CN102703209A - Production technology for producing rice bran oil by use of rice bran - Google Patents
Production technology for producing rice bran oil by use of rice bran Download PDFInfo
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- CN102703209A CN102703209A CN2012102315736A CN201210231573A CN102703209A CN 102703209 A CN102703209 A CN 102703209A CN 2012102315736 A CN2012102315736 A CN 2012102315736A CN 201210231573 A CN201210231573 A CN 201210231573A CN 102703209 A CN102703209 A CN 102703209A
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Abstract
The invention provides a production technology for producing rice bran oil by use of rice bran. The technology comprises a process of extracting crude oil and a process of refining, wherein the process of extracting crude oil comprises the steps of: adding the rice bran oil into rice bran, and pulping, wherein the addition of the rice bran oil accounts for 5% of the total weight, the pulping is performed for 3 times, and the pulp fineness is 150 meshes; and filtering and pressing oil slurry at 50 DEG C, wherein a 0.3mu filter is adopted for filtering, and the content of dry base oil in the rice bran dregs is reduced to 3% to obtain crude rice bran oil; and the process of refining comprises the following steps of: heating the crude oil to 60 DEG C; adding water accounting for 20% of the weight of oil; stirring for 30 minutes at 50rpm; performing static settlement for 5 hours; taking the supernatant oil; heating to 70 DEG C; dehydrating for 20 minutes at the vacuum degree of 0.07Mpa; and filtering under pressure of 0.2Mpa. The production technology provided by the invention effectively reduces the damage of nutrient substances and the residue of various harmful substances; and the oil has pure color and excellent mouthfeel, and is suitable for general popularization and application.
Description
Technical field:
The present invention relates to a kind of processing technology of edible oil, especially a kind of production technique of utilizing rice bran to produce Rice pollard oil.
Background technology:
At present,, adopt two kinds of method refining edible oils usually, adopt expeller to squeeze oil after the first is steamed and fried at oil processing industry; Another kind is to steam to fry the back with the extruding of hydraulic method, and two kinds of methods all make the nutritive substance in the grease wreck, and influence nutritive value and organoleptic quality; Darken, not only cost is high, and it is low that essential oil obtains rate; And oil is relatively poor, and some also residual objectionable impurities endangers the healthy of human consumer.
Summary of the invention
The object of the invention is exactly the defective that exists to prior art, provides a kind of rice bran that utilizes with low cost, temperature production to produce the production technique of Rice pollard oil.Its technical scheme is: comprise and extract crude oil and refining procedure, earlier Rice pollard oil is added the rice bran defibrination, the add-on of Rice pollard oil is 5% of a gross weight, and the number of times of defibrination is 3 times; The fineness that is milled to slurry is 150 orders, and slurry oil is pressed in filter under 50 ℃ of conditions, and what filter employing is the strainer of 0.3 μ, makes the butt oil mass that contains of rice bran meal reduce to 3%; Obtain the rice bran crude oil, refining procedure is that crude oil is heated to 60 ℃, adds the water that accounts for weight of oil 20% then; Stirred 30 minutes with 50 rev/mins rotating speeds, staticly settled then 5 hours, get upper strata oil; Being heated to 70 ℃, is to dewater 20 minutes under the 0.07Mpa condition in vacuum tightness, under the pressure of 0.2Mpa, filters.
The present invention has effectively reduced the destruction and the various residues of harmful substances of nutritive substance, and oily color and luster is pure, excellent taste, and also with low cost, time saving and energy saving, convenient to use, be fit to generally promote the use of.
Embodiment
A kind of rice bran that utilizes with low cost, temperature production is produced the production technique of Rice pollard oil, comprises and extracts crude oil and refining procedure, earlier Rice pollard oil is added defibrination in the rice bran; The add-on of Rice pollard oil is 5% of a gross weight, and the number of times of defibrination is 3 times, and the fineness that is milled to slurry is 150 orders; Slurry oil is pressed in filter under 50 ℃ of conditions, and what filter employing is the strainer of 0.3 μ, makes the butt oil mass that contains of rice bran meal reduce to 3%; Obtain the rice bran crude oil, refining procedure is that crude oil is heated to 60 ℃, adds the water that accounts for weight of oil 20% then; Stirred 30 minutes with 50 rev/mins rotating speeds, staticly settled then 5 hours, get edible vegetable oil; Being heated to 70 ℃, is to dewater 20 minutes under the 0.07Mpa condition in vacuum tightness, under the pressure of 0.2Mpa, filters.
