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Study on quality standard of Qijing Fanggan Capsules for medical institution |
ZHAO Yan1 YE Xin1 NIU Tong1 ZHAO Min1 REN Qingliang2 |
1.Preparation Center, Mianyang Hospital of Traditional Chinese Medicine, Sichuan Province, Mianyang 621000, China; 2.Department of Internal Medicine, Mianyang Hospital of Traditional Chinese Medicine, Sichuan Province, Mianyang 621000, China |
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Abstract Objective To establish the quality control method of Qijing Fanggan Capsules for medical institution. Methods The main microscopic features of Radix Astragali, Rhodiolae Crenulatae Radix et Rhizoma, and Atractylodis Rhizoma in Qijing Fanggan Capsules were identified by microscopic identification; thin layer chromatography (TLC) was used to identify Radix Astragali and Rhodiolae Crenulatae Radix et Rhizoma in Qijing Fanggan Capsules; the contents of salidroside and phillyrin were determined by high performance liquid chromatography (HPLC). The chromatographic column type was Agilent ZORBAX Eclipse XDB-C18(250 mm×4.6 mm,5 μm); acetonitrile∶water(8:92) was used as the initial mobile phase for gradient elution, the column temperature was 20 ℃, the flow rate of mobile phase was 1 ml/min, the injection volume was 5 μl, and the detection wavelength was 223 nm. Results The main microscopic features such as fiber bundle (Radix Astragali), threaded catheter (Rhodiolae Crenulatae Radix et Rhizoma), inulin and stone cell (Atractylodis Rhizoma) were obviously observed in the microscopic identification method. The spots were fairly clear, well separated, and the negative samples showed no interference in the TLC map. The linearity of salidroside and phillyrin were good in the range of 5.0-50.0, 3.0-30.0 μg/ml, the linear regression equations were Y=11.343X-11.967 (r=0.999 7), Y=8.648X+0.334 (r=0.999 6), respectively, and RSD values of simple recovery rate were 2.34%, 1.81% respectively. The mean content of salidroside and phillyrin in three batches of Qijing Fanggan Capsules were 1.371 5, 0.682 8 mg/g, respectively. Conclusion This research method has strong specificity, high precision, and good repeatability, which can provide a basis for establishing the quality control of Qijing Fanggan Capsules.
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