益生菌在发酵乳制品中的应用益生菌在发酵乳制品中的应用 陕西师范大学食品学院陕西师范大学食品学院 张富新张富新1 益生菌的概念益生菌的概念 1.1 益生菌益生菌（Probitics,Probitic bacteria）The original definition of a probiotic was“a live microbial food supplement which beneficially affects the host animal by improving its intestinal microbial balance(Fuller,1989)”.一种通过改善肠道微生物平衡一种通过改善肠道微生物平衡从而对宿主施加有益影响的活性从而对宿主施加有益影响的活性微生物食品添加物。微生物食品添加物。Probiotic bacteria are live microbial strains that,when applied in adequate doses,beneficially affect the animal by improving its intestinal
