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Three new compounds from the leaves of Castanopsis tibetana Hance.
Wang, Ya-Feng; He, Rui-Jie; Li, Dian-Peng; Huang, Yong-Lin.
Affiliation
  • Wang YF; Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, China.
  • He RJ; Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, China.
  • Li DP; Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, China.
  • Huang YL; Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, China.
Nat Prod Res ; 36(19): 4906-4910, 2022 Oct.
Article in En | MEDLINE | ID: mdl-33896288
ABSTRACT
Three new compounds (6S,9S)-6'-galloyl-roseoside (1), purpurogallin ethyl carboxylate (2), and tibetana A (3) were isolated from 80% methanol extract of the leaves of Castanopsis tibetana Hance. Their structures were elucidated based on comprehensive spectroscopic methods and chemical data, including optical rotation, UV, MS, 1 D and 2 D NMR spectra. Compounds 1 and 3 were evaluated for their α-glucosidase inhibitory activity, pancreatic lipase inhibitory activity, and tyrosinase inhibitory activity.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Fagaceae / Alpha-Glucosidases Language: En Journal: Nat Prod Res Year: 2022 Document type: Article Affiliation country: China
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Fagaceae / Alpha-Glucosidases Language: En Journal: Nat Prod Res Year: 2022 Document type: Article Affiliation country: China