薄层光密度法测定川黄柏及其炮制品中小檗碱的含量  

Determination of Berberine in Phellodendron chinense Schneidand Its Processed Products by TLC Densitometry

作　　者：周华蓉[1] 顾月翠[1] 

机构地区：[1]四川省中药研究所

出　　处：《中国中药杂志》1995年第7期405-407,共3页China Journal of Chinese Materia Medica

摘　　要：报道了用薄层光密度法紫外扫描测定炮制前后川黄柏中的小檗碱含量，表明炮制后黄柏中小檗碱含量比炮制前含量低１１．８％～９８％。小檗碱的回收率为９８±１．７（％），ＲＳＤ为１．７％。Berberine from crude and processed Phellodendron chinense was determined by UV TLC densitometry.The results indicate that the content of berberine in processed preducts is 11. 8% to 98% less than that of the crudedrug.The recovery of berberine is 98%±1.7% and the Standard relative deviation is 1.7%.

关 键 词：川黄柏 炮制 小檗碱 薄层光密度法 

分 类 号：R283.1[医药卫生—中药学] R282.710.2[医药卫生—中医学]