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Related Experiment Videos

Safety evaluation of benzophenone.

G A Burdock1, D H Pence, R A Ford

  • 1Flavor and Extract Manufacturers' Association, Washington, DC 20006.

Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association
|November 1, 1991
PubMed
Summary

Benzophenone administration in rats showed treatment-related changes in blood and liver at higher doses. A no-effect level was established, indicating a significant safety margin for human consumption.

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Area of Science:

  • Toxicology
  • Pharmacology
  • Animal Studies

Background:

  • Benzophenone (CAS No. 119-61-9) is a chemical compound with various industrial applications.
  • Understanding its toxicological profile is crucial for assessing human health risks.

Purpose of the Study:

  • To evaluate the toxicological effects of dietary Benzophenone in rats.
  • To determine a no-effect level (NOEL) for Benzophenone exposure.

Main Methods:

  • Rats were administered Benzophenone in their diet at doses of 20, 100, or 500 mg/kg/day for 28 or 90 days.
  • Body weights, food consumption, hematology, clinical chemistry, urinalysis, and histopathology were assessed.

Main Results:

  • Treatment-related changes in erythrocyte count, hemoglobin, hematocrit, bilirubin, total protein, and albumin were observed at mid- and high-dose levels.

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  • Hepatocellular enlargement and cytoplasmic changes were noted in the liver of treated rats.
  • A no-effect level was identified at 20 mg/kg/day for 90 days.

    • Conclusions:

    • Benzophenone exhibits dose-dependent toxicological effects in rats, primarily affecting the blood and liver.
    • A substantial safety margin exists for human consumption based on established no-effect levels and estimated daily intake.