Research Article

Impact of Different Extraction Solvents on Phenolic Content and Antioxidant Potential of Pinus densiflora Bark Extract

Figure 2

DPPH radical scavenging activity of Pinus densiflora bark (PDB) extracts from different solvents. Activity is expressed as Trolox equivalent (TE) mg/g extract. Values are mean ± SD from three independent experiments. p < 0.05, p < 0.001, ns: nonsignificant, compared to E0 (water extract).