TY JOUR TI A METHOD FOR PROCESSING OF KERATIN-CONTAINING RAW MATERIAL USING A KERATINASE-PRODUCING MICROORGANISM STREPTOMYCES ORNATUS S 1220 KW keratin KW secondary raw materials KW processing KW keratinase-producing microorganism KW enzyme KW protein KW cultivation KW keratinase activity KW bioconversion JO Foods and Raw Materials AU Kriger, O.V. AU Poletaev , A.. AU Mitrokhin , P.. PY 2013 IS 1 PB Kemerovo State University