期刊
RSC ADVANCES
卷 11, 期 21, 页码 12784-12793出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ra00962a
关键词
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资金
- LiaoNing Revitalization Talents Program [XLYC 1905019]
- Natural Science Foundation of Liaoning Province [201602691]
In this study, eight unknown pentacyclic triterpenoids and eight known analogues were isolated from the dried whole plant of Leptopus chinensis. The new compounds showed hepatoprotective effects, with compounds 2, 5, and 16 demonstrating potent protective effects on t-BHP-induced oxidative injury. Further research revealed that compound 16 significantly alleviated t-BHP-induced hepatotoxicity by improving cell viability and reducing ROS generation and cell apoptosis rate in HepG2 cells.
Eight unknown pentacyclic triterpenoids (1-4 and 8-11), along with eight known analogues (5-7 and 12-16) have been first isolated from the dried whole plant of Leptopus chinensis. The structures of the new compounds were determined by comprehensive spectroscopic methods, including 1D and 2D NMR, as well as HRESIMS measurements. Meanwhile, the hepatoprotective activities of the isolated compounds were preliminarily evaluated, and the results indicated that compounds 2, 5 and 16 possess potent protective effects on tert-butyl hydroperoxide (t-BHP)-induced oxidative injury in vitro, and further study revealed that 16 significantly alleviates t-BHP-induced hepatotoxicity by effectively improving cell viability and decreasing reactive oxygen species (ROS) generation and the cell apoptosis rate in HepG2 cells.
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