The specific embodiment of the invention: rice bran is added 2 tons of Rice pollard oils, be milled to 95% and can pass through 150 mesh sieves, slurry oil is pressed in filter under 50 ℃ of conditions, makes the butt oil mass that contains of rice bran meal reduce to 3%, obtains the rice bran crude oil about 45 tons.Then 45 tons of rice bran crude oils are heated to 60 ℃, add the water that accounts for weight of oil 20%, stirred 30 minutes with 50 rev/mins rotating speeds; Staticly settled then 5 hours; Getting upper strata oil, be heated to 70 ℃, is to dewater 20 minutes under the 0.07Mpa condition in vacuum tightness; Under the pressure of 0.2Mpa, filter through the strainer of 0.3 μ and can obtain 45 tons of pure natural low temperature Rice pollard oils.
The present invention has effectively reduced the destruction and the various residues of harmful substances of nutritive substance, and oily color and luster is pure, excellent taste, and also with low cost, time saving and energy saving, convenient to use, be fit to generally promote the use of.The Rice pollard oil that uses the present invention to produce detects through Dongying City grain and oil inspection center, and acid value is: 1.02, and moisture: 0.17%, assorted matter: 0.02%; Oil is heated to 280 degrees centigrade, and oil colours is constant, and no precipitate does not have any arsenide and mercuride etc., meets country-level edible oil standard.
Claims (1)
1. utilize rice bran to produce the production technique of Rice pollard oil, comprise and extract crude oil and refining procedure, it is characterized in that: earlier Rice pollard oil is added defibrination in the rice bran; The add-on of Rice pollard oil is 5% of a gross weight, and the number of times of defibrination is 3 times, and the fineness that is milled to slurry is 150 orders; Slurry oil is pressed in filter under 50 ℃ of conditions, and what filter employing is the strainer of 0.3 μ, makes the butt oil mass that contains of rice bran meal reduce to 3%; Obtain the rice bran crude oil, refining procedure is that crude oil is heated to 60 ℃, adds the water that accounts for weight of oil 20% then; Stirred 30 minutes with 50 rev/mins rotating speeds, staticly settled then 5 hours, get upper strata oil; Being heated to 70 ℃, is to dewater 20 minutes under the 0.07Mpa condition in vacuum tightness, under the pressure of 0.2Mpa, filters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102315736A CN102703209A (en) | 2012-07-01 | 2012-07-01 | Production technology for producing rice bran oil by use of rice bran |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102315736A CN102703209A (en) | 2012-07-01 | 2012-07-01 | Production technology for producing rice bran oil by use of rice bran |
Publications (1)
| Publication Number | Publication Date |
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| CN102703209A true CN102703209A (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102315736A Pending CN102703209A (en) | 2012-07-01 | 2012-07-01 | Production technology for producing rice bran oil by use of rice bran |
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| CN (1) | CN102703209A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999011142A1 (en) * | 1997-09-02 | 1999-03-11 | The Ricex Company | A process for obtaining micronutrient enriched rice bran oil |
| CN1470627A (en) * | 2003-06-13 | 2004-01-28 | 邢台矿业（集团）有限责任公司 | Method for producing low-temperature peanut oil |
| CN101705146A (en) * | 2009-10-30 | 2010-05-12 | 周广龙 | Method for extracting oil by rice bran |
| CN101904367A (en) * | 2010-08-11 | 2010-12-08 | 江西省粮油科学技术研究所 | Method for aqueous extraction of vegetable fat by using low-temperature drying oil mill |
| CN102295986A (en) * | 2011-08-03 | 2011-12-28 | 中南林业科技大学 | Preparation method of rice bran oil with low acid value |
-
2012
- 2012-07-01 CN CN2012102315736A patent/CN102703209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999011142A1 (en) * | 1997-09-02 | 1999-03-11 | The Ricex Company | A process for obtaining micronutrient enriched rice bran oil |
| CN1470627A (en) * | 2003-06-13 | 2004-01-28 | 邢台矿业（集团）有限责任公司 | Method for producing low-temperature peanut oil |
| CN101705146A (en) * | 2009-10-30 | 2010-05-12 | 周广龙 | Method for extracting oil by rice bran |
| CN101904367A (en) * | 2010-08-11 | 2010-12-08 | 江西省粮油科学技术研究所 | Method for aqueous extraction of vegetable fat by using low-temperature drying oil mill |
| CN102295986A (en) * | 2011-08-03 | 2011-12-28 | 中南林业科技大学 | Preparation method of rice bran oil with low acid value |
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Application publication date: 20121003 |