CN102942989A - Rapeseed oil production process - Google Patents
Rapeseed oil production process Download PDFInfo
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- CN102942989A CN102942989A CN2012104094009A CN201210409400A CN102942989A CN 102942989 A CN102942989 A CN 102942989A CN 2012104094009 A CN2012104094009 A CN 2012104094009A CN 201210409400 A CN201210409400 A CN 201210409400A CN 102942989 A CN102942989 A CN 102942989A
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Abstract
The present invention discloses a rapeseed oil production process, wherein rapeseed is subjected to impurity removing through a cleaning sieve, and then is subjected to a freezing treatment to carry out wall breaking so as to easily achieve oil leaching. According to the present invention, a levigation process is adopted, and decoloration adopts a specially-treated absorbent; processes of freezing and heating are sequentially performed, such that wall breaking of rapeseed cells is easily achieved, and an oil yield of the production process of the present invention is increased, and is increased by 5-8% compared with an oil yield of the conventional pressing method; and the levigation process is adopted to take oil, such that no pollution is generated, oil product purity is ensured, a pure nature characteristic is provided, and green food requirements are met.
Description
Technical field
The present invention relates to the rapeseed oil production field,, exactly be a kind of rapeseed oil production technique.
Background technology
Rapeseed oil is commonly called as rape oil, is again caraway oil, is the liquid that presses the transparent or semitransparent shape of gained with Semen Brassicae campestris, it is one of main edible oil of China, and main product is in the Yangtze valley and the ground such as southwest, northwest, and output occupies first place in the world, human body is very high to the specific absorption of rapeseed oil, can reach 99%.Therefore the nutritive ingredients such as the unsaturated fatty acids such as its contained linolic acid and vitamin-E can be absorbed by body well, have certain vessel softening, the effect that delays senility.Existing rapeseed oil adopts and fries rear squeezing, perhaps adopts the organic solvent lixiviate, perhaps adopts the methods such as supercritical extraction, the problem such as all have in various degree organic solvent pollution, oil yield is not high, Toxic is residual.
Summary of the invention
The purpose of this invention is to provide a kind of gained rapeseed oil high purity, free of contamination rapeseed oil production technique.
Above-mentioned purpose realizes by following scheme:
A kind of production technique of rapeseed oil is characterized in that: may further comprise the steps:
(1), Semen Brassicae campestris is clean clearly, dry to water content 5-8%;
(2), be sent in the freezer refrigeration 16-18 hour, temperature of ice house is-25--20 ℃; After the taking-up, be sent to oven dry in the tunnel type drying room, the baking room temperature is 50-60 ℃, and the time is 5-6 hour; Repeated multiple times;
(3), Semen Brassicae campestris added water grind, add the salt of 0.3-0.5% in the water, the preliminary grinding rapeseed oil is isolated in the profit layering;
(4), isolated Semen Brassicae campestris slag, wash with water repeatedly, incorporate in step (3) defibrination, carry out the profit layering;
(5), the Semen Brassicae campestris slag after the washing, dry to water content 15-18% under 50-60 ℃, sneak into the rapeseed hull 10-20 order meal that is equivalent to Semen Brassicae campestris slag weight 3-5%, enter and obtain just pressing crude oil and seedcake after entering again that oil press zhai is pre-and pressing; But just press the crude oil otherwise processed;
(6), the preliminary grinding rapeseed oil adds the water be equivalent to the heavy 20-30% of oil, passes into steam heating to 60-70 ℃, the beginning stirring velocity is 100-155r/min, confused 30-40 minute, quiescent setting 5-6 hour, make oily water separation, the preliminary grinding rapeseed oil after the separation dewaters;
(7), the preliminary grinding rapeseed oil is in-5--3 ℃ of refrigeration 3-5 hour, then, filters impurity elimination;
(8), the preliminary grinding rapeseed oil through the decolouring, the discoloring agent that described decolouring is used is diatomite and gac, diatomite and gac part by weight are 2-3:1, the discoloring agent consumption is the 1%-5% of oil mass;
The following processing of described diatomite process: diatomite soaked 2-3 hour with the 10-15% hydrochloric acid soln first, then, the sodium hydroxide solution of putting into 10-12% soaked 2-3 hour, the hydrogen peroxide solution of putting into again 10-15% soaked 1-2 hour, then deionized water was cleaned, 10000-12000 rev/min of condition high speed dispersion 10-15 minute;
(9), the preliminary grinding rapeseed oil washes with water again, separates, and gets clean preliminary grinding rapeseed oil.
