The mixed ferment of Bifidibacterium infantis, Lactobacillus acidophillus and Streptococcus thermophilus was studied in the cultures of different raw naterials.

• 选用几种不同的原料作为基质，对双歧杆菌、嗜酸乳杆菌和嗜热链球菌混合发酵进行了研究。