摘要
目的 :从马齿苋中提取总黄酮 ,并测定其含量。方法 :微波技术提取马齿苋总黄酮后用比色法测定总黄酮含量。结果 :测得马齿苋中总黄酮含量 5 .790 % ,平均回收率为 97.6 % ,相对标准偏差 (RSD)为 1.43% (n=6 )。结论 :首次运用微波技术干燥马齿苋并从中提取总黄酮 ,反应速度加快 ,提高了提取效率。
Objective: To extract total flavone from portulaca and determine its content. Method: Extraction with microwave and determination with colorimetry. Result: The content of total flavone was 5.790%, callback rate was 97.6%, RSD was 1.43%(n=6). Conclusion: It was first time to extract total flavone from portulaca. This method improved extraction efficiency.
出处
《山西中医》
2002年第1期50-51,共2页
Shanxi Journal of Traditional Chinese Medicine
基金
石河子大学自然科学基金项目 (编号 2 00 3-82 2 414 )
关键词
微波技术
马齿苋
总黄酮
含量测定
microwave
portulaca,
total flavone
determination of content