Table 3.
Antioxidant activity (DPPH, ABTS+, RPA and TAC) of different fenugreek cultivars
| Cultivars | Percent (%) inhibition against DPPH radical | Percent (%) inhibition against ABTS+ | Reducing power activity (mg QE/g dwb) | Total antioxidant capacity (mg AAE/g dwb) | ||||
|---|---|---|---|---|---|---|---|---|
| Aq. ethanol (50%) | Methanol | Aq. ethanol (50%) | Methanol | Aq. ethanol (50%) | Methanol | Aq. ethanol (50%) | Methanol | |
| HM-57 | 86.0 ± 0.26dp | 92.8 ± 0.19cq | 98.2 ± 0.05bq | 72.9 ± 0.10bp | 39.0 ± 0.13cq | 23.6 ± 0.16 bp | 19.5 ± 0.20cdq | 14.7 ± 0.10cp |
| HM-103 | 84.9 ± 0.30cp | 92.4 ± 0.21cq | 98.0 ± 0.15bq | 97.3 ± 0.19ep | 38.8 ± 0.06cq | 37.6 ± 0.10ep | 18.6 ± 0.19bcq | 16.4 ± 0.09dep |
| RMT-143 | 86.2 ± 0.33dp | 93.0 ± 0.25dq | 98.3 ± 0.08bq | 91.3 ± 0.15cp | 40.9 ± 0.05dq | 30.2 ± 0.11cp | 19.6 ± 0.15dq | 16.1 ± 0.05dp |
| RMT-365 | 87.6 ± 0.27ep | 93.2 ± 0.17dq | 98.5 ± 0.10bq | 97.7 ± 0.08ep | 44.9 ± 0.11eq | 43.5 ± 0.08fp | 19.3 ± 0.17cq | 16.7 ± 0.11ep |
| AFG-1 | 81.8 ± 0.25ap | 82.2 ± 0.20aq | 98.1 ± 0.11bq | 69.2 ± 0.14ap | 37.8 ± 0.18bq | 15.9 ± 0.05ap | 18.3 ± 0.14bq | 13.7 ± 0.05bp |
| Kasoori methi | 83.3 ± 0.21 bp | 84.4 ± 0.15bq | 97.7 ± 0.07aq | 96.4 ± 0.06dp | 36.0 ± 0.14aq | 35.9 ± 0.12dp | 18.2 ± 0.12aq | 12.8 ± 0.03ap |
Means followed by different superscripts in a column differ significantly (p < 0.05). Superscripts p and q in a row show variation among aqueous ethanol (50%) and methanol extracts
QE quercetin equivalents; AAE ascorbic acid equivalents