It can be concluded that the phytochemical screening of aqueous and methanolic extract of Brassica oleracea (white cabbage) showed that the presence of carbohydrates, alkaloids, flavonoids, steroids, terpenoids, tannins, quinones and phenols, and the absence of saponins and glycosides were respectively. The DPPH radical scavenging activity of the methanolic extract of Brassica oleracea (white cabbage) revealed that the IC50 with minimum concentration and more effective radical scavenging activity when compared to standard and aqueous extract. The MTT assay of the methanolic extract of...