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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Four-week short chain fructo-oligosaccharides ingestion leads to increasing fecal bifidobacteria and cholesterol excretion in healthy elderly volunteers
Nutrition Journal, Volume 6, Article 42, Year 2007
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Description
Background. Short-chain fructo-oligosaccharides (scFOS) are increasingly used in human diet for their prebiotic properties. We aimed at investigating the effects of scFOS ingestion on the colonic microflora and oro-fecal transit time in elderly healthy humans. Methods. Stools composition, oro-fecal transit time, and clinical tolerance were evaluated in 12 healthy volunteers, aged 69 ± 2 yrs, in three consecutive periods: basal period (2 weeks), scFOS (Actilight®) ingestion period (8 g/d for 4 weeks) and follow-up period (4 weeks). Two-way ANOVA, with time and treatment as factors, was used to compare the main outcome measures between the three periods. Results. Fecal bifidobacteria counts were significantly increased during the scFOS period (9.17 ± 0.17 log cfu/g vs 8.52 ± 0.26 log cfu/g during the basal period) and returned to their initial values at the end of follow-up (8.37 ± 0.21 log cfu/g; P < 0.05). Fecal cholesterol concentration increased during the scFOS period (8.18 ± 2.37 mg/g dry matter vs 2.81 ± 0.94 mg/g dry matter during the basal period) and returned to the baseline value at the end of follow-up (2.87 ± 0.44 mg/g dry matter; P < 0.05). Fecal pH tended to decrease during scFOS ingestion and follow-up periods compared to the basal period (P = 0.06). Fecal bile acids, stool weight, water percentage, and oro-fecal transit time did not change throughout the study. Excess flatus and bloating were significantly more frequent during scFOS ingestion when compared to the basal period (P < 0.05), but the intensity of these symptoms was very mild. Conclusion. Four-week 8 g/d scFOS ingestion is well tolerated and leads to a significant increase in fecal bifidobacteria in healthy elderly subjects. Whether the change in cholesterol metabolism found in our study could exert a beneficial action warrants further studies. © 2007 Bouhnik et al; licensee BioMed Central Ltd.
Authors & Co-Authors
Bouhnik, Yoram
France, Clichy
Hôpital Beaujon
Achour, Lotfi
Tunisia, Monastir
Institut Supérieur de Biotechnologie de Monastir
Paineau, Damien
France, Rueil-malmaison
Nutri-health sa
Riottot, Michel
France, Gif-sur-yvette
Université Paris-saclay
Attar, Alain
France, Clichy
Hôpital Beaujon
Bornet, Francis R.J.
France, Rueil-malmaison
Nutri-health sa
Statistics
Citations: 131
Authors: 6
Affiliations: 4
Identifiers
Doi:
10.1186/1475-2891-6-42
e-ISSN:
14752891
Research Areas
Environmental
Study Design
Cohort Study