Official Journal of the Japan Wood Research Society
Table 2 Antioxidant activities and IC 50 of M. leucadendron leaf oils and authentic compounds by DPPH method
From: Antioxidant, anti-hyaluronidase and antifungal activities of Melaleuca leucadendron Linn. leaf oils
Sample | Concentration (mg/ml) | InhibitionA (%) | IC50 (mg/ml) |
|---|---|---|---|
A1 | 5 | 23.77 ± 0.23b | 9.23 |
7.5 | 39.58 ± 0.09c | ||
10 | 54.59 ± 0.45e | ||
A2 | 5 | 29.41 ± 0.49b | 7.21 |
7.5 | 50.53 ± 0.34de | ||
10 | 78.96 ± 1.09g | ||
A3 | 5 | 27.10 ± 0.15b | 7.71 |
7.5 | 44.33 ± 0.34d | ||
10 | 72.79 ± 0.90g | ||
1,8-cineole | 2.5 | 23.29 ± 0.18b | 4.92 |
5 | 52.64 ± 0.15e | ||
7.5 | 76.60 ± 0.08g | ||
d-limonene | 2.5 | 28.49 ± 0.25b | 4.58 |
4 | 44.31 ± 0.02d | ||
5 | 54.17 ± 0.09e | ||
β-caryophyllene | 1 | 21.73 ± 0.28b | 3.68 |
3 | 44.67 ± 0.04d | ||
5 | 60.76 ± 0.13e | ||
α-terpineol | 2.5 | 29.06 ± 0.23b | 4.59 |
4 | 44.41 ± 0.04b | ||
5 | 53.88 ± 0.06e | ||
BHA (butylated hydroxyanisole) | 20 × 10−3 | 43.47 ± 0.41d | 25.68 × 10−3 |
50 × 10−3 | 71.41 ± 0.14g | ||
80 × 10−3 | 82.09 ± 0.23g | ||
Eugenol | 3 × 10−4 | 8.29 ± 0.91a | 3.25 × 10−3 |
6 × 10−4 | 25.79 ± 0.07b | ||
6 × 10−3 | 82.08 ± 0.22g |