Preparing method of corn gluten polypeptide for fodder

A technology of corn protein and production method, which is applied in the direction of vegetable protein processing and the like, can solve the problems of insoluble protein being difficult, wasteful, polluting the environment, etc., and achieve the effects of good palatability, outstanding efficacy and rich nutrition.

Inactive Publication Date: 2014-12-10
HARBIN WEIPING TECH DEV
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  • Summary
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  • Application Information

AI Technical Summary

Problems solved by technology

Although the protein content of corn gluten powder is high, the insoluble protein in it is not easy to be digested and absorbed by animals, because the insoluble protein in the gastrointestinal tract of animals is easy to combine with other macromolecul

Method used

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Embodiment Construction

[0010] specific implementation plan

[0011] The bacterial strain Aspergillus sojae CICC40357 used in the present invention was purchased from China Industrial Microorganism Culture Collection and Management Center.

[0012] Take 6B X The wort was sterilized at 121° C. for 20 minutes, cooled to 28° C., inoculated with Aspergillus sojae, and cultivated on a shaker at 160 rpm and 28° C. for 20 hours to obtain Aspergillus sojae seed liquid.

[0013] Expand corn gluten powder, weigh a certain amount of expanded corn gluten powder, add 15 times the mass of water, stir evenly, adjust the pH to 7.0, sterilize at 121°C for 20 minutes, cool down to 50°C, and add 80% per gram of raw material Add neutral protease in the proportion of the unit, hydrolyze at 50°C for 6 hours, then boil for 15 minutes, cool down to 28°C, inoculate the seed liquid of Aspergillus sojae with 10% inoculation amount, and ferment on a shaker at 160rpm and 28°C for 30 hours , and centrifuge to obtain a clear liq...

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Abstract

The invention relates to a preparing method of a corn gluten polypeptide for fodder, belongs to the technical field of processing of fodder and particularly relates to a method of preparing the corn gluten polypeptide for the fodder by taking corn gluten meal as a raw material. The method comprises the following steps: swelling the corn gluten meal, then adding water, uniformly stirring, adjusting pH to 7.0-7.2, sterilizing, cooling to 45-50 DEG C, adding a neutral protease, performing hydrolysis for 6-8h, boiling, cooling to 26-28 DEG C, inoculating aspergillus sojae, fermenting for 26-30h, centrifuging to obtain clear liquid, concentrating the clear liquid and spray-drying to obtain a finished product. The preparing method of the corn gluten polypeptide for the fodder, disclosed by the invention, effectively integrates the respective advantages of a swelling method, an enzyme method and a fermentation method; the corn gluten polypeptide for the fodder is rich in nutrients and has prominent effects; furthermore, the prepared gluten polypeptide has no bitter taste, no peculiar smell and good palatability.

Description

technical field [0001] The invention belongs to the technical field of feed processing, and in particular relates to a method for preparing forage corn gluten polypeptide by using corn gluten powder as a raw material. Background technique [0002] Corn gluten meal is a by-product of starch production from corn grains. It is rich in protein nutrients and has a special taste and color. It can be used as feed. Compared with fish meal and bean cake commonly used in the feed industry, it has obvious resource advantages and feed value. High, does not contain toxic and harmful substances, does not need to be reprocessed, and can be directly used as protein raw material. Although the protein content of corn gluten powder is high, the insoluble protein in it is not easy to be digested and absorbed by animals, because the insoluble protein in the gastrointestinal tract of animals is easy to combine with other macromolecular organic substances or trace elements, and some insoluble prot...

Claims

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Application Information

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IPC IPC(8): A23J3/14
Inventor 吕庆茂
Owner HARBIN WEIPING TECH DEV
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