CN101260343A - Method for extracting wheat embryo oil - Google Patents
Method for extracting wheat embryo oil Download PDFInfo
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- CN101260343A CN101260343A CNA200810104845XA CN200810104845A CN101260343A CN 101260343 A CN101260343 A CN 101260343A CN A200810104845X A CNA200810104845X A CN A200810104845XA CN 200810104845 A CN200810104845 A CN 200810104845A CN 101260343 A CN101260343 A CN 101260343A
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- wheat germ
- wheatgerm
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Abstract
The invention relates to a wheat germ oil extraction method which aims to solve the problems that the prior wheat germ oil extraction method has complicated process, low oil yield and residual solvent. The invention orderly comprises the following steps that: bran and flour mixed in the wheat germ raw material are sieved, and are heated to 120 to 130 DEG C to be plunged into an oil press preheated to the temperature more than or equal to 80 DEG C to extract. The sieving is that the wheat germ raw material is heated to 60 to 80 DEG C to sieve, and the heating is that the bran and flour are heated to 120 to 130 DEG C within 20 minutes. The water content of the wheat germ plunged into the oil press is less than 2.5 percent, the temperature of the oil press when the formal oil pressing is begun is 120 DEG C, and the heating mode is steaming and stir-frying. The wheat germ oil extraction method has the advantages of simplicity, convenience, easy operation, high oil yield, quick oil output speed, high vitamin E content in the extracted oil, good odor, no residual solvent, and direct eating after the fine filtration.
Description
Technical field
The present invention relates to a kind of vegetable oil extraction method, particularly relate to a kind of method for extracting wheat embryo oil.
Background technology
Wheatgerm oil has the laudatory title of " liquid golden ", and wheatgerm oil is because contain abundant unsaturated fatty acids, and wherein oleic acid, linoleic acid content be up to 70%, and this is needed by human and the nutrition that can only take in from the external world.Also contain natural VE, content occupies first of the various greases, this make it have antisterility, anti-ageing, promote human body metabolism, physical strength reinforcing and memory, are prevented and treated arteriosclerosis at reducing cholesterol, improve blood circulation, strengthen the function of body immunity; So wheatgerm oil becomes one of welcome vegetables oil that is subjected to object most.But fat content is considerably less in the wheatgerm, and 2 tons of wheats just extract 1 kilogram of wheatgerm oil, so wheatgerm oil is very smart expensive.The extraction difficulty of wheatgerm oil is big, extraction process cost height, and oil yield is also lower; At present, the solvent extraction method that wheatgerm oil is commonly used obviously exists in complex process, the processed oil dissolvent residual, and the natural flavor composition is difficult for keeping and the low problem of oil yield.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective of prior art, a kind of dissolvent residual that do not have is provided, and the high method for extracting wheat embryo oil of oil yield.
For achieving the above object, method for extracting wheat embryo oil of the present invention in turn includes the following steps: sieve out the wheat bran and the flour that are mingled with in the wheatgerm raw material, be heated to 120-130 ℃ of input be preheating to 〉=open press for extracting juice in 80 ℃ the crusher.So design is sieved out the wheat bran and the flour that are mingled with in the wheatgerm raw material and can directly be improved wheatgerm purity, can also reduce wheat bran and flour and carry Residual oil quantity secretly, thereby improve oil yield." be heated to 120-130 ℃ ", can improve the compressible performance of wheatgerm cake on the one hand, help degree of depth squeezing, improve oil yield; On the other hand, help reducing the wheatgerm oil viscosity, increase flowing property, help improving the solubility rate that speed oil and improve vitamin-E; If existing person's temperature further improves again, the problem of compressible reduction will appear.Input is preheating to 〉=open the heat that press for extracting juice can prevent the crusher taken in excess wheatgerm raw material that temperature is low excessively in 80 ℃ the crusher, and it is fuel-displaced to make the wheatgerm material temperature cross the normal squeezing of low influence.Therefore, it has and does not have dissolvent residual, and the oil yield height, the content of vitamin E height, smell is good, direct-edible after essence filter, advantage.
As optimization, screening is the wheatgerm raw material to be heated to 60-80 ℃ sieve again, and above-mentioned heating is to 120-130 ℃ at 20 minutes internal heating.So design, " the wheatgerm raw material is heated to 60-80 ℃ and sieves " help to improve screening efficiency and easier realization wheat bran and flour screening." heating is to 120-130 ℃ at 20 minutes internal heating " is because long-time heating makes the wheatgerm sex change, the more difficult squeezing that becomes, fuel-displaced change difficulty easily; In addition, the short period of time heating also helps and reduces wheatgerm oil deterioration by oxidation and the rotten chance of other useful composition.
As optimization, put into wheatgerm moisture content＜2.5% in the crusher, the crusher temperature when formally extracting oil is 120 ℃, described type of heating is fried for steaming.So design, control " putting into wheatgerm moisture content＜2.5% in the crusher " and " the crusher temperature when formally extracting oil is 120 ℃ " then helps improving speed oil and oil yield.
