THE EFFECT OF FROZEN STORAGE ON THE SURVIVAL OF MICROORGANISMS AND THEIR PRODUCTS FOUND KEFIR
Kefir is fermented milk traditionally made from a unique starter culture, which consists of numerous bacteria and yeast species bound together in an exopolysaccharide matrix produced by certain lactic acid bacteria. Many health benefits are associated with traditionally produced kefir; however, bulging and leaking packaging, caused by secondary yeast fermentation during storage, has limited large scale manufacture traditionally produced kefir. Commercial kefir products have been designed to reduce these effects by using a pure starter culture consisting of a mixture of bacteria and yeast species that give a flavor similar to traditional kefir, but some health benefits may be lost in commercial production due to reduced microbial diversity and lack of beneficial exopolysaccharides. It was conclude that frozen storage and the development of frozen kefir products could eliminate most packaging concerns associated with the large scale manufacture of traditionally produced kefir, resulting in increased production and marketability of this healthful product.[Full Text Article]
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