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Effect of Girdling at Various Positions of 'Huang Zhi Xiang' Tea Tree (Camellia sinensis) on the Contents of Catechins and Starch in Fresh Leaf

文献类型： 外文期刊

作者： Chen, Yulong 1 ; Jiang, Yueming 1 ; Shi, John 1 ; Xu, Xinlan 1 ; Yang, Shaoyu 1 ; Duan, Jun 1 ;

作者机构： 1.Chinese Acad Sci, S China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China

2.Agr & Agri Food Canada, Guelph Food Res Ctr, Guelph, ON N1G 5C9, Canada

3.Guangdong Acad Agr Sci, Sericulture & Agr Food Proc Res Inst, Guangzhou 510610, Guangdong, Peoples R China

关键词： 'Huang Zhi Xiang' Oolong tea tree;Catechins;Starch;Girdling;TEM

期刊名称：PLANT FOODS FOR HUMAN NUTRITION （ 影响因子：3.921； 五年影响因子：4.223 ）

ISSN： 0921-9668

年卷期： 2011 年 66 卷 2 期

页码：

收录情况： SCI

摘要： The contents of starch and catechins in the fresh leaf of 'Huang Zhi Xiang' Oolong tea trees girdled at the bottom, middle (on the big branches) and top (on the small branches) were determined. The study demonstrated that the starch contents from girdled trees were significantly higher (p<0.05) than that from non-girdled ones. Furthermore, the contents of (-)-epicatechin (EC), (-)-epigallocatechin (EGC), total catechins (TC) and simple catechins (SC) from girdled trees were significantly higher (p<0.05) than those from non-girdled ones. Especially, the contents of (-)-epigallocatechin gallate (EGCG), (-)-epicatechin gallate (ECG) and catechin gallate (CG) from girdled at the middle were also significantly higher (p<0.05) than those from the non-girdled. The starch contents were negatively correlated with the contents of (-)-gallocatechin (GC), EC, SC, TC and EGC, while positively correlated with the contents of EGCG and CG in fresh shoots.

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