枣属植物Z.cambodiana Pierre广泛分布于泰国东北部,是用于抗感染的传统药物。作者从该植物根皮中分离出1新的和3个已知的美洲茶烷型三萜类化合物,还分得5个已知的羽扇烷型三萜类化合物。经光谱分析阐明了新化合物为三萜酯,其结构为3-O-(4-羟基-3-甲氧苯甲酰)美洲茶酸(1),8种已 The date plant Z. cambodiana Pierre is widely distributed in northeastern Thailand and is used as a traditional anti-infective drug. The authors isolated 1 new and 3 known terpenoid triterpenoids from the root bark of the plant, and also assigned 5 known lubutane-type triterpenoids. The spectral analysis showed that the new compound is a triterpene ester and its structure is 3-O-(4-hydroxy-3-methoxybenzoyl)-mellitic acid (1), 8 species have been