Authors: Meance S.; Cayuela C.; Turchet P.; Raimondi A.; Lucas C.; Antoine J-M.

Source: Microbial Ecology in Health and Disease, Volume 13, Number 4, 1 December 2001 , pp. 217-222(6)

Publisher: Informa Healthcare

Abstract:

Fermented milks have been proposed to modulate gut transit time. Reduction of long transit times may be of importance in decreasing susceptibility to some large bowel diseases. Objective: to assess the effect on gut transit time in free-living elderly of a regular consumption of the milk fermented by the probiotic strain Bifidobacterium animalis DN-173 010 (108 CFU g) and lactic acid cultures (108 CFU g) (BM). Design: a randomized study was performed with 4 groups: 50 subjects with a stable transit time under 40 h (UTT: 24.6 h, SD =1.7) and 50 subjects with a stable transit time over or equal to 40 h (OTT: 64.1 h, SD =13.3) were included. Subjects from each transit group were randomly assigned to eat during 2 weeks, either 2 or 3 servings per day of BM. The oro-fecal transit time was measured before and after BM consumption using a colored marker technique. Results: in the 4 groups, comparing values before and after BM consumption, the transit time reductions were statistically significant, being around 10% in UTT and around 40% in OTT (p <0.001). In UTT as well as in OTT, 3BM were more active than 2BM (p <0.05). Conclusions: in elderly, the long gut transit times have been shortened by a 2-week regular consumption of the milk fermented with the strain Bifidobacterium animalis DN-173 010 and lactic cultures. This specific fermented milk can be considered as a functional food.

Language: English

Document Type: Research article

Publication date: 2001-12-01

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