The role of Streptococcus thermophilus

Streptococcus thermophilus is considered to be "generally recognized as safe sex (GRAS)" component, widely used in the production of some important fermented dairy products, including yogurt and cheese (such as Switzerland, Limburg cheese). Streptococcus thermophilus also has some functional activity, such as the production of extracellular polysaccharides, bacteriocins and vitamins. In addition, Streptococcus thermophilus can be used as a potential beneficial bacteria, has proved its health effects, transport activity and certain gastrointestinal adhesion. Therefore, we need to explore different Streptococcus thermophilus ability to produce different metabolites, not just the amount of lactic acid fermentation. Streptococcus thermophilus to improve the intestinal micro-environment, reduce the intestinal pH, and promote bowel movements to prevent pathogen colonization, bacteria inhibits the secretion of growth of pathogenic bacteria. Streptococcus thermophilus can regulate blood pressure, inhibition of cholesterol synthesis activity, lower serum cholesterol levels, and its fermentation products can be adjusted to control blood pressure Streptococcus thermophilus have anticancer effects, the resulting polysaccharides, bacteriocins, lactic acid and other anti-tumor activity role, through the activation of the immune system, inhibit cell mutation to resistance to tumors.
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