alexa Effect of tea polyphenols on fecal flora and fecal metabolic products of pigs.
Bioinformatics & Systems Biology

Bioinformatics & Systems Biology

Journal of Proteomics & Bioinformatics

Author(s): Hara H, Orita N, Hatano S, Ichikawa H, Hara Y,

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Abstract The effects of tea polyphenols on fecal flora and fecal metabolic activities were studied in eight 30-day-old pigs fed a basal diet (control) or the diet supplemented with 0.2\% of tea polyphenols for 2 weeks. During tea polyphenol administration compared to before administration, the levels of lactobacilli were increased significantly (P < 0.05 and P < 0.01 on days 7 and 14 of administration, respectively), whereas the levels of total bacteria (P < 0.01) and bacteroidaceae (P < 0.01 and P < 0.001 on days 7 and 14 of administration, respectively) were decreased significantly. The detection rate of lecithinase positive clostridia including Clostridium perfrigens showed a tendency to decrease during administration. No detectable change occurred in the levels of other organisms throughout the experimental period. Fecal concentrations of ammonia were decreased significantly (P < 0.05 and P < 0.01 on days 7 and 14 of administration, respectively). Fecal phenol (P < 0.001), p-cresol (P < 0.05), and skatol (P < 0.01) were reduced significantly on day 14 of administration compared to before administration. The amounts of fecal short chain fatty acids, acetic acid (P < 0.05) and lactic acid (P < 0.05) were increased significantly on day 14 of administration. The pH values were decreased slightly during administration. The odour of the feces was reduced remarkably during tea polyphenol administration.
This article was published in J Vet Med Sci and referenced in Journal of Proteomics & Bioinformatics

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