CN107868698A - A kind of preparation for squeezing walnut oil and its preservation method - Google Patents
A kind of preparation for squeezing walnut oil and its preservation method Download PDFInfo
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- CN107868698A CN107868698A CN201711278177.8A CN201711278177A CN107868698A CN 107868698 A CN107868698 A CN 107868698A CN 201711278177 A CN201711278177 A CN 201711278177A CN 107868698 A CN107868698 A CN 107868698A
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- 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
- C11B13/00—Recovery of fats, fatty oils or fatty acids from waste materials
- C11B13/02—Recovery of fats, fatty oils or fatty acids from waste materials from soap stock
-
- 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
- C11B3/16—Refining fats or fatty oils by mechanical means
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Polymers & Plastics (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Fats And Perfumes (AREA)
- Preparation Of Fruits And Vegetables (AREA)
Abstract
The invention discloses a kind of preparation for squeezing walnut oil and its preservation method, its preparation to include procedure below：（1）Walnut-meat hulling is taken, is dried；（2）Walnut kernel is squeezed, collects crude oil and remaining walnut slag；（3）Crude oil and water, ethanol are mixed with the first expressed oil；（4）Walnut slag, hot water are mixed, add sodium dihydrogen phosphate, disodium hydrogen phosphate, sodium hydroxide, is 8.5 ~ 9.5 time addition alkali proteases in pH, after enzymolysis, after adjusting pH to 6.5 ~ 7.0, stands, filtering, collection liquid and residual residue；（5）Residual residue is ground to slurry, the second expressed oil is mixed with water, ethanol；（6）First expressed oil and the second expressed oil are mixed.The walnut oil that the present invention obtains has dense fragrance, and recovery rate is high, and residual oil content is low.
Description
Technical field
The present invention relates to the technical field of squeezing walnut oil.
Background technology
Walnut oil is to use walnut kernel as raw material, a kind of more edible oils being prepared using squeezing mode.Its is main
Effect includes strengthen immunity, anti-aging, adjusts body's cholesterol, cerebrum tonifying, promotes retinal development, relax bowel, improve
Sleep, promote bone, tooth and natural on-off cycles of hair growth, kidney tonifying protect liver, protection prostate etc..
The processing mode of walnut oil is mainly mechanical expression in the prior art, including cold pressing and hot pressing, wherein cold pressing can be with
Preferably retain the nutritional ingredients such as the protein of walnut, but obtained product fragrance is poor, and residual oil content is high, and lipid-producing is low.
The content of the invention
It is an object of the invention to propose it is a kind of there is dense fragrance, recovery rate is high, the low squeezing walnut oil of residual oil content
Preparation and its preservation method.
Technical scheme is as follows：
A kind of preparation method for squeezing walnut oil, it includes procedure below：
（1）Take walnut kernel to be removed the peel after being soaked in the sodium acid carbonate that mass percentage concentration is 2 ~ 3%, dry；
（2）Walnut kernel after drying is squeezed by squeezer, collects the crude oil squeezed out and remaining walnut slag respectively, and
Precipitation that is filtered or being centrifuged off in crude oil；
（3）Crude oil and water, ethanol are sufficiently mixed, in mixed process constantly rise water temperature to 70 ~ 80 DEG C, persistently stir 5 ~
After 10min, stand, constantly take the mixture of second alcohol and water away during standing, remaining profit alcohol mixture is added
Enter and water-oil separating is carried out in oil-water separator, collect the oil of separation, further heat drying to water content obtains after being less than 0.05%
First expressed oil；
（4）The walnut slag is pulverized and sieved, is 1 with mass volume ratio:10 ~ 15 hot water mixing, phosphorus is added into mixture
Acid dihydride sodium, disodium hydrogen phosphate, sodium hydroxide, regulation mixture ph are 8.5 ~ 9.5, and alkaline egg is added in its backward mixture
White enzyme, after digesting 0.5 ~ 1.5h, watery hydrochloric acid is added, after adjusting pH to 6.5 ~ 7.0, stand 0.5 ~ 1h, filter thereafter, collect liquid
And residual residue；
（5）By step（4）The residual residue being collected into adds water washing and is ground to slurry, adds water, ethanol thereafter, in
20 ~ 30min is mixed at 50 ~ 100 DEG C, liquid, as the second expressed oil are collected by centrifugation thereafter；
（6）The squeezing walnut oil is obtained after first expressed oil and the second expressed oil are well mixed.
