生薬"茵陳蒿"と基原植物カワラヨモギArtemisia capillarisに関する研究

概要

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According to our field research, the commercial "Inchinko (茵陳蒿)" or flowers of Artemisia capillaris available in the Japanese markets divided into two types, Shinsyu district-type (Sh-1) and Shikoku district-type (Sh-2), on the basis of their external features and capitulum sizes. The amounts of the main active components, capillarisin (CAP) and 6,7-dimethylesculetin (DME), in the crude drugs Sh-1 and Sh-2 were assayed. In Sh-1 type, the DME content was higher whereas in Sh-2 type, the CAP content was higher. The amounts of both components in the capitulum of A. capillaris in both districts were similar, and the DME content was always higher than the CAP content. The high CAP content in Sh-2 was considered to be due to the mixed stems and pedincles of sizes under 2mm in diameter. The random amplified polymorphic DNA (RAPD) analysis showed that A. capillaris of the two district were distinguished from each other. Their chromosome numbers were the same, 2n=18.
日本生薬学会の論文
1999-10-20