Low-ash donkey plasma protein powder and preparation method thereof
A technology of plasma protein powder and low ash content, which is applied in application, animal feed, animal feed, etc., can solve the problems of blood deterioration and waste, environmental pollution, etc., and achieve the effect of uniform and consistent finished products, avoiding secondary pollution, and reducing pollution
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Embodiment 1
[0025] A donkey plasma protein powder with low ash content, the raw material is fresh healthy donkey blood from the slaughterhouse, anticoagulant sodium citrate, sodium chloride is added to prevent hemolysis, refrigerated and sealed for transportation, sieved and then centrifuged, centrifugal force 80000g, centrifugation time 10min After separation, the plasma was refrigerated at 4°C-6°C. The ultrafiltration concentration and desalination temperature is 20°C, the pH of the feed liquid is 8, the ultrafiltration pressure is 0.12MPa, the cycle ultrafiltration time is 40min, and the feeding volume is 2000L. The air inlet temperature of the spray drying tower is 230°C, and the outlet air temperature is 90°C. The prepared plasma protein is off-white amorphous powder, uniform, no sundries, no smell of spoilage, its ash content ≤ 5%, crude protein ≥ 83%, immunoglobulin ≥ 22%, solubility ≥ 96%, volatile Basic nitrogen <260mg / kg; Salt ≤3.5 Crude ash ≤11.0 Moisture ≤9.0 Lysine ≥3.5% Cru...
Embodiment 2
[0027] A donkey plasma protein powder with low ash content. The raw material is fresh healthy donkey blood from the slaughterhouse. The anticoagulant is sodium citrate with a concentration of 0.7%, and sodium chloride with a concentration of 4% is added to prevent hemolysis. It is refrigerated and sealed for transportation. Centrifuge after sieving, the centrifugal force is 100,000g, the centrifugation time is 5min, and the plasma after separation is refrigerated at 4°C-6°C. The ultrafiltration concentration and desalination temperature is 18°C, the pH of the feed liquid is 8, the ultrafiltration pressure is 0.12MPa, the cycle ultrafiltration time is 40min, and the feeding volume is 2000L. The air inlet temperature of the spray drying tower is 360°C, and the outlet air temperature is 90°C. The prepared plasma protein is off-white amorphous powder, uniform, no sundries, no smell of spoilage, its ash content ≤ 5%, crude protein ≥ 83%, immunoglobulin ≥ 22%, solubility ≥ 96%, vola...
Embodiment 3
[0029] A donkey plasma protein powder with low ash content. The raw material is fresh healthy donkey blood from the slaughterhouse. The anticoagulant is sodium citrate with a concentration of 1%, and sodium chloride with a concentration of 5% is added to prevent hemolysis. It is refrigerated and sealed for transportation. Centrifuge after sieving, the centrifugal force is 5000g, and the centrifugation time is 8min. After separation, the plasma is refrigerated at 4°C-6°C. The ultrafiltration concentration and desalination temperature is 22°C, the feed liquid pH is 8, the ultrafiltration pressure is 0.12MPa, the circulating ultrafiltration time is 40min, and the feeding volume is 2000L. The air inlet temperature of the spray drying tower is 250°C, and the outlet air temperature is 85°C. The prepared plasma protein is off-white amorphous powder, uniform, no sundries, no smell of spoilage, its ash content ≤ 5%, crude protein ≥ 83%, immunoglobulin ≥ 22%, solubility ≥ 96%, volatile ...
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