益生菌,在国际营养学界普遍认可的定义是对人和动物有益的细菌,能够定植于人体肠道等黏膜表层,能产生确切健康功效从而改善宿主微生态平衡、发挥有益作用,可以直接作为食品或食品添加剂服用。目前,国内外市场上的益生菌产品种类多样,传统的豆豉、酱菜,含益生菌的酸奶、乳酪、酸豆奶,以及超市柜台上名目繁多的益生菌饮料,含益生菌的奶粉,作为药品使用的含多种 Probiotics, commonly recognized in the international nutrition community as human and animal beneficial bacteria, can be colonized in human intestinal and other mucosal surface, can produce the exact health effects to improve the host micro-ecological balance, play a beneficial role, can be directly used as food Or food additives. At present, there are many types of probiotics in domestic and foreign markets. Traditional bean curd, pickles, yogurt containing probiotics, yoghurt, and various kinds of probiotic drinks on the supermarket counter, and probiotics-containing powdered milk are used as medicines With a variety of