Effect of dose and timing of Burdock (Arctium lappa) root intake on intestinal microbiota of mice

Aya Watanabe, Hiroyuki Sasaki, Hiroki Miyakawa, Yuki Nakayama, Yijin Lyu, Shigenobu Shibata

研究成果: Article

抜粋

Water-soluble dietary fiber such as inulin improves the beta diversity of the intestinal microbiota of mice fed with a high-fat diet (HFD). The circadian clock is the system that regulates the internal daily rhythm, and it affects the pattern of beta diversity in mouse intestinal microbiota. Burdock (Arctium lappa) root contains a high concentration of inulin/fructan (approximately 50%) and is a very popular vegetable in Japan. Arctium lappa also contains functional substances that may affect intestinal microbiota, such as polyphenols. We compared the effects of inulin and A. lappa powder on the diversity of the intestinal microbiota of HFD-fed mice. 16S rDNA from the intestinal microbiota obtained from feces was analyzed by 16S Metagenomic Sequencing Library Preparation. It was found to have a stronger effect on microbiota than inulin alone, suggesting that inulin has an additive and/or synergic action with other molecules in A. lappa root. We examined the effects of intake timing (breakfast or dinner) of A. lappa on intestinal microbiota. The intake of A. lappa root in the evening had a stronger effect on microbiota diversity in comparison to morning intake. Therefore, it is suggested that habitual consumption of A. lappa root in the evening may aid the maintenance of healthy intestinal microbiota.

元の言語English
記事番号220
ジャーナルMicroorganisms
8
発行部数2
DOI
出版物ステータスPublished - 2020 2

ASJC Scopus subject areas

  • Microbiology
  • Virology
  • Microbiology (medical)

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