TY JOUR TI BIOCHEMICAL ACTIVITY OF PROPIONIC ACID BACTERIA AND COMBINED SOURDOUGH BASED ON ADAPTED FORMULA KW Adapted mixture KW propionic acid bacteria KW symbiotic starter JO Food Processing: Techniques and Technology AU Boyarineva, I.V. AU Khamagaeva, I.S. PY 2013 IS 31 PB Kemerovo State University