Determination of the Ethanol-soluble Extractives and Kirenol from Different Medicinal Parts of Herba Siegesbeckiae / 中国药房

ABSTRACT

OBJECTIVE:To study the reasonable parts used as medicinal herbs in Herba Siegesbeckiae from the point of chemical contents.METHODS:Using the methods of Ch.P 2005 to determine the percentage contents of ethanol-soluble extractives and Kirenol(an effective antirheumatic constituent) in the tender stems and leaves and thick stems of Herba Siegesbeckiae. RESULTS:The contents of the ethanol-soluble extractives and Kirenol in the tender stems and leaves were much higher than in the thick stems.CONCLUSION:The above results suggest that tender stems and leaves of Herba Siegesbeckiae should be used as the medicinal parts.