用分光光度法对不同厂家生产的山楂冲剂中主要有效成分总黄酮进行了测定。样品用60%乙醇浸提,正丁醇萃取黄酮。标准曲线的绘制是以芦丁配制对照品溶 Spectrophotometry was used to determine the main active ingredients of total flavonoids from different manufacturers. The sample was extracted with 60% ethanol and n-butanol extracted the flavonoids. The standard curve is drawn with Rutin as a reference substance.