CN109609265A - A kind of ready-mixed oil that green is precisely moderately processed - Google Patents
A kind of ready-mixed oil that green is precisely moderately processed Download PDFInfo
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- CN109609265A CN109609265A CN201811558663.XA CN201811558663A CN109609265A CN 109609265 A CN109609265 A CN 109609265A CN 201811558663 A CN201811558663 A CN 201811558663A CN 109609265 A CN109609265 A CN 109609265A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/003—Refining fats or fatty oils by enzymes or microorganisms, living or dead
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/02—Refining fats or fatty oils by chemical reaction
- C11B3/04—Refining fats or fatty oils by chemical reaction with acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/02—Refining fats or fatty oils by chemical reaction
- C11B3/06—Refining fats or fatty oils by chemical reaction with bases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
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- Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Fats And Perfumes (AREA)
- Edible Oils And Fats (AREA)
Abstract
The present invention relates to improved grease appropriateness processing method and thus obtained polished fat and ready-mixed oils.Grease appropriateness processing method of the invention includes grease appropriateness alkali refining method, and this method includes low-kappa number step and alkali treatment, and low-kappa number step includes by degumming medium, i.e. acid is added in the degummed oil that oil temperature is 70-90 DEG C, is uniformly mixed in 70-90 DEG C；Alkali treatment includes that lye is divided at least two parts, is sequentially added in the mixture obtained through low-kappa number with 5-15 minutes time intervals.The amount of each part lye is identical or different.Fat processing method of the invention further includes grease appropriateness processing method, and this method includes grease appropriateness alkali refining method as described herein.Micro-nutrient composition VE and sterol in grease can be retained to the maximum extent, and can effectively control TFA under the premise of guaranteeing oil quality and flavor up to standard using method of the invention.
Description
Technical field
The invention belongs to oil processing fields, are related to a kind of ready-mixed oil that green is precisely moderately processed.
Background technique
Nearly 35,000,000 tons of edible oil of China year consumption is vegetable oil consumption big country.Recently as grease processing technology
Innovation and refinement raising, conventional quality problems have been substantially achieved solution, but its security-hidden trouble still has.
, to guarantee that product quality is up to standard and stablizes, it is excessive often to there is norm controlling during vegetable oil refining in factory
Strictly, cause overprocessing phenomenon prominent, bring a variety of security-hidden troubles.For example, caustic dosage is big, and carclazyte additive amount is more, takes off
The problems such as smelly temperature is high, and deodorization time is long.Resource and energy waste are not only caused, environmental pollution is aggravated, increases grease loss, and
And most natural beneficial micronutrients in vegetable oil are had lost, and be inevitably generated new nuisance.According to beans
Oil production and quality investigational data show that VE refines average loss 15% in soya-bean oil, occurs mainly in deodorization section；Sterol refining is flat
Loss 16% is evenly distributed in alkali refining, decoloration and deodorization section；It simultaneously can also be in the TFA of deodorization section generation average 1.25%, sternly
The nutritional quality of soya-bean oil, and the food-safety problem that association is new are reduced again.Equally, other plant oil refinement, which also faces, equally asks
Topic.These overprocessing bring concomitant problems, can not be ignored caused by consumer health.
By taking trans-fatty acid as an example, the main harm of TFA is to increase the risk of coronary heart disease (CHD), and other side effects are main
Including interfering lipid metaboli, the disease risks such as type II diabetes, female acyesis and senile dementia can be can increase.To cooking oil market
Investigation discovery, wherein it is main to be no more than oil kind of 2%, the TFA content no more than 0.3% for TFA content in 90% cooking oil samples
For olive oil and part peanut oil.Soybean oil, rapeseed oil, sunflower oil, corn oil and ready-mixed oil TFA content in 0.5%-
Between 3%, peanut oil, olive oil, sesame oil and camellia oil TFA content between 0.02%-1.2%, these oil kind is protect
The excellent characteristic flavor on basis of oil product is held, high temperature deodorization link is not usually required to.American-European major country made laws to trans-fatty acid into
Row limitation, the trans-fatty acid that China is also increasingly paid close attention in grease is horizontal, and it is also imperative that future formulates limit standard.GB
It proposes that trans-fatty acid≤0.3% can be labeled as " 0 ", i.e. zero trans in prepackaged food in 28050-2011, and is using
Mark content of trans fatty acids need to be forced when hydrogenated oil and fat and (or) part hydrogenated oil and fat.The control of trans-fatty acid has become whole
A oils industry focus of attention controls the level of trans-fatty acid in vegetable oil as early as possible, accomplishes that source is checked on, very necessary.
Summary of the invention
First aspect present invention provides a kind of grease appropriateness alkali refining method, which comprises
(1) low-kappa number: degumming medium being added in the degummed oil that oil temperature is 70-90 DEG C, is uniformly mixed in 70-90 DEG C,
Wherein, the degumming medium is acid；
(2) alkali process: being divided at least two parts for lye, is sequentially added obtained by step (1) with 5-15 minutes time intervals
In mixture through low-kappa number, wherein the amount of each part lye is identical or different.
In one or more embodiments, degummed oil described in step (1) using aquation degumming, acidification degumming, and/or
Enzymatic degumming obtains.
In one or more embodiments, the aquation degumming includes carrying out degumming with 70-90 DEG C of hot water；More preferably
Ground, in the aquation degumming, the dosage of the 70-90 DEG C of hot water is the 1-5%, preferably 2-4% of oil weight, and the temperature of crude oil is
70-90 DEG C, mixing time is 15-60 minutes.
In one or more embodiments, in step (1), the acid is phosphoric acid and/or citric acid.
In one or more embodiments, in step (1), with degummed oil poidometer, the additional amount of the acid is 100-
600ppm。
In one or more embodiments, in step (1), keep oil temperature 70-90 DEG C maintenance 30-90 minutes.
In one or more embodiments, the concentration of lye is 5-10%, preferably 6-8% in step (2).
In one or more embodiments, excess alkali quantity is 0-15%, preferably 0-10% in step (2).
In one or more embodiments, the oil temperature in step (2) is 70-90 DEG C, preferably 80-85 DEG C.
In one or more embodiments, the lye is added in step (1) resulting mixture in two times or three times.
In one or more embodiments, after last time is added lye and carries out 5-15 minutes alkali refinings, taken off
Soap, washing and drying.
Second aspect of the present invention provides a kind of neutralization oil, to neutralize in terms of oily total amount, content of trans fatty acids in neutralization oil
≤ 0.2%；With the degummed oil lipid phase ratio before its appropriate alkali refining, neutralization oil contained vitamin E is the contained dimension of the degumming grease
97.5% or more of raw element E, preferably 98.0% or more, more preferable 98.5% or more；Sterol contained by neutralization oil is the degummed oil
96.5% or more of contained sterol, preferably 97.0% or more, more preferable 97.5% or more.
In one or more embodiments, the neutralization oil is using grease appropriateness alkali described in this paper any embodiment
Smelting method is prepared.
Third aspect present invention provides a kind of grease appropriateness processing method, including grease described in this paper any embodiment
Any one or more processes in appropriate alkali refining method and degumming, dewaxing, decoloration and deodorization.
In one or more embodiments, the degumming includes aquation degumming, acidification degumming and enzymatic degumming；It is preferred that
Ground, the degumming is aquation degumming, it is highly preferred that the aquation degumming includes the steps that carrying out degumming with 70-90 DEG C of hot water,
It is highly preferred that the dosage of the 70-90 DEG C of hot water is the 1-5%, preferably 2-4% of oil weight, the temperature of crude oil in the aquation degumming
Degree is 70-90 DEG C, and mixing time is 15-60 minutes.
In one or more embodiments, the decoloration is appropriateness decoloration；Preferred: bleaching temperature is 100-110 DEG C；
With elaeometer, decoloring medium dosage is 0.5-3.0%；Decoloring medium is selected from carclazyte, active carbon, attapulgite and its any group
It closes, the preferably combination of carclazyte and attapulgite, it is preferable that the weight ratio of carclazyte and attapulgite is 1:2-2:1.
In one or more embodiments, the deodorization is appropriateness deodorization；Preferred: deodorization temperature is 190-240 DEG C,
It is preferred that 200-230 DEG C；Deodorization time is 30-120 minutes, preferably 30-105 minutes；Vacuum degree is≤10 supports, preferably≤5 support；It adopts
It is deodorized with steam stripping, wherein stripping amount is 0.5-2%, preferably 1-1.5%.
In one or more embodiments, the dewaxing is appropriateness dewaxing；Preferably, the dewaxing includes by alkali refining institute
It must neutralize after oil is cooled to 10-15 DEG C, dewaxing agent is added, continues to be cooled to 5-8 DEG C after mixing evenly, after being kept for 6-15 hours
Dewaxed oil is obtained by filtration；Preferably, the dewaxing agent is perlite or diatomite, and dosage is the 0.5-1.5% of oil weight, excellent
Select 0.8-1.0%.
In one or more embodiments, the decoloration is to decolourize two stages, wherein the decoloration of first stage includes,
Make 100-110 DEG C of oil temperature of grease by the filter filled with decoloring medium, is decolourized in advance；The decoloration of second stage exists
It is carried out in bleacher, the time is 30 minutes to 1 hour, and the dosage of decoloring medium is the 0.5-1.5% of oil weight.
In one or more embodiments, the decoloration includes: to make 100-110 DEG C of oil temperature of grease by being filled with
The filter that have passed through the useless decolorizing earth once to decolourize, is decolourized in advance, obtains pre- bleached oil, then using oil weight 0.5-
The carclazyte and attapulgite that 1.5% weight ratio is 1:2-2:1 are in vacuum decoloration tank to described pre- decoloration oil decolorization 30 minutes
By 1 hour, filtering obtained bleached oil.
