Comparative analysis of rice reveals insights into the mechanism of colored rice via widely targeted metabolomics

文献类型： 外文期刊

第一作者： Zhang, Lina

作者： Zhang, Lina;Cui, Di;Ma, Xiaoding;Han, Bing;Han, Longzhi

作者机构：

关键词： Brown rice; Pigmented rice; Metabolite; Widely-targeted metabolome analysis; Flavonoids; Phenolic acids

期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）

ISSN： 0308-8146

年卷期： 2023 年 399 卷

页码：

收录情况： SCI

摘要： Pigmented rice, particularly black rice, has attracted widespread global interest due to its high nutritional value. To obtain a better understanding of differential metabolites between pigmented rice and white rice, we used a widely-targeted metabolomics-based approach to investigate the metabolite profiling of black, red, glutinous, and common white rice. In total, 732 metabolites were identified, of which 281, 305, 241, 267, and 265 dif-ferential metabolites were screened by comparing the following group: glutinous/white vs black, glutinous/ white vs red, and red vs black. Venn diagram demonstrated that 69 metabolites were shared between pigmented and non-pigmented rice, and 117 between glutinous/white/red vs black. Additionally, metabolic pathways analysis of differential metabolites in glutinous/white/red vs black revealed that the flavonoid biosynthesis, anthocyanin biosynthesis, and flavone and flavonol biosynthesis are differential enrichment metabolic pathways. As such, identifying these different metabolites contribute to a better understanding of the function and nutri-tional value of various rice strains.

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