CHIRAL BEHAVIOR OF THE METABOLITE ALBENDAZOLE SULFOXIDE IN SHEEP, GOATS AND CATTLE

被引:85
作者
DELATOUR, P
GARNIER, F
BENOIT, E
CAUDE, I
机构
关键词
D O I
10.1016/0034-5288(91)90095-6
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
Three sheep, three goats and three cattle were dosed orally with 5.0, 7.5 and 10 mg albendazole kg-1 bodyweight, respectively. Blood samples were taken at intervals for 48 hours after administration. The enantiomeric ratio of the metabolite albendazole sulphoxide (SO.ABZ) was determined by liquid chromatography on chiral stationary phases. At T(o), the plasma concentration ratio (+)SO.ABZ/(-)SO.ABZ was estimated at 3.0 in sheep, 1.5 in goats and 4.0 in cattle. The proportion of the (+) enantiomer then increased linearly as a function of time during the course of the kinetics. In comparison to the area under the curve for total SO.ABZ, the (+) enantiomer represented 86 per cent in sheep, 80 per cent in goats and 91 per cent in cattle. The specific behaviour of the two enantiomers is probably the result of the enantioselectivity of the flavine adenosine dinucleotide and cytochrome P450 dependent enzymatic systems which are involved in the sulphoxidation and the sulphonation of ABZ.
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页码:134 / 138
页数:5
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