In one or more embodiments, the deodorization is deodorized using double tower deodorization technique, and double tower sequence is first
Packed tower after plate tower, wherein 195-215 DEG C, preferably 200-210 DEG C of bleached oil is delivered to plate tower, in≤10 supports, preferably≤
Steam stripping 30-100 minutes, preferably 60-90 minutes under conditions of the vacuum degree of 5 supports and the stripping amount of 0.5-2.0%；Then will
The oil flowed out through plate tower is warming up to 220-235 DEG C, preferably 225-230 DEG C, is delivered to packed tower, in≤10 supports, preferably≤5 support
Steam stripping 5-20 minutes, preferably 5-15 minutes under conditions of vacuum degree and the stripping amount of 0.5-2.0%.
In one or more embodiments, the grease appropriateness processing method includes:
Appropriate alkali refining neutralizes oil to obtain, comprising: (1) is added to acid in the degumming oil that oil temperature is 70-90 DEG C, mixing
Uniformly, in 70-90 DEG C placement 30-90 minutes；(2) lye is divided at least two parts, every part of amount is identical or different, with 5-15 points
The time interval of clock sequentially adds in step (1) resulting mixture, wherein last time carries out 5-15 points after lye is added again
The alkali refining of clock；
Optional appropriateness dewaxing, comprising: oil will be neutralized and be gradually cooled to 10-15 DEG C, be added 0.8%-1% perlite or
Diatomite stirs evenly, and continues to keep 8-15h after being cooled to 8 DEG C, filters to obtain dewaxed oil；
Appropriateness decoloration, comprising: pass through 100-110 DEG C of oil temperature of dewaxed oil filled with have passed through once decolourize useless and take off
The filter of color soil, is decolourized in advance, obtains pre- bleached oil, the use of the weight ratio of oil weight 0.5-1.5% is then 1:2-2:1's
Pre- decoloration oil decolorization 30 minutes to 1 hour to this in vacuum decoloration tank, filtering obtains bleached oil for carclazyte and attapulgite；
Appropriateness deodorization, comprising: be deodorized using double tower deodorization technique, double tower sequence is packed tower after first plate tower, wherein
195-215 DEG C, preferably 200-210 DEG C of bleached oil is delivered to plate tower, in≤10 supports, the vacuum degree of preferably≤5 support and 0.5-
Steam stripping 30-100 minutes, preferably 60-90 minutes under conditions of 2.0% stripping amount；Then the oil flowed out through plate tower is risen
Temperature is delivered to packed tower to 220-235 DEG C, preferably 225-230 DEG C, in≤10 supports, the vacuum degree of preferably≤5 support and 0.5-
Steam stripping 5-20 minutes, preferably 5-15 minutes under conditions of 2.0% stripping amount；It cools down and filters through packed tower outflow
Oil obtains appropriate processing oil；
Preferably, aquation degumming 10- is carried out to 70-90 DEG C of crude oil by using the 70-90 DEG C of hot water of oil weight 1-5%
60min obtains the degumming oil.
Fourth aspect present invention provides a kind of grease moderately processed, in the grease moderately processed, with appropriate processing
Grease total amount meter, content of trans fatty acids≤0.3%, △ AV (for 24 hours)≤0.04mgKOH/g, △ PV (9h)≤5.5mmol/kg,
△ R (6h)≤0.7, FFA≤0.1%, and compared with the crude oil for being used to prepare the appropriateness processing oil, it is tieed up in appropriateness processing grease
Raw element E weight is at least 90% of vitamin E weight in crude oil, and sterol weight is at least the 90% of crude oil sterol weight.
In one or more embodiments, the appropriateness processing oil is suitable using grease described in this paper any embodiment
Degree processing method is prepared.
In one or more embodiments, the grease moderately processed is selected from soybean oil, rapeseed oil, corn oil, certain herbaceous plants with big flowers
Flower seed oil and Rice oil.
Fifth aspect present invention provides a kind of ready-mixed oil, in the ready-mixed oil, in terms of ready-mixed oil total amount, the ready-mixed oil
Content of trans fatty acids≤0.3%, △ AV (for 24 hours)≤0.04mgKOH/g, △ PV (9h)≤5.5mmol/kg, △ R (6h)≤
0.7；Preferably, in the ready-mixed oil, in terms of ready-mixed oil total amount, saturated fatty acid content 8-16%, ω -6 unsaturated fat
Acid content is 40-47%, and omega-3 unsaturated fatty acid content is 4-13%.
In one or more embodiments, the ready-mixed oil contains in described at least two this paper any embodiments
Grease is processed with oil or appropriateness, and with its total weight, the ready-mixed oil contains at least 25% neutralization oil or described suitable
Degree processing grease.
In one or more embodiments, the ready-mixed oil also contain neutralization oil or the appropriateness processing grease it
Outer other greases, preferably one of peanut oil, sesame oil, linseed oil and safflower oil or a variety of；Preferably, the reconciliation
The oil also sesame oil of the linseed oil containing 0.1-5% and/or safflower oil, the peanut oil of 0.1-5%, and/or 0.1-5%.
In one or more embodiments, in terms of ready-mixed oil total amount, the ready-mixed oil contains at least 25%, at least
35%, at least 45%, at least 55%, at least 65%, at least 75%, at least 85%, at least 90%, at least 95% or 100%
Neutralization oil as claimed in claim 3 and/or appropriateness processing grease according to any one of claims 8.
In one or more embodiments, the ready-mixed oil is selected from:
(1) ready-mixed oil containing appropriateness processing rapeseed oil and appropriateness processing sunflower oil；Preferably, it in the ready-mixed oil, fits
The content of degree processing rapeseed oil is at least 15wt%, preferably 15-30wt%, and the content that appropriateness processes sunflower oil is at least
10wt%, preferably 10-40wt%；Preferably, with the total restatement of ready-mixed oil, the appropriateness processing rapeseed oil and appropriateness processing sunflower seeds
The sum of content of oil is at least 25%；
(2) ready-mixed oil containing appropriate soybean processing oil, appropriateness processing corn oil and appropriateness processing Rice oil；Preferably,
In the ready-mixed oil, the content of appropriate soybean processing oil is at least 15wt%, preferably 15-60wt%, and appropriateness processes containing for corn oil
Amount is at least 5wt%, preferably 5-20wt%, and the content that appropriateness processes Rice oil is at least 5wt%, preferably 5-15wt%；It is preferred that
Ground, with the total restatement of ready-mixed oil, the sum of the appropriateness soybean processing oil, appropriateness processing corn oil and content of appropriateness processing Rice oil
At least 35%；
(3) ready-mixed oil containing appropriate soybean processing oil and appropriateness processing rapeseed oil, it is preferable that with the total restatement of ready-mixed oil,
The ready-mixed oil contains the appropriate soybean processing oil of 15-60% and the appropriateness processing rapeseed oil of 15-30%；It is highly preferred that reconcile
The sum of the content of the total restatement of oil, the appropriateness soybean processing oil and appropriateness processing rapeseed oil is at least 45%；
(4) containing appropriate soybean processing oil, appropriateness processing rapeseed oil, appropriateness processing corn oil and appropriateness processing sunflower oil
Ready-mixed oil, it is preferable that with the total restatement of ready-mixed oil, which contains appropriate soybean processing oil, the 15-30% of 15-60%
The appropriateness processing sunflower oil of appropriateness processing rapeseed oil, the appropriateness processing corn oil of 1-20% and 10-40%；It is highly preferred that with
The total restatement of ready-mixed oil, the ready-mixed oil contain appropriateness the processing rapeseed oil, 5- of the appropriate soybean processing oil of 15-60%, 15-30%
10% appropriateness processing corn oil, the appropriateness of 10-40% process sunflower oil；It is highly preferred that with the total restatement of ready-mixed oil, it is described suitable
The sum of soybean processing oil, appropriateness processing rapeseed oil, appropriateness processing corn oil and content of appropriateness processing sunflower oil is spent to be at least
80%；With
(5) containing appropriate soybean processing oil, appropriateness processing rapeseed oil, appropriateness processing corn oil, appropriateness processing sunflower oil
With the ready-mixed oil of appropriateness processing Rice oil；Preferably, with the total restatement of ready-mixed oil, which contains the appropriateness processing of 15-60%
Soybean oil, the appropriate processing rapeseed oil of 15-30%, the appropriateness processing corn oil of 1-20%, the appropriate of 10-40% process sunflower seeds
The appropriateness processing Rice oil of oil and 1-15%；It is highly preferred that with the total restatement of ready-mixed oil, which contains the appropriateness of 15-60%
The appropriateness processing certain herbaceous plants with big flowers of soybean processing oil, the appropriateness processing rapeseed oil of 15-30%, the appropriateness processing corn oil of 5-10%, 10-40%
The appropriateness processing Rice oil of flower seed oil and 5-15%；Preferably, with the total restatement of ready-mixed oil, the appropriateness soybean processing oil, appropriateness
The sum of rapeseed oil, appropriateness processing corn oil, appropriateness processing sunflower oil and content of appropriateness processing Rice oil is processed to be at least
85%, more preferably at least 90%.
Specific embodiment
It should be understood that in the scope of the invention, above-mentioned each technical characteristic of the invention and in below (eg embodiment) specifically
It can be combined with each other between each technical characteristic of description, to constitute preferred technical solution.
