Table 2 The antioxidant activity of the phenolic content for GCS germinated under different concentrations of Cd and Pb (25 to 150 mg kg−1).

From: Antioxidant system of garden cress sprouts for using in bio-monitor of cadmium and lead contamination

Metal

mg kg−1

IC50 (mg GAE mL−1)

EC50(mg GAE mL−1)

DPPH

ABTS

PMC

Control

0.0098 ± 2.0 × 10−4a

0.0065 ± 5.0 × 10−5a

0.0070 ± 6.0 × 10−4a

Cd25

0.0073 ± 1.4 × 10−4b

0.0048 ± 3.4 × 10−5b

0.0060 ± 5.3 × 10−4b

Cd50

0.0063 ± 1.3 × 10−4c

0.0036 ± 2.2 × 10−5c

0.0050 ± 5.0 × 10−4c

Cd75

0.0052 ± 1.1 × 10−4d

0.0025 ± 1.7 × 10−5d

0.0044 ± 4.2 × 10−4d

Cd100

0.0041 ± 1.2 × 10−4e

0.0015 ± 2.4 × 10−5e

0.0033 ± 4.2 × 10−4e

Cd150

0.0032 ± 1.1 × 10−4f

0.0010 ± 3.0 × 10−5f

0.0024 ± 4.1 × 10−4f

Pb25

0.0080 ± 1.8 × 10−4 g

0.0045 ± 3.1 × 10−5 g

0.0059 ± 5.1 × 10−4b

Pb50

0.0071 ± 2.1 × 10−4b

0.0032 ± 3.2 × 10−5 h

0.0050 ± 5.8 × 10−4c

Pb75

0.0062 ± 2.0 × 10−4c

0.0023 ± 2.7 × 10−5j

0.0041 ± 6.2 × 10−4j

Pb100

0.0051 ± 2.1 × 10−4d

0.0016 ± 2.8 × 10−5 k

0.0032 ± 5.8 × 10−4e

Pb150

0.0041 ± 2.2 × 10−4e

0.0011 ± 2.9 × 10−5i

0.0021 ± 6.0 × 10−4 g

  1. GAE Gallic acid equivalent. Data are presented as means ± SD (n = 4) and values in the same column with different superscripts were considered significant at p < 0.01.
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