Effects of Chlorophenoxy Herbicides and Their Main Transformation Products on DNA Damage and Acetylcholinesterase Activity

Table 1

Acetylcholinesterase inhibitory activity of chlorophenoxy herbicides and its transformation products.

Compound	% inhibition ± S.D.^a
MCPA	12.9±1.5
Mecoprop	Inactive
4-Chloro-2-methylphenol	19.0±0.7
4-Chloro-2-methyl-6-nitrophenol	28.4±5.9
2,4-D	3.9±0.03
Dichlorprop	Inactive
2,4-Dichlorophenol	22.9±1.6
2,4-Dichloro-6-nitrophenol	35.8±4.2
Galantamine	95.7±0.05

aResults are expressed as mean ± standard deviation of three independent determinations.