应用一阶导数光谱法测定大青叶IsatidisindigoticaFort.药材中邻氨基苯甲酸含量,平均加样回收率为96.66%,RSD为1.09%。测定结果与高效毛细管电泳法比较,无显著性差异。方法简便、快速、准确

Anthranilic acid in the leaves of Isatidis indigotica Fort. was determined by first order derivative UV spectrophotometry The average recovery was 96 66% and the coefficient of deviation was 1 09% The method showed no significant difference as compared with high performance capillary electrophoresis at 95% confidence level The method is simple, rapid and accurate

国家自然科学基金资助项目!(NSFC396 70 878)