Preparation method of pig blood fibrin polypeptide powder
A technology of fibrin and polypeptide powder, which is applied in the field of proteolysis and pig feed additive production, can solve the problems of high ash content, low absorption and digestibility, and reduced nutritional value of products, so as to improve absorption performance, increase production efficiency, The effect of low molecular weight
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[0023] A kind of porcine fibrin polypeptide powder, the raw material is the fibrous lump separated and collected from the plasma, which is cut into small pieces and then subjected to enzymatic hydrolysis, wherein the protease preparation is plasmin and acid protease, and the substrate concentration is 10%, the ratio of enzyme concentration to substrate concentration is 100000U / g, the ratio of plasmin to acid protease activity is 2:3, the pH value is 5.0, the temperature is 55°C, and the enzymolysis time is 2.5h. During spray drying, the sieve mesh is 60 mesh, the air inlet temperature is 280°C, the outlet air temperature is 90°C, the maximum water evaporation is 6kg / h, and the maximum rotation speed of the atomizing disc is 20000r / min. The ash content of the finally prepared porcine fibrin polypeptide powder is less than or equal to 1.3%, the crude protein content is greater than or equal to 91.6%, wherein the soluble nitrogen is greater than or equal to 34.5%, the average mole...
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