The invention relates to the
food technology field, in particular to a domestic DVS yoghurt
starter culture and a preparation method thereof. The invention discloses a domestic DVS yoghurt
starter culture which is freeze-dried
powder prepared from a composition containing a protective agent and probiotics. The domestic DVS yoghurt
starter culture is characterized in that the proportion by weight of the protective agent and the probiotics in the composition is equal to 1.0:0.1-100, wherein, the protective agent consists of the following components (proportion by weight): 0.1 percent to 5.0 percent of
sodium glutamate, 0.1 percent to 8.0 percent of milk
sugar, 0.1 percent to 2 percent of
antioxidant, 1 percent to 30 percent of milk
powder, 800.1 percent to 5.0 percent of glycerin or tween and water as the rest. The domestic DVS yoghurt starter culture disclosed by the invention has strong
fermentation activity and 5.0 multiplied by 10<6> cfu / g to 5.0 multiplied by 10<10> cfu / g of
viable count, can be inoculated directly when producing acidophilus milk or fermented dairy products without intermediate succesive transfer culture and being convenient for use, and can promote the specialization, socialization,
standardization and unification of the production of the acidophilus milk and other fermented dairy products and improve the quality of the fermented dairy products, thereby guaranteeing the interest and health of consumers.