Cornstarch fermentation by the colonic microbial community yields more butyrate than does cabbage fiber fermentation; cornstarch fermentation rates correlate negatively with methanogenesis
| Autor: | Meyer J. Wolin, Gary A Weaver, Terry L. Miller, Jean A. Krause |
|---|---|
| Rok vydání: | 1992 |
| Předmět: |
Dietary Fiber
Colon Methanogenesis Medicine (miscellaneous) Brassica Butyrate Euryarchaeota Butyric acid Feces Acetic acid chemistry.chemical_compound Animals Humans Fiber Food science Rats Inbred BUF chemistry.chemical_classification Analysis of Variance Nutrition and Dietetics Fatty Acids Proteins Fatty acid Substrate (chemistry) Rats Inbred Strains Starch DNA Rats Butyrates chemistry Biochemistry Rats Inbred Lew Fermentation Carbohydrate Metabolism Methane |
| Zdroj: | The American Journal of Clinical Nutrition. 55:70-77 |
| ISSN: | 0002-9165 |
| DOI: | 10.1093/ajcn/55.1.70 |
| Popis: | Fermentations of cornstarch and a cabbage- fiber preparation by human fecal suspensions were studied. The molar percent of butyrate oftotal short-chain fatty acid products was significantly higher when cornstarch was the substrate. Higher molar percents of butyrate were also produced from cornstarch as compared with endogenous substrate when rat fecal suspensions were used. A range ofcornstarch fermentation rates was found with suspensions from 20 human subjects. Rapid fermentation was associated with the absence of methane pro- duction. Methane-negative rat fecal suspensions also fermented cornstarch more rapidly than did methane-positive suspensions. High butyrate production may be important because butyrate provides energy to colonocytes and it regulates differentiation ofcultured cells. Am J C/in Nutr i992;55:70-7. |
| Databáze: | OpenAIRE |
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