Table 6.
Antioxidant properties of B. gymnorhiza extracts.
| DPPH (mg TE/g) |
ABTS (mg TE/g) |
CUPRAC (mg TE/g) |
FRAP (mg TE/g) |
Phosphomolybdenum (mmol TE/g) |
Chelating Activity (mg EDTAE/g) |
|
|---|---|---|---|---|---|---|
| BLM | 42.35 ± 0.36 d | 63.73 ± 0.58 e | 108.56 ± 1.63 g | 65.51 ± 0.81d | 0.69 ± 0.06 e | 33.84 ± 0.72 b |
| BRM | 439.53 ± 1.52 b | 470.58 ± 7.68 a | 858.28 ± 20.92 b | 513.48 ± 19.84 b | 3.65 ± 0.02 b | 8.20 ± 0.92 e |
| BTM | 97.04 ± 0.35 c | 140.56 ± 0.20 c | 321.27 ± 2.63 c | 185.72 ± 3.03 c | 1.86 ± 0.13 d | 11.61 ± 0.79 d |
| BFM | 492.62 ± 5.31 a | 457.88 ± 8.32 b | 961.46 ± 11.18 a | 552.49 ± 8.71 a | 4.17 ± 0.31 a | 11.92 ± 0.38 d |
| BLE | 19.85 ± 0.57 e | 26.22 ± 1.02 f | 144.92 ± 2.05 f | 59.22 ± 0.91 d | 2.68 ± 0.15 c | 6.07 ± 0.92 f |
| BRE | 94.07 ± 0.25 c | 140.62 ± 0.10 c | 243.82 ± 1.75 d | 165.01 ± 3.64 c | 2.26 ± 0.13 c,d | 4.87 ± 0.62 f |
| BTE | 12.73 ± 0.26 f | 13.77 ± 1.25 g | 72.60 ± 1.28 h | 34.23 ± 1.01 e | 1.10 ± 0.07 e | 16.87 ± 0.76 c |
| BFE | 42.54 ± 0.50 d | 98.17 ± 2.08 d | 187.18 ± 4.07 e | 53.16 ± 0.44 d,e | 2.54 ± 0.23 c | 60.22 ± 0.05 a |
Different letters (a–h) indicate statistically significant differences in the tested extracts (p < 0.05). Values are expressed as mean ± S.D. of three parallel measurements. Abbreviations: BLM: Bruguiera leaf methanolic; BRM: Bruguiera root methanolic; BTM: Bruguiera twig methanolic; BFM: Bruguiera fruit methanolic; BLE: Bruguiera leaf ethyl acetate; BRE: Bruguiera root ethyl acetate; BTE: Bruguiera twig ethyl acetate; BFE: Bruguiera fruit ethyl acetate; TE: Trolox equivalent; EDTAE: EDTA equivalent.