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.