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Method for fermenting functional wheat bran

A technology for wheat bran and a production method, applied in the field of fermentation, can solve problems such as high cost and complicated process, and achieve the effects of improving synthesis speed, promoting absorption, and promoting feeding

Inactive Publication Date: 2012-04-18
黄继红 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] With the advancement of technology, there are many ways in the application of wheat bran, some use wheat bran to prepare alcohol glycerol, some extract aleurone from bran, and use wheat bran to make health wine or feed Additives, but the implementation of these applications is more complex and costly

Method used

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  • Method for fermenting functional wheat bran

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Experimental program
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Effect test

Embodiment 1

[0019] The method comprises the following steps: (1) Aspergillus niger obtains Aspergillus niger spores after being cultured on a slope at 28° C. for 65 hours; washes the Aspergillus niger spores with sterile physiological saline to obtain a suspension of Aspergillus niger spores; inoculates the Aspergillus niger spore suspension Put into the primary culture medium and carry out shake flask primary seed culture, the access amount of Aspergillus niger spore suspension is 6% of the primary medium weight, and the component of primary medium is: wheat bran 15%, phosphate diphosphate Potassium hydrogen 3%, the rest is sterile water, cultivated at 28°C for 26 hours to obtain the first-grade seed liquid of Aspergillus niger; the first-grade seed liquid was inserted into the second-level medium for secondary culture in shake flasks, and the first-grade seed liquid The incorporation amount is 0.1% of the weight of the secondary medium, and the components of the secondary medium are: 30%...

Embodiment 2

[0024] The method comprises the following steps: (1) aspergillus niger obtains spores of aspergillus niger after being cultured on a slope at 20° C. for 72 hours, and the slope medium used is a slope medium made from bran hydrolyzate; washes the aspergillus niger spores with sterile physiological saline Obtain the aspergillus niger spore suspension; insert the aspergillus niger spore suspension into the primary medium and carry out shake flask primary seed culture, the insertion amount of the aspergillus niger spore suspension is 0.1% of the primary medium weight, one The components of the grade culture medium are: 40% of wheat bran, 0.05% of potassium chloride, and the rest is sterile water, cultivated at 22°C for 30 hours to obtain the grade 1 seed liquid of Aspergillus niger; The first-grade medium is used for secondary culture in shake flasks. The amount of access of the first-grade seed solution is 0.1% of the weight of the second-grade medium. The components of the second...

Embodiment 3

[0029]The method comprises the following steps: (1) Aspergillus niger obtains Aspergillus niger spores after being cultured on a slope at 30° C. for 40 hours, and the slope medium used is a slope medium made from bran hydrolyzate; washes the Aspergillus niger spores with sterile physiological saline Obtain the Aspergillus niger spore suspension; Insert the Aspergillus niger spore suspension into the first-level medium to carry out shake flask first-level seed culture, and the insertion amount of the Aspergillus niger spore suspension is 0.5% of the first-level medium weight, one The components of the first-grade culture medium are: 20% of wheat bran, 2% of disodium hydrogen phosphate, and the rest is sterile water, cultivated at 30°C for 20 hours to obtain the first-grade seed liquid of Aspergillus niger; put the first-grade seed liquid into The secondary culture medium is carried out in shake flask secondary culture, the access amount of the primary seed solution is 5% of the ...

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Abstract

The invention provides a method for fermenting functional wheat bran. The method comprises the following steps: (1) aspergillus niger is subjected to slant culture, shaking primary culture and shaking secondary culture to obtain aspergillus niger secondary seed solution; (2) microzyme is subjected to slant culture, shaking primary culture and shaking secondary culture to obtain microzyme secondary seed solution; and (3) the aspergillus niger secondary seed solution and the microzyme secondary seed solution are introduced into a fermentation medium prepared by the wheat bran to be fermented, and are finally dried to obtain the functional wheat bran. The functional wheat bran removes various anti-nutritional factors in a vegetable protein raw material, is rich in high-activity wheat bran dietary fiber and high-activity protein, generates small peptide and lactic acid simultaneously when the wheat bran is used, and is easily absorbed by an organism, so that the wheat bran is a high-quality health-care product. The wheat bran realizes effective value addition and utilization of wheat bran while providing health food for people, and has significant social benefit and economical benefit.

Description

technical field [0001] The invention belongs to the technical field of fermentation, and in particular relates to a fermentation production method of functional wheat bran. Background technique [0002] Wheat bran is a by-product of wheat processing. The annual output of wheat bran in the country is more than 20 million tons. It is a large resource and it is rich in vitamin B 1 It has high nutritional value, but its ingredients are not easily absorbed by the body, and the taste is poor, and its functionality is not outstanding. According to measurements, in wheat bran, the protein content is 15.8%, the fat is 21.4%, the sugar is 41.5%, the cellulose is 18%, and the content of vitamins and minerals is several tens of times higher than that of flour. However, various anti-nutritional factors contained in vegetable protein raw materials are not easy to be absorbed, which affects the value of wheat bran consumption and additives. At present in our country, bran is mainly used ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P1/00A23L1/30C12R1/685C12R1/85A23L33/10
Inventor 黄继红杨公明
Owner 黄继红