ZHANG Li-jie,LIAO Huan,LUAN Qing-xiang,et al.Determination of Chlorogenic Acid and Forsythin in Veterinary Yinqiao Powder by HPLC[J].HEILONGJIANG AGRICULTURAL SCIENCES,2022,(10):83-88.[doi:10.11942/j.issn1002-2767.2022.10.0083]
HPLC法测定兽用银翘散中绿原酸和连翘苷含量
- Title:
- Determination of Chlorogenic Acid and Forsythin in Veterinary Yinqiao Powder by HPLC
- Keywords:
- high performance liquid chromatography; Yinqiao powder; chlorogenic acid; forsythin; assay
- 文献标志码:
- A
- 摘要:
- 为了提升兽用银翘散的质控技术,对提取方法、提取溶剂、测定波长、流动相等方面进行研究,建立了同时测定兽用银翘散中绿原酸、连翘苷含量的高效液相色谱法。结果表明,银翘散采用50 mL的50%甲醇溶液超声提取30 min后,提取液补重,用C18色谱柱分离,乙腈-0.4%磷酸溶液梯度洗脱,检测波长为277 nm为最佳提取条件。绿原酸、连翘苷分别在20~400 μg·mL-1和2.5~50.0 μg·mL-1内呈现良好的线性关系,相关系数均大于0.999 99,平均回收率分别为101.5%(RSD=2.47%,n=6)和93.7%(RSD=2.69%,n=6)。该方法具有操作简单、准确性好、精密度高、适用性强等优点,可作为兽用银翘散的质量评价与控制方法应用。
- Abstract:
- In order to improve the quality control technology of Yinqiao powder for veterinary drug enterprises, this paper studied the extraction method, extraction solvent, determination wavelength and flow equality, and established a high performance liquid chromatography method for simultaneous determination of chlorogenic acid and forsythiin in Yinqiao powder for veterinary use. The results showed that Yinqiao powder was extracted with 50 mL of 50% methanol solution by ultrasound for 30 min, then the extract was separated by C18 column and eluted by acetonitrile-0.4% phosphoric acid gradient. The optimal detection wavelength was 277 nm. Chlorogenic acid and phillyrin showed good linear relationship at 20-400 μg·mL-1 and 2.5-50.0 μg·mL-1 respectively. The correlation coefficients were greater than 0.999 99. The average recoveries were 101.5% (RSD=2.47%,n=6) and 937% (RSD=2.69%,n=6) for chlorogenic acid and forthiacin, respectively. This method has the advantages of simple operation, good accuracy, high precision and strong applicability, and can be used as one of the quality evaluation and control methods of Yinqiao powder for veterinary use.
参考文献/References:
[1]王学明.银翘散加减治疗牛异物呛肺[J].养殖技术顾问,2004(10):30.[
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备注/Memo
收稿日期:2022-06-20