Nowadays kefir is one of trending topic in the world especially beverage topic. Kefir can be defined as a fermented milk drink made by actions bacteria and yeasts which are contained grains. has unique taste properties. In general, grains contain relatively stable specific microbiota enclosed matrix polysaccharides proteins, but populations individual seem to contribute characteristics present ...

Background: Recently, exploring novel dietary nondigestible carbohydrates, which are able to influence the gut flora, has drawn much attention. The objective of this study was to find out the effective dose of levan, as a prebiotic, in rats in order to further apply it in the food industry. Methods: Levan at various doses (2-10%) was orally administered to male Wistar Albino rats once a day for...