Effect of Chronic Exposure to Prometryne on Oxidative Stress and Antioxidant Response in Red Swamp Crayfish (Procambarus clarkii)

Table 4

Effect of chronic exposure to prometryne on glutathione reductase (GR, nmol NADPH min⁻¹ mg⁻¹ protein) activity in red swamp crayfish tissues.

Indices	Exposure time (days)	Test groups
		Control	Prometryne; 0.51 𝜇g L^−1	Prometryne; 0.144 mg L^−1	Prometryne; 1.44 mg L^−1
Hepatopancreas	11	1.250±1.47	0.300±0.19	0.272±0.17	0.249±0.11
	25	1.221±0.58	0.489±0.31^∗	0.418±0.11^∗	0.314±0.17^∗
Muscle	11	0.308±0.23	0.337±0.11	0.745±0.42	0.623±0.13
	25	0.307±0.18	0.608±0.19^∗	0.646±0.16^∗	0.660±0.07^∗

Data are means ± SD, 𝑛=6. Significant differences compared with control value, *<0.01.