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KMID : 1007520210300111417
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Food Science and Biotechnology
2021 Volume.30 No. 11 p.1417 ~ p.1425
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Combined effects of BARLEYmax and cocoa polyphenols on colonic microbiota and bacterial metabolites in vitro
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Nagata Ryuji
Sato Shun
Kilua Aldrine
Fukuma Naoki
Nakayama Yasunori
Kitazono Eiichi
Aoyama Toshiaki
Han Kyu-Ho
Fukushima Michihiro
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Abstract
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BARLEYmax, a barley variety, and cocoa polyphenols (CPPs) have been reported to affect bacterial metabolites in the colon. This study aimed to evaluate the combined effects of BARLEYmax and CPPs supplementation on fecal microbiota in vitro using pig feces for 48 h. The relative abundances of the family Clostridiaceae and the genus Clostridium and ammonia?nitrogen production were decreased by both BARLEYmax and CPP supplementation, and there was a positive correlation between their abundances and the ammonia?nitrogen concentration. Although acetate and n-butyrate production was decreased by CPP supplementation, their concentrations were maintained at a higher level in the BARLEYmax?+?CPP group than in the cellulose (control) and cellulose?+?CPP groups. Therefore, this study demonstrated that a combination of BARLEYmax and CPPs may be beneficial in maintaining higher short-chain fatty acid production and the elimination of potentially harmful factors.
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KEYWORD
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BARLEYmax, n-butyrate, Cocoa polyphenol, Colonic microbiota, Short-chain fatty acid
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