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- W2348408970 abstract "Objective To establish a method for the quality control of Danzhi Qing'e Tablets by high performance liquid chromatography(HPLC) and thin layer chromatography(TLC). Methods The chromatographic separation was performed on a XDB-C18column(4.6 mm×150 mm,5 μm) with gradient elution of acetonitrile and 0.1 % formic acid aqueous solution at a flow rate of 1.0 m L·min-1. Column temperature was fixed at 20 ℃. Detection wavelengths were chosen as 246 nm,258 nm and 286 nm,respectively. TLC mehtod was established to identify Fructus Psoraleae,Rhizoma Anemarrhenae,Radix Salvia Miltiorrhizae in Danzhi Qing'e Tablets,and HPLC was used to determine the contents of mangiferin, salvianolic acid B, psoralen and isopsoralen in the tablets. Results A good separation of psoralen, isopsoralen, mangiferin and salvianolic acid B was obtained within 13 minutes. The linearity of these compounds was good(r≥0.9999). The average recoveries of mangiferin,salvianolic acid B,psoralen and isopsoralen were 99.6 %,99.8 %,99.1 % and 99.9 % with RSD being 2.37 %,1.36 %,1.54 % and 2.05 %,respectively.The average amount of mangiferin,salvianolic acid B,psoralen and isopsoralen was 4.42,18.54,1.21,1.06 mg·g-1,higher than the content of lower limit. Identification of Fructus Psoraleae, Rhizoma Anemarrhenae, Radix Salvia Miltiorrhizae in Danzhi Qing'e Tablets by TLC exhibited good separation, and high specificity and reproducibility.Conclusion This method is rapid,simple,accurate and specific,which is suitable for the quality control of Danzhi Qing'e Tablets." @default.
- W2348408970 created "2016-06-24" @default.
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- W2348408970 date "2015-01-01" @default.
- W2348408970 modified "2023-09-23" @default.
- W2348408970 title "Study on Quality Standard of Danzhi Qing'e Tablets" @default.
- W2348408970 hasPublicationYear "2015" @default.
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