New Flavan-3-ol Dimer from Green Tea Produced from Camellia taliensis in the Ai-Lao Mountains of Southwest China
Zhu, Li-Fang1,2; Xu, Min1; Zhu, Hong-Tao1; Wang, Dong1; Yang, Shi-Xiong3; Yang, Chong-Ren1,4; Zhang, Ying-Jun1
2012-12-12
发表期刊JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
ISSN0021-8561
卷号60期号:49页码:12170-12176
摘要Camellia taliensis (W. W. Smith) Melchior, belonging to the genus Camellia sect. Thea (Theaceae), is an endemic species distributed from the west and southwest of Yunnan province, China, to the north of Myanmar. Known as a wild tea tree, its leaves have been used commonly for producing tea beverages by the local people of its growing area. One new flavan-3-ol dimer, talienbisflavan A (1), was isolated from green tea prepared from the leaves of C. taliensis collected from the east side of the Ai-Lao mountains, Yuanjiang county of Yunnan province, China. In addition, five hydrolyzable tannins (2-6), five flavonols and flavonol glycosides (9-13), three flavan-3-ols (14-16), nine simple phenolic compounds and glycosides (7, 8, and 17-23), and caffeine (24) were identified. Their structures were determined by detailed spectroscopic analysis. All of the isolated phenolic compounds were tested for their antioxidant activities by DPPH and ABTS(+) radical scavenging assays. The contents of its main chemical compositions were also compared with those collected from the Lincang area of Yunnan province by high-performance liquid chromatography analysis.
关键词Camellia Taliensis Green Tea Talienbisflavan a Antioxidant Activities Dpph Abts(+) Hplc Analysis
资助信息NSFC [30970287]
收录类别SCI ; IC
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/15956
专题植物化学与西部植物资源持续利用国家重点实验室
作者单位1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650201, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Peoples R China
4.Weihe Biotech Lab, Yuxi 653100, Peoples R China
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Zhu, Li-Fang,Xu, Min,Zhu, Hong-Tao,et al. New Flavan-3-ol Dimer from Green Tea Produced from Camellia taliensis in the Ai-Lao Mountains of Southwest China[J]. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,2012,60(49):12170-12176.
APA Zhu, Li-Fang.,Xu, Min.,Zhu, Hong-Tao.,Wang, Dong.,Yang, Shi-Xiong.,...&Zhang, Ying-Jun.(2012).New Flavan-3-ol Dimer from Green Tea Produced from Camellia taliensis in the Ai-Lao Mountains of Southwest China.JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,60(49),12170-12176.
MLA Zhu, Li-Fang,et al."New Flavan-3-ol Dimer from Green Tea Produced from Camellia taliensis in the Ai-Lao Mountains of Southwest China".JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 60.49(2012):12170-12176.
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