TY JOUR TI EFFECT OF FREEZING ON THE BIOCHEMICAL AND ENZYMATIC ACTIVITY OF LACTOBACILLUS BULGARICUS KW freezing KW low temperature storage KW biochemical and morphological properties of L. bulgaricus KW antagonistic activity JO Foods and Raw Materials AU Korotkiy, I.A. AU Korotkaya, E.V. PY 2013 IS 1 PB Kemerovo State University