CN101849586B - Method for squeezing and extracting wheat-germ oil at low temperature - Google Patents
Method for squeezing and extracting wheat-germ oil at low temperature Download PDFInfo
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- CN101849586B CN101849586B CN2010101833052A CN201010183305A CN101849586B CN 101849586 B CN101849586 B CN 101849586B CN 2010101833052 A CN2010101833052 A CN 2010101833052A CN 201010183305 A CN201010183305 A CN 201010183305A CN 101849586 B CN101849586 B CN 101849586B
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Abstract
The invention discloses a method for squeezing and extracting wheat-germ oil at a low temperature, which comprises the following steps of: removing flour and bran from fresh wheat germs with a sorting machine until the purity of the wheat germs reaches 99 percent; softening and sterilizing the wheat germs; adding the wheat germs into an oil press to automatically squeeze oil; washing with water, namely adding the crude oil after being filtered into an oil refining kettle, indirectly heating the oil to 75 DEG C, starting to stir at a rotation speed of 20 to 40rpm, adding 5 percent hot water of which the temperature is 85 DEG C through a sprayer, stopping stirring 5 minutes later, and after standing the oil for 2 hours, discharging water and the precipitate; drying under vacuum, namely drying under vacuum when the temperature of the oil reaches 75 DEG C so as to reduce the water content to 0.05 percent; and performing refining filtration, namely, performing cold water circulation on the germ oil to reduce the temperature to 30 DEG C, and filtering the germ oil with a 400-mesh sieve to remove suspended matters and impurities. The method has the advantages of obtaining natural full-cream wheat-germ oil, along with low cost, low requirements on production, simple process, massive popularization, low nutrition ingredient loss and no chemical solvent residue.
Description
Technical field
This patent relates to a kind of wheat-germ oil cold pressing method for distilling.
Background technology
Wheat-germ oil is the highly nourishing health care article that common people generally acknowledge, have the good reputation of " liquid golden ", " long-lived vitamin treasure-house ".Wherein oleic acid, linoleic acid, linolenic acid content be up to more than 80%, contains natural VE and be first of the various greases, has anti-oxidant, anti-ageing, prevention three height, enhancing human immune.Wheat embryo is called as " human body natural nutrition storehouse ", rich in protein, and the amino acid overall balance, and be easy to absorption of human body, be good high-quality complete protein nutrient source.
Existing method for extracting wheat embryo oil can be divided into: lixiviation process, supercritical CO
2Extraction, enzymatic isolation method.Lixiviation process exists chemical solvent residual; Supercritical CO
2The extraction cost of investment is big, and working condition requires high; The enzymatic isolation method complex process is difficult to large-scale promotion.And above several method all can not obtain the whole wheat-germ oil of pure natural, and nutrient loss is big; Wheat germ after the degreasing can only be as feedstuff.
Therefore, but need provide in wheat-germ oil extracts that a kind of cost is low, production requirement is low, technology is simple and large-scale promotion, little, the no chemical solvent of nutrient loss is residual and can obtain the pressing method of pure natural whole wheat-germ oil.
Summary of the invention
The present invention aims to provide that a kind of cost is low, production requirement is low, technology is simple and but large-scale promotion, little, the no chemical solvent of nutrient loss is residual and can obtain the wheat-germ oil cold pressing method for distilling of pure natural whole wheat-germ oil, to solve the problem that exists in the method for extracting wheat embryo oil commonly used now.
Goal of the invention of the present invention realizes through following technical proposals:
A kind of wheat-germ oil cold pressing method for distilling may further comprise the steps:
Fresh wheat germ is removed flour, wheat bran in the wheat germ through separator, and purity reaches 99%;
With the softening sterilization treatment of wheat germ, wheat germ to be steamed in softening kettle 25-35 minute, mixing speed is controlled at 20 rev/mins, and temperature is controlled at 75～80 ℃; The wheat germ molecule is expanded, increases plasticity, stop steam after; Continue training and fry, when wheat germ moisture reduces to 10%, can go into to press;
The wheat germ oil press of packing into is extracted oil automatically, wherein, behind the oil press dress embryo, press oil press operation button; Oil press promptly gets into automatic running status, and micro computer is according to setting pressure, and automatic substep completion is boosted, ftercompction; After reaching the highest setting pressure, pick up counting, during after pressure reduces; Automatically ftercompction is to maximum pressure, and after 1 hour, oil expression is accomplished.Gradable in the expressing process is oil expression just, stage casing oil, three ranks of road, back oil.
