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Triterpenoidsaponinsareaclassofnaturalproductswidelyusedasfolkmedicinewithvariousbioactivities,suchascardiac,antifungal,hemolyticactivities.Electrosprayionizationmassspectrometrycombinedwithmulti-stagetandemmassspectrometry(ESI-MSn)providesapowerfultoolfo