Itself natural VE and sterol rich in vegetable oil, if it is micro to retain these to the maximum extent
Nutritional ingredient controls the micro generation for endangering ingredient, then can General Promotion oil quality.To retain these micro battalion to greatest extent
It forms point, the present invention proposes a kind of fat processing method, can be under the premise of guaranteeing oil quality and flavor up to standard, to greatest extent
Ground retains micro-nutrient composition VE and sterol (the two content >=90%) in grease, and can effectively control TFA (zero is anti-
Formula ,≤0.3%).Therefore, fat processing method of the invention is a kind of accurate appropriate processing method, it is preferable that this paper grease adds
Various processes involved in work method, such as alkali refining, dewaxing, decoloration, deodorization are also all appropriate processes.Herein, " precisely suitable
Degree " or " appropriateness " mean that nutritional ingredient, removal hazardous material can be retained to greatest extent and avoid its formation.Herein, the nutrition
Ingredient includes but is not limited to VE and sterol.
Accurate appropriate processing method of the invention is suitable for the appropriateness processing of various greases well known in the art, including but not
It is limited to come since leaching or squeezing process is by the grease that extracts in vegetable oil material or animal, such as soybean oil, rapeseed oil, sunflower seeds
The vegetable oil such as oil, coconut oil, peanut oil, safflower seed oil, cottonseed oil, Rice oil, corn oil, olive oil, hydrogenated oil and fat, palm oil
Or mixtures thereof rouge and animal fat.It should be understood that the present invention mentions " oil ", including oil and/or rouge, such as degummed oil neutralizes oil, de-
Wax oil, bleached oil and refined oil etc. include oil and/or rouge.
Grease appropriateness processing method of the invention is a kind of grease appropriateness alkali refining method.In certain embodiments, this hair
Bright grease appropriateness alkali refining method includes: (1) low-kappa number: degumming medium is added in the degummed oil that oil temperature is 70-90 DEG C,
In, the degumming medium is acid；(2) alkali process: lye is divided at least two parts, is sequentially added with 5-15 minutes time intervals
In mixture through low-kappa number obtained by step (1), wherein the amount of each part lye is identical or different.
Herein, in low-kappa number step using to acid refer to the acid used in conventional degumming step, including but
It is not limited to phosphoric acid, citric acid and its mixture.In general, the additional amount of the acid is 100-600ppm with degummed oil poidometer.It is added
After the acid, oil temperature can be kept at 70-90 DEG C, and placed 30-90 minutes, carry out acidification.The concentration of phosphate aqueous solution is usual
For 80-85%, the concentration of aqueous citric acid solution is usually 30-50%.
Alkali process is carried out after acidified processing, and lye is added in the grease containing the acid and carries out alkali refining.Lye can be with
It is the lye for alkali refining of this field routine, such as sodium hydroxide solution and/or potassium hydroxide solution.The concentration of lye is not higher than
15%, it can be in the range of 5-10%, preferably 5-7.5%.When alkali refining, excess alkali quantity controls the model in 0-15%, preferably 0-10%
In enclosing.Conventional method can be used and calculate caustic dosage, can such as calculate according to the following formula: caustic dosage=7.13 × 10-4×MOil×
AV × (1+ excess alkali quantity), wherein MOilRefer to that oil weight, AV refer to acid value.
In the present case, term " excess alkali quantity " is referred to due to being reacted with sweet three ester etc. in practical alkali refining process alkali, meeting
Alkali numbers more more than the theoretical alkali number for neutralizing free fatty acid in grease are added.
In the present case, term " trans-fatty acid " refers to a kind of unsaturated fatty acid, have in chemical structure one or
Multiple " non-conjugated trans double bonds ", " content of trans fatty acids " refer to trans-fatty acid in vegetable oil/fat or oil composition rouge
Weight ratio in fat acid composition.
In the present case, term " △ AV " refers to acid value changing value, the usually rising value of acid value；" △ AV (for 24 hours) " refers to
Be the acid value changing value being prepared by the following: weigh 50.00g oil sample (diameter into 100ml dry, clean beaker
5cm), then with 100ul microsyringe disperse to inject 0.500g distilled water thereto, 4cm long Type B is added, polytetrafluoro magnetic force stirs
Son is mixed, after stirring 2min with 500 turns of mixing speed per minute, takes out stirrer, it is small to be placed in heating 24 in 105 DEG C of insulating boxs
When, sample taking-up detects its acid value, the average value that testing result takes double parallel to detect after being cooled to room temperature.With the sample before heating
Comparison, calculates acid value rising value (△ AV).
In the present case, term " △ PV " refers to peroxide value changing value, usually peroxide value rising value；"△PV
(9h) " refers to the peroxide value changing value being prepared by the following: 100g oil sample is added into 250ml iodine value bottle, it is open
It is put into 90 DEG C of baking ovens, after 9 hours, takes out the cooling sample comparison detected before its peroxide value, with heating after twenty minutes, meter
It calculates peroxide value rising value (△ PV).
In the present case, term " △ R " refers to color changing value, usually color rising value；" △ R (6h) " refers to leading to
It crosses the color changing value of following methods acquisition: 100g oil sample being added into 250ml iodine value bottle, uncaps and is placed in 105 DEG C of baking ovens, 6
After hour, color is detected after taking out cooling 30 minutes.It is compared with the sample before heating, calculates color rising value (△ R).
In the present invention, polar compound refers to during frying, and edible oil is sent out because continuously repeating use at high temperature
The reactions such as oxidation, polymerization, cracking and hydrolysis have been given birth to, the compound containing carbon-based, carboxyl, ketone group, aldehyde radical etc. is generated, due to these changes
It is higher than triglyceride polarity to close object, therefore referred to as polar compound." △ polar compound " refers to polar compound rising value.
In currently preferred appropriateness alkali refining method, lye point is added at least twice with 5-15 minutes time intervals.Example
Such as, lye can be divided into two parts or two parts or more, the amount of every part of lye may be the same or different, then between 5-15 minutes time
Every in the grease for sequentially adding acidified processing, carrying out each 5-15 minutes of alkali refining.For example, in certain embodiments, it will
Lye is divided into two parts, and two parts of weight ratio can be in the range of 70:30 to 30:70, then with 5-15 minutes time intervals
Sequentially add two parts of lye.When the amount difference of two parts of lye, its addition sequence is had no specifically limited.For example, can first be added
Then 70% lye adds remaining 30% lye；Or can first be added 30% lye, then add remaining
70% lye.In certain embodiments, lye is divided into three parts or three parts or more, successively with 5-15 minutes time intervals
It is added；Similar, the amount of every part of lye may be the same or different, for every part of lye addition sequence also without specifically limited.Every part
The alkali refining time of lye can be identical, can also be different, usually in the range of 5-15 minutes.For example, in certain embodiments, it will
Lye is divided to two parts of additions, and the alkali refining time of every part of lye controls in the range of 3:1 to 1:3.Alkali refining total time is typically not greater than
60 minutes, such as 15-60 minutes, preferably at 15-30 minutes in the range of.Oil temperature can be excellent in the range of 70-90 DEG C when alkali refining
It is selected in the range of 80-85 DEG C.
In the present invention, " lye used in alkali refining is divided at least two parts, the amount of each part lye is identical or different, the alkali
Liquid was added in step (1) resulting mixture with 5-15 minutes time intervals ", refer to lye used in alkali refining is divided into it is more
Part, such as 2 parts or 3 parts, the step of sequentially adding in step (1) resulting mixture or having joined lye (1), is resulting mixed
It closes in object；Specifically, the 1st part of lye is added in step (1) resulting mixture, alkali refining 5- when lye used is divided into 2 parts
15 minutes, then this is added in the 2nd part of lye and is had been subjected in the mixture of alkali refining alkali refining 5-15 minutes；When lye used is divided into 3 parts
When, the 1st part of lye is added in step (1) resulting mixture, and alkali refining 5-15 minutes, then this is added in the 2nd part of lye and is had been subjected to
Alkali refining 5-15 minutes in the mixture of alkali refining, alkali refining 5-15 in the mixture for having been subjected to 2 alkali refinings is being added in the 3rd part of lye
Minute.When lye used is divided into more parts, alkali refining mode is similar with preceding method.
After last time is added lye and carries out 5-15 minute alkali refinings, it can carry out taking off soap, washing and drying (dehydration).It can
De- soap, washing and drying are carried out using conventional method.For example, carrying out de- soap by centrifugation.Water temperature for washing can be
In the range of 70-90 DEG C, water consumption can be the 1-5% of oil weight.Can centrifugal dehydration, then slough residual water into vacuum tank vacuum,
Finally obtain neutralization oil.
Herein, it can be for the degummed oil of alkali refining and obtained using aquation degumming, acidification degumming, and/or enzymatic degumming
Degummed oil, the degummed oil preferably obtained using aquation degumming.In certain embodiments, aquation degumming of the invention includes
Degumming is carried out with 70-90 DEG C, preferably 70-85 DEG C of hot water.When aquation degumming, the dosage of hot water is usually the 1-5%, excellent of oil weight
Select 2-4%；The temperature of crude oil is usually 70-90 DEG C, preferably 70-85 DEG C；Mixing time is usually 15-60 minutes.Preferred
In embodiment, aquation degumming of the invention includes 70-85 DEG C of the hot water and 70-85 for mixing oil weight 1-5%, preferably 2-4%
DEG C crude oil, stir 15-60 minutes, be then centrifuged for separating, obtain degumming oil.
A kind of neutralization oil can get using appropriate alkali refining method of the invention, with the degummed oil phase before its appropriate alkali refining
Than neutralization oil contained vitamin E is 97.5% or more, preferably 98.0% or more of degummed oil contained vitamin E, more preferably
98.5% or more；Sterol contained by neutralization oil is 96.5% or more, preferably 97.0% or more of sterol contained by the degummed oil, more excellent
Select 97.5% or more.
