NMR-based metabolomics approach to investigate the distribution characteristics of metabolites in Dioscorea opposita Thunb. cv. Tiegun

文献类型： 外文期刊

第一作者： An, Li

作者： An, Li;Ma, Jingwei;Wang, Hong;Zhang, Junfeng;Zhou, Ling;Wu, Xujin;An, Li;Ma, Jingwei;Wang, Hong;Zhang, Junfeng;Zhou, Ling;Wu, Xujin;Yuan, Yongliang;Piao, Xiuying;Ma, Junfeng

作者机构：

关键词： Dioscorea opposita Thunb. cv. Tiegun; NMR; Metabolomics; Characteristic metabolite; Distribution

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2019 年 298 卷

页码：

收录情况： SCI

摘要： Dioscorea opposita Thunb. cv. Tiegun (DTT), a type of homologous medicinal plant, is commonly used as food in daily life. However, there has always been confusion regarding removal of the peel, as the nutrient metabolite composition of the peel is unclear. Here, a nuclear magnetic resonance (NMR)-based metabolomics approach was used to determine the metabolite distribution in DTT exclude-peel and peel. Thirteen characteristic metabolites with statistical significance were identified and compared using multivariate, univariate and cluster analyses. The results demonstrated that the peel contained the higher levels of alpha-glucose, batatasin IV, batatasin I, asparagine, beta-glucose, protodioscin, threonine, protogracillin, dioscin, and beta-sitosteryl acetate, and the samples without the peel had the higher levels of leucine, glutamine and alanine. This study provided scientific data for understanding the distribution characteristics of metabolites in DTT samples, promoting reasonable consumption of DTT.

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