Environmental Sciences Europe

Table 3 Antioxidant enzymes biomarkers in Chlorella sp. exposed to different paraquat concentrations

From: Multiple physiological response analyses aid the understanding of sensitivity variation between Microcystis aeruginosa and Chlorella sp. under paraquat exposures

	Paraquat (mg L⁻¹)
	0.00	0.10	0.20	0.50	1.00	5.00	10.00	30.00
MDA (U mg⁻¹ protein)	1.68 ± 0.06	1.75 ± 0.15	1.96 ± 0.11	1.76 ± 0.02	3.32 ± 0.70**	2.50 ± 0.05	2.15 ± 0.61	1.61 ± 0.10
CAT (U mg⁻¹ protein)	31.41 ± 2.10	36.22 ± 1.07	47.77 ± 5.29*	42.64 ± 2.43	50.16 ± 5.86*	52.45 ± 3.30**	65.85 ± 3.06**	91.03 ± 9.54**
SOD (U mg⁻¹ protein)	82.46 ± 7.06	92.82 ± 1.53	124.89 ± 12.91*	104.36 ± 4.62	120.30 ± 9.73*	131.93 ± 8.17**	135.59 ± 3.67**	189.08 ± 24.30**

Average values ± SE (n = 3). *p < 0.05

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