Secondly, the healthy image of yogurt is because of Lactobacillus acidophilus, through the studies on effect of buffer, bios and other conditions to the growth of L.acidophilus.

• 其次，酸奶的疗效保健作用来源于嗜酸乳杆菌，通过研究缓冲盐、生长促进物质对该菌生长的影响，确定了适宜的培养基成分和发酵剂中菌种的配比。