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ORIGINAL ARTICLE
Year : 2014  |  Volume : 10  |  Issue : 40  |  Page : 464-469

A rapid UPLC method for simultaneous determination of eleven components in 'Ge-Gen-Qin-Lian' decoction


Department of Chemistry, College of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China

Correspondence Address:
Rui An
Department of Chemistry, College of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1296.141821

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Background: 'Ge-Gen-Qin-Lian' Decoction derived from 'Shang-Han-Lun' compiled by Zhang Zhongjing. It is widely used in the treatment of acute gastroenteritis, bacillary dysentery, virus diarrhea. This paper describes a sensitive and specific assay for the determination of the 11-marker compounds using ultra performance liquid chromatography (UPLC). Objective: To develop an UPLC method for simultaneous determination of 11 bioactive compounds in 'Ge-Gen-Qin-Lian' preparations. Materials and Methods: The chromatography analysis was performed on an Agilent Proshell 120 EC-C 18 column (4.6 × 50 mm, 2.7 μm) at 30°C with a gradient elution of methanol, 0.5% formic acid and 0.5% ammonium acetate at a flow rate 1.0 ml/min and UV detected at 270 nm. Results: All calibration curves showed good linear regression (r ≥ 0.9993) within tested ranges. Limits of detection (LOD) and limits of quantification (LOQ) fell in the range between 0.0691-1.04 μg/ml and 0.23-3.43 μg/ml, respectively. The mean recovery of each herbal medicine ranged from 96.60 to 102.11%. Conclusion: The method was validated for repeatability, precision, stability, accuracy, and selectivity. The validated method was successfully applied to simultaneous analysis of these active components in 'Ge-Gen-Qin-Lian' decoction.


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