DETERMINATION OF OCHRATOXIN A IN HUMAN MILK
1988 Volume 1988 Issue 1Supplement Pages 61-62
Details
1988 Volume 1988 Issue 1Supplement Pages 61-62
Human milk samples were investigated for the presence of ochratoxin A residues The analytical method involves homogenization of the milk at pH1.6, followed by solvent extraction and a base clean up step. Final analysis of ochratosxin A is achieved using HPLC-fluorescence detection. The detection limit is 0.1 ng/ml and the average recovery rate was found to be 83.1 %. An enzyme immunoassay and chemical ionization mass spectrometry were used as confirmatory tests. Of the 36 samples analyzed, 4 samples contained detectable levels of ochratoxin A. These results demonstrate that ochratoxin A is transmitted into human milk.
