CN107177417A - A kind of method that sterol depickling is added in soybean oil - Google Patents
A kind of method that sterol depickling is added in soybean oil Download PDFInfo
- Publication number
- CN107177417A CN107177417A CN201710283121.5A CN201710283121A CN107177417A CN 107177417 A CN107177417 A CN 107177417A CN 201710283121 A CN201710283121 A CN 201710283121A CN 107177417 A CN107177417 A CN 107177417A
- Authority
- CN
- China
- Prior art keywords
- sterol
- soybean oil
- added
- depickling
- free fatty
- 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
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Classifications
-
- 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
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/003—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fatty acids with alcohols
Abstract
The present invention provides a kind of method that sterol depickling is added in soybean oil.Sterol is added in soybean oil, in the presence of lipase, sterol is carried out enzyme process esterification deacidification with free fatty, the use of chemical reagent is reduced, reduction soybean oil acid value is to 1.540mgKOH/g, while avoiding environmental pollution.Because sterol generally exists with crystal form, water insoluble and in oil phase solubility is also fairly limited, and the converted product sterol ester of sterol substantially improves the fat-soluble of sterol.And the phytosterin ester that sterol is generated after being esterified with free fatty has the functions such as reducing blood lipid, can improve the nutritive value of soybean oil.
Description
Technical field
The present invention relates to a kind of method of soybean oil refinement, and in particular to the side of sterol depickling is added in a kind of soybean oil
Method.
Background technology
Crude oil of soybean, which need to carry out refining, to be eaten, typically will be by processes such as degumming, depickling, dewaxing, decolouring, deodorizations.
Depickling is to remove the free fatty in grease.Conventional acid stripping method has chemical deacidification i.e. alkali-refining deacidification, physical deacidification, solvent
Extract depickling etc..Alkali practices depickling and makes neutral oil that saponification occur in the presence of alkali and then can cause the loss of neutral grease,
And the acidification of soap stock can also be polluted to environment.Physical deacidification, because the method temperature is higher, can cause grease secondary anti-
The generation answered and unsuitable thermal sensitivity grease, and pre-treatment of the physical deacidification to grease requires higher, is obtained after otherwise refining
Color with oil color is deeper, it is difficult to further decolorization.It is excessive to there is solvent usage amount in solvent extract deacidification, and recovery difficult is big,
The problems such as being lost big.And the enzyme process depickling selectivity good because lipase has, thus reaction efficiency is high, lipase thus it is anti-
Answer accessory substance few, the easily separated purification of product, and it is more obvious for high its advantage of acid value grease；Secondly, enzyme process depickling reaction bar
Part is gentle, therefore will not destroy micro-nutrient composition；With it is environmentally friendly free from environmental pollution the features such as.
Phytosterol is also known as phytosterol, is a kind of active component in plant, is widely present in each vegetable oil, is
The main component of grease unsaponifiable matter.Phytosterol is a kind of material with physiologically active, and such as norcholesterol effect, anticancer are made
With, parahormone function, antiinflammatory action, immunoregulation effect, regulation growth and antivirus action etc..Therefore, phytosterol
And its product is widely deployed in every field such as medicine, food, cosmetics.China is grease production and consumption big country, is planted
Thing Exploitation of Sterol Resources is extremely enriched, and nearly 1000 tons of phytosterol is only just contained in the deodorization distillate of oil and fat refining.But compared to state
Outside, seldom, most of phytosterol is all used for the synthesis material as chemical industry to the phytosterol Related product of China, cheap
And utilization rate is poor, China's phytosterol market is extensive and has a high potential, therefore meaning is developed and utilized to phytosterol
It is great.
Sterol ester is usually to be made by sterol with aliphatic acid by esterification or transesterification, due to sterol it is usual with
Crystal form is present, and water insoluble and in oil phase solubility is also fairly limited, and the converted product sterol ester of sterol changes significantly
It has been apt to the fat-soluble of sterol.Sterol ester can be widely applied to margarine as the hypolipemic function factor, apply oil and ice cream
Product in, while the use of emulsifying agent can be reduced.Sterol ester can be added in most of food to improve nutritive value, and
The original texture of food is not influenceed again, and this just expands the application of sterol ester significantly.
