Table 2.
ABTS•+, phosphomolybdenum reduction and ferric reducing antioxidant power activity.
| Extracts | Leaf | Fruit | ||||
|---|---|---|---|---|---|---|
|
|
|
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| (1)ABTS•+ (mg trolox equivalents/g) | Phosphomolybdenum (mg ascorbic acid equivalents/g) | (2)FRAP(mg Fe(II)equivalents/100 mg) | (1)ABTS•+ (mg trolox equivalents/g) | Phosphomolybdenum (mg ascorbic acid equivalents/g) | (2)FRAP(mg Fe(II) equivalents/100 mg) | |
| Petroleum ether | 540.68 ± 49.31 | 385.96 ± 2.60 | 5.68 ± 0.60 | 552.67 ± 3.05 | 425.26 ± 16.13d | 23.28 ± 1.29 |
| Chloroform | 826.34 ± 61.71 | 389.65 ± 0.80 | 51.23 ± 6.28 | 3589.03 ± 455.67 | 476.32 ± 17.99c | 52.55 ± 4.91 |
| Acetone | 16,100.68 ± 1087.55b | 624.21 ± 16.57a | 118.32 ± 1.93a | 3495.81 ± 777.78 | 539.47 ± 10.95b | 26.13 ± 3.16 |
| Methanol | 11,745.90 ± 513.71d | 435.79 ± 21.19d | 122.04 ± 1.85a | 10,400.85 ± 100.54 | 467.37 ± 12.26c | 122.54 ± 2.22a |
| Ethanol | 20,628.58 ± 513.71a | 436.32 ± 2.93d | 102.65 ± 1.49c | 5966.17 ± 926.32 | 398.42 ± 4.59 | 104.79 ± 4.42b |
| Hot water | 17,285.92 ± 1201.44b | 388.95 ± 0.53 | 101.78 ± 0.50c | 3748.83 ± 827.58 | 387.72 ± 2.90 | 110.89 ± 5.09b |
| BHT | 28213.02 | — | 423 ± 1.43 | 28,213.02 | — | 423 ± 1.43 |
Data are presented as mean of triplicate determination ± standard deviation.
*
Statistically significant at p < 0.05 where a > b > c > d.
ABTS•+ = 2, 2′-azino-bis-(3-ethyl-benzothiozoline)-6-sulfonic acid diammonium salt cation radical; BHT = butylhydroxytoluene; FRAP = ferric reducing antioxidant power.