FIELD: animal raw processing. SUBSTANCE: parent raw is washed firstly with a mixture of formic acid and oxidizing agent and after washing - with sodium hydroxide and oxidizing agent. Acid is added to the obtained semifinished product, protein deposit is dialysed and redissolved in weak alkaline medium followed by preserving agent addition. The end product is homogenized and filtered. Product is used in veterinary science, pharmaceutical and cosmetic industry. EFFECT: intensified process, decreased cost of keratin preparing. 3 tbl
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