Kefir is a fermented milk drink originating in the north Caucasus Mountains and is a rich source of probiotics. Probiotic bacteria found in kefir products include Lactobacillus acidophilus, Bifidobacterium bifidum, Streptococcus thermophilus, Lactobacillus delbrueckii subsp. bulgaricus, Lactobacillus helveticus, Lactobacillus kefiranofaciens, Lactococcus lactis, and Leuconostoc species. It has even been mentioned in the writings of Marco Polo of his travels among the Tartars: “They drink … Continue reading Culturing Milk Kefir