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A kind of production method of modified casein

A production method and technology of casein, which is applied in the field of production of modified casein, can solve problems such as poor solubility and bad smell of products, and achieve the effects of improving stringiness, good solubility characteristics, and good fluidity of products

Active Publication Date: 2016-06-08
GANSU PULUO BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for preparing modified casein in view of the shortcomings in the prior art, directly use koji casein as raw material to produce casein through extruder expansion, and obtain protein, fat and ash Up to the standard, modified casein with high viscosity, which improves the problems of poor solubility of existing casein and bad smell of the product

Method used

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  • A kind of production method of modified casein
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1 Raw material characteristics: Qula casein is used as raw material. The physical and chemical indicators of Qula casein are 93.4% protein, 1.6% fat and 1.7% ash.

[0016] 2. Extrusion and puffing: add koji casein into the extruder at a uniform speed, add 8% of its mass purified water at the same time, make koji casein and purified water at a temperature of 120°C and screw speed Extrusion and puffing are carried out in a 450r / min extruder, and the extrusion conversion time is controlled at 20s.

[0017] 3. Pulverization: place the expanded casein on the conveyor belt, let it cool naturally, dry it, and then enter the pulverizer to obtain the modified casein powder product.

Embodiment 2

[0019] 1 Raw material characteristics: Qula casein is used as raw material. The physical and chemical indicators of Qula casein are 92% protein, 1.6% fat and 1.8% ash.

[0020] 2. Extrusion and puffing: add koji casein into the extruder at a uniform speed, add 12% of its mass purified water at the same time, make koji casein and purified water at a temperature of 130°C and screw speed Extrusion and puffing are carried out in a 400r / min extruder, and the extrusion conversion time is controlled at 25s.

[0021] 3. Pulverization: place the expanded casein on the conveyor belt, let it cool naturally, dry it, and then enter the pulverizer to obtain the modified casein powder product.

Embodiment 3

[0023] 1 Raw material characteristics: Qula casein is used as raw material. The physical and chemical indicators of Qula casein are 93.4% protein, 2.0% fat and 1.7% ash.

[0024] 2. Extrusion and puffing: Add koji casein into the extruder at a uniform speed, and add 15% of its mass purified water at the same time, so that the koji casein and purified water can be mixed at a temperature of 110°C and the screw speed Extrusion and puffing are carried out in a 420r / min extruder, and the time is controlled at 25s.

[0025] 3. Pulverization: place the expanded casein on the conveyor belt, let it cool naturally, dry it, and then enter the pulverizer to obtain the modified casein powder product.

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Abstract

A production method of modified casein, which directly uses koji casein as a raw material to produce modified casein through extruder expansion, effectively improves the stringiness of koji casein, doubles the stringiness, basically reaches The standard of fresh milk casein; the invention improves the emulsification, solubility and viscosity enhancement of Qura casein, the improvement of the production process of casein and the quality of the product, and improves the poor solubility and product quality of the existing Qura casein. Problems such as bad smell. The modified casein product obtained at the same time has high viscosity, good product fluidity, good color and luster, normal smell, crystalline state of the product, good solubility properties, and has reached a higher product quality standard. Protein, The contents of various physical and chemical indicators of fat and ash meet the standards.

Description

technical field [0001] The invention relates to the technical field of modification of Qula casein, in particular to a production method of modified casein. Background technique [0002] Casein is a powder or granular product obtained by adding acid or rennet to skim milk to precipitate casein, and then washing, dehydrating, granulating, drying and other processes. Nitrogen-containing compounds account for about 2.5% of milk components and 81.9% of the total protein in milk. Casein is divided into industrial casein and edible casein. Industrial casein has good properties such as adhesion, film formation, brightness, emulsification, stability, etc. It is mainly used in leather, papermaking, paint, plastics, textiles, electrochemistry, latex, photosensitive materials, military industry, arts and crafts, printing, glue, medicine It is a widely used chemical raw material, an ideal green adhesive basic material for various industries, and a raw material that cannot be replaced ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23J1/22A23P30/34
Inventor 刘兴龙张玉平拜海龙王蓉柴金贵王东东马金丽马金勇俞树孝
Owner GANSU PULUO BIOTECH
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