›› 2015, Vol. 42 ›› Issue (4): 958-965.doi: 10.16431/j.cnki.1671-7236.2015.04.028

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Simultaneous Determination of Effective Components of Compound Praziquantel Pour-on Preparation by HPLC

JIN Li-qin1,2, CHEN Xiao-lan1,2, LI Yong-Jun1, YU Jie1,2, JIANG Chun-mao1   

  1. 1. Jiangsu Agri-animal Husbandry Vocational College, Taizhou 225300, China;
    2. Beikang Pharmaceutical Co., Ltd., Taizhou 225300, China
  • Received:2014-11-06 Online:2015-04-20 Published:2015-05-05

Abstract: The assay was aimed to establish the method to simultaneously determine praziquantel (PZQ) and eprinomectin (EPR) contents of compound praziquantel pour-on preparation by HPLC in single wavelengths. The chromatographic conditions were as follows, C18 column (250 mm×4.6 mm, 5 μm) with a column temperature of 30 ℃, the mobile phase was consisted of acetonitrile-water-trifluoroacetic acid (70:30:0.01) with a flow rate of 1.0 mL/min, and the detection wavelength was set at 245 nm. The results showed that the linear relation of PZQ was good in the linear range between 0.7506 and 7.5063 mg/mL, the linear relation of EPR was good in the linear range between 31.266 and 312.660 μg/mL, related coefficients were both 0.9999, and the average recovery was 99.0% with RSD 1.02% and 98.1% with RSD 0.32%, respectively. The established HPLC method was quick, simple, accurate and reliable, and could be applied to determine the PZQ and EPR contents of compound praziquantel pour-on preparation.

Key words: HPLC; pour-on preparation; praziquantel (PZQ); eprinomectin (EPR)

CLC Number: