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Journal of Dairy Science Vol. 65 No. 2 182-185
© 1982 by American Dairy Science Association ®
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Rapid Determination of Volatile N-Nitrosamines in Nonfat Dry Milk

Donald C. Havery, Joseph H. Hotchkiss1 and Thomas Fazio

Food and Drug Administration, Washington, DC 20204

ABSTRACT

A rapid gas chromatographic-thermal energy analysis method was developed for determination of volatile nitrosamines in nonfat dry milk. The average recovery of nitrosodimethylamine added to nonfat dry milk at 3 ppb was 96%. In a nationwide survey of nonfat dry milk, nitrosodimethylamine was found in 48 of 57 samples from .1 to 3.7 ppb, and at an average .6 ppb. Apparent nitrosopyrrolidine and nitrosopiperidine averaged approximately .1 ppb, the detection limit of the method.

FOOTNOTES

1 Department of Food Science, Cornell University, Ithaca, NY 14853.






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Copyright © 1982 by the American Dairy Science Association ®.