[关键词]
[摘要]
本文研究了田七提取液中总黄酮含量的测定及黄酮种类的鉴别。结果表明75%乙醇是浸提田七中黄酮类化合物的较理想溶剂。以芦丁为标准品测得该提取液中的总黄酮含量为0.015 mg/mL。在此基础上,通过颜色反应,确定田七75%乙醇提取液中黄酮的种类主要为双氢黄酮。
[Key word]
[Abstract]
The content of flavones in the extract of Panpax notoginseng was measured and the species of flavones were identified. The results showed that 75% ethanol was an appropriate solvent for extracting flavones from Panpax notoginseng. It was found that there was 0.015 mg/mL of flavones in the extract measured on the base of rutin as standard sample. With color reaction, it was identified that the species of flavones in the extract were flavanones.
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[基金项目]
广东省科技厅项目(2005B20401021);广州市海珠区科技局项目(2005-Z-25)