In certain embodiments, grease appropriateness processing method of the invention include appropriate alkali refining method as described herein with
And any one or more processes in degumming, dewaxing, decoloration and deodorization.
In the present invention, degumming may include aquation degumming, acidification degumming and enzymatic degumming.Preferably, degumming is aquation degumming.
It is highly preferred that aquation degumming includes the steps that carrying out degumming with 70-90 DEG C of hot water；Preferably, in aquation degumming, the 70-
The dosage of 90 DEG C of hot water is the 1-5%, preferably 2-4% of oil weight, and the temperature of crude oil is 70-90 DEG C, and mixing time is 15-60 points
Clock.It after hot water treatment, can be centrifugated, obtain degummed oil.Therefore, in certain embodiments, grease of the invention is suitable
Spending processing method includes degumming and alkali refining step, wherein degumming includes mixing oil weight 70-90 DEG C of 1-5%, preferably 2-4%, excellent
70-85 DEG C of hot water and 70-90 DEG C, preferably 70-85 DEG C of crude oil are selected, is stirred 15-60 minutes, is then centrifuged for separating, obtains water
Change degummed oil；Alkali refining includes that will mix the degummed oil that degumming acid is 70-90 DEG C with oil temperature, places, is acidified in 70-90 DEG C
Processing, lye used in alkali refining is then divided at least two parts, every part of amount is identical or different, with 5-15 minutes time intervals according to
Secondary addition has carried out in the degummed oil of acidification.More detailed degumming and alkali-refining process can be such as any embodiment institutes above
It states.
In the present invention, decoloration usually 100-110 DEG C, preferably 100-105 DEG C at a temperature of carry out.Decoloring medium include but
Be not limited in carclazyte, active carbon and attapulgite any one or it is any a variety of.In certain preferred aspects, this hair
The bright combination using carclazyte and attapulgite, it is preferable that the weight ratio of the two is 1:2-2:1.In general, decoloration is situated between with elaeometer
Matter dosage is 0.5-3.0%, preferably 1.0-2.0%.
In certain embodiments, it decolourizes for two stages decoloration, wherein the decoloration of first stage includes making oil temperature
100-110 DEG C of grease is decolourized in advance by the filter filled with decoloring medium；The decoloration of second stage is in bleacher
It carries out, the time is 30 minutes to 1 hour, and the dosage of decoloring medium is the 0.5-1.5% of oil weight.In preferred embodiments,
The decoloration includes: that 100-110 DEG C of oil temperature, preferably 100-105 DEG C of grease is made once to decolourize by being filled with have passed through
The filter of useless decolorizing earth, is decolourized in advance, obtains pre- bleached oil, then added in the pre- bleached oil oil weigh 0.5-1.5%,
It is preferred that the weight ratio of 1.0-1.2% is the carclazyte and attapulgite of 1:2-2:1, decolourize in vacuum decoloration tank 30 minutes small to 1
When, filtering obtains bleached oil.It is decolourized using two stages, waste (have passed through the decolorizing earth once to decolourize) utilization can be carried out, and
The dosage of decoloring medium when reducing two-stage decoloration.
In preferred embodiments, it when the paraffin content for neutralizing oil is higher, can first dewax after alkali refining, then again
It decolourizes.Preferably, it dewaxes as appropriate dewaxing.In general, dewaxing includes that the neutralization oil that alkali refining obtains is cooled to 10-15 DEG C,
Then dewaxing agent is added, continues to be cooled to 5-8 DEG C after mixing evenly, dewaxed oil is obtained by filtration after being kept for 6-15 hours.Properly
Dewaxing agent include but is not limited to perlite, diatomite and a combination thereof, total dosage of dewaxing agent is the 0.5- of oil weight
1.5%, preferably 0.8-1.0%.
Herein, deodorization temperature is 190-240 DEG C, preferably 200-230 DEG C；Deodorization time is 30-120 minutes, preferably 30-
105 minutes；Vacuum degree is≤10 supports, preferably≤5 support.In certain embodiments, it is deodorized using steam stripping, wherein
Stripping amount is 0.5-2%, preferably 1-1.5%.
In preferred embodiments, it being deodorized using double tower deodorization technique, double tower sequence is packed tower after first plate tower,
Wherein, 195-215 DEG C, preferably 200-210 DEG C of bleached oil is delivered to plate tower ,≤10 supports, the vacuum degree of preferably≤5 support and
Steam stripping 30-100 minutes, preferably 60-90 minutes under conditions of the stripping amount of 0.5-2.0%；Then it will flow out through plate tower
Oil is warming up to 220-235 DEG C, preferably 225-230 DEG C, is delivered to packed tower, in≤10 supports, the vacuum degree of preferably≤5 support and 0.5-
Steam stripping 5-20 minutes, preferably 5-15 minutes under conditions of 2.0% stripping amount.
Therefore, in certain embodiments, the grease appropriateness processing method of this paper includes:
Appropriate alkali refining, comprising: (1) degumming acid is added in degumming oil that oil temperature be 70-90 DEG C, is uniformly mixed,
In 70-90 DEG C placement 30-90 minutes；(2) lye used in alkali refining is divided at least two parts, every part of amount is identical or different, with 5-
15 minutes time intervals sequentially add in step (1) resulting mixture；(3) last time is added lye and carries out 5-15 points
After the alkali refining of clock, soap, washing and drying are taken off, to obtain neutralization oil；
Optional appropriateness dewaxing, comprising: oil will be neutralized and be gradually cooled to 10-15 DEG C, be added 0.8%-1% perlite or
Diatomite stirs evenly, and continues to be kept for 6-15 hours after being cooled to 8 DEG C, filters to obtain dewaxed oil；
Appropriateness decoloration, comprising: pass through 100-110 DEG C of oil temperature of dewaxed oil filled with have passed through once decolourize useless and take off
The filter of color soil, is decolourized in advance, obtains pre- bleached oil, and the weight of oil weight 0.5-1.5% is then added in the pre- bleached oil
Amount is decolourized 30 minutes to 1 hour in vacuum decoloration tank than the carclazyte and attapulgite that are 1:2-2:1, and filtering obtains bleached oil；
Appropriateness deodorization, comprising: be deodorized using double tower deodorization technique, double tower sequence is packed tower after first plate tower, wherein
195-215 DEG C, preferably 200-210 DEG C of bleached oil is delivered to plate tower, in≤10 supports, the vacuum degree of preferably≤5 support and 0.5-
Steam stripping 30-100 minutes, preferably 60-90 minutes under conditions of 2.0% stripping amount；Then the oil flowed out through plate tower is risen
Temperature is delivered to packed tower to 220-235 DEG C, preferably 225-230 DEG C, in≤10 supports, the vacuum degree of preferably≤5 support and 0.5-
Steam stripping 5-20 minutes, preferably 5-15 minutes under conditions of 2.0% stripping amount；It cools down and filters through packed tower outflow
Oil obtains refined oil.
In preferred embodiments, the degumming oil is obtained using aquation degumming, which includes: by hair
Oil is heated to 70-85 DEG C；The hot water that oil weight 1-5% is added is sufficiently mixed, aquation 10-60min；It is de- that aquation is obtained with centrifuge separation
Glue oil.
It herein further include a kind of grease (refined oil) moderately processed, with the crude oil phase for being used to prepare appropriateness processing grease
Than it is at least 90% of vitamin E weight in crude oil that this, which moderately processes vitamin E weight in grease, and sterol weight is crude oil steroid
At least the 90% of alcohol weight.It is soybean oil that the example of appropriateness processing grease provided herein is including but not limited to moderately processed, suitable
Spend rapeseed oil, the corn oil moderately processed, the sunflower oil moderately processed and the Rice oil moderately processed of processing.Preferably,
It is provided herein appropriateness processing grease TFA content≤0.3%, preferably≤0.28%, and meet △ AV (for 24 hours)≤
0.04mgKOH/g, △ PV (9h)≤5.5mmol/kg, △ R (6h)≤0.7 and FFA≤0.1%.In certain embodiments,
The present invention provides a kind of soybean oil moderately processed, and TFA content≤0.3% preferably≤0.28%, and meets △ AV (for 24 hours)
≤ 0.03mgKOH/g, △ PV (9h)≤5.5mmol/kg, △ R (6h)≤0.5, FFA≤0.1%.In certain embodiments,
The present invention provides a kind of rapeseed oil moderately processed, and TFA content≤0.3% preferably≤0.28%, and meets △ AV (for 24 hours)
≤ 0.02mgKOH/g, △ PV (9h)≤4mmol/kg, △ R (6h)≤0.7, FFA≤0.1%.In certain embodiments, originally
Invention provides a kind of corn oil moderately processed, TFA content≤0.3%, preferably≤0.28%, and meet △ AV (for 24 hours)≤
0.03mgKOH/g, △ PV (9h)≤3mmol/kg, △ R (6h)≤0.5, FFA≤0.1%.In certain embodiments, this hair
It is bright that a kind of sunflower oil moderately processed is provided, TFA content≤0.3%, preferably≤0.28%, and meet △ AV (for 24 hours)≤
0.03mgKOH/g, △ PV (9h)≤4mmol/kg, △ R (6h)≤0.7, FFA≤0.1%.In certain embodiments, this hair
It is bright that a kind of Rice oil moderately processed is provided, TFA content≤0.3%, preferably≤0.28%, and meet △ AV (for 24 hours)≤
0.04mgKOH/g, △ PV (9h)≤3.5mmol/kg, △ R (6h)≤0.5, FFA≤0.1%.
