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Preparation method of modified livestock and poultry plasma protein powder

A technology of plasma protein powder and animal blood, which is applied in the direction of blood protein components, protein food processing, protein food components, etc., can solve the problems that affect the application of plasma protein powder, heavy blood smell, high ash content, etc., and achieve the solution of blood plasma protein smell Odor, increase surface hydrophobicity, reduce ash

Active Publication Date: 2013-04-17
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitations of the existing plasma protein powder processing technology, the products generally have problems such as high ash content, large difference in protein content compared with plant protein raw materials, and heavy bloody smell, which seriously affects the use of plasma protein powder in meat products and other foods. application
In addition, protein raw materials with better emulsification and gelatinity are needed in emulsified sausage meat products and some foods, and there is no report on the preparation of protein powder with high emulsification and gelatinity by modifying plasma protein

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Raw material selection: fresh pig blood from healthy pigs

[0025] processing methods:

[0026] A. Use food-grade sodium citrate to prepare 5% anticoagulant solution by mass, collect fresh pig blood, and add anticoagulant solution to the pig blood according to the volume ratio of pig blood and anticoagulant solution 10 / 1 (V / V) , stir slowly and evenly to obtain anticoagulant pig blood; pump the obtained anticoagulant pig blood into a sealed refrigeration tank with a diaphragm pump and store it at 0°C to 6°C for standby, and the storage time is ≤12h;

[0027] B. After passing the anticoagulated pig blood through a 20-mesh stainless steel filter, separate it with a separate tubular separator to obtain blood cell liquid and plasma liquid, wherein the solid content of the plasma liquid is 7.6%, and pass the plasma liquid through a 100-mesh filter bag , pumped into a roll-type ultrafiltration membrane concentration system with a molecular weight cut-off of 5000D, circulatin...

Embodiment 2

[0058] Raw material selection: fresh blood of healthy cows

[0059] processing methods:

[0060] A. Use food-grade sodium citrate to prepare 5% anticoagulant solution by mass, collect fresh cow blood, and add anticoagulant solution to the cow blood according to the volume ratio of cow blood and anticoagulant solution 10 / 1 (V / V) , stir slowly and evenly to obtain anticoagulated bovine blood; pump the obtained anticoagulated bovine blood into a sealed refrigeration tank with a diaphragm pump and store it at 0°C to 6°C for standby, and the storage time is ≤12h;

[0061] B. After passing the anticoagulated bovine blood through a 20-mesh stainless steel filter, separate it with a separate tubular separator to obtain blood cell fluid and plasma fluid, wherein the solid content of the plasma fluid is 8.8%, and pass the plasma fluid through a 100-mesh filter bag , pumped into the roll-type ultrafiltration membrane concentration system with a molecular weight cut-off of 5000D, circula...

Embodiment 3

[0071] Raw material selection: fresh blood of healthy chicken

[0072] processing methods:

[0073] A. Use food-grade sodium citrate to prepare 6% anticoagulant solution by mass, collect fresh chicken blood, and add anticoagulant solution to chicken blood according to the volume ratio of chicken blood and anticoagulant solution 10 / 1 (V / V) , and slowly stir evenly to obtain anticoagulant chicken blood; pump the obtained anticoagulant chicken blood into a sealed refrigeration tank with a diaphragm pump and store it at 0°C to 6°C for standby, and the storage time is ≤8h;

[0074] B. Pass the anticoagulant chicken blood through a 20-mesh stainless steel filter, and then separate it with a separate tubular separator to obtain blood cells and plasma, wherein the solid content of the plasma is 5.6%, and pass the plasma through a 100-mesh filter bag , pumped into a roll-type ultrafiltration membrane concentration system with a molecular weight cut-off of 10,000D, circulating concentr...

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Abstract

The invention relates to a preparation method of modified livestock and poultry plasma protein powder. The method takes livestock and poultry slaughter fresh blood as a raw material and adopts a technique of original blood anticoagulation, refrigeration, plasma liquid separation, hyperfiltration membrane concentration, ultrasonic homogenizing, activated carbon adsorption, spray drying, far-infrared baking and microwave treatment to modify and prepare livestock and poultry plasma protein; compared with the common plasma protein powder, the prepared modified plasma protein powder has slight baking fragrance and has no bloody smell basically; the protein content is increased to 80%; the ash content is reduced below 8%; the gel strength of the protein can be increased by above 7 times at the utmost; and emulsifying activity and emulsifying stability of the protein are improved by 3-4 times and 2-3 times respectively. As the plasma protein powder is modified, the gelling and emulsifying properties of a product are improved remarkably; in addition, the ultrasonic homogenizing and the activated carbon adsorption are combined to remove bloody smell from the plasma protein; no chemical or biological agents are adopted during a whole course; and the purity of the product is ensured.

Description

technical field [0001] The invention belongs to the technical field of livestock and poultry blood processing and utilization, and in particular relates to a modification and preparation method of livestock and poultry plasma protein powder. Background technique [0002] my country is a big meat producing and consuming country in the world. Blood is one of the important by-products of livestock and poultry slaughtering, with an annual output of more than 3 million tons. The blood of livestock and poultry is rich in nutrients, with a protein content of nearly 18%. It is a good source of animal protein. It is also rich in various minerals, vitamins and small molecule peptides. It is known as "liquid meat". Blood is separated and spray-dried to obtain blood globulin powder and plasma protein powder. Plasma protein powder has high protein content, rich and balanced amino acids, and is a protein raw material equivalent to whole egg powder. [0003] At present, the production of ...

Claims

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Application Information

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IPC IPC(8): A23J1/06A23J3/00
Inventor 蔡克周姜绍通凌云霄王旗江城屠鲁彪陈瑞潘丽军陈从贵
Owner HEFEI UNIV OF TECH
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