TY JOUR TI Lactose-Free Buttermilk in Functional Fermented Dairy Drinks KW buttermilk KW lactose-free buttermilk KW functional properties of buttermilk KW bacterial starter cultures KW fermented dairy drinks made from buttermilk JO Cheese- and buttermaking AU Ostroukhova, I.L. AU Sumerkina, Y.S. PY 2026 IS PB Kemerovo State University