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Ethanol intake may modify gossypol toxicosis in the rat
B T Akingbemi1, P V Rao, T A Aire
1Department of Preclinical Veterinary Studies, University of Zimbabwe, Mount Pleasant, Harare, Zimbabwe.
Journal of Applied Toxicology : JAT
|September 1, 1996
Summary
Gossypol toxicity in rats was reduced by adequate protein intake and ethanol consumption. These factors likely enhance gossypol metabolism or clearance, mitigating adverse effects observed in protein-malnourished rats.
Area of Science:
- Toxicology
- Biochemistry
- Animal Models
Background:
- Gossypol, a toxic compound found in cottonseed, poses health risks.
- Understanding factors that modulate gossypol toxicity is crucial for safety assessments.
Purpose of the Study:
- To investigate the impact of protein malnutrition and ethanol consumption on gossypol toxicity in Sprague-Dawley rats.
- To elucidate potential protective mechanisms against gossypol-induced organ damage.
Main Methods:
- Rats were administered gossypol, with or without ethanol, under normal or protein-malnourished dietary conditions.
- Evaluated serum creatine phosphokinase and cortisol levels.
- Conducted histopathological examination of liver, heart, kidneys, spleen, and thymus.
Main Results:
- Gossypol treatment depressed serum creatine phosphokinase and cortisol levels, enlarged adrenal glands.
- Protein malnutrition exacerbated gossypol-induced liver, cardiac, renal, spleen, and thymus damage.
- Ethanol and adequate protein appeared to reduce gossypol toxicity.
Conclusions:
- Adequate dietary protein and ethanol consumption may mitigate gossypol toxicity.
- These factors likely reduce gossypol bioavailability through enhanced metabolism or clearance.
- Further research into metabolic pathways in ethanol-fed individuals is warranted.