Preferably：The step（2）In the pressure of squeezing be 40 ~ 60MPa.
It is also preferred that：The step（5）The speed of middle centrifugation is 6000 ~ 12000rpm.
It is also preferred that：The step（5）In the volume ratio of the water that adds and ethanol be 3 ~ 1:1.
It is also preferred that：The step（3）Middle crude oil, water, the volume ratio of ethanol are 100 ~ 200：1~5:1.
It is also preferred that：The step（3）Also include the process of multi stage precipitation after the middle oil for collecting separation.
It is also preferred that：The step（5）Liquid is collected by centrifugation also includes the process of heat drying afterwards.
Present invention further proposes the preservation method by walnut oil made from such scheme, and it includes procedure below；
Described（6）After squeezing walnut oil is made, the squeezing walnut oil is stood at -5 ~ 10 DEG C, through plate-frame filtering after it
Machine filters, and collects the walnut oil filtered out, is added into refreshing bottle, nitrogen is passed through into refreshing bottle, its post package.
Its preferable scheme is：The time that the squeezing walnut oil is stood at -5 ~ 10 DEG C is 12 ~ 24h.
The expressed oil that the squeezing walnut oil of gained of the invention is obtained by two kinds of expressing process mixes, and not only increases squeezing
Yield, while the preparation process of the first expressed oil that uses of the present invention can obtain high-purity, high yield, strongly fragrant, low harmful
The squeezing walnut oil of thing, the expressed oil yield that the preparation process of the second expressed oil obtains is less than the first expressed oil, but has giving off a strong fragrance
Smell and high-purity, the fragrance of product is can further improve, increase total yield, the liquid for digesting to obtain in its preparation in addition can
Prepare other beneficial byproducts.
Embodiment
The present invention is described in further detail by the following examples, but this should not be interpreted as into the scope of the present invention
It is only limitted to following example.In the case where not departing from above method thought of the present invention, according to ordinary skill knowledge and
The various replacements or change that customary means is made, should be included in the scope of the present invention.
Embodiment 1
（1）Take walnut kernel to be removed the peel after being soaked in the sodium acid carbonate that mass percentage concentration is 2%, dry；
（2）Walnut kernel after drying is squeezed by squeezer, the pressure of squeezing is 40MPa, squeeze to it is no longer fuel-displaced when,
The crude oil squeezed out and remaining walnut slag, and precipitation that is filtered or being centrifuged off in crude oil are collected respectively；
（3）Crude oil and water, ethanol are sufficiently mixed, crude oil, water, the volume ratio of ethanol are 100：1:1, constantly rise in mixed process
High water temperature is to 70 DEG C, after persistently stirring 10min, stands, constantly takes the mixture of second alcohol and water away during standing, will be surplus
Remaining profit alcohol mixture adds in oil-water separator and carries out water-oil separating, collects the oil of separation, further heat drying is extremely
Water content obtains the first expressed oil after being less than 0.05%；
（4）The walnut slag is pulverized and sieved, is 1 with mass volume ratio:10 hot water mixing, di(2-ethylhexyl)phosphate is added into mixture
Hydrogen sodium, disodium hydrogen phosphate, sodium hydroxide, regulation mixture ph are 8.5, and alkali protease, enzyme are added in its backward mixture
After solving 0.5h, watery hydrochloric acid is added, after adjusting pH to 6.5,0.5h is stood, filters thereafter, collect liquid and residual residue；
（5）By step（4）The residual residue being collected into adds water washing and is ground to slurry, adds water, ethanol thereafter, then add
The water and the volume ratio of ethanol entered is 3:1,30min is mixed at 50 DEG C, liquid is collected by centrifugation thereafter, the speed of centrifugation is
6000rpm, that is, obtain the second expressed oil；
（6）Obtain squeezing walnut oil after first expressed oil and the second expressed oil are well mixed；
（7）The squeezing walnut oil is stood into 12h at -5 DEG C, is filtered through flame filter press after it, collects the walnut oil filtered out, will
It is added in refreshing bottle, and nitrogen is passed through into refreshing bottle, its post package, that is, obtains finished product.
