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A kind of decolorizing resin for lactase and preparation method thereof

A decolorizing resin and lactase technology, applied in biochemical equipment and methods, glycosylases, enzymes, etc., can solve the problems of low efficiency of lactase decolorization treatment, large loss of enzyme activity, poor decolorization effect, etc., to protect lactose Enzyme activity, reduced dosage, enhanced adsorption effect

Active Publication Date: 2022-07-01
广西叁万生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a decolorization resin for lactase to solve the problems of low efficiency, long time, poor decolorization effect and large loss of enzyme activity after decolorization in the prior art.

Method used

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  • A kind of decolorizing resin for lactase and preparation method thereof
  • A kind of decolorizing resin for lactase and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A decolorizing resin for lactase prepared from raw materials comprising the following weights:

[0029] 5 parts of styrene, 80 parts of divinylbenzene, 20 parts of gelatin, 1 part of rush, 10 parts of methyl isobutyl methanol, 20 parts of hydroxyethyl methacrylate, 1 part of triallyl cyanurate, N -1 part of phenylmaleimide, 3 parts of chitosan, 1 part of magnesium vitamin C phosphate, 1.8 parts of benzoyl peroxide, 1 part of polyvinyl alcohol, 0.03 part of tributyl phosphate, 0.03 part of salicylic acid parts, 2 parts of hydroxyethyl methyl cellulose, and 5 parts of toluene.

[0030] The preparation method of the decolorizing resin for lactase, comprising the following steps:

[0031] A: Dissolve gelatin and hydroxyethyl methyl cellulose in water according to a material-to-liquid ratio of 1:2, heat to 50°C, then add chitosan, polyvinyl alcohol, and salicylic acid, and heat for 5 minutes to prepare a liquid phase ;

[0032] B: Styrene, divinylbenzene, methyl isobutyl ...

Embodiment 2

[0036] A decolorizing resin for lactase, prepared from raw materials comprising the following weights: 3 parts of styrene, 60 parts of divinylbenzene, 50 parts of gelatin, 2 parts of rushes, 12 parts of methyl isobutyl methanol, 30 parts hydroxyethyl acrylate, 2 parts triallyl cyanurate, 2 parts N-phenylmaleimide, 5 parts chitosan, 2 parts magnesium vitamin C phosphate, benzoyl peroxide 1.2 parts, 1.2 parts of polyvinyl alcohol, 0.02 parts of tributyl phosphate, 0.02 parts of salicylic acid, 1 part of hydroxyethyl methyl cellulose, and 10 parts of xylene.

[0037] The preparation method of the decolorizing resin for lactase, comprising the following steps:

[0038] A: Dissolve gelatin and hydroxyethyl methyl cellulose in water according to a material-to-liquid ratio of 1:3, heat to 58°C, then add chitosan, polyvinyl alcohol, and salicylic acid, and heat for 15 minutes to prepare a liquid phase ;

[0039] B: Styrene, divinylbenzene, methyl isobutyl methanol, hydroxyethyl meth...

Embodiment 3

[0043] A decolorizing resin for lactase, prepared from raw materials comprising the following weights: 7 parts of styrene, 65 parts of divinylbenzene, 35 parts of gelatin, 10 parts of rushes, 20 parts of methyl isobutyl methanol, 35 parts of hydroxyethyl acrylate, 3 parts of triallyl cyanurate, 3 parts of N-phenylmaleimide, 7 parts of chitosan, 4 parts of vitamin C magnesium phosphate, benzoyl peroxide 1.5 parts, polyvinyl alcohol 1.5 parts, tributyl phosphate 0.01 parts, salicylic acid 0.05 parts, hydroxyethyl methyl cellulose 1.2 parts, toluene 10 parts, xylene 10 parts.

[0044] The preparation method of the decolorizing resin for lactase, comprising the following steps:

[0045] A: Dissolve gelatin and hydroxyethyl methyl cellulose in water according to the ratio of material to liquid of 1:4, heat to 60°C, then add chitosan, polyvinyl alcohol, and salicylic acid, and keep reacting for 12 minutes to prepare a liquid phase ;

[0046] B: Styrene, divinylbenzene, methyl isob...

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Abstract

The invention discloses a decolorizing resin for lactase, comprising styrene, divinylbenzene, gelatin, rush, methyl isobutyl methanol, hydroxyethyl methacrylate, triallyl cyanurate, N -Phenylmaleimide, chitosan, magnesium vitamin C phosphate, benzoyl peroxide, polyvinyl alcohol, tributyl phosphate, salicylic acid, hydroxyethyl methylcellulose, porogen. The invention also discloses a preparation method of the above-mentioned decolorizing resin, which comprises mixing gelatin, chitosan, hydroxyethyl methyl cellulose, polyvinyl alcohol and salicylic acid to prepare a liquid phase; Butyl methanol, hydroxyethyl methacrylate, triallyl cyanurate, N-phenylmaleimide, benzoyl peroxide, tributyl phosphate, and porogen are mixed to prepare an oil phase; obtain The solid phase was prepared by mixing rush fiber and magnesium vitamin C phosphate; the polymer was prepared by mixing the three phases. The invention has high decolorization efficiency, short time and little loss of lactase activity after decolorization.

Description

technical field [0001] The invention belongs to the technical field of decolorization resin preparation, and in particular relates to a decolorization resin for lactase and a preparation method thereof. Background technique [0002] Lactase, also known as β-D-galactosidegalacto-hydrolase (β-D-galactosidegalacto-hydrolase), is a biological enzyme preparation that is tasteless, odorless and has no safety problems. It can catalyze β-1, 4 The hydrolysis reaction of galactosidic bond hydrolyzes lactose into glucose and galactose, and at the same time, it can transfer galactosides to generate galacto-oligosaccharides. [0003] Lactose is the main carbohydrate in mammalian milk and dairy products, accounting for about 5% of milk and other products. About 30% of the calories in whole milk and 60% of the calories in skim milk are provided by lactose. Since the body cannot directly utilize lactose, lactose must be decomposed into monosaccharides by lactase before it can be absorbed a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F251/02C08F251/00C08F212/36C08F212/08C08F220/20C08F226/06C08K5/521C12N9/38
CPCC08F251/02C08F251/00C08K5/521C12N9/2471C12Y302/01023C08F212/36C08F212/08C08F220/20C08F226/06
Inventor 刘汉灵刘研梁智曾吉伟黄菊
Owner 广西叁万生物科技有限公司
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