CN105875870A - Corn oil and preparation method thereof - Google Patents
Corn oil and preparation method thereof Download PDFInfo
- Publication number
- CN105875870A CN105875870A CN201610254386.8A CN201610254386A CN105875870A CN 105875870 A CN105875870 A CN 105875870A CN 201610254386 A CN201610254386 A CN 201610254386A CN 105875870 A CN105875870 A CN 105875870A
- Authority
- CN
- China
- Prior art keywords
- oil
- semen maydis
- enzyme
- degumming
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23D—EDIBLE OILS OR FATS, e.g. MARGARINES, SHORTENINGS, COOKING OILS
- A23D9/00—Other edible oils or fats, e.g. shortenings, cooking oils
- A23D9/02—Other edible oils or fats, e.g. shortenings, cooking oils characterised by the production or working-up
- A23D9/04—Working-up
-
- 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
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/02—Pretreatment
- C11B1/04—Pretreatment of vegetable raw material
-
- 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
- C11B1/00—Production of fats or fatty oils from raw materials
- C11B1/06—Production of fats or fatty oils from raw materials by pressing
-
- 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
-
- 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
- C11B3/008—Refining fats or fatty oils by filtration, e.g. including ultra filtration, dialysis
-
- 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
-
- 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
- C11B3/12—Refining fats or fatty oils by distillation
Abstract
The present invention provides corn oil and a preparation method thereof. The preparation method comprises the following steps: pretreating, raw oil preparing, degumming and alkali refining, primary solvent evaporating and isolating, secondary solvent evaporating and isolating, dewaxing, and deodorizing. The method can effectively remove pigments and wax in the oil, combines the removal of aspergillus flavus and production of the corn oil together, does not affect the production of the corn oil, and greatly reduces the content of the aspergillus flavus. Besides, the produced corn oil retains the nutrient contents to be unchanged, is pure in taste and lasting in fragrance, can satisfy people's requirement for special grade corn oil with original juice and original tastes, is mild in reaction conditions and simple in operation, and has good application prospect.
Description
Technical field
The invention belongs to technological field of biochemistry, be specifically related to a kind of Semen Maydis oil and preparation method thereof.
Background technology
Semen Maydis oil is enriched in the edible vegetable oil that the nutritive value of physiologically active ingredient is the highest.Containing 86% left side in Semen Maydis oil
Right unsaturated fatty acid, wherein 56% is linoleic acid, has the effect adjusting fat blood fat reducing, is of value to and improves Patients with geriatric cardiovascular and cerebrovascular diseases
Healthy；Rich in vitamin E and tocotrienol in Semen Maydis oil, wherein content of vitamin E reaches 0.16-0.27%, higher than other plant
Oil, is a kind of Natural antioxidant, has certain effect for human body antioxidation and slow down aging；Also rich in plant in Semen Maydis oil
Sterol, content of phytosterol reaches more than 1.5%, has and reduces low density cholesterol, effect of auxiliary blood fat reducing.At Semen Maydis oil
It is present that industry is competed increasingly, and each Semen Maydis oil manufacturer makes an issue of one after another in Semen Maydis oil production technology, updates, creates
Newly.Do not require nothing more than Semen Maydis oil quality to be up to state standards, and also require that production process energy-conserving and environment-protective.Semen Maydis oil is enriched in physiology
The edible vegetable oil that the nutritive value of active component is the highest, in Semen Maydis oil containing about 86% unsaturated fatty acid, wherein 56%
It is linoleic acid, there is the effect adjusting fat blood fat reducing, be of value to the health improving Patients with geriatric cardiovascular and cerebrovascular diseases；Rich in vitamin E in Semen Maydis oil
And tocotrienol, wherein content of vitamin E reaches 0.16～0.27%, higher than other plant oil, is a kind of Natural antioxidant,
Human body antioxidation and slow down aging are had certain effect；Also rich in plant sterol in Semen Maydis oil, content of phytosterol reaches
More than 1.5%, there is the low density cholesterol reduced in human body and effect of auxiliary blood fat reducing.Existing Fructus Maydis oil
Produce and typically have 2 kinds of methods produced: milling process and solvent extraction method.
