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Coix seed bran and use thereof

A coix seed bran and coix seed oil technology, which is applied in the fields of application, edible oil/fat, food science, etc., can solve the problems of increased investment cost and energy consumption, low production efficiency, high production cost, etc., and achieves the improvement of comprehensive utilization rate, Reduced solvent consumption and reduced production costs

Inactive Publication Date: 2011-09-14
SOUTHWEST UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Chinese patent document CN 101036761 B discloses a "preparation method of coix seed oil", which uses superfine pulverization to process coix seed oil, and then extracts coix seed oil with supercritical carbon dioxide. The highest extraction rate reaches 10.21%, and Due to the ultrafine grinding of the whole coix seed, the energy consumption is high and the production efficiency is low. In addition, the particle size of the material is too fine, and the material is easy to harden under supercritical high-pressure treatment.
[0007]In general, the extraction of coix seed oil with crushed whole grains of coix seed as raw material has the following application obstacles: (1) the oil content of coix seed is low, And it is concentrated in the cortex and germ, and the crushing and extraction of the whole grain occupies a large volume of the extraction tank, which increases the investment cost and energy consumption, and the production cost is high; (2) the protein and starch components in coix seed will absorb oil during the crushing process, increasing oil extraction difficulty

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1 Preparation of Coix Seed Rice Bran

[0027] Use an iron roller rice mill, align the two ends of the device roller, adjust the gap between the roller end and the liner to 0.8 mm, and adjust the pressure thallium. Send the dried and shelled Coix coix brown rice into the rice mill, and start the machine to mill the rice. Three steps of whitening are used to increase the cortex or germ rate of rice bran. The first milled product accounts for 6.5% of the weight of Coix coix brown rice, the second milled product accounts for 4.0%, and the third milled product accounts for 3%. The rice bran sifted out by the rice mill and the coix seed rice sieve are collected and combined together to obtain the coix seed rice bran. After testing, rice bran contains 24.5% crude fat, and coix seed rice contains 2.5% crude fat.

Embodiment 2

[0028] Example 2 Pretreatment of Coix Seed Rice Bran

[0029] This example provides a pretreatment method for coix seed and rice bran to increase the shelf life of coix seed and rice bran. The methods are simple to operate and suitable for industrial application.

[0030] To achieve the above object, the present invention provides four technical solutions, specifically:

[0031] Coix seed rice bran quality preservation method 1, after mixing coix seed rice bran and water at a ratio of 8-9:1-2, extruding and puffing with an extruder, the temperature of the extruder is set at 100-150°C, and the extruder The pressing chamber pressure is 8-16MPa, and the coix seed rice bran with stable quality is obtained.

[0032] The second method for preserving the quality of coix seed and rice bran is to indirectly heat the coix seed and rice bran with steam at 100-120°C for 5-10 minutes to obtain the coix seed and rice bran preservation material.

[0033] Coix seed bran quality preservation...

Embodiment 3

[0035] The preparation method of embodiment three coix seed oil

[0036] The dried and shelled coix seed is milled and peeled, and the milling rate of coix seed rice bran is 5%. The coix seed bran obtained by grinding is heated with indirect steam at 100-110° C. for 10 minutes to obtain a coix seed rice bran extract, which is then bagged and stored at low temperature for later use.

[0037] Put the coix seed rice bran extract into a solvent extraction tank, pump in absolute ethanol with 4 times the weight of the coix seed rice bran extract, extract for 3 hours at 40°C, release the extraction solution, and then inject coix seed into the extraction tank Extract the rice bran extract with absolute ethanol twice the mass at 40°C for 3 hours, combine the extracts, put them in an evaporator to evaporate the ethanol, and then obtain coix seed oil. Coix seed oil extraction yield was 25.6%. The fatty acid composition of coix seed is: palmitic acid 16.5%, oleic acid 48.6%, linoleic ac...

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Abstract

The invention relates to a method for extracting effective ingredients of cortexes of plant seeds, in particular to coix seed bran, which contains coix seed cortexes and / or seed embryos, wherein the obtained coix seed bran extract can be used for preparing coix seed oil and contains over 85 percent of oil in coix seeds; the yield of extracted coix seed bran oil is over 18 percent; and separated coix seeds can be used for processing foods or directly used as refined coix seeds.

Description

technical field [0001] The invention relates to a method for extracting active ingredients from the cortex and / or kernel embryo of plant seeds, specifically coix seed rice bran and its application. Background technique [0002] Coix seed, also known as coix seed and coix seed, is the seed of Coix coix seed, which is flat in nature, sweet and light in taste, and belongs to the spleen, lung and kidney meridians. It has the functions of invigorating the spleen and nourishing the lungs, clearing heat and promoting dampness, and is mainly used for diarrhea, arthralgia due to dampness, spasm of tendons, edema, beriberi, lung abscess, intestinal abscess, stranguria, leucorrhea embolism. A large number of studies have found that coix seed oil extracted from coix seed can inhibit the growth of tumor cells, enhance human immunity, and protect leukopenia caused by chemotherapy. Its physiological activity, medical value and nutritional function have been recognized by the international ...

Claims

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Application Information

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IPC IPC(8): A23D9/02
Inventor 刘雄阚建全陈厚荣李江
Owner SOUTHWEST UNIVERSITY
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