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Nutritional rice oil and production method thereof

A rice oil and nutrition enhancement technology, applied in the production of fat oil/fat, production of fat, edible oil/fat, etc., can solve the problem of large loss of nutrients, improve the vacuum degree of the system, reduce the loss of fat-soluble nutrients, The effect of improving purity

Active Publication Date: 2014-06-18
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Chinese invention patent publication number is CN101455242A and CN102690723A document reports that all can obtain first-grade edible rice bran oil by refining rice bran crude oil, but because the deacidification temperature is higher, and used two alkali refining processes in CN101455242A document, to Tocopherols, sterols, oryzanol and other nutrients in rice bran oil are greatly lost

Method used

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  • Nutritional rice oil and production method thereof
  • Nutritional rice oil and production method thereof
  • Nutritional rice oil and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] After the rice bran (including rice germ) produced after rice processing is screened, destoned and demagnetized, the clean oil is extruded with a twin-screw extruder to control the water content of the oil to 13% and the screw speed The temperature is 150r / min, the barrel temperature is 150°C, the size of the extruded particles is controlled to be about 1cm×0.5cm×0.5cm, and the stabilized rice bran is obtained after drying to a water content of 4-6%. Soak the stabilized rice bran in 6 times its volume of No. 6 extraction solvent oil (a commercially available vegetable oil extraction solvent, see National Standard of the People's Republic of China, Vegetable Oil Extraction Solvent, Standard No. GB16629-2008, Chinese Standard Publishing Press, September 2008, Beijing), leaching at 50°C for 2 hours, and evaporating the solvent to obtain crude oil. After the solid impurities in the crude oil were removed by plate and frame filtration, phospholipase A 1 The role of removing...

Embodiment 2

[0055] After the refined rice oil 1 was obtained according to the method of Example 1, activated diatomite and 1% activated carbon were added to the rice oil quality of 4%, and the pressure of the system was maintained at 6kPa. After reacting for 30 minutes at 110°C, decolorized oil 2 was obtained. . The decolorized oil 2 is pumped into the falling film evaporator to circulate for deodorization treatment, the system pressure is maintained at 0.3kPa, and the reaction temperature is 230°C. Add 4% of its mass of activated diatomite and 1% of activated carbon to the deodorized oil, maintain the system pressure at 6kPa, and the temperature at 110°C. After reacting for 30 minutes, separate the oil from the filter medium (activated diatomite, activated carbon), The oil was pre-cooled to 30°C, and ultrasonic cell breaker (VOSHIN96-IIL, Wuxi Woxin Instrument Co., Ltd.) was used to perform ultrasonic intermittent treatment on it. The action mode was 5s-intermittent 5s, the action time w...

Embodiment 3

[0060] According to Example 1 and Example 2, nutrient-enhanced rice oil was obtained, and 3 kg of nutrient-enhanced rice oil was heated and sterilized at 80° C. for 20 minutes to obtain sterilized enhanced rice oil; 0.4 kg of glycerol was added to 1.2 kg of purified water at 80° C. , stir well, put in 1kg of edible gelatin after the temperature is lower than 70°C, continue stirring for 1 hour, vacuum degassing for 30 minutes, and obtain gelatin liquid after filtration; use RJWJ-100II soft capsule manufacturing machine (product of Wuxi Zhongyi Pharmaceutical Machinery Co., Ltd.) To prepare rice oil soft capsules, set the rice oil soft capsules at 20°C and an environment with a relative air humidity of 40% for 2 hours, then dry them at 30°C and an environment with a relative air humidity of 20% for 5 hours, and control the soft capsules. When the water content of the shell reaches 6-8%, the finished nutritious rice oil soft capsule is obtained.

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Abstract

The invention belongs to the technical field of oil deep processing and particularly relates to nutrition enriched rice oil and a production method thereof. The nutrition enriched rice oil is prepared by the following optimized process: (1) preparing crude oil by rice bran; (2) refining the crude oil, namely (i) degumming; (ii) carrying out ultrasonic-assisted dewaxing; (iii) de-coloring for the first time; (iv) falling-film deacidifying; (v) de-coloring; (vi) deodorizing; (vii) de-coloring for the second time; and (viii) dewaxing and degreasing; and (3) enhancing the rice oil, namely adding a suitable amount of oryzanol, sterol and vitamin E to the rice oil which is refined by steps to obtain the nutrition enriched rice oil. The content of necessary fatty acid of the nutrition enriched rice oil is 40-50%, the content of linoleic acid is 35-40% and the content of oleic acid is 40-50%; the mass ratio of the contents of the necessary fatty acid to the linoleic acid to the oleic acid is 1 to 1 to 1. The nutrition enriched rice oil provided by the invention can be used for developing other foods, food auxiliary materials or medicine auxiliary materials.

Description

technical field [0001] The invention belongs to the technical field of oil deep processing, and in particular relates to a nutritional rice oil and a production method thereof. Background technique [0002] Rice oil is rich in unsaturated fatty acids, oryzanol, sterols, tocopherols, squalene and other biologically active substances. It has the effects of preventing cardiovascular diseases, anti-oxidation, anti-aging, and enhancing immunity. It is a high-quality vegetable oil. Due to the high acid value of rice crude oil, dark color, and complex impurities such as colloids, waxes, and solid fats, it is difficult to obtain high-grade rice oil rich in fat-soluble nutrients and high stability through refining. [0003] Chinese invention patent publication number is CN101455242A and CN102690723A document reports that all can obtain first-grade edible rice bran oil by refining rice bran crude oil, but because deacidification temperature is higher, and used two alkali refining proc...

Claims

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Application Information

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IPC IPC(8): A23D9/04C11B1/04C11B1/10C11B3/16C11B3/00C11B3/10
Inventor 赵思明熊善柏张璐黄汉英胡月来孙宇
Owner HUAZHONG AGRI UNIV
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