In addition, appropriateness processing oil flavor provided herein is light, free from extraneous odour, including without hot carclazyte taste, herbaceous taste, beans raw meat
The peculiar smell such as taste, tart flavour, activated flavour, dish fishy smell.Preferably, the appropriateness processing grease of this paper is using described in this paper any embodiment
Grease appropriateness processing method be prepared.
Appropriateness processing oil and fat preparation ready-mixed oil of the invention can be used.In terms of ready-mixed oil total amount, ready-mixed oil of the invention
Content of trans fatty acids≤0.3%, △ AV (for 24 hours)≤0.04mgKOH/g, △ PV (9h)≤5.5mmol/kg, △ R (6h)≤
0.7。
In certain embodiments, ready-mixed oil of the invention contain the soybean oil as described herein moderately processed, appropriateness plus
Any one in the rapeseed oil of work, the corn oil moderately processed, the sunflower oil moderately processed and the Rice oil moderately processed
Or it is a variety of.For the performance needed for obtaining, (such as slow down the upper of acid value during frying, color and polar compound as fried performance
Rise the oil absorbency of trend and food), can in suitable control ready-mixed oil present invention appropriateness appropriateness processing grease content.In general,
In terms of the ready-mixed oil weight 100%, the ready-mixed oil contains at least 25%, at least 35%, at least 45%, preferably at least
55%, preferably at least 65%, preferably at least 70%, preferably at least 85%, preferably at least 90%, more preferably at least 95%, it is more excellent
Select 100% aforementioned appropriateness processing grease.When using different appropriateness processing greases of the invention or combinations thereof, this in ready-mixed oil
The minimum content of invention appropriateness processing grease will be different, this can use means known in the art by those skilled in the art,
Method as described in the present application is easy to determine.
Preferably, ready-mixed oil of the invention contains appropriate soybean processing oil, moderately processing rapeseed oil, appropriateness as described herein
Process at least two in corn oil, appropriateness processing sunflower oil and appropriateness processing Rice oil or at least three kinds.For example, of the invention
Ready-mixed oil contain appropriateness processing rapeseed oil of the invention and appropriateness processing sunflower oil.Wherein, in ready-mixed oil, appropriateness processes dish
The content of seed oil is at least 15wt%, and the content that appropriateness processes sunflower oil is at least 10wt%.In certain embodiments, should
Ready-mixed oil contains the appropriateness processing rapeseed oil of 15-30wt% and the appropriateness processing sunflower oil of 10-40wt%.In certain embodiment party
Moderately processed in case, described in the ready-mixed oil rapeseed oil and appropriateness processing sunflower oil total content be the ready-mixed oil gross weight extremely
Few 25wt%.
In certain embodiments, ready-mixed oil of the invention contains appropriate soybean processing oil of the invention, appropriateness processing jade
Rice bran oil and appropriateness processing Rice oil, wherein in the ready-mixed oil, the content of appropriate soybean processing oil is at least 15wt%, and appropriateness adds
The content of work corn oil is at least 5wt%, and the content that appropriateness processes Rice oil is at least 5wt%.In certain embodiments, should
The content of appropriate soybean processing oil is 15-60wt% in ready-mixed oil, and the content that appropriateness processes corn oil is 5-20wt%, and appropriateness adds
The content of work Rice oil is 5-15wt%.In certain embodiments, the oil of appropriateness soybean processing described in the ready-mixed oil, appropriateness add
Work corn oil and the total content of appropriateness processing Rice oil are at least 35wt% of the ready-mixed oil gross weight, such as at least 45wt% or at least
70wt%.
In certain embodiments, ready-mixed oil of the invention contains appropriate soybean processing oil, moderately processing as described herein
Rapeseed oil, appropriateness processing corn oil, appropriateness processing sunflower oil and appropriateness processing Rice oil.Preferably, with the total restatement of ready-mixed oil,
The appropriateness of appropriate soybean processing oil, 15-30% that the ready-mixed oil contains 15-60% processes the appropriateness processing of rapeseed oil, 1-20%
The appropriateness processing Rice oil of corn oil, the appropriateness processing sunflower oil of 10-40% and 1-15%.It is highly preferred that total with ready-mixed oil
Restatement, the ready-mixed oil contain the appropriateness of the appropriate soybean processing oil of 15-60%, the appropriateness processing rapeseed oil of 15-30%, 5-10%
Process the appropriateness processing Rice oil of corn oil, the appropriateness processing sunflower oil of 10-40% and 5-15%.Preferably, in certain realities
It applies in scheme, the oil of appropriateness soybean processing described in the ready-mixed oil, appropriateness processing rapeseed oil, appropriateness processing corn oil, appropriateness processing
Sunflower oil and the total content of appropriateness processing Rice oil are at least 85wt% of the ready-mixed oil gross weight, such as at least 90wt% or at least
95wt%.
Also containing other greases in addition to appropriate processing oil as described herein in ready-mixed oil of the invention, including but not
It is limited to one of peanut oil, corn oil, sesame oil and safflower oil or a variety of.In certain embodiments, reconciliation of the invention
The sesame oil of linseed oil of the oil containing 0.1-5% and/or safflower oil, the peanut oil of 0.1-5% and 0.1-5%.Preferably, contained
The other greases having are also the grease moderately processed, and such as can be other appropriateness appropriateness processing greases well known in the art.
In preferred embodiments, ready-mixed oil of the invention contains appropriate soybean processing oil, the 15-30% of 15-60%
Appropriateness processing rapeseed oil, the appropriateness processing corn oil of 1-20%, the appropriateness processing sunflower oil of 10-40% and 1-15% it is suitable
The linseed oil and/or safflower oil of degree processing Rice oil and 0.1-5%, the peanut oil of 0.1-5% and the sesame oil of 0.1-5%.
In a more preferred embodiment, ready-mixed oil of the invention contains the appropriateness of the appropriate soybean processing oil of 15-60%, 15-30%
Process the appropriate appropriateness processing for processing sunflower oil and 5-15% of rapeseed oil, the appropriateness processing corn oil of 5-10%, 10-40%
The linseed oil and/or safflower oil of Rice oil and 0.1-5%, the peanut oil of 0.1-5% and the sesame oil of 0.1-5%.
Preferably, in ready-mixed oil as described herein, with ready-mixed oil total weight, saturated fatty acid content 8-16%,
ω -6 unsaturated fatty acid content is 40-47%, and omega-3 unsaturated fatty acid content is 4-13%.
Ready-mixed oil as described herein has good frying performance, fries index △ AV, △ R, △ polar compound and suction
Oil cut rate can reduce 10-30%.
Each oil kind for being used to prepare ready-mixed oil can be sequentially added material-compound tank by its dosage, maintain temperature at 20 DEG C -40 DEG C,
20-30min is mixed slowly, the filling blended oil finished product up to this paper is filtered.
The present invention has the advantage that compared with prior art
1, single soybean oil trans-fatty acid is controlled below 0.5% by process optimization in 102517142 B of CN
(U.S. FDA zero trans labeled standards), and more stringent zero trans (≤0.3%, the GB of heavy wool kind can be achieved in the present invention
28050-2011)。
2, VE, sterol reservation >=103451016 A of 90%:CN are referred to the optimization of deodorization workshop section to rapeseed oil alpha-tocopherol
The effect of reservation, but only refer to alpha-tocopherol reserved 172ppm or more, retention rate is not referred to, and does not refer to sterol in vegetable seed
Loss and safeguard measure during oil refinement are also deodorized using low temperature although being deodorized section in 102293264 B of CN, it is double
Tower temperature degree is unified, and VE loss late is 11-16%, and trans-fatty acid 0.5-1% does not refer to sterol retention rate.And it is of the invention
VE and sterol reservation can reach 90% or more.
3, excellent flavor, free from extraneous odour: existing factory's deodorization equipment is mostly packed tower-plate tower comprehensive tower, although in high temperature item
Most small molecule group compounds of aldehydes and ketones can be removed under part, but are actually oiled in plate tower under hot conditions and can be decomposed generation
Part small molecule group compounds of aldehydes and ketones causes deleterious effect to refined oil flavor, causes with beany flavor, herbaceous taste, dish raw meat
The bad flavor such as taste.But ready-mixed oil of the invention, the peculiar smell such as free from beany flavor, herbaceous taste, dish fishy smell, activated flavour, hot carclazyte taste.
4, it fries functional: acid value, the ascendant trend and food of color and polar compound during frying can be slowed down
The oil absorbency of object.The oil absorbency of frying index △ AV, △ R, △ polar compound and food can reduce 10-30%.
The present invention will be hereafter illustrated in a manner of specific embodiment.It should be understood that these embodiments are only illustrative, and
Not intended to limit the scope of the present invention.In following embodiments of the invention, detection method difference:
Acid value: the measurement of acid value in 5009.229 national food safety standard food of GB；
Peroxide value: the measurement of peroxide value in 5009.227 national food safety standard food of GB；
Color: the analysis method of GB/T 5009.37-2003 edible vegetable oil sanitary standard；
Polar substances content: the measurement of polar compound (PC) in 5009.202 national food safety standard edible oil of GB；
Oil absorbency: fatty measurement in GB 5009.6-2016 national food safety standard food；
VE:GB/T 26635-2011 animal and plant fat tocopherol and tocotrienols assay high performance liquid chromatography；
Sterol: the measurement gas chromatography of GB/T 25223-2010 animal and plant fat sterol composition and sterol total amount.
△ AV (for 24 hours): 50.00g oil sample is weighed into 100ml dry, clean beaker (diameter 5cm), then micro- with 100ul
Amount sample injector disperses to inject 0.500g distilled water thereto, 4cm magnetic stir bar is added, with 500 turns of mixing speed per minute
It after stirring 2min, is placed in 105 DEG C of insulating boxs and heats 24 hours, sample taking-up detects its acid value after being cooled to room temperature.And with add
Sample comparison before heat, calculates acid value rising value (△ AV).
