Chemical Constituents of the Branches and Leaves of Picrasma chinensis P.Y. Chen and Tyrosinase Inhibiting Activity.
作者信息
Zhou Qin-Tao, Yang Peng-Yun, Yang Quan-Yu, Pang Wen-Hui, Li Xiao-Li, Zhang Xing-Jie, Zhang Rui-Han, Xiao Wei-Lie
机构信息
Key Laboratory of Medicinal Chemistry for Natural Resource of Ministry of Education, Yunnan Characteristic Plant Extraction Laboratory, Yunnan Research & Development Center for Natural Products, School of Chemical Science and Technology, and school of pharmacy, State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming, 650500, P. R. China.
出版信息
Chem Biodivers. 2023 Mar;20(3):e202201171. doi: 10.1002/cbdv.202201171. Epub 2023 Feb 7.
One new alkaloid, picrasine A, two new quassinoids, picralactones A-B, together with eleven known compounds were isolated from Picrasma chinensis P.Y. Chen. The structures of these compounds were determined using 1D and 2D NMR, HR-ESI-MS, and IR spectroscopic data, and by comparison with published data. Some compounds were tested for tyrosinase inhibiting activity, however, none of them exhibited strong inhibitory effects.
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