【摘要】 目的:比较不同产地山楂饮片的质量。方法:采用紫外分光光度法测定山楂中总黄酮含量。结果:各地样品中总黄酮的含量在0.187~0.707mg/g之间,槲皮素标准品的线性范围为0.00176~0.00800mg/ml,回归方程Y=66.0744X+0.0171,相关系数r=0.9994,加样回收率为99.11%,RSD为1.23%。结论:该方法简便易行,为广山楂的质量控制提供了实验依据。更多还原

【Abstract】 objective:To comparison the quality analysis for Flavonoids in Fructus Crataegi tablets sold in different citys’ market.Method: Determination of Flavonoids in Fructus Crataegi by UV.Result: Content of Flavonoids in samples selected from 10 citys’ market ranged 0.187～0.707mg/g.The linear rang for Quercetin was seleeted as referenee material was 0.00176～0.00800mg/ml,and regression equation was Y=66.0744X+0.0171(r=0.9994),the average recovery was 99.11%,RSD=1.23%.Conclusion:The method is simple quick and It can be used for quality control of Malus doumeri(Bois) Chev.更多还原