数字农科院2.0

Nontargeted and targeted metabolomics analysis for evaluating the effect of “golden flora” amount on the sensory quality, metabolites, and the alpha-amylase and lipase inhibitory activities of Fu brick tea

文献类型： 外文期刊

作者： Yingying Li;He Zhou;Tian Tian;Yihong Hou;Dan Chen;Jie Zhou;Shuyuan Liu;Youben Yu;Weidong Dai;Tianshan Zhou

作者机构：

关键词： Fu brick tea;Golden flora;Lipase;Metabolomics;α-Amylase

期刊名称： Food Chemistry

ISSN： 0308-8146

年卷期： 2023 年 416 卷

页码：

收录情况： SCIE（2023版） ; ; EI（2023版）

摘要： To investigate the effects of “golden flora” amount on the sensory quality, metabolites and bioactivities of Fu brick tea (FBT), FBT samples with different “golden flora” amounts were prepared from the same materials by adjusting the water content before pressing. With the increase of “golden flora” in samples, the tea liquor color changed from yellow to orange red and the astringent taste gradually diminished. Targeted analysis demonstrated that (−)-epigallocatechin gallate, (−)-epicatechin gallate, and most amino acids gradually decreased as the increase of “golden flora”. Seventy differential metabolites were identified by untargeted analysis. Among them, sixteen compounds including two Fuzhuanins and four EPSFs were positively correlated with “golden flora” amount (P < 0.05). The FBT samples with “golden flora” exhibited significantly higher inhibitory potency on α-amylase and lipase than the samples without “golden flora”. Our results provide a theoretical basis of guiding FBT processing based on desired sensory quality and metabolites.

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