The Use of Multivariate Analysis To Compare Peroxisome Induction Data On Phthalate Esters in Rats

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Abstract
This paper contains statistical evaluations of the effect of 9 different plasticizers on rat hepatic peroxisome proliferation. There were 9 21-day feeding studies with one plasticizer in each study. The plasticizers are: di(2-ethylhexyl)phthalate (DEHP), butyl benzyl phthalate (BBP), 711 phthalate (711P), di(n-butyl)phthalate (DBP), di(undecyl)phthalate (DUP), di(isodecyl)phthalate (DIDP), di(isononyl)phthalate (DINP), 610 phthalate (610P), and di(ethylhexyl)adipate (DEHA). For each plasticizer, several dosage (as % of diet) groups, plus a negative control group (0%) and a reference control group (1.2% DEHP) were included. There were 5 males and 5 females, approximately 5 weeks old, per group per plasticizer, for a total of 470 animals.