{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13"],"submitter":["Wu W"],"funding":["Earmarked Fund for China Agriculture Research System","National Natural Science Foundation of China"],"pubmed_abstract":["Jianghua Kucha (JHKC) is a special tea germplasm with high bitterness growing in China; however, the chemical characteristics of JHKC are not completely understood. In this study, 61 differential metabolites were identified between 11 wild JHKC individuals and 3 control cultivars of Fudingdabai, Yunkang 10, and Zhuyeqi using comprehensive nontargeted and targeted metabolomics approach. The JHKC accessions mainly possessed significantly higher levels of purine alkaloids of theacrine (12.06 ± 5.23 mg/g) and 1,3,7-trimethyluric acid, non-<i>epi</i>-form flavanols (catechin, gallocatechin, catechin gallate, and gallocatechin gallate), and methylated flavanols of epigallocatechin-3-O-(3″-O-methyl)-gallate (4.79 ± 1.45 mg/g) and epicatechin-3-O-(3″-O-methyl)-gallate (1.02 ± 0.34 mg/g), as well a"],"journal":["Food chemistry: X"],"pagination":["100270"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9040034"],"repository":["biostudies-literature"],"pubmed_title":["Nontargeted and targeted metabolomics analysis provides novel insight into nonvolatile metabolites in Jianghua Kucha tea germplasm (<i>Camellia sinensis</i> var. <i>Assamica</i> cv. Jianghua)."],"pmcid":["PMC9040034"],"pubmed_authors":["Duan J","Lu M","Liu Z","Lv H","Dai W","Lin Z","Wu W","Shi J","Zhang S","Peng J","Chen D"],"additional_accession":[]},"is_claimable":false,"name":"Nontargeted and targeted metabolomics analysis provides novel insight into nonvolatile metabolites in Jianghua Kucha tea germplasm (<i>Camellia sinensis</i> var. <i>Assamica</i> cv. Jianghua).","description":"Jianghua Kucha (JHKC) is a special tea germplasm with high bitterness growing in China; however, the chemical characteristics of JHKC are not completely understood. In this study, 61 differential metabolites were identified between 11 wild JHKC individuals and 3 control cultivars of Fudingdabai, Yunkang 10, and Zhuyeqi using comprehensive nontargeted and targeted metabolomics approach. The JHKC accessions mainly possessed significantly higher levels of purine alkaloids of theacrine (12.06 ± 5.23 mg/g) and 1,3,7-trimethyluric acid, non-<i>epi</i>-form flavanols (catechin, gallocatechin, catechin gallate, and gallocatechin gallate), and methylated flavanols of epigallocatechin-3-O-(3″-O-methyl)-gallate (4.79 ± 1.45 mg/g) and epicatechin-3-O-(3″-O-methyl)-gallate (1.02 ± 0.34 mg/g), as well a","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Mar","modification":"2025-04-19T00:26:15.059Z","creation":"2025-02-19T04:20:54.778Z"},"accession":"S-EPMC9040034","cross_references":{"pubmed":["35499018"],"doi":["10.1016/j.fochx.2022.100270"]}}