Method for preparing mixed functional syrup from corn bran

A functional, corn husk technology, applied in the field of food syrup preparation, can solve problems such as high pollution, achieve the effects of simple process, solve high pollution problems, and avoid acid waste

Pending Publication Date: 2021-02-19
鲁洲生物科技(山东)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention adjusts the pH value by alkali, adopts an enzyme hydrolysis process, replaces the original acid hydrolysis process, no longer produces acidic waste water and waste, and solves the high pollution problem of the original process. Neutral, better than the corn husk products of the original process in terms of smell, color and pH value, etc., so the corn husk residue can be sold as feed raw materials after drying, which improves the added value of the process of the present invention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The method for preparing mixed functional syrup by using corn bran comprises the following steps:

[0026] Mix corn bran and water according to the solid-to-liquid ratio of 1:8, adjust the pH value to 6 with sodium hydroxide or edible sodium carbonate, control the temperature at 55°C, add xylanase, stir and hydrolyze for 1.5h, the wood The amount of glycanase added is 6u / ml;

[0027] Then adopt the countercurrent circulation hydrolysis process, pour the mixture into the corn bran reaction tank, circulate 4 tanks in turn, and filter with a plate and frame filter to obtain the hydrolyzate;

[0028] Heat the hydrolyzed solution to 75°C, add chitosan with a dry basis mass of 0.15‰ in the hydrolyzed solution and activated carbon with a dry basis mass of 0.25% in the hydrolyzed solution for decolorization, and then filter with a plate and frame filter press with a plate and frame pressure of 0.2 MPa, Filtrate transmittance 99%;

[0029] Cool down the decolorized hydrolyzed ...

Embodiment 2

[0033] The method for preparing mixed functional syrup by using corn bran comprises the following steps:

[0034] Mix corn bran and water at a solid-to-liquid ratio of 1:7, adjust the pH value to 5.0 with sodium hydroxide or edible sodium carbonate, control the temperature at 50°C, add xylanase, stir and hydrolyze for 1 hour, and the xylan The amount of carbohydrase added is 4u / ml;

[0035] Then adopt the countercurrent circulation hydrolysis process, put the mixture into the corn bran reaction tank, circulate 3 tanks in turn, and filter with a plate and frame filter to obtain the hydrolyzate;

[0036] Heat the hydrolyzate to 70°C, add chitosan with a dry basis of 0.1‰ in the hydrolyzate and activated carbon with a dry basis of 0.2% in the hydrolyzate to decolorize, and then filter with a plate and frame filter press with a plate and frame pressure of 0.3MPa. Filtrate transmittance 98%;

[0037] Cool down the decolorized hydrolyzed solution to 50°C, carry out ion exchange th...

Embodiment 3

[0041] The method for preparing mixed functional syrup by using corn bran comprises the following steps:

[0042] Mix corn bran and water according to the solid-to-liquid ratio of 1:9, adjust the pH value to 6.5 with sodium hydroxide or edible sodium carbonate, control the temperature at 60°C, add xylanase, stir and hydrolyze for 2 hours, and the xylan The amount of carbohydrase added is 10u / ml;

[0043] Then adopt the countercurrent circulation hydrolysis process, pour the mixture into the corn bran reaction tank, circulate 4 tanks in turn, and filter with a plate and frame filter to obtain the hydrolyzate;

[0044] Heat the hydrolyzate to 80°C, add chitosan with a dry basis of 0.2‰ in the hydrolyzate and activated carbon with a dry basis of 0.3% in the hydrolyzate for decolorization, and then filter with a plate and frame filter press with a plate and frame pressure of 0.25 MPa. Filtrate transmittance 98.5%;

[0045] Cool down the decolorized hydrolyzed solution to 55°C, c...

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Abstract

The invention discloses a method for preparing mixed functional syrup from corn bran, and belongs to the field of preparation of syrup for food. The method for preparing mixed functional syrup from corn bran solves the problems of high energy consumption and strong waste acidity in the prior art, and comprises the following steps of mixing the corn bran and water according to a solid-to-liquid ratio of 1:(7 to 9); meanwhile, regulating the pH value to 5.0 to 6.5 by using alkali, and controlling the temperature to be 50 to 60 DEG C; adding xylanase, and performing stirring and hydrolysis for 1to 2 hours; then, adopting a countercurrent circulation hydrolysis process and pumping the mixture into a corn bran reaction tank for circulation; next, performing filtration to obtain hydrolysate; and performing decoloration, ion exchange, deodorization and concentration on the hydrolysate to obtain the mixed functional syrup. The method provided by the invention can be used for preparing the mixed functional syrup.

Description

technical field [0001] The invention relates to a method for preparing mixed functional syrup by using corn hulls, belonging to the field of syrup preparation for food. Background technique [0002] Corn bran is a by-product produced in the production process of corn starch, which is mainly used as feed raw material with low added value. Both xylose and arabinose are five-carbon sugars with health-care functions. At present, xylose and arabinose are mainly produced from corn cobs. The process uses high-temperature acid hydrolysis, which produces a lot of waste and high product costs. [0003] At present, there are reports on the production of xylose and arabinose by using high-temperature acid hydrolysis of corn husks. The method is similar to the method of producing xylose from corn cobs, but the refining process is longer and the production cost is higher. And the process produces a large amount of waste water and waste, especially solid waste with strong acidity and diff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P19/14C12P19/04C12P19/02B01D15/10
CPCC12P19/14C12P19/04C12P19/02B01D15/10
Inventor 赵玉斌王成田孔磊王新增葛建亭
Owner 鲁洲生物科技(山东)有限公司
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