Table 6.

Kinetics parameters of G6PDH in kidney of L. rohita fingerling on 21-days continuous exposure to nonlethal dose of endosulfan (1/10 dose of LC₅₀) against unexposed control and fed with diets containing lecithin, betaine and choline during experimental period

Michaelis–Menten	Endosulfan exposed				Control
	Soylecithin	Betaine	Choline	Control
V max	5.75b ± 0.55	5.89b ± 0.39	4.15ab ± 0.03	2.97a ± 0.03	5.23b ± 0.04
K m	0.14a ± 0.01	0.44b ± 0.03	0.46b ± 0.02	0.20a ± 0.01	0.38b ± 0.01
Catalytic efficiency	40.63b ± 2.86	13.34a ± 1.21	9.04a ± 0.53	15.14a ± 0.76	13.45a ± 1.28

Values in the same row with different lowercase letter differ significantly (P < 0.05), data expressed as mean ± SE, N = 3