Survey of Iranian plants for saponins, alkaloids, flavonoids and tannins. III

AbstractA total of 175 plant extracts representing 51 different families has been screened for saponins, flavonoids, tannins and alkaloids. Positive tests obtained were 155 (88%) for saponins, 86 (49%) for alkaloids, 102 (58%) for flavonoids and 54 (30%) for tannins.