A competitive enzyme immunoassay for screening and quantitative analysis of 19-Nortestosterone in various matrices.

The anabolic steroid 19-Nortestosterone is one of the most frequently found growth promoters.

Abuse of this substance in cattle can lead to residues in food for human consumption.

The EuroProxima 19-Nortestosterone ELISA is a competitive enzyme immunoassay that is validated for screening of several food matrices.