Short peptide protein powder preparation method using livestock blood as material

A protein powder and short peptide technology, which is applied in animal protein processing and other fields, can solve the problems of low amino nitrogen content, difficult digestion and absorption, and low dissolution rate of nutrients, so as to increase amino acid content, ensure biological safety, and shorten production. the effect of time

Inactive Publication Date: 2006-10-11
SICHUAN UNIV
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Problems solved by technology

The reasons are: one is that the blood cell wall breaking rate in the product is low, and the nutrient substance dissolution rate in the cell is low; Low nitrogen content, difficult to digest and absorb, indirectly reduces the nutritional value of livestock blood protein powder
The third is that the product has a bloody smell, poor palatability, and also has a darker color. It has great limitations as a food additive, even as a pig feed additive. Because the bloody smell of other livestock blood is heavier, Such as cattle, sheep blood, etc. Therefore, under the current technical conditions, it is difficult to use it as a raw material for the production of animal blood protein powder. The problem of environmental pollution caused by the discharge of other animal blood still exists, and at the same time, precious protein is wasted in vain. resource

Method used

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  • Short peptide protein powder preparation method using livestock blood as material
  • Short peptide protein powder preparation method using livestock blood as material

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Effect test

Embodiment 1

[0039] A production method for preparing plasma short peptide protein powder and blood cell short peptide protein powder from livestock blood, comprising the following process steps:

[0040] 1. Use aseptic method to collect fresh livestock blood from slaughterhouses qualified for health and quarantine, and then quickly add sodium citrate for anticoagulation, and the amount added is about 6g per liter of blood.

[0041] 2. Transport the livestock blood prepared in the previous process to the processing plant with a stainless steel car, and centrifuge it with a high-speed centrifuge at a speed of about 16,000r / min for about 8 minutes. The livestock blood is divided into two parts: plasma and blood cells, and the upper layer is light yellow. Plasma raw material solution, the lower layer is dark red blood cell raw material solution.

[0042] 3. After the separation in the previous process, the blood cells are firstly lysozyme-lysed, and then treated with microwaves. The lysozyme...

Embodiment 2

[0050] A production method for preparing plasma short peptide protein powder and blood cell short peptide protein powder from livestock blood, comprising the following process steps:

[0051] 1. Use aseptic method to collect fresh livestock blood from slaughterhouses qualified for health and quarantine, and then quickly add trisodium citrate anticoagulant, and the amount added is about 8g per liter of blood.

[0052] 2. The livestock blood prepared in the previous process is transported to the processing plant with a stainless steel car, and centrifuged in a high-speed centrifuge with a speed of about 12,000r / min for about 6 minutes. The livestock blood is divided into two parts: plasma and blood cells, and the upper layer is light yellow plasma. Raw material solution, the lower layer is dark red blood cell raw material solution.

[0053] 3. For the hemocytes separated by the previous process, microwave irradiation is used to break the wall, and then lysozyme is used to break ...

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Abstract

The invention discloses a method for preparing plasma or blood cell short-peptide albumen powder taking stock blood as raw material. The process comprises following steps: separating the stock blood into plasma and blood cell with centrifugal machine; breaking cell wall of plasma with microwave and enzyme, mixing with blood cell for dissolution; adding denaturant for protein, then adding biological enzyme for enzymolysis, the protein in plasma and blood cell is enzymolized into short-peptide protein and amino acid; drying by spraying and getting the product. The invention solves problems of low cell wall breaking rate of plasma and low content of short-peptide and amino nitrogen, and retains vitamin, iron, potassium and calcium in blood. The product can be used as feed addictive and food additives for pigling.

Description

1. Technical field [0001] The present invention relates to a technology for producing short peptide protein powder using livestock blood as raw material, more specifically relates to a technology for producing short peptide protein powder using fresh livestock blood as a base material through microwave, biological enzyme method and spray drying and other technical measures Powder, plasma short peptide protein powder and blood plasma mixed short peptide protein powder production technology. 2. Technical background [0002] Livestock blood is a nutritious high-protein food. Taking pig blood as an example, the protein content per 100g of fresh pig blood is 18.9%, non-protein organisms 1.2%, minerals 0.9%, and water 79.0%. Its amino acid composition is balanced, containing more than 18 kinds of amino acids, including 8 kinds of essential amino acids and two semi-essential amino acids. Twice the content of meat, milk and eggs. In addition, it also contains a variety of biologic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J3/12
Inventor 刘学文徐长久
Owner SICHUAN UNIV
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