Two new flavanonol glycosides named chrysandrosides A and B were isolated from the roots of Gordonia chrysandra Cowan. Their structures were determined by 1D and 2D NMR, FAB-MS techniques and chemical methods. Chrysan...Two new flavanonol glycosides named chrysandrosides A and B were isolated from the roots of Gordonia chrysandra Cowan. Their structures were determined by 1D and 2D NMR, FAB-MS techniques and chemical methods. Chrysandrosides A and B showed pronounced hepatoprotective activities against o-galactosamine (o-GalN)-induced toxicity in rat hepatic epithelial stemlike cells (WB-F344). 2007 Dong Ming Zhang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.展开更多
钟萼木(Bretschneidera sinensis Hemsl.)又名伯乐树,系钟萼木科(Bretschnei-deraceae)钟萼木属的稀有保护植物。该科仅此1属1种,为我国特有山。分布于云南、广东、广西、江西、浙江、湖南、贵州和四川,生于海拔500—1500 m 的山地林中...钟萼木(Bretschneidera sinensis Hemsl.)又名伯乐树,系钟萼木科(Bretschnei-deraceae)钟萼木属的稀有保护植物。该科仅此1属1种,为我国特有山。分布于云南、广东、广西、江西、浙江、湖南、贵州和四川,生于海拔500—1500 m 的山地林中。树皮有祛风活血作用。钟萼木的化学成分尚未见报道。为研究其活性物质。展开更多
基金This project is supported by the National Natural Science Foundation of China (No. 20432030).
文摘Two new flavanonol glycosides named chrysandrosides A and B were isolated from the roots of Gordonia chrysandra Cowan. Their structures were determined by 1D and 2D NMR, FAB-MS techniques and chemical methods. Chrysandrosides A and B showed pronounced hepatoprotective activities against o-galactosamine (o-GalN)-induced toxicity in rat hepatic epithelial stemlike cells (WB-F344). 2007 Dong Ming Zhang. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
文摘钟萼木(Bretschneidera sinensis Hemsl.)又名伯乐树,系钟萼木科(Bretschnei-deraceae)钟萼木属的稀有保护植物。该科仅此1属1种,为我国特有山。分布于云南、广东、广西、江西、浙江、湖南、贵州和四川,生于海拔500—1500 m 的山地林中。树皮有祛风活血作用。钟萼木的化学成分尚未见报道。为研究其活性物质。