From: Effect of Alpinia zerumbet components on antioxidant and skin diseases-related enzymes
Sample | Extraction | Inhibitory effect (IC50; μg/mL) | ||
---|---|---|---|---|
DPPH | ABTS | PMS-NADH | ||
BHT |  | 11.74 ± 0.15 a 1 | 14.26 ± 0.16 a | 24.80 ± 0.98 a |
Rhizome | Aqueous | 25.31 ± 0.67 b | 73.94 ± 1.23 b | 64.70 ± 0.72 c |
Ethanol | 145.07 ± 1.68 e | 155.86 ± 4.09 f | 113.37 ± 1.24 d | |
Stem | Aqueous | 144.03 ± 0.27 e | 127.97 ± 1.70 d | 215.09 ± 0.28 h |
Ethanol | 293.08 ± 0.17 g | 223.17 ± 0.26 i | 132.27 ± 1.33 e | |
Leaf | Aqueous | 165.60 ± 0.44 f | 143.77 ± 1.37 e | 191.24 ± 0.20 g |
Ethanol | 586.47 ± 0.77 j | 206.65 ± 0.85 h | 168.23 ± 4.77 f | |
Flower | Aqueous | 132.19 ± 1.02 c | 140.50 ± 1.18 e | 117.32 ± 1.46 d |
Ethanol | 559.01 ± 3.61 h | 293.90 ± 3.64 k | 210.50 ± 4.03 h | |
Pericarp | Aqueous | 140.91 ± 0.30 de | 163.41 ± 1.07 g | 169.02 ± 1.01 f |
Ethanol | 580.38 ± 0.26 i | 246.71 ± 0.85 j | 166.11 ± 0.52 f | |
Seed | Aqueous | 10.33 ± 0.03 a | 84.29 ± 0.72 c | 58.55 ± 0.31 b |
Ethanol | 136.63 ± 0.33 cd | 137.92 ± 1.74 e | 56.12 ± 1.08 b |