Fig. 1From: Melicope ptelefolia leaf extracts exhibit antioxidant activity and exert anti-proliferative effect with apoptosis induction on four different cancer cell linesDetermination of antioxidant components and in vitro antioxidant activities of MP leaf extracts. (a) Total phenolic content, (b) Total flavonoid content, (c) ABTS radical-scavenging, and (d) DPPH radical-scavenging. Values are mean ± SD (n = 3). RB, raspberry; BKB, blackberry; BLB, blueberry; HX, hexane; EA, ethyl acetate; MeOH, methanol; W, water. Means with different letters (a-d) are significantly different (p < 0.05). GAE, gallic acid equivalent; QE, quercetin equivalent; DE, dried extract; Tx, trolox; AA, ascorbic acid; Cn, catechin; Qn, quercetinBack to article page