Symbiotic associations of different, predominantly LACTIC ACID-producing bacteria and yeast that exist in a polysaccharide and protein matrix, forming small grain-like aggregates in KEFIR.

A beverage made from milk fermented by a mixture of endogenous LACTIC ACID-producing yeast and bacteria (KEFIR GRAINS), many of which are PROBIOTICS. It should not be confused with KAFFIR LIME or KAFFIR CORN.

Synonyms: Kefir, Grain, Kefir, Kefir Grains, Kefir Grain, Grains, Kefir