复方小儿退热栓的质量标准提高研究

目的:提高复方小儿退热栓的药品质量标准。方法:在原质量标准的基础上,建立处方中人工牛黄和南板蓝根的薄层色谱(TLC)鉴定方法;建立胆酸、猪去氧胆酸、对乙酰氨基酚含量测定的高效液相色谱(HPLC)法。结果:复方小儿退热栓中人工牛黄和南板蓝根的TLC图谱均与相应的对照品或对照药材在相同位置上显现相同颜色的斑点,且相应的阴性样品无干扰。HPLC法采用色谱柱分别为Welch Xtimate C₁₈柱(胆酸、猪去氧胆酸)、Agilent ZORBAX SB-C₁₈柱(对乙酰氨基酚);流动相分别为乙腈-0.5%甲酸溶液(梯度洗脱,胆酸、猪去氧胆酸)、甲醇-水溶液(20∶80,V/V,对乙酰氨基酚);流速为1.0 mL/min;蒸发光散射检测器的漂移管温度为105℃,载气流速为2.0 L/min(胆酸、猪去氧胆酸);紫外检测波长为244 nm(对乙酰氨基酚)。胆酸、猪去氧胆酸、对乙酰氨基酚进样量分别在0.150 0～4.500 0、0.212 5～6.375 0、0.081 9～1.638 5μg范围内线性关系良好(r均大于0.999 2);精密度、重复性...

Study on Quality Standard Improvement for Compound Child Antifebrile Suppository

OBJECTIVE:To improve the quality standard of Compound child antifebrile suppository.METHODS:Based on the previous quality standard,TLC identification methods were established for artificial cow-bezoar and Baphicacanthis Cusiae Rhizoma et Radix.HPLC method was established for content determination of choleic acid(CA),hyodeoxycholic acid(HDCA)and paracetamol.RESULTS:TLC chromatogram of artificial cow-bezoar and Baphicacanthis Cusiae Rhizoma et Radix all showed the same color spots in the same position as the corresponding substance control or reference medicinal material,while the negative samples had no interference.HPLC was performed on Welch Xtimate C18 column(CA,HDCA)or Agilent ZORBAX SB-C18 column(paracetamol)with mobile phase consisted of acetonitrile-0.5%formic acetic acid(by gradient elution,CA and HDCA)or methanol-water(20∶80,V/V,paracetamol)at the flow rate of 1.0 mL/min.ELSD was used with a nitrogen flow-rate of 2.0 L/min at a drift tube temperature of 105℃(CA,HDCA).The detection wavelength was set at 244 nm(paracetamol).The linear ranges of CA,HDCA,paracetamol were 0.1500-4.5000,0.2125-6.3750,0.0819-1.6385μg(all r>0.9992).RSDs of precision,reproducibility and stability tests were all lower than 3%(n=6 or n=7).The average recoveries were 100.35%,101.39%,98.81%(all RSD<3%,n=6).CONCLUSIONS:Based on previous quality standard of Compound child antifebrile suppository,TLC method is used to identify artificial cow-bezoar and Baphicacanthis Cusiae Rhizoma et Radix,and the contents of CA,HDCA and paracetamol are determined by HPLC,which can effectively improve the quality control standard of the preparation.