Embodiment 2
（1）Take walnut kernel to be removed the peel after being soaked in the sodium acid carbonate that mass percentage concentration is 3%, dry；
（2）Walnut kernel after drying is squeezed by squeezer, the pressure of squeezing is 60MPa, squeeze to it is no longer fuel-displaced when,
The crude oil squeezed out and remaining walnut slag, and precipitation that is filtered or being centrifuged off in crude oil are collected respectively；
（3）Crude oil and water, ethanol are sufficiently mixed, crude oil, water, the volume ratio of ethanol are 200： 5:1, in mixed process constantly
Water temperature is raised to 80 DEG C, after persistently stirring 5min, stands, constantly takes the mixture of second alcohol and water away during standing, will
Remaining profit alcohol mixture adds in oil-water separator and carries out water-oil separating, collects the oil of separation, further heat drying
It is less than to water content after 0.05% and obtains the first expressed oil；
（4）The walnut slag is pulverized and sieved, is 1 with mass volume ratio:15 hot water mixing, di(2-ethylhexyl)phosphate is added into mixture
Hydrogen sodium, disodium hydrogen phosphate, sodium hydroxide, regulation mixture ph are 9.5, and alkali protease, enzyme are added in its backward mixture
After solving 1.5h, watery hydrochloric acid is added, after adjusting pH to 7.0,1h is stood, filters thereafter, collect liquid and residual residue；
（5）By step（4）The residual residue being collected into adds water washing and is ground to slurry, adds water, ethanol thereafter, then add
The water and the volume ratio of ethanol entered is 1:1,20min is mixed at 100 DEG C, liquid is collected by centrifugation thereafter, the speed of centrifugation is
12000rpm, that is, obtain the second expressed oil；
（6）Obtain squeezing walnut oil after first expressed oil and the second expressed oil are well mixed；
（7）The squeezing walnut oil is stood into 24h at 10 DEG C, is filtered through flame filter press after it, collects the walnut oil filtered out, will
It is added in refreshing bottle, and nitrogen is passed through into refreshing bottle, its post package, that is, obtains finished product.
Embodiment 3
（1）Take walnut kernel to be removed the peel after being soaked in the sodium acid carbonate that mass percentage concentration is 2.5%, dry；
（2）Walnut kernel after drying is squeezed by squeezer, the pressure of squeezing is 50MPa, squeeze to it is no longer fuel-displaced when,
The crude oil squeezed out and remaining walnut slag, and precipitation that is filtered or being centrifuged off in crude oil are collected respectively；
（3）Crude oil and water, ethanol are sufficiently mixed, crude oil, water, the volume ratio of ethanol are 150：4:1, constantly rise in mixed process
High water temperature is to 75 DEG C, after persistently stirring 8min, stands, constantly takes the mixture of second alcohol and water away during standing, will be surplus
Remaining profit alcohol mixture adds in oil-water separator and carries out water-oil separating, collects the oil of separation, further heat drying is extremely
Water content obtains the first expressed oil after being less than 0.05%；
（4）The walnut slag is pulverized and sieved, is 1 with mass volume ratio:12 hot water mixing, di(2-ethylhexyl)phosphate is added into mixture
Hydrogen sodium, disodium hydrogen phosphate, sodium hydroxide, regulation mixture ph are 9.0, and alkali protease, enzyme are added in its backward mixture
After solving 1h, watery hydrochloric acid is added, after adjusting pH to 7.0,1h is stood, filters thereafter, collect liquid and residual residue；
（5）By step（4）The residual residue being collected into adds water washing and is ground to slurry, adds water, ethanol thereafter, then add
The water and the volume ratio of ethanol entered is 2:1,25min is mixed at 80 DEG C, liquid is collected by centrifugation thereafter, the speed of centrifugation is
10000rpm, that is, obtain the second expressed oil；
（6）Obtain squeezing walnut oil after first expressed oil and the second expressed oil are well mixed；
（7）The squeezing walnut oil is stood into 15h at 0 DEG C, is filtered through flame filter press after it, collects the walnut oil filtered out, will
It is added in refreshing bottle, and nitrogen is passed through into refreshing bottle, its post package, that is, obtains finished product.
