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Antioxidant activity of simple and fortified kefir. TPE = total phenolic equivalent; TAC = total antioxidant capacity; GA = gallic acid; CT = catechin.
| Sample | TPE (meq GA/L) |
TAC (meq CT/L) |
IC50 (mg mL−1) |
|---|---|---|---|
| DPPH Radical | |||
| Kwht | 1.615 ± 0.005 | 0.558 ± 0.004 | 0.107 ± 0.001 |
| Ksgn | 1.975 ± 0.004 | 0.785 ± 0.003 | 0.090 ± 0.001 |
