田七中总黄酮含量的测定及其黄酮种类的初步鉴别

Measurement and Identification of Flavones in Panpax notoginseng

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0.015mg/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。

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 0.015mg/mL of flavones in the extract measxa-ed on the base of rutin as standard sample. With color reaction, it was identified that the species of flavones in the extract were flavanones.