BioMed Research International

Research Article

Rapid Determination of Ractopamine Residues in Edible Animal Products by Enzyme-Linked Immunosorbent Assay: Development and Investigation of Matrix Effects

Table 4

Analysis results of real food samples obtained by ELISA and comparison with validated results.
SampleELISA resultsa ( g/kg) ( )Validated resultsb ( g/kg)
Pig muscle1——
2——
3——
4——
5——
6
7 2.3
Pig liver1——
2——
3——
4 3.3
5 3.7
6 6.1
7 4.2
1——
2——
Pettitoes3——
4——
5——
6——
a, —, RAC concentration was less than LOD of the assay (0.2  g/kg ); b, Validated results was offered by Tianjin Entry-Exit Inspection and Quarantine Bureau; —, RAC concentration was less than LOD of the assay (1.0  g/kg).