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Evaluation of the developmental toxicity of diallyl phthalate administered orally to rats.

Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association (2008-04-01)
A M Saillenfait, F Gallissot, J P Sabaté
ABSTRACT

The objective of this study was to evaluate the developmental toxic potential of diallyl phthalate (DAP) in rats. Pregnant Sprague-Dawley rats were given DAP at doses of 0 (olive oil), 100, 150, 200, and 250mg/kg/day, by gavage (5ml/kg), on Gestational Days (GD) 6 through 20. Gross examination at necropsy revealed liver lesions in dams given 150mg/kg/day or higher doses. In addition, maternal weight gain and food consumption were significantly reduced at 200 and 250mg/kg/day. There was no significant increase in the incidence of resorptions, or malformations, at any dose. Fetal body weight was significantly reduced at 200 and 250mg/kg/day. There was a significant increase in the incidence of fetuses with skeletal variations at 250mg/kg/day. Retarded ossification of certain bones (i.e. forelimb and hindlimb phalanges, metatarsals, and caudal vertebrae) was also observed. There was no sign of developmental toxicity at 100 and 150mg/kg/day. Thus, DAP caused fetal toxicity at doses which also produced maternal effects, but no embryolethality or teratogenicity.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Diallyl phthalate, 97%
Supelco
Diallyl phthalate, analytical standard

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