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Open AccessArticle

Effect of Dose and Timing of Burdock (Arctium lappa) Root Intake on Intestinal Microbiota of Mice

1
Laboratory of Physiology and Pharmacology, School of Advanced Science and Engineering, Waseda University, Shinjuku-ku, Tokyo 162-8480, Japan
2
AIST-Waseda University Computational Bio Big-Data Open Innovation Laboratory (CBBD-OIL), National Institute of Advanced Industrial Science and Technology, Shinjuku-ku, Tokyo 169-85555, Japan
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Microorganisms 2020, 8(2), 220; https://doi.org/10.3390/microorganisms8020220
Received: 16 December 2019 / Revised: 25 January 2020 / Accepted: 4 February 2020 / Published: 6 February 2020
(This article belongs to the Section Gut Microbiota)
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. View Full-Text
Keywords: A. lappa (Arctium lappa); inulin/fructan; intestinal microbiota; chrononutrition A. lappa (Arctium lappa); inulin/fructan; intestinal microbiota; chrononutrition
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MDPI and ACS Style

Watanabe, A.; Sasaki, H.; Miyakawa, H.; Nakayama, Y.; Lyu, Y.; Shibata, S. Effect of Dose and Timing of Burdock (Arctium lappa) Root Intake on Intestinal Microbiota of Mice. Microorganisms 2020, 8, 220. https://doi.org/10.3390/microorganisms8020220

AMA Style

Watanabe A, Sasaki H, Miyakawa H, Nakayama Y, Lyu Y, Shibata S. Effect of Dose and Timing of Burdock (Arctium lappa) Root Intake on Intestinal Microbiota of Mice. Microorganisms. 2020; 8(2):220. https://doi.org/10.3390/microorganisms8020220

Chicago/Turabian Style

Watanabe, Aya; Sasaki, Hiroyuki; Miyakawa, Hiroki; Nakayama, Yuki; Lyu, Yijin; Shibata, Shigenobu. 2020. "Effect of Dose and Timing of Burdock (Arctium lappa) Root Intake on Intestinal Microbiota of Mice" Microorganisms 8, no. 2: 220. https://doi.org/10.3390/microorganisms8020220

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