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高效液相色谱法测定银杏叶提取物中槲皮素的含量 总被引:26,自引:1,他引:26
An HPLC method has been developed for the determination of quercetin,one of flavones,in extract ofGinkgo b1loba L,leaves.Quercetin was separated completely on a Zorbax-ODS column, 250mm× 4. 6mm i.d.,using a mixture of methanol, water and phosphoric acid(55:44. 6:0.4)as mobile phase; with UV detec-tion at 254nm. The results have shown that the recoveries were between 93.3~103.3%andCVwas l.4l%。 相似文献
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