Effect of yogurt containing Bifidobacterium lactis BB-12 on improvement of defecation and fecal microflora of healthy female adults
2004
Nishida, S. (Koiwai Dairy Products Co. Ltd., Yokohama (Japan). Technical Development Center) | Gotou, M. | Akutsu, S. | Ono, M. | Hitomi, Y. | Nakamura, T. | Iino, H.
To elucidate the effect of yogurt containing Bifidobaderium lactis BB-12 (4 x 10**9 cfu/100 g, BB-12 yogurt) on the defecation for intestinal microflora, a placebo control cross-over trial was conducted. Twenty nine female adults (average age 22.0 years) were divided into two groups, and either of BB-12 yogurt or placebo yogurt without Bifidobacterium lactis BB-12 was administered at 100 g/day for 14 days. The defecation frequency (days) obviously increased during BB-12 yogurt period compared to placebo yogurt period in the subjects with mild constipation. The fecal microflora of 20 adults selected from 29 adults were studied. Increase of the number of Bifidobaderium and ratio of Bifidobaderium to total bacteria, decrease of the number of Bacteroidaceae and ratio of Bacteroidaceae to total bacteria, decrease of ratio of Enterobacteriaceae to total bacteria, improvement of fecal shape were obviously observed during BB-12 yogurt period compared to placebo yogurt period in the subjects with mild constipation. These results suggest that the yogurt containing Bifidobaderium lactis BB-12 shows to improve the defecation, intestinal microflora and intestinal environment.
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