After adopting technique scheme, method for extracting wheat embryo oil of the present invention has simple and easy to do, the oil yield height, and it is fast to go out speed oil, the Oleovitamin E content height of extraction, smell is good, does not have dissolvent residual, direct-edible advantage after the essence filter.
Embodiment
Illustrate further below in conjunction with specific examples
Embodiment one, method for extracting wheat embryo oil of the present invention in turn includes the following steps: sieve out the wheat bran and the flour that are mingled with in the wheatgerm raw material, be heated to 120-130 ℃ of input be preheating to 〉=open press for extracting juice in 80 ℃ the crusher, the crusher temperature when formally extracting oil is 120 ℃.Oil yield is at 3.5-5%.Described type of heating preferably steams stir-fry.
Embodiment two, method for extracting wheat embryo oil of the present invention in turn includes the following steps: earlier the wheatgerm raw material is heated to 60-80 ℃ and rescreens and tell wheat bran and the flour that is mingled with in the wheatgerm raw material, be preheating to 20 minutes internal heating to 120-130 ℃ of inputs 〉=open press for extracting juice in 80 ℃ the crusher, the crusher temperature when formally extracting oil is 120 ℃.Put in the crusher the wheatgerm moisture content also should＜2.5%.Oil yield is at 3.5-5%.Described type of heating preferably steams stir-fry.
Claims (3)
1, a kind of method for extracting wheat embryo oil is characterized in that in turn including the following steps: sieve out the wheat bran and the flour that are mingled with in the wheatgerm raw material, be heated to 120-130 ℃ of input be preheating to 〉=open press for extracting juice in 80 ℃ the crusher.
2, according to the described method for extracting wheat embryo oil of claim 1, it is characterized in that screening is the wheatgerm raw material to be heated to 60-80 ℃ sieve again, above-mentioned heating is to 120-130 ℃ at 20 minutes internal heating.
3, according to claim 1 or 2 described method for extracting wheat embryo oil, it is characterized in that putting into wheatgerm moisture content＜2.5% in the crusher, the crusher temperature when formally extracting oil is 120 ℃, and described type of heating is fried for steaming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810104845XA CN101260343B (en) | 2008-04-24 | 2008-04-24 | Method for extracting wheat embryo oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810104845XA CN101260343B (en) | 2008-04-24 | 2008-04-24 | Method for extracting wheat embryo oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101260343A true CN101260343A (en) | 2008-09-10 |
| CN101260343B CN101260343B (en) | 2010-10-13 |
Family
ID=39961043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810104845XA Expired - Fee Related CN101260343B (en) | 2008-04-24 | 2008-04-24 | Method for extracting wheat embryo oil |
Country Status (1)
| Country | Link |
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| CN (1) | CN101260343B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101849586A (en) * | 2010-05-26 | 2010-10-06 | 张培祥 | Method for squeezing and extracting wheat-germ oil at low temperature |
| CN103436355A (en) * | 2013-08-17 | 2013-12-11 | 许昌维尔康植物油有限公司 | Preparation method of warm-pressed plant oil |
| CN103881802A (en) * | 2014-04-09 | 2014-06-25 | 杨凌飘香食用油脂有限公司 | Method for extracting black wheat germ oil |
| CN103937605A (en) * | 2014-05-05 | 2014-07-23 | 陕西杨凌佳美生物科技有限公司 | Extraction method of wheat germ oil |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030397C (en) * | 1991-05-23 | 1995-11-29 | 中国科学院广州化学研究所 | Method for extracting and refining wheat-germ oil by supercritical (or liquid) carbon dioxide |
| CN1046133C (en) * | 1996-02-15 | 1999-11-03 | 周思澈 | Preparation method of purple perilla fruit oil |
| CN1206333C (en) * | 2003-05-28 | 2005-06-15 | 张瑾 | Method for producing colza oil without colloid |
| CN101099516A (en) * | 2007-07-25 | 2008-01-09 | 东北农业大学 | Method for extracting whole wheat-germ oil |
-
2008
- 2008-04-24 CN CN200810104845XA patent/CN101260343B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101849586A (en) * | 2010-05-26 | 2010-10-06 | 张培祥 | Method for squeezing and extracting wheat-germ oil at low temperature |
| CN101849586B (en) * | 2010-05-26 | 2012-09-26 | 张培祥 | Method for squeezing and extracting wheat-germ oil at low temperature |
| CN103436355A (en) * | 2013-08-17 | 2013-12-11 | 许昌维尔康植物油有限公司 | Preparation method of warm-pressed plant oil |
| CN103881802A (en) * | 2014-04-09 | 2014-06-25 | 杨凌飘香食用油脂有限公司 | Method for extracting black wheat germ oil |
| CN103881802B (en) * | 2014-04-09 | 2016-03-30 | 杨凌飘香食用油脂有限公司 | A kind of extracting method of triticale germ oil |
| CN103937605A (en) * | 2014-05-05 | 2014-07-23 | 陕西杨凌佳美生物科技有限公司 | Extraction method of wheat germ oil |
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| Publication number | Publication date |
|---|---|
| CN101260343B (en) | 2010-10-13 |
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Granted publication date: 20101013 Termination date: 20130424 |