△ PV (9h): 100g oil sample being added into 250ml iodine value bottle, and opening is put into 90 DEG C of baking ovens, after 9 hours, takes out
To detect PV after cooling down.And compared with the sample before heating, calculate PV rising value (△ PV).
△ R (6h): 100g oil sample is added into 250ml iodine value bottle, uncaps and is placed in 105 DEG C of baking ovens, after 6 hours, take out
To detect color after cooling down.And compared with the sample before processing, calculate color rising value (△ R).
Unmentioned other methods and material therefor in embodiment are the method and material of this field routine.
Embodiment one
The following table 1-10 shows the processing step and correlated results of embodiment 1-25 and comparative example 1-27, and what is be directed to is de-
Glue-alkali refining, decoloration and the technique of deodorization are as follows:
Degumming: heating crude oil is added hot water and is sufficiently mixed, carries out a period of time, and centrifuge separation obtains degumming oil.Tool
Body de-alkali additives are as shown in Tables 1 and 2.
Alkali refining: degumming oil temperature is heated to certain temperature, and phosphoric acid/lemon of certain content is added through high speed shear
Acid, a period of time is acidified in souring tank, and oil temperature keeps, then carries out alkali refining, the alkali of certain concentration of lye, certain excess alkali is added
Liquid carries out alkali refining, is then centrifuged de- soap, and hot water washing is added, and the laggard vacuum tank vacuum of centrifugal dehydration sloughs residual water
Oil must be neutralized afterwards.Specific caustic refining conditions are as shown in Tables 3 and 4.
Dewaxing: addition dewaxing agent when oil is gradually cooled to certain temperature will be neutralized and stirred evenly, continue to be cooled to certain
A period of time is kept after temperature, obtains dewaxed oil through plate-frame filtering after.Specific Dewaxing conditions are as shown in Table 5 and 6.
Decoloration: it neutralizes dewaxed oil and is heated to certain temperature, first pass through to fill up and have passed through the useless decolorizing earth once to decolourize
Filter is decolourized in advance, then in vacuum after a certain proportion of mixing decolorizing earth (carclazyte/attapulgite) mixing of addition oil weight
Decolourize certain time in bleacher, filters to obtain bleached oil.Specific decolorization condition is as shown in Table 7 and 8.
Deodorization: double tower sequence is packed tower after first plate tower, first by bleached oil through heat exchanger with packed tower is fuel-displaced directly changes
Heat is to certain temperature, and into plate tower, 0.5-2% direct steam strips certain time, and vacuum degree 0-10 support pumps after the outflow of plate tower
Enter heater and be warming up to certain temperature, flows into packed tower, 0.5-2% direct steam strips certain time, after packed tower flows out
It is cooling gradually to refined filtration is carried out after 30-45 DEG C through exchanger heat exchange and cooling water, obtain refined oil.Specific deodorization condition such as table 9
Shown in 10.
Table 1: the degumming of embodiment
Table 2: the degumming of comparative example
Table 3: the alkali refining of embodiment
Note: A refers to that lye is added in two portions, every time plus 50%；B refers to that lye is added in two portions, and adds up lye for the first time
70%, second plus remaining 30%；C refers to that lye is added in two portions, and adds up the 30% of lye for the first time, adds for the second time remaining
70%；D refers to that lye is divided into three parts, in three times plus.
Table 4: the alkali refining of comparative example
Note: A refers to that lye is added in two portions, every time plus 50%.
Table 5: the dewaxing of embodiment
| Embodiment | Dewaxing temperature (DEG C) | Dewaxing agent | Auxiliary agent (%) | It dewaxes time (hour) |
| 1 | 10 | Perlite | 1.0 | 10 |
| 2 | 10 | Perlite | 1.0 | 10 |
| 3 | 10 | Perlite | 1.0 | 10 |
| 4 | 10 | Perlite | 1.0 | 10 |
| 5 | 10 | Perlite | 1.0 | 10 |
| 6 | 10 | Perlite | 1.0 | 10 |
| 7 | 10 | Perlite | 1.0 | 10 |
| 8 | 10 | Perlite | 1.0 | 10 |
| 9 | 10 | Perlite | 1.0 | 10 |
| 10 | 10 | Perlite | 1.0 | 10 |
| 11 | 8 | Perlite | 1.0 | 10 |
| 12 | 10 | Perlite | 1.0 | 8 |
| 13 | 10 | Perlite | 0.8 | 10 |
| 14 | 8 | Perlite | 1.0 | 10 |
| 15 | 10 | Diatomite | 1.0 | 10 |
| 16 | 10 | Perlite | 0.9 | 10 |
| 17 | 12 | Perlite | 1.0 | 10 |
| 18 | 10 | Diatomite | 0.9 | 10 |
| 19 | 10 | Perlite | 1.0 | 12 |
| 20 | 10 | Perlite | 1.0 | 10 |
| 21 | 10 | Perlite | 1.0 | 10 |
| 22 | 10 | Perlite | 1.0 | 10 |
| 23 | 10 | Perlite | 1.0 | 10 |
| 24 | 10 | Perlite | 1.0 | 10 |
| 25 | 10 | Perlite | 1.0 | 10 |
| 26 | 10 | Perlite | 1.0 | 10 |
Table 6: the dewaxing of comparative example
| Comparative example | Dewaxing temperature (DEG C) | Dewaxing agent | Auxiliary agent (%) | It dewaxes time (hour) |
| 1 | 10 | Perlite | 1.0 | 10 |
| 2 | 10 | Perlite | 1.0 | 10 |
| 3 | 10 | Perlite | 1.0 | 10 |
| 4 | 10 | Perlite | 1.0 | 10 |
| 5 | 10 | Perlite | 1.0 | 10 |
| 6 | 10 | Perlite | 1.0 | 10 |
| 7 | 10 | Perlite | 1.0 | 10 |
| 8 | 10 | Perlite | 1.0 | 10 |
| 9 | 10 | Perlite | 1.0 | 10 |
| 10 | 10 | Perlite | 1.0 | 10 |
| 11 | 10 | Perlite | 1.0 | 10 |
| 12 | 10 | Perlite | 1.0 | 10 |
| 13 | 10 | Perlite | 1.0 | 10 |
| 14 | 10 | Perlite | 1.0 | 10 |
| 15 | 10 | Perlite | 1.0 | 10 |
| 16 | 10 | Perlite | 1.0 | 10 |
| 17 | 10 | Perlite | 1.0 | 10 |
| 18 | 10 | Perlite | 1.0 | 10 |
| 19 | 10 | Perlite | 1.0 | 10 |
| 20 | 10 | Perlite | 1.0 | 10 |
| 21 | 10 | Perlite | 1.0 | 10 |
| 22 | 10 | Perlite | 1.0 | 10 |
| 23 | 10 | Perlite | 1.0 | 10 |
| 24 | 10 | Perlite | 1.0 | 10 |
| 25 | 10 | Perlite | 1.0 | 10 |
| 26 | 10 | Perlite | 1.0 | 10 |
| 27 | 10 | Perlite | 1.0 | 10 |
| 28 | 10 | Perlite | 1.0 | 10 |
Table 7: the decoloration of embodiment
Table 8: the decoloration of comparative example
Table 9: the deodorization of embodiment and final refining oil quality
Table 10: the deodorization of comparative example and final refining oil quality
Note: in table 9 and 10, A refers to that packed tower after first plate tower, B refer to that first packed tower back plate tower, C refer to that light free from extraneous odour, D refer to gently
Acescency, E refer to slight dish fishy smell.
△ AV (for 24 hours), △ PV (9h) and the △ R of the refined oil obtained after each embodiment and comparative example deodorization are detected, as a result
As shown in table 11.
Table 11
According to the above results, compared with the grease of comparative example preparation, the grease prepared in above-described embodiment can meet △
AV (for 24 hours)≤0.04mgKOH/g, △ PV (9h)≤5.5mmol/kg, △ R (6h)≤0.7.VE and sterol reservation can reach
90% or more；Content of trans fatty acids is lower than 0.3%.Above-mentioned requirements are then not fully reached using the scheme of comparative example.For example,
Comparative example 2,4,5,11,13 etc. uses low temperature alkali refining scheme, and △ AV (for 24 hours) or △ R exceed the range of above-mentioned requirements.
Embodiment two
Cook ready-mixed oil preparation: difference oil kind prepared by above-described embodiment or comparative example is respectively in the ratio of table 12-14
Material-compound tank is sequentially added, maintains temperature at 20 DEG C -40 DEG C, mixes slowly 20-30min, is filtered filling up to blended oil finished product.Its
In, with the ready-mixed oil that the grease allotment of embodiment moderately processed obtains, there is no beany flavor, herbaceous taste, dish fishy smell, oxidations
The peculiar smell such as taste, hot carclazyte taste.Flavor evaluation is given a mark by 15-20 professional sensory evaluation group members, as a result with median
Meter.Point system is 5 points of systems, and 1- is not liked very much, and 2- is not liked, and 3- is general, and 4- likes, and 5- enjoys a lot.When there are beans raw meats
When the peculiar smell such as taste, herbaceous taste, dish fishy smell, activated flavour, hot carclazyte taste, 1 or 2 need to be selected.
Frying experiment: first by under the conditions of same formula rate sample VE and sterol adjust to same level, such as sample
Four samples are adjusted containing to VE and the highest sample of sterol content by mode of the product 1,2,3 and 4 through outer addition VE and sterol
Amount.Sample 5,6,7 and 8 and 9,10,11 and 12 is also such.VE and sterol are then adjusted consistent sample to weigh
2500g is put into pot heated at constant temperature to 180 DEG C, claims 200g French fries to be fried every time, fried 3min terminate it is off the pot, per hour one
Batch.After frying 10 batches, detection acid value of lipids, color, polar substances content and oil absorbency.As a result as shown in following table 12-14.
