Lipid profiles and metabolic characteristics of Chinese tea cultivars (Camellia sinensis) with different manufacturing suitabilities by comparative lipidomics using UHPLC-Q-Exactive mass spectrometry
文献类型: 外文期刊
作者: Le Chen;Jianqiang Ma;Linchi Niu;Yuning Feng;Zhizhen Fang;Shan Zhang;Xujiang Shan;Qianting Zhang;Qinghua Zhou;Yongwen Jiang;Haibo Yuan;Jia Li
作者机构:
关键词: Biomarker;Lipid metabolism;Lipidomics;Manufacturing suitabilities;Tea cultivars
期刊名称: Food Chemistry
ISSN: 0308-8146
年卷期: 2025 年 488 卷
页码:
收录情况: SCIE(2025版) ; ; EI(2025版)
摘要: Different tea cultivars possess various manufacturing suitibilities. However, its underlying relationship with lipids remains unexplored. Herein, 22 Chinese tea cultivars suitable for green, black, oolong and white tea manufacturing were analyzed by comparative lipidomics using UHPLC-Q-Exactive/MS. A total of 430 lipids were detected and 84 key differential molecules were screened. The green tea cultivars showed the most pronounced differences compared with other cultivars, with higher contents of glycerophospholipids (except PA), PUFA and chlorophylls. White tea cultivars were featured by higher contents of lysophospholipids and very-long-chain-fatty acids. Oolong tea cultivars contained higher abundance of glycoglycerolipids (MGDG, DGDG) and PA, whereas all lipid subclasses were at moderate abundance in black tea cultivars. Through multivariate ROC analysis, 20 lipids were identified as potential biomarkers for stepwise discrimination of manufacturing suitabilities and the predictive accuracies were 100 % using optimal models. Our results provided novel insights into the tea resource evaluation and manufacturing suitabilities.
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