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Table 4 Supplementation with various concentrations of SWCNTs changed DPPH free radical scavenging activity, total flavonoids (TFC) and total phenolics (TPC) in T. daenensis seedlings

From: Exposure to single-walled carbon nanotubes differentially affect in vitro germination, biochemical and antioxidant properties of Thymus daenensis celak. seedlings

SWCNT

(µg ml−1)

TPC

(mg GAE g−1 DW)

TFC

(mg QUE g−1 DW)

DPPH

(%)

0

3.08 ± 0.2 a

41.80 ± 1.4 a

75.17 ± 0.9 b

62.5

3.40 ± 0.02 a

42.15 ± 0.9 a

87.64 ± 0.3 a

125

2.72 ± 0.09 b

38.00 ± 2.1 ab

80.35 ± 0.8 a

250

2.87 ± 0.07 b

34.80 ± 0.5 b

74.11 ± 0.7 b

500

1.24 ± 0.03 d

21.95 ± 10.5 c

63.64 ± 0.8c

1000

2.22 ± 0.8 c

13.00 ± 3.0 d

64.82 ± 0.3c

Ascorbic acid (0.5 µg g−1)

  

79.60 ± 0.00

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BMC Plant Biology

ISSN: 1471-2229

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