Effects of clenbuterol on body stores of polychlorinated dibenzofurans (PCDF) and dibenzo-p-dioxins (PCDD) in rats (original) (raw)

Journal of animal science, 2002

Abstract

Polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF), persistent pollutants that accumulate in the food chain, pose a risk to humans through consumption of tainted livestock. Clenbuterol, a leanness-enhancing agent, was tested for usefulness in PCDD/F body store reduction through body fat reduction (the predominant site of accumulation). To mimic the situation of contaminated animals, rats were given feed with or without a mixture of PCDD/F (0.6 to 2.7 ng/congener per day) for 10 d, followed by 16 d of feed with or without dietary clenbuterol (2 mg/kg feed). Clenbuterol reduced body fat by 28% (P < 0.05), increased muscle mass by 25% (P < 0.02), and decreased liver mass by 7% (P < 0.02). Although the concentrations of most PCDD/F per gram of fat were slightly increased after clenbuterol treatment, the total amount of PCDD/F that remained in fat was reduced by approximately 30%. Muscle PCDD/F concentrations and total burden were decreased by clen...

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