The content of the invention
Sterol is added in soybean oil by the present invention, in the presence of lipase, sterol is carried out enzyme with free fatty
Method esterification deacidification, while reduction soybean oil acid value, it is to avoid environmental pollution.And sterol after free fatty esterification with generating
Phytosterin ester there is the functions such as reducing blood lipid, the nutritive value of soybean oil can be improved.The present invention is in order to solve existingization
The problems such as learning the environmental pollution that depickling and physical deacidification are brought, and propose a kind of side for adding sterol enzyme process esterification deacidification
Method.
Embodiment one：Step one：Accurately 100mL soybean oils are weighed in beaker, Novozym435 lipase
Addition be 1% (w/w), mass fraction be 10% phytosterol, the reaction time be 10,20,30,40,50h, reaction temperature
For 55,65,75,85,95 DEG C, mixing speed is 0,50,100,150,200rpm.
Embodiment two：When the difference of present embodiment and embodiment one is the reaction in step one
Between for 20,30,40h, other steps are identical with embodiment one.
Embodiment three：Difference of the present embodiment from embodiment one is the reaction temperature in step one
Spend for 65,75,85 DEG C, other steps are identical with embodiment one.
Embodiment four：Difference of the present embodiment from embodiment one is the stirring speed in step one
Spend for 50,100,150rpm, other steps are identical with embodiment one.
Claims (4)
1. the method for sterol depickling is added in a kind of soybean oil, it is characterised in that sterol is added in soybean oil with dissociating in oil
The method and step that aliphatic acid carries out esterification deacidification is as follows：
Step one：100mL soybean oils accurately are weighed in beaker, and the addition of Novozym435 lipase is 1% (w/w), matter
Measure the phytosterol that fraction is 10%, the reaction time is 10,20,30,40,50h, reaction temperature is 55,65,75,85,95 DEG C,
Mixing speed be 0,50,100,150,200rpm.
2. the method for sterol depickling is added in a kind of soybean oil according to claim 1, it is characterised in that in step one
Reaction time be 20,30,40h.
3. the method for sterol depickling is added in a kind of soybean oil according to claim 1, it is characterised in that in step one
Reaction temperature is 65,75,85 DEG C.
4. the method for sterol depickling is added in a kind of soybean oil according to claim 1, it is characterised in that in step one
Mixing speed be 50,100,150rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283121.5A CN107177417A (en) | 2017-04-26 | 2017-04-26 | A kind of method that sterol depickling is added in soybean oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283121.5A CN107177417A (en) | 2017-04-26 | 2017-04-26 | A kind of method that sterol depickling is added in soybean oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107177417A true CN107177417A (en) | 2017-09-19 |
Family
ID=59831857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710283121.5A Pending CN107177417A (en) | 2017-04-26 | 2017-04-26 | A kind of method that sterol depickling is added in soybean oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107177417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108048212A (en) * | 2017-12-08 | 2018-05-18 | 东北农业大学 | A kind of method of phosphatidase degumming depickling synchronous with lipase |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104178531A (en) * | 2014-08-23 | 2014-12-03 | 中国农业科学院油料作物研究所 | Method for producing functional grease containing rich phytosterin ester from high-acid-value vegetable oil |
| CN105360352A (en) * | 2015-10-13 | 2016-03-02 | 东北农业大学 | Method for preparing soybean oil rich in natural plant sterol ester |
-
2017
- 2017-04-26 CN CN201710283121.5A patent/CN107177417A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104178531A (en) * | 2014-08-23 | 2014-12-03 | 中国农业科学院油料作物研究所 | Method for producing functional grease containing rich phytosterin ester from high-acid-value vegetable oil |
| CN105360352A (en) * | 2015-10-13 | 2016-03-02 | 东北农业大学 | Method for preparing soybean oil rich in natural plant sterol ester |
Non-Patent Citations (1)
| Title |
|---|
| 王腾宇，等: ""响应面法优化生物酶法合成植物甾醇酯"", 《食品科学》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108048212A (en) * | 2017-12-08 | 2018-05-18 | 东北农业大学 | A kind of method of phosphatidase degumming depickling synchronous with lipase |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170919 |
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| WD01 | Invention patent application deemed withdrawn after publication |