Washing, with the oil refining still of packing into of the crude oil after filtering, indirect to 75 ℃ begins to stir, rotating speed 20-40 rev/min, add 85 ℃ of hot water of 5% through shower nozzle, stop after 5 minutes stirring, leave standstill 2 hours after, emit water and sediment;
Vacuum drying, when oily temperature reached 75 ℃, vacuum drying was so that moisture reduces to 0.05%;
Smart filter is cooled to 30 ℃ with the circulation of embryo oil cold water, filters through 400 orders, removes suspension and impurity.
The invention has the beneficial effects as follows: but the invention provides that a kind of cost is low, production requirement is low, technology is simple and large-scale promotion, little, the no chemical solvent of nutrient loss is residual and can obtain the pressing method of pure natural whole wheat-germ oil; Overcome the shortcoming of existing method for distilling; Invest little; Need not refining, it is residual not contain any chemical solvent, guarantees that to greatest extent the wheat-germ oil nutritional labeling does not run off.Through national grain oil quality supervision and inspection center, Beijing City Nutrient Source Inst repeated detection check, unrighted acid and obtains national industrial products production licence more than 80% in the wheat-germ oil.Defatted wheat germ behind cold pressing, protein content reaches more than 30%, and is rich in multiple nutritional components such as six big nutrients, 18 seed amino acids, folic acid, vitamin, and contains calcium, 10 several mineral materials such as iron, zinc, selenium, potassium.Can do the multiple nutrients health food.
Description of drawings
Fig. 1 is the FB(flow block) of wheat-germ oil cold pressing method for distilling according to the invention.
The specific embodiment
Below in conjunction with Fig. 1 and concrete embodiment the present invention is further described.
A kind of wheat-germ oil cold pressing method for distilling may further comprise the steps:
Fresh wheat germ is removed flour, wheat bran in the wheat germ through separator, and purity reaches 99%;
Softening sterilization treatment was steamed wheat germ 25-35 minute in softening kettle, mixing speed is controlled at 20 rev/mins, and temperature is controlled at 75～80 ℃; The wheat germ molecule is expanded, increases plasticity, stop steam after; Continue training and fry, when wheat germ moisture reduces to 10%, can go into to press.
Automatically oil expression: behind the oil press dress embryo, press oil press operation button, oil press promptly gets into automatic running status; Micro computer is according to setting pressure, and automatic substep completion is boosted, ftercompction, after reaching the highest setting pressure; Pick up counting, during after pressure reduces, ftercompction is to maximum pressure automatically; After 1 hour, oil expression is accomplished.Gradable in the expressing process is oil expression just, stage casing oil, three ranks of road, back oil.
Washing: the oil refining still of packing into of the crude oil after will filtering, indirect to 75 ℃ begins to stir, rotating speed 20-40 rev/min, add 85 ℃ of hot water of 5% through shower nozzle, stop stirring after 5 minutes, leave standstill 2 hours after, emit water and sediment.
Vacuum drying: when oily temperature reaches 75 ℃, vacuum drying, moisture reduces to 0.05%.
Smart filter: the circulation of embryo oil cold water is cooled to 30 ℃, filters through 400 orders, removes suspension and impurity, can obtain pure wheat-germ oil.
Method of the present invention is reliable and stable, and energy consumption is low, and oil yield is up to 4.5-6.5%, and the cake residual oil content is at 5-6%.Its oleic acid, linoleic acid, linolenic acid content be up to 80%, and oleic acid on the market, linoleic acid, linolenic acid content are less than 70%.
In one embodiment, in the wheat-germ oil that obtains according to the method for the invention, its part composition content is following: palmitic acid 16.4%; Stearic acid 0.5%, oleic acid 15.4%, linoleic acid 58.9%; Alpha-linolenic acid 6.44%, arachidic acid 0.2%, peanut monoenoic acid 1.4%; Peanut dienoic acid 0.1%, E 265mg/100g supports one's family.
Though the present invention has combined to be considered at present the most practical and preferred embodiment is described; But should understand; The invention is not restricted to the disclosed embodiments, but opposite, be intended to cover the spirit and interior various improvement and the equivalent arrangements of scope that are included in accompanying claims.