Table 12
Table 13
Table 14
Note: in table 12-14, △ AV, △ R, △ polar compound, French fries oil content are relative value.
Through flavor evaluation show the grease moderately processed with embodiment allotment obtain ready-mixed oil, there is no beany flavor,
The peculiar smell such as herbaceous taste, dish fishy smell, activated flavour, hot carclazyte taste, excellent flavor.
Frying experiment shows green of the invention, and precisely the frying of appropriateness processing ready-mixed oil is functional, can slow down and fry
The oil absorbency of acid value, the ascendant trend of color and polar compound and food in journey.Fry index △ AV, △ R, △ polarity
10-30% can be reduced by closing object and oil absorbency, be generated so as to slow down the oil smoke during frying, oil colours deepens and harmful substance pole
Property compound production quantity, and can effectively reduce the oil absorbency of deep fried foodstuff, the oil of same dosage can fry more foods, increase
Fry access times.And in the case where taking in the deep fried foodstuff of same amount, human body can reduce the intake of grease, reduce harmful
The intake of substance, is conducive to health.
Embodiment three
The grease of embodiment 1-26 and comparative example 1-28 are respectively placed in the PET bottle of 900ml, 25 DEG C of shelf of room temperature are placed in
Room is stored, its index AV, PV and color R value are detected within shelf life 18 months.
Wherein, embodiment 1-3 and comparative example 1-3 result are as shown in Table 15.
Table 15
The shelf life performance of section Example and comparative example is illustrated in table 15, such as comparative example 2 is low temperature alkali refining, with reality
Example 2 is applied to compare, although its initial AV, PV and color be slightly below embodiment 2, its be not able to satisfy △ AV (for 24 hours)≤
0.04mgKOH/g, △ PV (9h)≤5.5mmol/kg, the requirement of △ R (6h)≤0.7, AV, PV and face after shelf life 18 months
The rising value of color is all larger than embodiment 2, shows the ascendant trend become apparent, i.e., its shelf life stability is worse than embodiment 2.
Embodiment 1,3 similarly shows better shelf life stability.Shelf life comparing result shows that embodiment is showed in shelf life
Better than comparative example, conventional index acid value, peroxide value and the colour stable sex expression of grease are superior at shelf life 18 months
Comparative example, the rising situation of obvious exception does not occur, and the stability of grease is more excellent.Remaining embodiment and comparative example situation and table 15
In result it is similar (data are not shown), i.e., it is obtained using the embodiment of the present invention prepared by the comparative example compared with grease
Grease, shelf life stability more preferably, for example, AV, PV and the rising value of color are less than the grease of comparative example.
Claims (10)
1. a kind of grease appropriateness alkali refining method, which is characterized in that the described method includes:
(1) low-kappa number: degumming medium being added in the degummed oil that oil temperature is 70-90 DEG C, is uniformly mixed in 70-90 DEG C, wherein
The degumming medium is acid；
(2) alkali process: being divided at least two parts for lye, is sequentially added obtained by step (1) with 5-15 minutes time intervals through acid
In pretreated mixture, wherein the amount of each part lye is identical or different；Preferably, degummed oil described in step (1) uses water
Change degumming, acidification degumming, and/or enzymatic degumming to obtain；Preferably, the aquation degumming includes being carried out with 70-90 DEG C of hot water
Degumming；It is highly preferred that the dosage of the 70-90 DEG C of hot water is the 1-5%, preferably 2-4% of oil weight, hair in the aquation degumming
The temperature of oil is 70-90 DEG C, and mixing time is 15-60 minutes.
2. the method as described in claim 1, which is characterized in that the method has following one or more features:
In step (1), the acid is phosphoric acid and/or citric acid；
In step (1), with degummed oil poidometer, the additional amount of the acid is 100-600ppm；
In step (1), keep oil temperature 70-90 DEG C maintenance 30-90 minutes；
The concentration of lye is 5-10%, preferably 6-8% in step (2)；
Excess alkali quantity is 0-15%, preferably 0-10% in step (2)；
Oil temperature in step (2) is 70-90 DEG C, preferably 80-85 DEG C；
The lye is added in step (1) resulting mixture in two times or three times；With
After last time is added lye and carries out 5-15 minute alkali refinings, carry out taking off soap, washing and drying.
3. a kind of neutralization oil, which is characterized in that neutralize in terms of oily total amount, content of trans fatty acids≤0.2% in the neutralization oil；
With the degummed oil lipid phase ratio before its appropriate alkali refining, neutralization oil contained vitamin E is degumming grease contained vitamin E's
97.5% or more, preferably 98.0% or more, more preferable 98.5% or more；Sterol contained by neutralization oil is sterol contained by the degummed oil
96.5% or more, preferably 97.0% or more, more preferable 97.5% or more；
Preferably, the oil that neutralizes is prepared using the grease appropriateness alkali refining method any in claim 1-2.
4. a kind of grease appropriateness processing method, including grease appropriateness alkali refining method of any of claims 1-2, and it is de-
Any one or more processes in glue, dewaxing, decoloration and deodorization.
5. grease appropriateness processing method as claimed in claim 4, which is characterized in that
The degumming includes aquation degumming, acidification degumming and enzymatic degumming；Preferably, the degumming is aquation degumming, more preferably
Ground, the aquation degumming include the steps that carrying out degumming with 70-90 DEG C of hot water, it is highly preferred that in the aquation degumming, it is described
The dosage of 70-90 DEG C of hot water is the 1-5%, preferably 2-4% of oil weight, and the temperature of crude oil is 70-90 DEG C, mixing time 15-60
Minute；
The decoloration is appropriateness decoloration；Preferred: bleaching temperature is 100-110 DEG C；With elaeometer, decoloring medium dosage is 0.5-
3.0%；Decoloring medium be selected from carclazyte, active carbon, attapulgite and any combination thereof, the preferably combination of carclazyte and attapulgite,
Preferably, the weight ratio of carclazyte and attapulgite is 1:2-2:1；And/or
The deodorization is appropriateness deodorization；Preferred: deodorization temperature is 190-240 DEG C, preferably 200-230 DEG C；Deodorization time is 30-
120 minutes, preferably 30-105 minutes；Vacuum degree is≤10 supports, preferably≤5 support；It is deodorized using steam stripping, wherein vapour
The amount of mentioning is 0.5-2%, preferably 1-1.5%；And/or
The dewaxing is appropriateness dewaxing；Preferably, the dewaxing includes that will neutralize obtained by alkali refining after oil is cooled to 10-15 DEG C, is added
Enter dewaxing agent, continues to be cooled to 5-8 DEG C after mixing evenly, dewaxed oil is obtained by filtration after being kept for 6-15 hours；Preferably, described
Dewaxing agent is perlite or diatomite, and dosage is the 0.5-1.5%, preferably 0.8-1.0% of oil weight.
6. grease appropriateness processing method as claimed in claim 5, which is characterized in that
The decoloration is to decolourize two stages, wherein the decoloration of first stage includes passing through 100-110 DEG C of oil temperature of grease
Filter filled with decoloring medium, is decolourized in advance；The decoloration of second stage carries out in bleacher, and the time is to arrive for 30 minutes
1 hour, the dosage of decoloring medium was the 0.5-1.5% of oil weight；Preferably, the decoloration includes: to make 100-110 DEG C of oil temperature
Grease passes through filled with the filter that have passed through the useless decolorizing earth once to decolourize, is decolourized in advance, obtains pre- bleached oil, then make
The carclazyte and attapulgite that weight ratio with oil weight 0.5-1.5% is 1:2-2:1 are in vacuum decoloration tank to the pre- bleached oil
Decoloration 30 minutes to 1 hour, filtering obtain bleached oil；And/or
The deodorization is deodorized using double tower deodorization technique, and double tower sequence is packed tower after first plate tower, wherein by 195-215
DEG C, preferably 200-210 DEG C of bleached oil be delivered to plate tower, in the vapour of≤10 supports, the vacuum degree of preferably≤5 support and 0.5-2.0%
Steam stripping 30-100 minutes, preferably 60-90 minute under conditions of the amount of mentioning；Then the oil flowed out through plate tower is warming up to 220-
235 DEG C, preferably 225-230 DEG C, it is delivered to packed tower, in the stripping of≤10 supports, the vacuum degree of preferably≤5 support and 0.5-2.0%
Steam stripping 5-20 minutes, preferably 5-15 minute under conditions of amount.
