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Ferric reducing antioxidant power (FRAP) assay for hydroethanolic extract of Indian propolis (HEIP) and ascorbic acid
| Conc. (µg) | HEIP | Ascorbic acid | ||
|---|---|---|---|---|
| Absorbance at 593 nm (mean ± SD) | EC50 (µg/mL) (mean ± SD) | Absorbance at 593 nm (mean ± SD) | EC50 (µg/mL) (mean ± SD) | |
| 20 | 0.081 ± 0.001 | 105.73 ± 2.47 | 0.177 ± 0.003 | 56.29 ± 3.21 |
| 40 | 0.193 ± 0.001 | 0.371 ± 0.004 | ||
| 60 | 0.281 ± 0.002 | 0.521 ± 0.002 | ||
| 80 | 0.376 ± 0.004 | 0.723 ± 0.006 | ||
| 100 | 0.486 ± 0.002 | 0.874 ± 0.003 | ||
| 120 | 0.573 ± 0.003 | 1.131 ± 0.007 | ||