Milling process is to use physical squeezing mode, and from oil plant, extruding obtains the mode of oils and fats, including soil squeezing, cold pressing, hot moulding.
Existing soil squeezing method is our some domestic rural households, method of individual workship's topmost extraction oils and fats.Cold-press refers to
Raw material did not carried out a liter gentle parch to it before entrance pressure crusher, it is not necessary to refine and directly edible method, it is to avoid excessive adds
Hot and too much chemical treatment, affects oil quality.Hot moulding method is that pressing temperature is 100 by processing oil plant high temperature parch
135 DEG C, oil yield is high, with rich flavor.Mechanized Processing enterprise this method of many employings produces continuously at present.
Solvent extraction method is that oil plant first carries out pre-squeezing, i.e. first extracts major part oils and fats, recycling food in oils and fats with milling process
Solvent from oil cake, extract remaining oils and fats.A kind of method of refined oil is obtained, so eventually through refine processing technique
Can ensure that the residual oil content in the Semen Maydis dregs of rice can be less than less than 1%.
The nutrient functional of Semen Maydis oil is the most gradually recognized acceptance by consumer at present, and the development of its production Technology is also
It is constantly subjected to pay close attention to and constantly improve, but there is also problem demanding prompt solution: the pigment in Semen Maydis oil is water insoluble, the most molten
In oils and fats and organic solvent, so, in oils and fats producing process, pigment is produced out in company with oils and fats together, particularly with leaching
Go out the grease color that technique produces deeper.Owing to the activity of active hargil is relatively strong, occur with reaction more in decolorization,
After being embodied in decolouring, the acid value of oils and fats is gone up substantially, and hydroperoxides and secondary oxidative product assay raise.Properly increase decolouring
In temperature, beneficially Semen Maydis oil, peroxide value reduces；But when bleaching temperature is more than 85 DEG C to 100 DEG C, decolorising agent is to peroxidating
The absorption of thing and the oxidation catalysis of Semen Maydis oil is carried out simultaneously, and oxidation catalysis effect is more than adsorption so that Semen Maydis oil
Peroxide value raise, it addition, maize raw material is easily infected by Aspergillus flavus etc. in transporting procedures, after processing without detoxification process
Often containing the aflatoxin (mainly AFB1) exceeded standard in Semen Maydis oil, in the course of processing, high temperature is easily generated
, owing to Vegetable oil lipoprotein contains multiple unsaturated double-bond, in the storage course of processing, easily there is oxidative rancidity in benzopyrene.Aspergillus flavus poison
Element and benzopyrene exceed standard most commonly seen and extensive in greasy dirt contaminates.
Summary of the invention
It is an object of the invention to improve existing Semen Maydis oil production link and there is technological deficiency, its product processes is unique
Advanced person, the pigment in production method, effectively removing oils and fats and waxiness so that the removal of Aspergillus flavus and the production of Semen Maydis oil are combined in
Together, do not affect the production of Semen Maydis oil, greatly reduce Aspergillus flavus content, and the Semen Maydis oil produced remains nutrient substance composition
Constant, pure taste, lasting fragrance, it is possible to meet people to genuine superfine Semen Maydis oil demand.
The object of the present invention is achieved like this,
The preparation method of a kind of Semen Maydis oil comprises the steps:
1 pretreatment process
Maize raw material is sampled inspection, such as: the indexs such as water is miscellaneous, Aspergillus flavus, acid value, peroxide agent, oil content are chemically examined
Detection, makes a record；After qualified, receive warehouse-in.
Semen Maydis is carried out dry in the sun so that water content is 3-5%, the Semen Maydis after dry in the sun is soaked in boiling water 5-8 minute, so
After put into cold water shower, be repeated several times, remove attached skin.
