Table 4 Antioxidant activity of the Mahanintangtong formula and its constituent herbs (n = 3)
Plant name | Extracts type | IC50 ± SEM (μg/ml) | |
|---|---|---|---|
ABTS radical-scavenging assay | DPPH radical-scavenging assay | ||
Entada rheedii (carbonized) | Ethanol | 22.60 ± 0.86 | 21.15 ± 3.72 |
Water | 10.29 ± 1.19 | 37.34 ± 0.54 | |
Spondias pinnata (carbonized) | Ethanol | 14.08 ± 2.49 | 5.72 ± 0.90 |
Water | 10.18 ± 1.05 | 28.64 ± 1.25 | |
Sapindus rarak (carbonized) | Ethanol | > 100 | > 100 |
Water | 94.14 ± 6.71 | > 100 | |
Calamus caesius (carbonized) | Ethanol | 54.05 ± 0.75 | 58.93 ± 2.85 |
Water | 26.16 ± 1.16 | > 100 | |
Tectona grandis (carbonized) | Ethanol | 10.13 ± 0.77 | 18.59 ± 2.65 |
Water | 24.81 ± 2.20 | 30.12 ± 1.79 | |
Dracaena loureiroi | Ethanol | 8.38 ± 0.95 | 16.95 ± 1.43 |
Water | 10.92 ± 1.23 | 19.65 ± 0.30 | |
Myristica fragrans | Ethanol | 49.69 ± 2.02 | 19.76 ± 0.98 |
Water | 24.21 ± 1.13 | 30.99 ± 1.33 | |
Pogostemon cablin | Ethanol | 63.50 ± 3.88 | 17.81 ± 1.15 |
Water | 35.09 ± 0.96 | 18.10 ± 1.72 | |
Tiliacora triandra | Ethanol | > 100 | 65.30 ± 2.04 |
Water | 79.48 ± 2.12 | 21.04 ± 2.09 | |
Chinese ink (Inkstick) | Ethanol | N/A | N/A |
Water | > 100 | > 100 | |
Monetaria moneta (Money cowry) | Ethanol | N/A | N/A |
Water | > 100 | > 100 | |
Mahanintangtong formula | Ethanol | 14.86 ± 0.240 | 15.31 ± 1.01 |
Water | 34.43 ± 0.47 | 22.58 ± 1.33 | |
BHT | 5.66 ± 0.26 | 14.87 ± 0.94 | |
Trolox | 4.71 ± 0.04 | 5.02 ± 0.20 | |