Metabolic phenotyping of various tea (Camellia sinensis L.) cultivars and understanding of their intrinsic metabolism

Food Chemistry
Hyang-Gi JiYoung Shick Hong

Abstract

Recently, we selected three tea (Camellia sinensis) cultivars that are rich in taste, epigallocatechin-3-O-gallate (EGCG) and epigallocatechin-3-O-(3-O-methyl)-gallate (EGCG3″Me) and then cultivated them through asexual propagation by cutting in the same region. In the present study, proton nuclear magnetic resonance ((1)H NMR)-based metabolomics was applied to characterize the metabotype and to understand the metabolic mechanism of these tea cultivars including wild type tea. Of the tea leaf metabolite variations, reverse associations of amino acid metabolism with catechin compound metabolism were found in the rich-taste, and EGCG- and EGCG3″Me-rich tea cultivars. Indeed, the metabolism of individual catechin compounds in the EGCG3″Me-rich cultivar differed from those of other tea cultivars. The current study highlights the distinct metabolism of various tea cultivars newly selected for cultivation and the important role of metabolomics in understanding the metabolic mechanism. Thus, comprehensive metabotyping is a useful method to assess and then develop a new plant cultivar.

Citations

Jan 25, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Si ChenXiaomin Yu
Feb 20, 2019·International Journal of Molecular Sciences·Sunyoung ParkEun-Gyung Cho
Aug 14, 2020·International Journal of Molecular Sciences·Xiaochen ZhouZiyin Yang
Nov 6, 2020·Nature Communications·Xiaomin YuRenyi Liu
Jul 3, 2021·Sensors·Estefanía Núñez-CarmonaVeronica Sberveglieri
May 24, 2019·Journal of Agricultural and Food Chemistry·Chen-Kai JiangLiang Chen
Oct 23, 2018·Journal of Agricultural and Food Chemistry·Man ZhangQingrong Huang
Apr 18, 2020·Journal of Agricultural and Food Chemistry·Haiji QiuWeiwei Wen

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