A comparative metabolomics study of flavonoids in sweet potato with different flesh colors (Ipomoea batatas (L.) Lam)

文献类型： 外文期刊

第一作者： Wang, Aimin

作者： Wang, Aimin;Li, Rensai;Ren, Lei;Gao, Xiali;Ma, Daifu;Luo, Yonghai;Zhang, Yungang;Ma, Daifu;Luo, Yonghai;Ma, Zhimin

作者机构：

关键词： Sweet potato; Metabolomics; Flavonoids; Phenolic acids

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： 2018 年 260 卷

页码：

收录情况： SCI

摘要： To study the diversity and cultivar-specific of phytochemicals in sweet potato, Liquid Chromatography-Electrospray Ionization-Mass Spectrometry was used to analyze the metabolic profiles of five sweet potato cultivars exhibiting different flesh colors: purple, yellow/orange, and white. A total of 213 metabolites, including 29 flavonoids and 27 phenolic acids, were characterized. The flavonoid profiles of the five different cultivars were distinguished using PCA, the results suggested the flesh color accounted for the observed metabolic differences. In addition to anthocyanins, quinic acids and ferulic acids were the prominent phenolic acids, O-hexoside of quercetin, chrysoeriol were the prominent flavonoids in sweet potato tubers, and they were all higher in the OFSP and PFSP than WFSP. The main differential metabolic pathways between the OFSP, PFSP and the WFSP included those relating to phenylpropanoid and flavonoid biosynthesis. This study provides new in-sights into the differences in metabolite profiles among sweet potatoes with different flesh colors.

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