The rapid routine assay of separation and purification on the extraction of saponin by alcohol from Momordicacharantia L. was studied in this paper. The solvent concentration, extraction period and the ratio of elution solution were consideredto ensure an optimized technological process to extract and isolate saponin from Momordica charantia L. Rg1(from Ginseng) wastaken as control.From the maxmium absorbance wavelength selected between the two UV spectra of saponin from Momordicacharantia L. and Rg1, a sta...