Xia Pengfei, Song Shuang, Feng Ziming, Zhang Peicheng
Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China.
Zhongguo Zhong Yao Za Zhi. 2009 Oct;34(20):2604-6.
To study the chemical constituents from the leaves of Sterculia foetida.
Compounds were isolated by chromatographic techniques. Their structures were elucidated by spectroscopic methods.
Eight compounds were identified as 5,7,8-tetrahydroxy-4'-methoxyflavone-8-O-beta-D-glucoside (1), 5,7,8-tetrahydroxy-4'-methoxyflavone-7-O-beta-D-glucoside (2), quercetin-3-O-beta-D-glucoside (3), apigenin-6, 8-di-C-beta-D-glucoside (4), puerarin (5), 5,7,8,3'-tetrahydroxy-4'-methoxyflavone (6), 5,7,8-tetrahydroxy-3',4'-dimethoxyflavone (7), 5,7,8-tetrahydroxy-4'-methoxyflavone (8).
Compounds 1, 2 and 4-8 were isolated from this plant for the first time.
研究胖大海叶的化学成分。
采用色谱技术分离化合物，通过光谱方法鉴定其结构。
鉴定出8个化合物，分别为5,7,8-三羟基-4'-甲氧基黄酮-8-O-β-D-葡萄糖苷（1）、5,7,8-三羟基-4'-甲氧基黄酮-7-O-β-D-葡萄糖苷（2）、槲皮素-3-O-β-D-葡萄糖苷（3）、芹菜素-6,8-二-C-β-D-葡萄糖苷（4）、葛根素（5）、5,7,8,3'-四羟基-4'-甲氧基黄酮（6）、5,7,8-三羟基-3',4'-二甲氧基黄酮（7）、5,7,8-三羟基-4'-甲氧基黄酮（8）。
化合物1、2和4-8首次从该植物中分离得到。