2 crude oils
Semen Maydis pretreated to step 1 carries out squeezing and obtains crude oil
3 degumming alkali refinings
Crude oil is warmed up to 35-45 DEG C, and adjustment pH is 6.5-7, adds degumming enzyme in crude oil, and described degumming enzyme is:
Lecitase ultra enzyme, phospholipase C, laccase, xylanase respectively according to 20mg/kg(relative to crude oil weight, as follows),
The ratio of 20mg/kg, 10mg/kg, 5mg/kg is added, then hydrolysis 4-5 hour；
Reaction end is rapidly heated to 100 DEG C and makes enzyme-deactivating, adds 5%(mass ratio) 90-95 DEG C of water, stirring makes colloid inhale
Water expands with separating of oil, and after being sufficiently mixed 10min, the rotating speed of 10000 r/min is centrifuged 10 min centrifugations；
Alkali refining oil temperature is 80-95 DEG C, and acid number is less than 0.5KOH/mg/g；
4 flush distillation separation solvents (cooling is reclaimed)
Oil pump after degumming is entered preheater, after being preheated to 200 DEG C, enters primary separator, be the vacuum of 1.5Pa in vacuum
Under state, cloth in primary separator, it is again heated to 220 DEG C, knifing, evaporation, enter one-level purifier afterwards, in vacuum
For under the vacuum state of 1.2Pa, purifying in one-level purifier, the Testa oryzae oil separated receives in tank again in light component
Secondary cooled, control temperature is at 25～30 DEG C, and heavy constituent enters two grades of purifications；
5 double evaporation-cooling separation solvents (cooling is reclaimed)
Semen Maydis oil after flush distillation is heated to 270 DEG C, enters two grades of purifiers, be the vacuum state of 1.5Pa in vacuum
Under, the Semen Maydis oil separated is cooled in light component receives tank again, is cooled to 25～35 DEG C, prevents from returning color；
6 dewaxings
Lean on gravity liquid level difference sequentially into the second crystallizer, the 3rd crystallization after oil pump after double evaporation-cooling enters the first crystallizer
Tank, the 4th crystallizer and the 5th crystallizer, start agitating device successively, and the control valve regulation oil opening coolant distributor exists
Crystallization temperature in each crystallizer, through five crystallizers and successfully oil after crystallization continue to overflow to support by gravity liquid level difference
Brilliant tank growing the grain, after maturator reaches the liquid level of 20%, starts agitating device and is quantitatively adding in oil by filter aid, making filter aid
Fully and be uniformly dispersed in oil, add the oil of filter aid after maturator keeps 7 hours, pump be input to filter and carry out
Oil, wax separate；Described filter aid is perlite: prepared by the part by weight of kieselguhr=2:1, and the addition of filter aid will be for passing through
The ratio of the oil after double evaporation-cooling by weight 1% adds filter aid；
7 deodorizes
Deodorised oil temperature control, at 220 degree of-250 degree, enters finished pot after absolute pressure 300-600Pa, then cooling.
Semen Maydis oil quality determination method AFB1 assay method is by national standard " AFB1 in food
Measure " GB/T5009.22-2003；Determination method of peroxide value presses national standard " oil peroxidation pH-value determination pH " GB/T5538-
1995；Acid value determination method presses national standard " animal and plant fat acid value and acidity assaying " GB/T5530-1998；Refraction index is surveyed
Method of determining is by national standard " Vegetable oil lipoprotein inspection refraction index measures " GB/T5527-1985；Quantitative aflatoxin mensuration side
Method presses national standard " edible vegetable oil sanitary standard " GB2716-2005.
Beneficial effects of the present invention:
1 pre-treatment step of the present invention, the production for high-quality Semen Maydis oil provides High quality processing raw material, promotes corn processed industry
Technological progress, improve added value of product, inventor is different from seed core chemical composition according to the attached skin of Semen Maydis, by entering Semen Maydis
Row dry in the sun so that water content is 3-5%, is soaked 5-8 minute by the Semen Maydis after dry in the sun in boiling water, is then placed in cold water shower, instead
The most several times, attached skin is removed.Shrink under the conditions of suddenly cold and hot and make with speed of expansion different principle the seed core of Semen Maydis separate with attached skin,
And wind-force broken by roll differential makes Semen Maydis underwear, seed core separately, and can improve fragrance and the oil yield of Semen Maydis oil.
