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. 2023 Jun;78(2):320-328.
doi: 10.1007/s11130-023-01055-9. Epub 2023 Mar 22.

Anti-Oxidative and Anti-Aging Effects of Probiotic Fermented Ginseng by Modulating Gut Microbiota and Metabolites in Caenorhabditis elegans

Huan-Yi Xu #  1 , Quan-Cen Li #  1 , Wen-Jie Zhou  1 , Hai-Bo Zhang  2   3 , Zhi-Xian Chen  2 , Ning Peng  2 , Shi-Yu Gong  2 , Bin Liu  1 , Feng Zeng  4
Affiliations

Anti-Oxidative and Anti-Aging Effects of Probiotic Fermented Ginseng by Modulating Gut Microbiota and Metabolites in Caenorhabditis elegans

Huan-Yi Xu et al. Plant Foods Hum Nutr. 2023 Jun.

Abstract

Antioxidative and antiaging abilities of probiotic fermented ginseng (PG) were evaluated in Caenorhabditis elegans (C. elegans). Lifespan and effect on heat stress and acute oxidative stress in C. elegans were significantly enhanced by PG. Antioxidative enzymes such as T-SOD, GSH-PX, CAT were significantly up-regulated, and MDA, ROS and apoptosis levels were significantly down-regulated. At the same time, PG exerted antioxidant and anti-aging activities by reducing the expression of DAF-2 mRNA and increasing the expression of SKN-1 and SOD-3 mRNA in C. elegans. In addition, the mechanism of antioxidative and antiaging activities of PG was explored through gut microbiota sequencing and untargeted metabolomics. The results of gut microbiota indicated that PG could significantly improve the composition and structure of microbes in the gut of C. elegans, and the relative abundance of beneficial bacteria was up-regulated. Untargeted metabolomic results elucidated that PG modulated antioxidant and antiaging activities through neuroactive ligand-receptor interaction, Citrate cycle (TCA cycle), pyruvate metabolism, ascorbate and aldarate metabolism and D-Arginine and D-ornithine metabolism of C. elegans. These results indicated that PG had excellent antioxidant and anti-aging activities, providing research value for the development of functional foods and improvement of aging-related diseases.

Keywords: Anti-oxidative and anti-aging activity; C. elegans; Gut microbiota; Probiotic fermented ginseng (PG); Untargeted metabolomics.

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