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Journal of Dairy Science Vol. 56 No. 1 144-145
© 1973 by American Dairy Science Association ®
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Method for Extracting Fat from Dry Whole Milk

A. Kontson, A. Tamsma and F. E. Kurtz

Dairy Products Laboratory, Eastern Marketing and Nutrition Research Division, USDA, Washington, D.C. 20250

ABSTRACT

A method for extracting fat from dry whole milk is described in which the only solvent is methylene chloride. Fat is freed in the powder by preliminarily mixing with powdered ice cooled to — 30 C. A specially designed extraction apparatus is described. Average yields of 97% of the total fat are obtained with 4-hr extractions. Steam deodorizations of fat samples give distillates suitable for gas chromatographic and organoleptic examinations free from interferences encountered with alcohol-extracted fat.






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Copyright © 1973 by the American Dairy Science Association ®.