摘要
目的 采用高效液相色谱法（HPLC）测定不同产地粉萆薢中原薯蓣皂苷和薯蓣皂苷含量.方法 采用Agilent C18 色谱柱（4.6 mm×150 mm,5 μm）,以乙腈-水为流动相梯度洗脱,流速0.8 mL/min,检测波长208 nm,柱温30 ℃,进样量20 μL.结果 原薯蓣皂苷在1.73～8.64 μg（r=0.999 1）范围内线性关系良好,平均回收率为101.98%（RSD=1.53%）;薯蓣皂苷在1.03～8.20 μg（r=0.999 6）范围内线性关系良好,平均回收率为101.60%（RSD=2.41%）.10 个不同产地粉萆薢中原薯蓣皂苷含量在0.89%～2.24%之间,薯蓣皂苷含量在0.75%～3.22%之间.结论 该方法操作简便,定量准确,重复性好,可作为粉萆薢药材质量控制方法.
Objective To establish an HPLC method for the content determination of protodioscin and diosgenin in Dioscoreae Hypoglaucae Rhizoma from different habitats.Methods The chromatographic separation was performed on an Agilent C18 column (4.6 mm×150 mm, 5μm) with mobile phase of acetonitrile-water solution with gradient elution at the flow rate of 0.8 mL/min; the detection wavelength was 208 nm; the column temperature was 30℃; the injection volume was 20μL.Results Protodioscin showed a good linear relationship among the range of 1.73–8.64 μg (r=0.999 6), with the average recovery of 101.98% (RSD=1.53%); Diosgenin showed a good linear relationship among the range of 1.03–8.20μg (r=0.999 1), with the average recovery of 101.60% (RSD=2.41%). The contents of protodioscin and diosgenin in Dioscoreae Hypoglaucae Rhizoma from 10 different habitats were in the range of 0.89%–2.24% and 0.75%–3.22%, respectively.Conclusion The method is simple, accurate and with repeatability, which can be used as quality control method of Dioscoreae Hypoglaucae Rhizoma.
出处
《中国中医药信息杂志》
CAS
CSCD
2016年第5期104-106,共3页
Chinese Journal of Information on Traditional Chinese Medicine
基金
北京中医药大学科研创新团队项目(2011-CXTD-12)
关键词
粉萆薢
中药产地
原薯蓣皂苷
薯蓣皂苷
高效液相色谱法
Dioscoreae Hypoglaucae Rhizoma
place of production(TCD)
protodioscin
diosgenin
HPLC
