Some biological characteristics such as the tolerance to acidity, bile salt and antibiotic of Lacto-bacillus acidophilus LAJ90 was studied by using MRS medium.

• 采用MRS培养基,对嗜酸乳杆菌LAJ90菌株的耐酸、耐胆汁盐及耐药性等部分生物学特性进行了研究。