方法以三七总皂苷含量为评价指标，采用正交试验法优选超声波提取三七总皂苷的工艺条件。
Methods the optimal process of extracting total saponins was studied by orthogonal test, as the content of the total saponins being the measurement.
三七以乙醇渗漉提取后，用d _(101)大孔吸附树脂进行纯化，所得三七总皂苷含量达90%以上，杂质较少。
PNS was extracted with ethanol from Radix notoginseng by infiltrating, and purified with D101 macroporous resin, its content up to 90%.
目的测定三七的不同溶剂浸提液中总皂苷的含量。
Objective to determine the content of total saponins in different extract of Panpax notoginseng.
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