2 present invention use complex enzyme degumming, than prior art phosphoric acid degumming, i.e. reduce dissolvent residual, and degumming is more
Fully, the degumming enzyme of the present invention can be totally converted hydrated phospholipid and non-hydratable phospholipid completely, crude oil phosphorus after degumming process
Content decreases below 5ppm, and the equal consumption of degummase is little, with regard to enzyme denaturing after boiling water heating, than using phosphoric acid degumming, and phosphorus
After acid degumming, removal and the water of solvent process, and save great amount of cost, improve economic performance.The present invention uses compound biological enzyme and enzyme
Solve technique and remove aflatoxin, it is to avoid the conventional physical loaded down with trivial details fuel consumption of absorption method process is big, and time of ultraviolet irradiation length is fuel-displaced
Slowly, the corrosivity of chemistry detoxification method, its reaction condition is gentle, has a extensive future.
The key problem in technology of 3 application enzymic degradation aflatoxin is to filter out and can produce the biology of high activity removing toxic substances and be combined
Enzyme, and create a microenvironment being conducive to enzymatic reaction, the present inventor passes through creative work and factorial experiment to enzymolysis
The enzymatic hydrolysis system of reaction, addition, PH, temperature etc. carry out great many of experiments, draw optimal enzyme digestion reaction parameter system, from a large number
Enzymolysis protein enzyme determines best complex enzyme be combined as lecitase ultra enzyme, phospholipase C, laccase, xylanase respectively by
According to 20mg/kg(relative to crude oil weight, as follows), the ratio of 20mg/kg, 10mg/kg, 5mg/kg add, then hydrolyze 4-5
Hour；
Enzyme reaction result occurs significant change, each enzymatic reaction all to deposit each enzymatic reaction all to exist with the change of pH value
One optimum action pH value, when less than optimum pH, enzymatic hydrolyzation increases with the increase of pH value, when reaching optimum pH
After, with the increase of pH value, enzymatic hydrolyzation declines on the contrary.Present invention determine that the optimal enzymolysis PH of compound enzyme is 6.5-7；The increase of enzyme amount
The enzyme ability to function to substrate can be improved, thus can cause the raising of enzymatic hydrolyzation, when enzyme dosage increases to certain numerical value, albumen
Matter molecule reaches saturated to the demand of enzyme, enzyme no longer be improve protein digestion rate restrictive factor, so enzymatic hydrolyzation with
The increase enzyme dosage becomes mild, increases further, and its enzymatic hydrolyzation declines on the contrary；
4 after biodegradation, and in Semen Maydis oil, aflatoxin B1 is negative, and its content drops to 3.5-4 μ g/kg, and result of the test accords with
Close national standard (≤20 μ g/kg)；The peroxide value in oil product, refraction index and acid value after treatment all do not have bigger change
Change, all meet national standard.
5 the application use vacuum tiny structure technology, and miscella evaporation is proposed Extractive crudeoil, when overcoming atmospheric evaporation, mixed
When conjunction oil concentration is too high, too low, the shortcoming stopping evaporation.Double-deck directly vapour, it is ensured that stripper lower floor crude oil seethes precipitation again.
Setting up Liquid level and go out oil system, oil-out is provided with solvent measuring and reporting system.Final Semen Maydis Extractive crudeoil dissolvent residual controls
Below 20ppm.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Embodiment 1
Crude maize oil carries out degumming through adding food grade phosphoric acid, through adding food stage sodium hydroxide deacidification alkali refining, alkali refining oil temperature
Spending at 80 degree of-95 degree, acid number is less than 0.5KOH/mg/g, and adding activated decoloration, (hargil addition is the 1%-5% that oil is heavy；Oil
Temperature control 100-110 degree), through freezing dewaxing operation, after dewaxing, then through deodorizing tower deodorize, deodorised oil temperature control is 220
Degree-250 degree, enters finished pot after absolute pressure 300-600Pa, then cooling.
Embodiment 2
The preparation method of a kind of Semen Maydis oil comprises the steps:
1 pretreatment process
Maize raw material is sampled inspection, such as: the indexs such as water is miscellaneous, Aspergillus flavus, acid value, peroxide agent, oil content are chemically examined
Detection, makes a record；After qualified, receive warehouse-in.
Semen Maydis is carried out dry in the sun so that water content is 3-5%, the Semen Maydis after dry in the sun is soaked in boiling water 5-8 minute, so
After put into cold water shower, be repeated several times, remove attached skin.
