目的：为建立鲜天麻冻干粉的质量标准提供参考。方法：采用薄层色谱（TLC）法对制剂中的天麻进行定性鉴别；采用高效液相色谱法测定制剂中天麻素的含量。色谱柱为Diamonsil C18，流动相为乙腈-0.05％磷酸（3∶97，V/V），流速为1.0 ml/min，检测波长为220 nm，柱温为25℃，进样量为10μl。结果：鲜天麻冻干粉的TLC图斑点清晰、分离度好。天麻素检测质量浓度线性范围为2.9～14.5μg/ml（r＝0.9999）；精密度、稳定性、重复性试验的RSD≤1.00％；加样回收率为98.07％～102.70％，RSD为1.74％（n＝6）。结论：该方法操作简便、结果准确、重复性好，适用于鲜天麻冻干粉的质量控制。%OBJECTIVE:To provide reference for the establishment of quality standard for Fresh Gastrodia elata lyophilized powder. METHODS:TLC was conducted for the qualitative identification of G. elata in preparation,and HPLC was conducted for the content determination of gastrodin in preparation. The column was Diamonsil C18 with mobile phase of acetonitrile-0.05% phos-phoric acid(3∶97,V/V)at a flow rate of 1.0 ml/min,detection wavelength was 220 nm,column temperature was 25 ℃ and vol-ume injection was 10 μl. RESULTS:TLC pots of Fresh G. elata lyophilized powder were clear and well-separated. The linear of gastrodin was 2.9-14.5 μg/ml(r=0.999 9);RSDs of precision,stability and reproducibility tests were no more than 1.00%;recov-ery was 98.07%-102.70%(RSD=1.74%,n=6). CONCLUSIONS:The method is simple,accurate and reproducible,and suitable for the quality control of Fresh G. elata lyophilized powder.
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