The chemi- cal composition of extracted Resina Draconis and imported one has been compared and ana- lysed, indicating that the chemical composition is similar to those produced in Arab and Africa.

• 证实其茎干中存有血竭,并将提取的血竭与进口血竭的化学成分进行了比较分析。 结果表明:岩棕血竭与阿拉伯、非洲产血竭的化学成分极相似。