降香(Dalbergia odorifera)根心材是用于治疗瘀血证的一种中药,其干燥心材顺次用己烷、氯仿、甲醇和水提取,在150μg/ml浓度时,对前列腺素合成酶均有抑制作用,其抑制率分别为97％,99％,99％和70％。以生物测定系统,追踪了降香的活性成分。从根心材中分离出除已知的10种成分外,还分离到5种新的苯酚类化合物isomucronustyrene和hydroxyobtustyrene(肉 Dalbergia odorifera root heartwood is a traditional Chinese medicine used for the treatment of blood stasis syndrome. Its dried heartwood is extracted with hexane, chloroform, methanol and water in sequence, and inhibits prostaglandin synthetase at a concentration of 150 μg/ml. The effects were 97%, 99%, 99% and 70% respectively. The bioassay system traces the active components of the scented fragrance. From the root heartwood, in addition to the known 10 components, 5 new phenolic compounds isomucronustrene and hydroxyobtustyrene (meat