7. grease appropriateness processing method as claimed in claim 4, which is characterized in that the grease appropriateness processing method includes:
Appropriate alkali refining neutralizes oil to obtain, comprising: (1) is added to acid in the degumming oil that oil temperature is 70-90 DEG C, mixing is equal
It is even, in 70-90 DEG C placement 30-90 minutes；(2) lye is divided at least two parts, every part of amount was identical or different, with 5-15 minutes
Time interval sequentially add in step (1) resulting mixture, wherein last time be added lye after carry out again 5-15 minutes
Alkali refining；
Optional appropriateness dewaxing, comprising: oil will be neutralized and be gradually cooled to 10-15 DEG C, perlite or the diatom of 0.8%-1% is added
Soil stirs evenly, and continues to keep 8-15h after being cooled to 8 DEG C, filters to obtain dewaxed oil；
Appropriateness decoloration, comprising: 100-110 DEG C of oil temperature of dewaxed oil is made to have passed through the useless decolorizing earth once to decolourize by being filled with
Filter, decolourized in advance, obtain pre- bleached oil, then using oil weight 0.5-1.5% weight ratio be 1:2-2:1 carclazyte
With attapulgite pre- decoloration oil decolorization 30 minutes to 1 hour to this in vacuum decoloration tank, filtering obtains bleached oil；
Appropriateness deodorization, comprising: be deodorized using double tower deodorization technique, double tower sequence is packed tower after first plate tower, wherein will
195-215 DEG C, preferably 200-210 DEG C of bleached oil is delivered to plate tower, in≤10 supports, the vacuum degree of preferably≤5 support and 0.5-
Steam stripping 30-100 minutes, preferably 60-90 minutes under conditions of 2.0% stripping amount；Then the oil flowed out through plate tower is risen
Temperature is delivered to packed tower to 220-235 DEG C, preferably 225-230 DEG C, in≤10 supports, the vacuum degree of preferably≤5 support and 0.5-
Steam stripping 5-20 minutes, preferably 5-15 minutes under conditions of 2.0% stripping amount；It cools down and filters through packed tower outflow
Oil obtains appropriate processing oil；
Preferably, aquation degumming 10-60min is carried out to 70-90 DEG C of crude oil by using the 70-90 DEG C of hot water of oil weight 1-5%
Obtain the degumming oil.
8. a kind of grease moderately processed, which is characterized in that in the grease moderately processed, process grease total amount with appropriateness
Meter, content of trans fatty acids≤0.3%, △ AV (for 24 hours)≤0.04mgKOH/g, △ PV (9h)≤5.5mmol/kg, △ R (6h)
≤ 0.7, FFA≤0.1%, and compared with the crude oil for being used to prepare appropriateness processing grease, this moderately processes vitamin E in grease
Weight is at least 90% of vitamin E weight in crude oil, and sterol weight is at least the 90% of crude oil sterol weight；
Preferably, the appropriateness processing grease is using grease appropriateness processing method preparation described in any one of claim 4-7
It obtains；
Preferably, the grease moderately processed is selected from soybean oil, rapeseed oil, corn oil, sunflower oil and the rice moderately processed
Rice bran oil.
9. a kind of ready-mixed oil, which is characterized in that in the ready-mixed oil, in terms of ready-mixed oil total amount, the trans fats of the ready-mixed oil
Acid content≤0.3%, △ AV (for 24 hours)≤0.04mgKOH/g, △ PV (9h)≤5.5mmol/kg, △ R (6h)≤0.7；It is preferred that
Ground, in the ready-mixed oil, in terms of ready-mixed oil total amount, saturated fatty acid content 8-16%, ω -6 unsaturated fatty acid content is
40-47%, omega-3 unsaturated fatty acid content are 4-13%；
Preferably, the ready-mixed oil contains described at least two neutralization oil as claimed in claim 3 or at least two claims 8
Appropriateness processing grease, and with its total weight, the ready-mixed oil contains at least 25% neutralization oil or the appropriateness adds
Work grease；
Preferably, the ready-mixed oil also contains the other greases neutralized except oil or the appropriateness processing grease, preferably
One of peanut oil, sesame oil, linseed oil and safflower oil are a variety of；Preferably, the ready-mixed oil is also containing the Asia of 0.1-5%
The sesame oil of sesame oil and/or safflower oil, the peanut oil of 0.1-5%, and/or 0.1-5%；
Preferably, in terms of ready-mixed oil total amount, the ready-mixed oil contains at least 25%, at least 35%, at least 45%, at least 55%,
At least 65%, at least 75%, at least 85%, at least 90%, at least 95% or 100% neutralization oil as claimed in claim 3 and/
Or appropriateness processing grease according to any one of claims 8.
10. ready-mixed oil as claimed in claim 9, which is characterized in that the ready-mixed oil is selected from:
(1) ready-mixed oil containing appropriateness processing rapeseed oil and appropriateness processing sunflower oil；Preferably, in the ready-mixed oil, appropriateness adds
The content of work rapeseed oil is at least 15wt%, preferably 15-30wt%, the content that appropriateness processes sunflower oil be at least 10wt%,
It is preferred that 10-40wt%；Preferably, with the total restatement of ready-mixed oil, the appropriateness processing rapeseed oil and appropriateness process containing for sunflower oil
The sum of amount is at least 25%；
(2) ready-mixed oil containing appropriate soybean processing oil, appropriateness processing corn oil and appropriateness processing Rice oil；Preferably, the tune
In oil, the content of appropriate soybean processing oil is at least 15wt%, preferably 15-60wt%, and appropriateness processes the content of corn oil extremely
It is less 5wt%, preferably 5-20wt%, the content that appropriateness processes Rice oil is at least 5wt%, preferably 5-15wt%；Preferably, with
The total restatement of ready-mixed oil, the sum of content of the appropriateness soybean processing oil, appropriateness processing corn oil and appropriateness processing Rice oil is at least
It is 35%；
(3) ready-mixed oil containing appropriate soybean processing oil and appropriateness processing rapeseed oil, it is preferable that with the total restatement of ready-mixed oil, the tune
The appropriateness processing rapeseed oil of appropriate soybean processing oil and 15-30% with oil containing 15-60%；It is highly preferred that total with ready-mixed oil
The sum of the content of restatement, the appropriateness soybean processing oil and appropriateness processing rapeseed oil is at least 45%；
(4) tune of rapeseed oil, appropriateness processing corn oil and appropriateness processing sunflower oil is processed containing appropriate soybean processing oil, appropriateness
And oil, it is preferable that with the total restatement of ready-mixed oil, which contains the appropriateness of the appropriate soybean processing oil of 15-60%, 15-30%
Process the appropriateness processing sunflower oil of rapeseed oil, the appropriateness processing corn oil of 1-20% and 10-40%；It is highly preferred that reconcile
The total restatement of oil, the ready-mixed oil contain the appropriate soybean processing oil of 15-60%, the appropriateness processing rapeseed oil of 15-30%, 5-10%
The appropriateness processing sunflower oil of appropriateness processing corn oil, 10-40%；It is highly preferred that with the total restatement of ready-mixed oil, the appropriateness processing
The sum of soybean oil, appropriateness processing rapeseed oil, appropriateness processing corn oil and content of appropriateness processing sunflower oil are at least 80%；With
(5) rapeseed oil, appropriateness processing corn oil, appropriateness processing sunflower oil are processed containing appropriate soybean processing oil, appropriateness and fitted
The ready-mixed oil of degree processing Rice oil；Preferably, with the total restatement of ready-mixed oil, which contains the appropriate soybean processing of 15-60%
Oil, 15-30% appropriateness processing rapeseed oil, 1-20% appropriateness processing corn oil, 10-40% appropriateness processing sunflower oil and
The appropriateness processing Rice oil of 1-15%；It is highly preferred that the ready-mixed oil contains the appropriateness processing of 15-60% with ready-mixed oil total restatement
Soybean oil, the appropriate processing rapeseed oil of 15-30%, the appropriateness processing corn oil of 5-10%, the appropriate of 10-40% process sunflower seeds
The appropriateness processing Rice oil of oil and 5-15%；Preferably, with the total restatement of ready-mixed oil, the appropriateness soybean processing oil, appropriateness processing
Rapeseed oil, appropriateness process the sum of content of corn oil, appropriateness processing sunflower oil and appropriateness processing Rice oil at least 85%, excellent
Choosing is at least 90%.
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| CN112940855A (en) * | 2021-03-09 | 2021-06-11 | 丰益(上海)生物技术研发中心有限公司 | Sunflower seed oil and preparation method thereof |
| CN116120987A (en) * | 2022-12-28 | 2023-05-16 | 中粮营养健康研究院有限公司 | Refining method for controlling peculiar smell of sunflower seeds and grease obtained by refining method |
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| CN113186032A (en) * | 2021-05-31 | 2021-07-30 | 江南大学 | Method for decoloring peony seed oil |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112430501A (en) * | 2020-12-18 | 2021-03-02 | 江西省粮油科学技术研究所 | Degumming method of cornus wisoniana raw oil |
| CN112940855A (en) * | 2021-03-09 | 2021-06-11 | 丰益(上海)生物技术研发中心有限公司 | Sunflower seed oil and preparation method thereof |
| CN116120987A (en) * | 2022-12-28 | 2023-05-16 | 中粮营养健康研究院有限公司 | Refining method for controlling peculiar smell of sunflower seeds and grease obtained by refining method |
| CN116120987B (en) * | 2022-12-28 | 2024-01-12 | 中粮营养健康研究院有限公司 | Refining method for controlling peculiar smell of sunflower seed oil and grease obtained by refining method |
Also Published As
| Publication number | Publication date |
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| CN109609265B (en) | 2020-04-10 |
| CN111394176B (en) | 2023-05-16 |
| CN111349515A (en) | 2020-06-30 |
| CN111349515B (en) | 2023-06-23 |
| CN111394176A (en) | 2020-07-10 |
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Inventor after: Zhou Shengmin Inventor after: Liu Xiaojun Inventor after: Zhang Yuquan Inventor after: Jiang Yuanrong Inventor after: Ling Guofeng Inventor before: Zhou Shengmin Inventor before: Liu Xiaojun Inventor before: Zhang Yuquan Inventor before: Jiang Yuanrong |
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Application publication date: 20190412 Assignee: YIHAI JIALI FOOD MARKETING Co.,Ltd. Assignor: WILMAR (SHANGHAI) BIOTECHNOLOGY RESEARCH & DEVELOPMENT CENTER Co.,Ltd. Contract record no.: X2022310000176 Denomination of invention: A green, precise and moderately processed blend oil Granted publication date: 20200410 License type: Common License Record date: 20221215 |