Claims (2)
1. wheat-germ oil cold pressing method for distilling may further comprise the steps:
Fresh wheat germ is removed flour, wheat bran in the wheat germ through separator, and purity reaches 99%;
With the softening sterilization treatment of wheat germ;
The wheat germ oil press of packing into is extracted oil automatically;
Washing, with the oil refining still of packing into of the crude oil after filtering, indirect to 75 ℃ begins to stir, rotating speed 20-40 rev/min, add 85 ℃ of hot water of 5% through shower nozzle, stop after 5 minutes stirring, leave standstill 2 hours after, emit water and sediment;
Vacuum drying, when oily temperature reaches 75 ℃, vacuum drying, so that moisture reduces to 0.05%,
Smart filter is cooled to 30 ℃ with the circulation of embryo oil cold water, filters through 400 orders, removes suspension and impurity,
Wherein, said softening sterilization treatment comprises: wheat germ was steamed in softening kettle 25-35 minute, and mixing speed is controlled at 20 rev/mins; Temperature is controlled at 75～80 ℃, and the wheat germ molecule is expanded, and increases plasticity; After stopping steam; Continue roasting and fry, when wheat germ moisture reduces to 10%, can the wheat germ oil press of packing into be extracted oil automatically.
2. a wheat-germ oil cold pressing method for distilling described in claim 1 is characterized in that: behind the oil press dress embryo, press oil press operation button; Oil press promptly gets into automatic running status, and micro computer is according to setting pressure, and automatic substep completion is boosted, ftercompction; After reaching the highest setting pressure, pick up counting, during after pressure reduces; Automatically ftercompction is to maximum pressure, and after 1 hour, oil expression is accomplished.
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| CN2010101833052A CN101849586B (en) | 2010-05-26 | 2010-05-26 | Method for squeezing and extracting wheat-germ oil at low temperature |
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| CN2010101833052A CN101849586B (en) | 2010-05-26 | 2010-05-26 | Method for squeezing and extracting wheat-germ oil at low temperature |
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| CN101849586B true CN101849586B (en) | 2012-09-26 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102210353B (en) * | 2011-05-31 | 2012-12-05 | 邯郸市天养生物科技有限公司 | Method for maintaining activity of trophic factors of edible oil and fat and absorption rate of pregnant women and infants |
| CN102816635A (en) * | 2012-09-06 | 2012-12-12 | 神池县富渊土特产品开发有限公司 | Squeezing production method of flax seed oil |
| CN104560366A (en) * | 2013-10-17 | 2015-04-29 | 江西赣岭茶油开发有限公司 | Hydraulic and cold pressing method for preparing non-refined original-flavor tea oil |
| CN105482891A (en) * | 2015-09-30 | 2016-04-13 | 东明县益康源食品有限公司 | Preparation method for selenium-rich wheat germ oil |
| CN108179055A (en) * | 2016-12-08 | 2018-06-19 | 白熙顺 | The manufacturing method of nut fruits essential oil and the nut fruits essential oil being made with this |
| CN115109640A (en) * | 2021-03-18 | 2022-09-27 | 山东友康天然植物科技有限公司 | Low-temperature squeezing extraction method of wheat germ oil |
Citations (4)
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|---|---|---|---|---|
| CN101099516A (en) * | 2007-07-25 | 2008-01-09 | 东北农业大学 | Method for extracting whole wheat-germ oil |
| CN101260343A (en) * | 2008-04-24 | 2008-09-10 | 杨宝侠 | Method for extracting wheat embryo oil |
| CN101522876A (en) * | 2006-08-29 | 2009-09-02 | 开放股份公司基奥得生态工程生态食品工厂 | Wheat-germ oil concentrate, a method for the production thereof, a method for producing wheat-germ oil and a medicinal and prophylactic composition based thereon and used for treating sexual dysfuncti |
| CN101602980A (en) * | 2009-06-26 | 2009-12-16 | 青岛海隆达生物科技有限公司 | A kind of low-temperature refining method of raisin seed oil |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS58166941A (en) * | 1982-03-29 | 1983-10-03 | 白麦米株式会社 | Polished press wheat with germ, method and apparatus for producing same |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101522876A (en) * | 2006-08-29 | 2009-09-02 | 开放股份公司基奥得生态工程生态食品工厂 | Wheat-germ oil concentrate, a method for the production thereof, a method for producing wheat-germ oil and a medicinal and prophylactic composition based thereon and used for treating sexual dysfuncti |
| CN101099516A (en) * | 2007-07-25 | 2008-01-09 | 东北农业大学 | Method for extracting whole wheat-germ oil |
| CN101260343A (en) * | 2008-04-24 | 2008-09-10 | 杨宝侠 | Method for extracting wheat embryo oil |
| CN101602980A (en) * | 2009-06-26 | 2009-12-16 | 青岛海隆达生物科技有限公司 | A kind of low-temperature refining method of raisin seed oil |
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