A chromatographic method for the sepa ration and the determination of aloe emodin and emodin in this Chinese medicinal herb was established.

• 用反相高效液相色谱法分离并测定了决明子中芦荟大黄素和大黄素，建立了该中药中芦荟大黄素、大黄素分离、测定的色谱方法。