Table 1.
Material | DPPH | Total phenolic content (µgGAE/mg of material) | Metal chelating activity |
---|---|---|---|
IC50 (µg/mL) | (%) | ||
Ex. CHCl3 | 41.2 ± 1.3d | 116.5 ± 0.7b | NA2 |
Ex. n-Butanol | 52.1 ± 1.1c | 94.4 ± 0.6a | 38.5 ± 1.4b |
BHT | 22.3 ± 0.8b | NS3 | NS3 |
BHA | 19.1 ± 0.4a | NS3 | NS3 |
EDTA | NS3 | NS3 | 93.7 ± 0.3a |
1Values represent averages ± standard deviations for triplicate experiments. Values in the same column with different superscripts are significantly (p < 0.05) different. 2Not active. 3Not studied.