Table 2

Pearson correlation analyses of the phenolic content and antioxidant activities of the extracts of P. betle
FRAP DPPH Superoxide anion Nitric oxide Hydroxyl radical
Phenolic content 0.982a 0.923a 0.628b 0.928a 0.326

FRAP, ferric reducing antioxidant power; DPPH, 1,1-diphenyl-2-picryl hydrazyl radical-scavenging activity.

a Correlation is significant at the 0.01 level.

b Correlation is significant at the 0.05 level.

Abrahim et al.

Abrahim et al. BMC Complementary and Alternative Medicine 2012 12:220   doi:10.1186/1472-6882-12-220

Open Data