The production technique of described rapeseed oil is characterized in that:
(1), just press crude oil and add the water be equivalent to its weight 20-30% and carry out aquation, with the 80-90r/min rapid stirring about 30 minutes, after change into the 60-70r/min low rate mixing about 10 minutes, after aquation was complete, filtering separation got the aquation crude oil;
(2), the aquation crude oil is through decolouring, essence filter, obtain two and press rapeseed oils.
Beneficial effect of the present invention is:
(1), the present invention adopts freezing post-heating technique, is conducive to the vegetable seed cell wall breaking, improved oil yield, improves oil yield 5-8% than traditional pressing method;
(2), the present invention adopts watermill process to get oil, without any pollution, guaranteed the pure of oil product, and is pure naturally natural, meets the requirement of green food;
(3), sorbent material of the present invention processes through special pearl, improved absorption venomous injurant ability;
(4), output preliminary grinding rapeseed oil of the present invention and two presses rapeseed oils, all has high-quality grade, can distribution, perhaps mingle blending is sold.
Embodiment
A kind of production technique of rapeseed oil may further comprise the steps:
(1), Semen Brassicae campestris is clean clearly, dry to water content 5-8%;
(2), be sent in the freezer refrigeration 16-18 hour, temperature of ice house is-25--20 ℃; After the taking-up, be sent to oven dry in the tunnel type drying room, the baking room temperature is 50-60 ℃, and the time is 5-6 hour; Repeated multiple times;
(3), Semen Brassicae campestris added water grind, add the salt of 0.3-0.5% in the water, the preliminary grinding rapeseed oil is isolated in the profit layering;
(4), isolated Semen Brassicae campestris slag, wash with water repeatedly, incorporate in step (3) defibrination, carry out the profit layering;
(5), the Semen Brassicae campestris slag after the washing, dry to water content 15-18% under 50-60 ℃, sneak into the rapeseed hull 10-20 order meal (also can not adding) that is equivalent to Semen Brassicae campestris slag weight 3-5%, enter and obtain just pressing crude oil and seedcake after entering again that oil press zhai is pre-and pressing; But just press the crude oil otherwise processed;
(6), the preliminary grinding rapeseed oil adds the water be equivalent to the heavy 20-30% of oil, passes into steam heating to 60-70 ℃, the beginning stirring velocity is 100-155r/min, confused 30-40 minute, quiescent setting 5-6 hour, make oily water separation, the preliminary grinding rapeseed oil after the separation dewaters;
(7), the preliminary grinding rapeseed oil is in-5--3 ℃ of refrigeration 3-5 hour, then, filters impurity elimination;
(8), the preliminary grinding rapeseed oil through the decolouring, the discoloring agent that described decolouring is used is diatomite and gac, diatomite and gac part by weight are 2-3:1, the discoloring agent consumption is the 1%-5% of oil mass;
The following processing of described diatomite process: diatomite soaked 2-3 hour with the 10-15% hydrochloric acid soln first, then, the sodium hydroxide solution of putting into 10-12% soaked 2-3 hour, the hydrogen peroxide solution of putting into again 10-15% soaked 1-2 hour, then deionized water was cleaned, 10000-12000 rev/min of condition high speed dispersion 10-15 minute;
(9), the preliminary grinding rapeseed oil washes with water again, separates, and gets clean preliminary grinding rapeseed oil.
Just press crude oil and can adopt traditional technology to process, also can adopt following method to process:
(1), just press crude oil and add the water be equivalent to its weight 20-30% and carry out aquation, with the 80-90r/min rapid stirring about 30 minutes, after change into the 60-70r/min low rate mixing about 10 minutes, after aquation was complete, filtering separation got the aquation crude oil;
(2), the aquation crude oil is through decolouring, essence filter, obtain two and press rapeseed oils.
The gained rapeseed oil meets the standard of the senior vegetable seed cooking oil of GB11762 Semen Brassicae campestris GB1536 Semen Brassicae campestris I and II oil ZBX14011.
