FIELD: food industry; biotechnology.
SUBSTANCE: method for obtaining a dry powder of blood proteins from slaughter animals includes the following steps: mixing freshly collected blood from slaughter animals with an anticoagulant solution, stirring the obtained blood using an overhead anchor mixer at medium speed, with purified water being poured with constant stirring, filtering the resulting solution through a coarse filter, dialysis of the resulting crude solution when changing the dialysis fluid or when completely replacing the dialysis fluid every 1-2 hours, and each one dialysis cycle lasting at least 8 hours, a twice diluted desalted solution of the total blood proteins is obtained, drying using spray drying at a temperature of 115-120°C.
EFFECT: invention makes it possible to increase the protein yield relative to the initial product, to reduce its moisture content and to increase its emulsifying properties.
4 cl, 1 dwg, 3 tbl, 5 ex
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