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Method for preparing high-protein food-grade plasma protein powder

A plasma protein powder, high-protein technology, applied in protein food components, blood protein components, food science and other directions, can solve the problem of less application, achieve high biosafety, reduce production energy consumption, and save costs.

Inactive Publication Date: 2012-01-18
天津宝迪农业科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The extended product of ordinary spray-dried plasma protein powder is only high-protein and low-ash plasma protein powder, because its biological safety can only be applied in the feed and breeding industry, and the application in the food industry is still very small, almost blank

Method used

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  • Method for preparing high-protein food-grade plasma protein powder
  • Method for preparing high-protein food-grade plasma protein powder
  • Method for preparing high-protein food-grade plasma protein powder

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Embodiment Construction

[0021] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0022] A preparation method of high-protein food-grade plasma protein powder, the steps are as follows:

[0023] (1) Blood collection and anticoagulation: collect healthy and fresh pig blood, add sodium citrate anticoagulant with a concentration of 4.5‰, and refrigerate at 0°C-4°C;

[0024] The anticoagulant is one or a combination of sodium citrate, sodium tripolyphosphate and EDTA, and the additive ratio is 4.5‰.

[0025] (2) Separation and cold storage: the pig blood was divided into plasma liquid and blood cell liquid with a tubular separator, and the proportion of plasma liquid was 59%. Plasma liquid is put into storage tanks and refrigerated at 0°C-4°C, and blood cell liquid is directly spray-dried;

[0026] The specific gravity of t...

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Abstract

The invention relates to a method for preparing high-protein food-grade plasma protein powder, which comprises the following steps of: sampling blood; anticoagulating; separating; refrigerating; film concentrating; spraying and drying; packing for the first time (inner packing); sterilizing with microwave; and packing for the second time (outer packing). A product prepared according to the preparation method disclosed by the invention has high protein content, high immunoglobulin content and low ash content; film concentrating equipment can be used for eliminating water and salt in plasma, reducing the ash content in the plasma protein powder and enhancing the content of protein of the plasma protein powder and immunoglobulin; the concentration process is performed at normal temperature; the protein in the plasma does not undergoes chemical reaction or phase change; other impurities cannot be brought in; decomposition and denaturation of the protein in the plasma cannot be caused; therefore, effective components in the plasma cannot be destructed; simultaneously, the method of combining a drying method in which the temperature is lower than the temperature of a spray drying inlet and a spray drying outlet with a microwave drying technology is adopted; and nutrient components with physiological activity in the plasma can be further reserved in the drying process.

Description

technical field [0001] The invention relates to a preparation method of a food additive, in particular to a preparation method of high-protein food-grade plasma protein powder. Background technique [0002] At present, the domestic plasma protein powder is mainly added to the feed of piglets, which is used to treat the stress response of piglets during early weaning, enhance the immunity of piglets, increase the feed intake of piglets, and improve the health of piglets. production performance. Domestic competition for blood resources is fierce. Under the premise that raw materials, costs, and technologies are all transparent, it is unrealistic for manufacturers to rely on price wars to occupy the high ground of the market. With the improvement of product quality and the birth of high value-added products in the market, the continuous in-depth development capability determines the competitiveness of the market. The extended product of ordinary spray-dried plasma protein pow...

Claims

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Application Information

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IPC IPC(8): A23J1/06
Inventor 于福满习晓博臧盛
Owner 天津宝迪农业科技股份有限公司
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