Claims (2)
1. the production technique of a rapeseed oil is characterized in that: may further comprise the steps:
(1), Semen Brassicae campestris is clean clearly, dry to water content 5-8%;
(2), be sent in the freezer refrigeration 16-18 hour, temperature of ice house is-25--20 ℃; After the taking-up, be sent to oven dry in the tunnel type drying room, the baking room temperature is 50-60 ℃, and the time is 5-6 hour; Repeated multiple times;
(3), Semen Brassicae campestris added water grind, add the salt of 0.3-0.5% in the water, the preliminary grinding rapeseed oil is isolated in the profit layering;
(4), isolated Semen Brassicae campestris slag, wash with water repeatedly, incorporate in step (3) defibrination, carry out the profit layering;
(5), the Semen Brassicae campestris slag after the washing, dry to water content 15-18% under 50-60 ℃, sneak into the rapeseed hull 10-20 order meal that is equivalent to Semen Brassicae campestris slag weight 3-5%, enter and obtain just pressing crude oil and seedcake after entering again that oil press zhai is pre-and pressing; But just press the crude oil otherwise processed;
(6), the preliminary grinding rapeseed oil adds the water be equivalent to the heavy 20-30% of oil, passes into steam heating to 60-70 ℃, the beginning stirring velocity is 100-155r/min, confused 30-40 minute, quiescent setting 5-6 hour, make oily water separation, the preliminary grinding rapeseed oil after the separation dewaters;
(7), the preliminary grinding rapeseed oil is in-5--3 ℃ of refrigeration 3-5 hour, then, filters impurity elimination;
(8), the preliminary grinding rapeseed oil through the decolouring, the discoloring agent that described decolouring is used is diatomite and gac, diatomite and gac part by weight are 2-3:1, the discoloring agent consumption is the 1%-5% of oil mass;
The following processing of described diatomite process: diatomite soaked 2-3 hour with the 10-15% hydrochloric acid soln first, then, the sodium hydroxide solution of putting into 10-12% soaked 2-3 hour, the hydrogen peroxide solution of putting into again 10-15% soaked 1-2 hour, then deionized water was cleaned, 10000-12000 rev/min of condition high speed dispersion 10-15 minute;
(9), the preliminary grinding rapeseed oil washes with water again, separates, and gets clean preliminary grinding rapeseed oil.
2. the production technique of rapeseed oil according to claim 1 is characterized in that:
(1), just press crude oil and add the water be equivalent to its weight 20-30% and carry out aquation, with the 80-90r/min rapid stirring about 30 minutes, after change into the 60-70r/min low rate mixing about 10 minutes, after aquation was complete, filtering separation got the aquation crude oil;
(2), the aquation crude oil is through decolouring, essence filter, obtain two and press rapeseed oils.
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| CN201210409400.9A CN102942989B (en) | 2012-10-24 | 2012-10-24 | Rapeseed oil production process |
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| CN201210409400.9A CN102942989B (en) | 2012-10-24 | 2012-10-24 | Rapeseed oil production process |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103614232A (en) * | 2013-11-28 | 2014-03-05 | 江学忠 | Method for extracting dogwood kernel oil |
| CN103651982A (en) * | 2013-11-22 | 2014-03-26 | 安徽大平油脂有限公司 | Health oil with efficacy of lowering blood pressure |
| CN103815055A (en) * | 2014-03-06 | 2014-05-28 | 洛阳春魁农业开发有限公司 | Blend cooking oil of peony seed oil and tea seed oil, and preparation method thereof |
| CN104893819A (en) * | 2014-11-26 | 2015-09-09 | 石台县山园食品有限公司 | Method for pressing oil from vegetable seeds |
| CN105038982A (en) * | 2015-08-28 | 2015-11-11 | 成都市新津迎先粮油有限公司 | Rapeseed oil decolouring process |
| CN105795005A (en) * | 2016-04-09 | 2016-07-27 | 江西阁皂山天然食品有限公司 | Preparation method of edible oil |
