Table 3 Concentrations and recoveries of MP and EP in urine of rats that received oral doses of MP and EP.

From: The estrogenicity of methylparaben and ethylparaben at doses close to the acceptable daily intake in immature Sprague-Dawley rats

Chemicals

Doses (mg/kg/day)

Urinary concentration (ng/mL)

Recovery (%)a

Control

0

MP (2.75 ± 2.95)/EP (ND)

–

MP

0.8

491 ± 73.0

5.10 ± 0.76

4

2750 ± 89.1

5.57 ± 0.48

20

17,635 ± 5592

7.19 ± 2.18

EP

0.8

376 ± 67.1

3.92 ± 0.84

4

2051 ± 1098

4.10 ± 2.20

20

11,906 ± 5584

4.79 ± 2.18

  1. aPercentage of doses recovered in urine.
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