Embodiment 4
（1）Take walnut kernel to be removed the peel after being soaked in the sodium acid carbonate that mass percentage concentration is 2%, dry；
（2）Walnut kernel after drying is squeezed by squeezer, the pressure of squeezing is 50MPa, squeeze to it is no longer fuel-displaced when,
The crude oil squeezed out and remaining walnut slag, and precipitation that is filtered or being centrifuged off in crude oil are collected respectively；
（3）Crude oil and water, ethanol are sufficiently mixed, crude oil, water, the volume ratio of ethanol are 200： 5:1, in mixed process constantly
Water temperature is raised to 70 DEG C, after persistently stirring 10min, stands, constantly takes the mixture of second alcohol and water away during standing, will
Remaining profit alcohol mixture adds in oil-water separator and carries out water-oil separating, collects the oil of separation, then the oil that will be collected into
By multi stage precipitation, finally heated drying to water content obtains the first expressed oil after being less than 0.05%；
（4）The walnut slag is pulverized and sieved, is 1 with mass volume ratio:10 hot water mixing, di(2-ethylhexyl)phosphate is added into mixture
Hydrogen sodium, disodium hydrogen phosphate, sodium hydroxide, regulation mixture ph are 9.0, and alkali protease, enzyme are added in its backward mixture
After solving 1h, watery hydrochloric acid is added, after adjusting pH to 7.0,1h is stood, filters thereafter, collect liquid and residual residue；
（5）By step（4）The residual residue being collected into adds water washing and is ground to slurry, adds water, ethanol thereafter, then add
The water and the volume ratio of ethanol entered is 3:1,30min is mixed at 80 DEG C, liquid is collected by centrifugation thereafter, the speed of centrifugation is
12000rpm, by the liquid heat drying of collection, it is less than 0.05% to water content, that is, obtains the second expressed oil；
（6）Obtain squeezing walnut oil after first expressed oil and the second expressed oil are well mixed；
（7）The squeezing walnut oil is stood into 12h at -5 DEG C, is filtered through flame filter press after it, collects the walnut oil filtered out, will
It is added in refreshing bottle, and nitrogen is passed through into refreshing bottle, its post package, that is, obtains finished product.
