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      Lotus Seed Resistant Starch Regulates Gut Microbiota and Increases Short-Chain Fatty Acids Production and Mineral Absorption in Mice.

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          Abstract

          Lotus seed resistant starch, known as resistant starch type 3 (LRS3), was orally administered to mice to investigate its effects on the gut microbiota, short-chain fatty acids (SCFAs) production, and mineral absorption. The results showed that mice fed LRS3 displayed a lower level of gut bacterial diversity than other groups. The numbers of starch-utilizing and butyrate-producing bacteria, such as Lactobacillus and Bifidobacterium and Lachnospiraceae, Ruminococcaceae, and Clostridium, respectively, in mice increased after the administration of medium and high doses of LRS3, while those of Rikenellaceae and Porphyromonadaceae decreased. Furthermore, SCFAs and lactic acid in mice feces were affected by LRS3, and lactate was fermented to butyrate by gut microbiota. LRS3 enhanced the intestinal absorption of calcium, magnesium, and iron, and this was dependent on the type and concentration of SCFAs, especially butyrate. Thus, LRS3 promoted the production of SCFAs and mineral absorption by regulating gut microbiota in mice.

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          Author and article information

          Journal
          J. Agric. Food Chem.
          Journal of agricultural and food chemistry
          American Chemical Society (ACS)
          1520-5118
          0021-8561
          Oct 25 2017
          : 65
          : 42
          Affiliations
          [1 ] College of Food Science, Fujian Agriculture and Forestry University , Fuzhou, Fujian P. R. China 350002.
          [2 ] Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fujian Agriculture and Forestry University , Fuzhou 350002, China.
          Article
          10.1021/acs.jafc.7b02860
          28954513
          01aa7ddc-2bd5-4eda-92c8-a40f1fbf246b
          History

          gut microbiota,short-chain fatty acids,mineral absorption,lotus seed resistant starch

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