| CN106350205A (en) * | 2016-08-31 | 2017-01-25 | 四川恒康植物油脂有限公司 | Rapeseed dehulling separation process |
| CN107022404A (en) * | 2017-04-25 | 2017-08-08 | 安徽省华银茶油有限公司 | A kind of processing method of powder formula tea-seed oil |
| CN109055012A (en) * | 2018-08-08 | 2018-12-21 | 阜阳师范学院 | A kind of extracting method and its application of chinese rose essential oil |
| CN105087146B (en) * | 2015-09-01 | 2019-01-04 | 兴化市朝阳植物油脂厂 | A kind of fiber crops vegetable seed pretreatment milling process |
| CN109207253A (en) * | 2017-07-04 | 2019-01-15 | 盐津益康食用油有限责任公司 | A kind of preparation process without precipitating rapeseed oil |
| CN110499211A (en) * | 2019-09-25 | 2019-11-26 | 朱运霞 | A kind of rapeseed oil pre-treating method |
| CN111534364A (en) * | 2020-04-20 | 2020-08-14 | 岳阳长康绿态福海油脂有限公司 | Rapeseed oil squeezing process |
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| CN1498952A (en) * | 2002-11-04 | 2004-05-26 | 武汉工业学院 | Method of making oil by peeling, cold pressing, extruding and soaking rapeseed |
| WO2009115738A2 (en) * | 2008-03-14 | 2009-09-24 | Lesieur S.A.S. | Oilseed vegetable oil and method for obtaining same |
| CN101880596A (en) * | 2010-07-13 | 2010-11-10 | 中国农业科学院油料作物研究所 | Method for preparing oil at low temperature |
| CN102533426A (en) * | 2011-11-18 | 2012-07-04 | 中国农业科学院油料作物研究所 | Processing method for improving flavor and nutritional quality of colza oil |
-
2012
- 2012-10-24 CN CN201210409400.9A patent/CN102942989B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1498952A (en) * | 2002-11-04 | 2004-05-26 | 武汉工业学院 | Method of making oil by peeling, cold pressing, extruding and soaking rapeseed |
| WO2009115738A2 (en) * | 2008-03-14 | 2009-09-24 | Lesieur S.A.S. | Oilseed vegetable oil and method for obtaining same |
| CN101880596A (en) * | 2010-07-13 | 2010-11-10 | 中国农业科学院油料作物研究所 | Method for preparing oil at low temperature |
| CN102533426A (en) * | 2011-11-18 | 2012-07-04 | 中国农业科学院油料作物研究所 | Processing method for improving flavor and nutritional quality of colza oil |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651982A (en) * | 2013-11-22 | 2014-03-26 | 安徽大平油脂有限公司 | Health oil with efficacy of lowering blood pressure |
| CN103614232A (en) * | 2013-11-28 | 2014-03-05 | 江学忠 | Method for extracting dogwood kernel oil |
| CN103614232B (en) * | 2013-11-28 | 2015-06-10 | 江学忠 | Method for extracting dogwood kernel oil |
| CN103815055A (en) * | 2014-03-06 | 2014-05-28 | 洛阳春魁农业开发有限公司 | Blend cooking oil of peony seed oil and tea seed oil, and preparation method thereof |
| CN103815055B (en) * | 2014-03-06 | 2015-06-17 | 洛阳春魁农业开发有限公司 | Blend cooking oil of peony seed oil and tea seed oil, and preparation method thereof |
| CN104893819A (en) * | 2014-11-26 | 2015-09-09 | 石台县山园食品有限公司 | Method for pressing oil from vegetable seeds |
| CN105038982A (en) * | 2015-08-28 | 2015-11-11 | 成都市新津迎先粮油有限公司 | Rapeseed oil decolouring process |
| CN105087146B (en) * | 2015-09-01 | 2019-01-04 | 兴化市朝阳植物油脂厂 | A kind of fiber crops vegetable seed pretreatment milling process |
| CN105795005A (en) * | 2016-04-09 | 2016-07-27 | 江西阁皂山天然食品有限公司 | Preparation method of edible oil |
| CN106350205A (en) * | 2016-08-31 | 2017-01-25 | 四川恒康植物油脂有限公司 | Rapeseed dehulling separation process |
| CN107022404A (en) * | 2017-04-25 | 2017-08-08 | 安徽省华银茶油有限公司 | A kind of processing method of powder formula tea-seed oil |
| CN109207253A (en) * | 2017-07-04 | 2019-01-15 | 盐津益康食用油有限责任公司 | A kind of preparation process without precipitating rapeseed oil |
| CN109055012A (en) * | 2018-08-08 | 2018-12-21 | 阜阳师范学院 | A kind of extracting method and its application of chinese rose essential oil |
| CN110499211A (en) * | 2019-09-25 | 2019-11-26 | 朱运霞 | A kind of rapeseed oil pre-treating method |
| CN111534364A (en) * | 2020-04-20 | 2020-08-14 | 岳阳长康绿态福海油脂有限公司 | Rapeseed oil squeezing process |
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