Arsenic species in chicken breast: Temporal variations of metabolites, elimination kinetics, and residual concentrations

Chicken meat has the highest per capita consumption among all meat types in North America. The practice of feeding 3-nitro-4-hydroxyphenylarsonic acid (Roxarsone, Rox) to chickens lasted for over 60 years. However, the fate of Rox and arsenic metabolites remaining in chicken are poorly understood. Researchers aimed to determine the elimination of Rox and metabolites from chickens and quantify the remaining arsenic species in chicken meat, providing necessary information for meaningful exposure assessment.

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