Changes in alkaloids and their related metabolites during the processing of 'Qiancha 1′ white tea based on transcriptomic and metabolomic analysis

文献类型： 外文期刊

第一作者： Dai, Yuqiao

作者： Dai, Yuqiao;Yang, Ting;Luo, Jinglong;Fang, Shimao;Zhang, Tuo;Li, Qin;Yang, Xiaowei;Shen, Qiang;Pan, Ke;Zhang, Beibei

作者机构：

关键词： Alkaloids; Withering; Metabolomics; Transcriptome; Metabolic pathway

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.6； 五年影响因子：6.9 ）

ISSN： 0023-6438

年卷期： 2025 年 218 卷

页码：

收录情况： SCI

摘要： The regulatory mechanism underlying alkaloid metabolism during the withering process of' Qiancha 1' white tea remains poorly understood. Analyze the changes in metabolites and gene expression during the processing of white tea using metabolomics and transcriptomics. The results showed that a total of 1,542 metabolites and 60,987 genes were identified in the sample. Among them, there are 353 differential metabolites and 12 alkaloids and their related differential metabolites.129 key differentially expressed genes related to alkaloid metabolism were identified, and the expression of most genes exhibited a significant negative correlation with the corresponding alkaloids and their related metabolites content. The study elucidated the alkaloids and their related metabolites metabolism pathway and related differential gene regulation mechanism of 'Qiancha 1' white tea during processing, and found that alkaloid metabolites are closely related to amino acid metabolism. This research lays a foundation for understanding the importance of alkaloids and their related metabolite metabolism in the formation of tea flavor.

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