Claims (9)
- A kind of 1. preparation method for squeezing walnut oil, it is characterised in that：Including procedure below：（1）Take walnut kernel to be removed the peel after being soaked in the sodium acid carbonate that mass percentage concentration is 2 ~ 3%, dry；（2）Walnut kernel after drying is squeezed by squeezer, collects the crude oil squeezed out and remaining walnut slag respectively, and Precipitation that is filtered or being centrifuged off in crude oil；（3）Crude oil and water, ethanol are sufficiently mixed, in mixed process constantly rise water temperature to 70 ~ 80 DEG C, persistently stir 5 ~ After 10min, stand, constantly take the mixture of second alcohol and water away during standing, remaining profit alcohol mixture is added Enter and water-oil separating is carried out in oil-water separator, collect the oil of separation, further heat drying to water content obtains after being less than 0.05% First expressed oil；（4）The walnut slag is pulverized and sieved, is 1 with mass volume ratio:10 ~ 15 hot water mixing, phosphorus is added into mixture Acid dihydride sodium, disodium hydrogen phosphate, sodium hydroxide, regulation mixture ph are 8.5 ~ 9.5, and alkaline egg is added in its backward mixture White enzyme, after digesting 0.5 ~ 1.5h, watery hydrochloric acid is added, after adjusting pH to 6.5 ~ 7.0, stand 0.5 ~ 1h, filter thereafter, collect liquid And residual residue；（5）By step（4）The residual residue being collected into adds water washing and is ground to slurry, adds water, ethanol thereafter, in 20 ~ 30min is mixed at 50 ~ 100 DEG C, liquid, as the second expressed oil are collected by centrifugation thereafter；（6）The squeezing walnut oil is obtained after first expressed oil and the second expressed oil are well mixed.
- 2. the preparation method of squeezing walnut oil according to claim 1, it is characterised in that：The step（2）In squeezing Pressure be 40 ~ 60MPa.
- 3. the preparation method of squeezing walnut oil according to claim 1, it is characterised in that：The step（5）Middle centrifugation Speed is 6000 ~ 12000rpm.
- 4. the preparation method of squeezing walnut oil according to claim 1, it is characterised in that：The step（5）In add Water and ethanol volume ratio be 3 ~ 1:1.
- 5. the preparation method of squeezing walnut oil according to claim 1, it is characterised in that：The step（3）Middle crude oil, Water, the volume ratio of ethanol are 100 ~ 200：1~5:1.
- 6. the preparation method of squeezing walnut oil according to claim 1, it is characterised in that：The step（3）Middle collect is divided From oil after also include the process of multi stage precipitation.
- 7. the preparation method of squeezing walnut oil according to claim 1, it is characterised in that：The step（5）It is collected by centrifugation Also include the process of heat drying after liquid.
- 8. the fresh-keeping side for the walnut oil that the preparation method of the squeezing walnut oil according to any one of claim 1 ~ 7 is prepared Method, it is characterised in that：Including procedure below；Described（6）After squeezing walnut oil is made, the squeezing walnut oil is stood at -5 ~ 10 DEG C, through plate-frame filtering after it Machine filters, and collects the walnut oil filtered out, is added into refreshing bottle, nitrogen is passed through into refreshing bottle, its post package.
- 9. preservation method according to claim 8, it is characterised in that：What the squeezing walnut oil was stood at -5 ~ 10 DEG C Time is 12 ~ 24h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278177.8A CN107868698A (en) | 2017-12-06 | 2017-12-06 | A kind of preparation for squeezing walnut oil and its preservation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278177.8A CN107868698A (en) | 2017-12-06 | 2017-12-06 | A kind of preparation for squeezing walnut oil and its preservation method |
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| Publication Number | Publication Date |
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| CN107868698A true CN107868698A (en) | 2018-04-03 |
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| CN201711278177.8A Withdrawn CN107868698A (en) | 2017-12-06 | 2017-12-06 | A kind of preparation for squeezing walnut oil and its preservation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093204A (en) * | 2019-05-14 | 2019-08-06 | 绵阳德生皇食品有限责任公司 | A kind of preparation method of giving off a strong fragrance walnut oil |
| CN112625790A (en) * | 2020-10-13 | 2021-04-09 | 四川农业大学 | Method for producing walnut oil by squeezing belt shell |
-
2017
- 2017-12-06 CN CN201711278177.8A patent/CN107868698A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093204A (en) * | 2019-05-14 | 2019-08-06 | 绵阳德生皇食品有限责任公司 | A kind of preparation method of giving off a strong fragrance walnut oil |
| CN112625790A (en) * | 2020-10-13 | 2021-04-09 | 四川农业大学 | Method for producing walnut oil by squeezing belt shell |
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Application publication date: 20180403 |