Abstract
In order to search for a food most effective to promote the multiplication of Lactobacillus acidophilus in the intestine, cow's milk, whey, soybean juice, soybean juice whey, soybean infusion, swine liver infusion, tomato juice, and lactose-glucose-pepton solution were used as test specimens, and multiplication of L. acidophilus in these kinds of juice was examined and compared with that of L. bulgaricus.
The results were:
1) L. acidophilus was found to increase in all foods above mentioned, out of which soybean juice was most effective on multiplication, cow's milk, soybean infusion, tomato juice and swine liver infusion following.
The increase of the bacterial count was also recognized in lactose-glucose-pepton solution and soybean juice whey, while in whey little increase was observed.
2) On the other hand, L. bulgaricus multiplication was promoted in cow's milk, and in swine liver infusion it was comparatively good. But in whey only a little increase was observed and in the other foods even 96 hours's culture failed to promote the counts.
