期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 71, 期 36, 页码 13346-13362出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jafc.3c03948
关键词
insoluble dietary fiber; okara; high-fat diet; antiobesity; gut microbiota; metabolites
High-purity IDF derived from okara (HPSIDF) combined with intermittent fasting (IF) treatment synergistically alleviated dyslipidemia, impaired glucose homeostasis, systemic inflammation, and fat accumulation induced by a high-fat diet (HFD). Furthermore, HPSIDF combined with IF treatment recovered gut microbiota dysbiosis and lowered short-chain fatty acid synthesis. Metabolomic analysis revealed that HPSIDF combined with IF treatment reversed the alterations of metabolic pathways and differential metabolites induced by HFD, which were linked to the modulations of the gut microbiota.
Insoluble dietary fiber (IDF) was recently revealed to have an antiobesity impact. However, the impact and potential mechanism of high-purity IDF derived from okara (HPSIDF) on obesity caused by a high-fat diet (HFD) remain unclear. Except for dietary supplementation, intermittent fasting (IF) has attracted extensive interest as a new dietary strategy against obesity. Thus, we hypothesize that HPSIDF combined with IF treatment may be more effective in preventing obesity. In this study, HPSIDF combined with IF treatment synergistically alleviated HFD-induced dyslipidemia, impaired glucose homeostasis, systemic inflammation, and fat accumulation. Furthermore, gut microbiota dysbiosis and lowered short-chain fatty acid synthesis were recovered by HPSIDF combined with IF treatment. Meanwhile, metabolomic analysis of feces revealed that HPSIDF combined with IF treatment obviously reversed the alterations of metabolic pathways and differential metabolites induced by HFD, which were linked to the modulations of the gut microbiota. Collectively, our findings indicated that HPSIDF combined with IF treatment has great potential to substantially enhance antiobesity efficacy by modulating the gut microbiota and its metabolites.
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