2 crude oils
Semen Maydis pretreated to step 1 carries out squeezing and obtains crude oil
3 degumming alkali refinings
Crude oil is warmed up to 35-45 DEG C, and adjustment pH is 6.5-7, adds degumming enzyme in crude oil, and described degumming enzyme is:
Lecitase ultra enzyme (3.326U/mg), phospholipase C (100U/mg), laccase (10U/mg), xylanase (1000U/mg)
Respectively according to 20mg/kg(relative to crude oil weight, as follows), the ratio of 20mg/kg, 10mg/kg, 5mg/kg adds, then
Hydrolyze 4-5 hour；
Reaction end is rapidly heated to 100 DEG C and makes enzyme-deactivating, adds 5%(mass ratio) 90-95 DEG C of water, stirring makes colloid inhale
Water expands with separating of oil, and after being sufficiently mixed 10min, the rotating speed of 10000 r/min is centrifuged 10 min centrifugations；
Alkali refining oil temperature is 80-95 DEG C, and acid number is less than 0.5KOH/mg/g；
4 flush distillation separation solvents (cooling is reclaimed)
Oil pump after degumming is entered preheater, after being preheated to 200 DEG C, enters primary separator, be the vacuum of 1.5Pa in vacuum
Under state, cloth in primary separator, it is again heated to 220 DEG C, knifing, evaporation, enter one-level purifier afterwards, in vacuum
For under the vacuum state of 1.2Pa, purifying in one-level purifier, the Testa oryzae oil separated receives in tank again in light component
Secondary cooled, control temperature is at 25～30 DEG C, and heavy constituent enters two grades of purifications；
5 double evaporation-cooling separation solvents (cooling is reclaimed)
Semen Maydis oil after flush distillation is heated to 270 DEG C, enters two grades of purifiers, be the vacuum state of 1.5Pa in vacuum
Under, the Semen Maydis oil separated is cooled in light component receives tank again, is cooled to 25～35 DEG C, prevents from returning color；
6 dewaxings
Lean on gravity liquid level difference sequentially into the second crystallizer, the 3rd crystallization after oil pump after double evaporation-cooling enters the first crystallizer
Tank, the 4th crystallizer and the 5th crystallizer, start agitating device successively, and the control valve regulation oil opening coolant distributor exists
Crystallization temperature in each crystallizer, through five crystallizers and successfully oil after crystallization continue to overflow to support by gravity liquid level difference
Brilliant tank growing the grain, after maturator reaches the liquid level of 20%, starts agitating device and is quantitatively adding in oil by filter aid, making filter aid
Fully and be uniformly dispersed in oil, add the oil of filter aid after maturator keeps 7 hours, pump be input to filter and carry out
Oil, wax separate；Described filter aid is perlite: prepared by the part by weight of kieselguhr=2:1, and the addition of filter aid will be for passing through
The ratio of the oil after double evaporation-cooling by weight 1% adds filter aid；
7 deodorizes
Deodorised oil temperature control, at 220 degree of-250 degree, enters finished pot after absolute pressure 300-600Pa, then cooling.
Semen Maydis oil quality determination method AFB1 assay method is by national standard " AFB1 in food
Measure " GB/T5009.22-2003, result shows, aflatoxin content is 3.7ug/Kg, and uses oil prepared by embodiment 1
Middle aflatoxin content is 62.55.
Embodiment 2 is prepared Semen Maydis oil quality sampling inspection and be the results are shown in Table 1:
Table 1
To embodiment 2 produce Semen Maydis oil carry out trophic analysis, show in every 100g oil, plant sterol, vitamin, zinc, magnesium,
Ferrum, the content of calcium are respectively as follows: 862mg, 33mg, 0.32mg, 3.15mg, 0.18mg, 1.1mg.Visible employing present invention process, has
Effect reduces the loss of nutritional labeling, remains plant sterol, saves production cost.
Listed above is only the optimal specific embodiment of the present invention.It is clear that the invention is not restricted to above example, also may be used
There to be many deformation.All changes that those of ordinary skill in the art can directly derive from present disclosure or associate
Shape, is all considered as protection scope of the present invention.
Claims (3)
1. a preparation method for Semen Maydis oil, it comprises the steps:
Pretreatment, prepare crude oil, degumming alkali refining, once leach, secondary leach, dewaxing, deodorize.
