Table 3. ABTS radical scavenging activities of P. chinense Purch seed extracts using different extraction solvent
Extraction solvent | Scavenging activity (%) | IC50 (μg/mL) | BHT1) IC50 (μg/mL) |
100 (μg/mL) | 50 (μg/mL) | 25 (μg/mL) | 12.5 (μg/mL) |
Water | 65.18±0.65c2) | 40.18±1.58b | 20.91±1.03c | 9.73±0.30c | 72.13±1.53a | |
75% ethanol | 72.32±0.57b | 53.31±0.68a | 28.66±0.42b | 14.07±0.60b | 58.31±0.33b | 13.70±0.51 |
75% methanol | 76.15±0.98a | 56.57±2.63a | 32.17±0.36a | 16.61±0.11a | 53.54±1.64c | |
2,6-Di-tert-butyl-4-methylphenol (BHT) was used as a positive control.
Mean±SE (n=3) within each column followed by different letters are significantly different (p<0.05).