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Production method for modified casein

A production method and casein technology are applied in the production field of modified casein, which can solve the problems of bad smell and poor solubility of the product, and achieve the effects of good solubility, improved stringiness and poor solubility.

Active Publication Date: 2014-09-10
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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  • Production method for modified casein
  • Production method for modified casein

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, add 15% of its mass purified water at the same time, make koji casein and purified water at a temperature of 110°C and 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

The invention discloses a production method for modified casein. Qula casein is directly used as a raw material and is puffed through an extruder to produce the modified casein, so that the wire drawing property of the qula casein is effectively improved and is doubled, so that the standard of fresh milk casein is basically met. The emulsibility, the dissolving property and the viscosity of the qula casein are enhanced, and the casein production technology and the quality of a product are improved; the problems of low dissolving property, odor of the product and the like of conventional qula casein are solved; meanwhile, the obtained modified casein product is high in viscosity and high in flowability; the product has a bright color, smells normally, is crystalline, has a good dissolving characteristic, and can meet a high product quality standard; all physical and chemical indexes such as proteins, fat and ash meet the standard.

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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IPC IPC(8): A23J1/22A23P1/14A23P30/34
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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