Table 5 Antioxidant activity (IC50 values, mg/mL) of infusions, decoctions and tinctures from Artemisia campestris subsp. maritima organs: radical scavenging on DPPH, ABTS, NO and O2•— radicals, ferric reducing antioxidant power (FRAP) and metal-chelating activities on copper (CCA) and iron (ICA).
Samples | Antioxidant activity | ||||||||
---|---|---|---|---|---|---|---|---|---|
Organ | Extract | DPPH | ABTS | NO | O2•— | FRAP | CCA | ICA | |
A. campestris subsp. maritima | Roots | Infusion | 0.39 ± 0.02c | 0.45 ± 0.02de | 0.74 ± 0.03c | 0.21 ± 0.01b | 0.29 ± 0.01c | 1.64 ± 0.10c | 7.82 ± 0.37d |
Decoction | 0.37 ± 0.02bc | 0.37 ± 0.01b | 0.55 ± 0.01bc | 0.18 ± 0.01a | 0.25 ± 0.00b | 1.64 ± 0.04c | 7.37 ± 0.34cd | ||
Tincture | 0.46 ± 0.02d | 0.46 ± 0.01e | 1.40 ± 0.07d | 0.33 ± 0.01d | 0.24 ± 0.00b | 3.60 ± 0.11e | >10 | ||
Aerial-organs | Infusion | 0.33 ± 0.03b | 0.41 ± 0.01cd | 0.70 ± 0.03bc | 0.23 ± 0.01bc | 0.17 ± 0.00a | 1.31 ± 0.05b | 6.47 ± 0.35bc | |
Decoction | 0.34 ± 0.03bc | 0.44 ± 0.01de | 0.49 ± 0.01ab | 0.24 ± 0.00c | 0.27 ± 0.01c | 1.30 ± 0.09b | 6.33 ± 0.43b | ||
Tincture | 0.24 ± 0.01a | 0.40 ± 0.01bc | 0.29 ± 0.02a | 0.35 ± 0.01e | 0.23 ± 0.01b | 2.51 ± 0.09d | >10 | ||
BHT* | 0.32 ± 0.02b | 0.11 ± 0.00a | — | ||||||
Ascorbic acid* | 2.31 ± 0.22e | ||||||||
Catechin* | 0.62 ± 0.01f | ||||||||
EDTA* | 0.13 ± 0.00a | 0.07 ± 0.00a |