A competitive enzyme immunoassay for screening and quantitative analysis of ractopamine in various matrices.

Ractopamine is a growth promoter, its use is forbidden in EU countries. A recommended concentration (RC) has been published by the European Union Reference Laboratories of 1 ng/ml in urine.

In addition to the use in urine, the EuroProxima Ractopamine ELISA is validated for a variety of other food matrices.