2. the preparation method of a Semen Maydis oil, it is characterised in that described preparation method comprises the steps:
(1) pretreatment:
Semen Maydis is carried out dry in the sun so that water content is 3-5%, is soaked 5-8 minute by the Semen Maydis after dry in the sun, then put in boiling water
Enter cold water shower；
(2) crude oil is prepared:
Step (1) pretreated Semen Maydis is carried out squeezing and obtains crude oil；
(3) degumming alkali refining:
Crude oil is warmed up to 35-45 DEG C, and adjustment pH is 6.5-7, adds degumming enzyme in crude oil, and described degumming enzyme uses
Mode is: lecitase ultra enzyme, phospholipase C, laccase, xylanase respectively according to 20mg/kg, 20mg/kg, 10mg/kg,
The ratio of 5mg/kg is added, then hydrolysis 4-5 hour；After reaction terminates, it is rapidly heated to 100 DEG C and makes enzyme-deactivating, add 5%
The 90-95 DEG C of water of (mass ratio), stirring, after being sufficiently mixed 10min, the rotating speed of 10000 r/min is centrifuged centrifugal point of 10 min
From；
(4) once leach；
(5) secondary leaches；
(6) dewaxing:
Enter crystallizer by leaching the oil pump after sending out through secondary, start agitating device and filter aid is quantitatively adding in oil, making to help
Filtering agent fully and is uniformly dispersed in oil, after keeping 7 hours, pump is input to filter and carries out oil, wax separation；Described drainage
Agent is perlite: prepared by the part by weight of kieselguhr=2:1, and the addition of described filter aid is to add in the ratio of weight of oil 1%；
(7) deodorize:
Deodorised oil temperature control, at 220-250 DEG C, enters finished pot after absolute pressure 300-600Pa, then cooling.
3. the Semen Maydis oil that prepared by claim 1-2 and application thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254386.8A CN105875870A (en) | 2016-04-24 | 2016-04-24 | Corn oil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254386.8A CN105875870A (en) | 2016-04-24 | 2016-04-24 | Corn oil and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105875870A true CN105875870A (en) | 2016-08-24 |
Family
ID=56704437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610254386.8A Pending CN105875870A (en) | 2016-04-24 | 2016-04-24 | Corn oil and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105875870A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802727A (en) * | 2016-05-18 | 2016-07-27 | 杭州富阳飞博科技有限公司 | Refining method for removing aflatoxin in corn oil |
| CN111534369A (en) * | 2020-04-29 | 2020-08-14 | 成都红旗油脂有限公司 | Preparation method of nutritional and healthy corn oil and corn oil prepared by preparation method |
| CN112812888A (en) * | 2020-12-30 | 2021-05-18 | 陕西秦乔农林生物科技有限公司 | Lacquer seed oil dewaxing and production process |
| CN113698988A (en) * | 2021-07-27 | 2021-11-26 | 山东三星玉米产业科技有限公司 | Production process of nutritional corn oil |
| CN113841744A (en) * | 2020-12-30 | 2021-12-28 | 丰益(上海)生物技术研发中心有限公司 | Flavor grease and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206542A (en) * | 2011-01-30 | 2011-10-05 | 山东西王食品有限公司 | Method for preparing maize germ oil through enzymatic degumming |
| CN103740462A (en) * | 2014-01-10 | 2014-04-23 | 陈汉卿 | Oil refining method |
| CN103881805A (en) * | 2014-04-09 | 2014-06-25 | 山东金胜粮油集团有限公司 | Method for removing aflatoxin out of peanut oil |
| CN104164300A (en) * | 2014-09-02 | 2014-11-26 | 邹平健源油脂有限公司 | Refining method of corn oil |
| CN104403792A (en) * | 2014-10-31 | 2015-03-11 | 南海油脂工业(赤湾)有限公司 | Method and system for continuous multistage cooling and dewaxing of oil |
| CN104450181A (en) * | 2014-12-31 | 2015-03-25 | 山东玉生源油脂有限公司 | Production process for original fragrance corn oil |
| CN105038959A (en) * | 2015-08-09 | 2015-11-11 | 查光圣 | Peeled corn oil production technology |
-
2016
