Effects of a new fermented milk prepared using <I>Lactobacillus gasseri</I> SBT2055 and <I>Bifidobacterium longum</I> SBT2928, both of human origin, on the defecation freq u e n cy and fecal microflora of healthy human adults

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  • ヒト由来の<I>Lactobacillus gasseri</I> SBT2055および<I>Bifidobacterium longum</I> SBT2928を加えて調製した発酵乳の摂取による健常成人での便通,便性および糞便内細菌叢への影響

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Abstract

Effects of the intake of a new fermented milk prepared using Lactobacillus gasseri SBT2055 and Bifidobacterium longum SBT2928, both of human origin, in addition to the yogurt species, Streptococcus thermophilus and Lactobacillus delbrueckii subsp. bulgaricus on the fecal microflora and related properties were studied in 49 healthy adults (11 men,38 women, average age 41.2years). Administration of 100 g/day of the milk for 15 days improved both the defecation frequency and the fecal properties. Analysis of the fecal microflora in 9 adults (2 men,7 women, average age of 43.4 years) selected from the above volunteers showed increases in the number of Bifidobacterium and its ratio to the total fecal microflora (from 6.2% to 14.5%, p<0.05), thus showing it to be superior to traditional fermented milk prepared with only S. thermophilus and L. delbrueckii subsp. bulgaricus. Administration of 300g/day of the newly prepared fermented milk to five healthy adults (5 men, average age of 48.4 years) for 15 days showed no unfavorable effects. This new fermented milk shows great promise for use as an effective probiotic to improve the intestinal environment in humans.

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