Table 1b.

Effect of NPs on superoxide dismutase, catalase and peroxidase activity from the root of the plant.

		Enzyme activity (U/ml)
Enzymes	NPs(%)	24 h	48 h	72 h	96 h
sod U/ml	20	0.014 ± 0.001	0.022 ± 0.001	0.031 ± 0.003	0.046 ± 0.003
	40	0.016 ± 0.001	0.024 ± 0.002	0.033 ± 0.002	0.048 ± 0.002
	60	0.017 ± 0.002	0.027 ± 0.002	0.038 ± 0.001	0.049 ± 0.001
	80	0.019 ± 0.001	0.023 ± 0.001	0.042 ± 0.003	0.054 ± 0.004
	100	0.022 ± 0.002	0.047 ± 0.003	0.054 ± 0.002	0.063 ± 0.005
CAT U/ml	20	0.012 ± 0.001	0.019 ± 0.001	0.024 ± 0.002	0.31 ± 0.002
	40	0.0111 ± 0.001	0.017 ± 0.002	0.021 ± 0.001	0.029 ± 0.001
	60	0.01 ± 0.002	0.017 ± 0.003	0.019 ± 0.001	0.020 ± 0.001
	80	0.009 ± 0.0004	0.015 ± 0.001	0.017 ± 0.002	0.018 ± 0.001
	100	0.008 ± 0.0006	0.013 ± 0.001	0.014 ± 0.001	0.012 ± 0.002
POD U/ml	20	10.1 ± 1.1	10.7 ± 1.2	11.2 ± 1.2	15.8 ± 1.3
	40	11.4 ± 1.2	14.4 ± 1.2	15.8 ± 1.5	19.3 ± 1.5
	60	11.7 ± 1.4	17.2 ± 1.1	21.3 ± 2.1	24.5 ± 2.1
	80	12.3 ± 1.3	19.3 ± 1.4	24.6 ± 2.3	26.4 ± 1.6
	100	12.8 ± 1.4	21.3 ± 2.1	27.1 ± 2.4	29.5 ± 2.2