- 2016-04-24 CN CN201610254386.8A patent/CN105875870A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206542A (en) * | 2011-01-30 | 2011-10-05 | 山东西王食品有限公司 | Method for preparing maize germ oil through enzymatic degumming |
| CN103740462A (en) * | 2014-01-10 | 2014-04-23 | 陈汉卿 | Oil refining method |
| CN103881805A (en) * | 2014-04-09 | 2014-06-25 | 山东金胜粮油集团有限公司 | Method for removing aflatoxin out of peanut oil |
| CN104164300A (en) * | 2014-09-02 | 2014-11-26 | 邹平健源油脂有限公司 | Refining method of corn oil |
| CN104403792A (en) * | 2014-10-31 | 2015-03-11 | 南海油脂工业(赤湾)有限公司 | Method and system for continuous multistage cooling and dewaxing of oil |
| CN104450181A (en) * | 2014-12-31 | 2015-03-25 | 山东玉生源油脂有限公司 | Production process for original fragrance corn oil |
| CN105038959A (en) * | 2015-08-09 | 2015-11-11 | 查光圣 | Peeled corn oil production technology |
Non-Patent Citations (1)
| Title |
|---|
| 白坤编著: "《玉米淀粉工程技术》", 31 January 2012, 中国轻工业出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105802727A (en) * | 2016-05-18 | 2016-07-27 | 杭州富阳飞博科技有限公司 | Refining method for removing aflatoxin in corn oil |
| CN111534369A (en) * | 2020-04-29 | 2020-08-14 | 成都红旗油脂有限公司 | Preparation method of nutritional and healthy corn oil and corn oil prepared by preparation method |
| CN112812888A (en) * | 2020-12-30 | 2021-05-18 | 陕西秦乔农林生物科技有限公司 | Lacquer seed oil dewaxing and production process |
| CN113841744A (en) * | 2020-12-30 | 2021-12-28 | 丰益(上海)生物技术研发中心有限公司 | Flavor grease and preparation method and application thereof |
| CN113698988A (en) * | 2021-07-27 | 2021-11-26 | 山东三星玉米产业科技有限公司 | Production process of nutritional corn oil |
| CN113698988B (en) * | 2021-07-27 | 2024-04-26 | 长寿花食品股份有限公司 | Production process of nutritional corn oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105875870A (en) | Corn oil and preparation method thereof | |
| CN105820869A (en) | Aflatoxin-effectively-removing peanut oil extracting method | |
| US6129945A (en) | Methods to reduce free fatty acids and cholesterol in anhydrous animal fat | |
| CN105132250B (en) | A kind of quinoa white wine and preparation method thereof | |
| CN104277906A (en) | Refining process for cold-pressed camellia oil at low temperature | |
| CN105176676A (en) | Edible plant oil non-soap refining method | |
| CN106010779B (en) | Production method of camellia seed oil with high natural sterol content in plants | |
| CN102204597B (en) | Health-care corn oil and preparation process thereof | |
| CN106350200A (en) | Process for refining crude vegetable oil | |
| CN106675764A (en) | Production process for extracting walnut oil | |
| AU2020239775B2 (en) | Edible vegetable oil degumming agent and preparation method thereof and refining method of edible vegetable oil | |
| CN102051264A (en) | Method for refining yellow mealworm oil | |
| CN105861145A (en) | Refining process for rice bran oil | |
| CN104611130A (en) | Preparation process of nutritional rice oil rich in oryzanol and vitamin E | |
| CN104312721A (en) | Refining method of rice oil | |
| CN108659954A (en) | A kind of production method of tea seeds refined oil | |
| CN113698988B (en) | Production process of nutritional corn oil | |
| CN105802727A (en) | Refining method for removing aflatoxin in corn oil | |
| US1892449A (en) | Process of treating chocolate liquor containing proteins, starches and fats | |
| CN105154223A (en) | Rice bran oil | |
| CN105670774A (en) | Processing technology for reducing residual solvent in corn oil | |
| CN115678676A (en) | Flavored diglyceride oil and preparation method thereof | |
| US4313962A (en) | Production of low cholesterol casein | |
| CN104877757B (en) | Peracid value rice bran oil synchronization depickling dewaxing technique | |
| CN114292693A (en) | Preparation method of corn oil capable of retaining zeaxanthin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |