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).

From: Health promoting potential of herbal teas and tinctures from Artemisia campestris subsp. maritima: from traditional remedies to prospective products

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
  1. Values represent the mean ± SD of at least three experiments performed in triplicate (n = 9). In each column different letters mean significant differences (p < 0.05). *Positive controls.