In this study, we evaluated the quality of kefir with combined additions oat milk (8, 12, and 16% w/v) Lacticaseibacillus casei AP (2 4% v/v), observed products’ physicochemical characteristics (nutrient content, pH acidity, viscosity syneresis, ethanol concentration, fatty acid profiles), microbiological (total lactic bacteria, total plate count, probiotic, yeast), sensory characteristics. The...