H.Chen. (RO).Method:the extract condition of total saponins in RO was served by orthogonal design and resin and thin layer chromatography with the total saponins in root of Panax notoginseng as index.

• 方法:以三七总皂苷的含量为指标,采用正交试验对三七提取的条件进行考察,,并用确定的条件采用大孔树脂法、薄层色谱法进行验证。