Niu B, Guo J, Chen J, Ma J
Department of Chemistry, Lanxhou Medical College.
Zhongguo Zhong Yao Za Zhi. 1991 Sep;16(9):549-50, 575.
Five natural products were isolated from S. tetraptera var. xinglongensis of which four were proved to be oleanolic acid, 1,3-dihydroxy-4,7-dimethoxyxanthone, 1-hydroxy-2,3,5-trimethoxyxanthone and beta-sitosterol. 1,3-dihydroxy-4,7-dimethoxyxanthone has been obtained for the first time from the genus Swertia.
从兴隆獐牙菜中分离出了5种天然产物,其中4种被证明是齐墩果酸、1,3 - 二羟基 - 4,7 - 二甲氧基呫吨酮、1 - 羟基 - 2,3,5 - 三甲氧基呫吨酮和β - 谷甾醇。1,3 - 二羟基 - 4,7 - 二甲氧基呫吨酮首次从獐牙菜属植物中获得。