The distribution of catechins and their derivatives among 114 Camellia plants and their correlation in different species and tea-processing suitability
文献类型： 外文期刊
作者： Luo, Yong 1 ; Chen, Jiaming 3 ; Li, Jianlong 7 ; Zhou, Linghong 9 ; Wei, Xiaoyi 3 ; Xue, Jinghua 3 ;
作者机构： 1.Xiangnan Univ, Sch Chem & Environm Sci, Chenzhou 423000, Hunan, Peoples R China
2.Xiangnan Univ, Nanling Res Inst Modern Seed Ind, Chenzhou 423000, Hunan, Peoples R China
3.Chinese Acad Sci, Guangdong Prov Key Lab Appl Bot, 723 Xingke Rd, Guangzhou 510650, Peoples R China
4.Chinese Acad Sci, State Key Lab Plant Divers & Specialty Crops, South China Bot Garden, 723 Xingke Rd, Guangzhou 510650, Peoples R China
5.Chinese Acad Sci, Key Lab, Natl Forestry & Grassland Adm Plant Conservat & Ut, South China Bot Garden, 723 Xingke Rd, Guangzhou 510650, Peoples R China
6.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
7.Guangdong Acad Agr Sci, Tea Res Inst, 6 Dafeng Rd, Guangzhou 510640, Peoples R China
8.Guangdong Prov Key Lab Tea Plant Resources Innovat, 6 Dafeng Rd, Guangzhou 510640, Peoples R China
9.Chenzhou Inst Agr Sci, Chenzhou 423000, Hunan, Peoples R China
关键词： Catechins; Derivatives; Germplasm resources; Associations; Camellia plants; Distribution
期刊名称：FOOD CHEMISTRY-X （ 影响因子：8.2； 五年影响因子：8.2 ）
ISSN： 2590-1575
年卷期： 2025 年 27 卷
页码：
收录情况： SCI
摘要： China is rich in tea germplasm resources. Catechins and their derivatives were analyzed regarding their associations among species and tea-processing suitability using 114 representative Camellia plants. GCG, ECG, EGC, ECG3 '' Me, and EGCG were revealed as potentially useful markers for identifying different tea species, while three O-methylated catechins may be appropriate markers for determining the tea-processing suitability of oolong tea. A correlation analysis indicated that the EGCG3 '' Me content was significantly higher in varieties suitable for oolong tea than in varieties suitable for black and green teas. Catechin (C, GC, CG, and GCG) contents were significantly higher in Camellia ptilophylla Chang than in Camellia sinensis var. sinensis, Camellia sinensis var. assamica, and Camellia sinensis var. pubilimba Chang. Furthermore, 14 specific tea tree resources with a high catechin index and high EGCG, GCG, and EGCG3 '' Me contents were screened. This research enhances our understanding of associations among catechins and tea germplasm resources.
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