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The Isolation of Furfuryl Alcohol from Heated Skimmilk

Ohio State University, Department of Dairy Technology

ABSTRACT

A method for removing and purifying the ethyl ether-soluble substances of heated skimmilk is presented. Using this method in combination with a vacuum distillation technique, it was possible to isolate furfuryl alcohol in a fairly high state of purity from heated skimmilk. Confirmatory evidence of the presence of furfuryl alcohol is given by the results of qualitative tests and the preparation of suitable derivatives. The control experiment demonstrated that furfuryl alcohol is a compound generated in milk by heat and is not a normal constituent of unheated milk.

Although the significance of furfuryl alcohol as an end product of the heat induced chemical reactions in skimmilk is not entirely evident at this time, the knowledge of its presence promises to be valuable in further clarifying the nature of browning and caramelized flavor development in milk and milk products.

¹ Present address: Department of Dairy Husbandry, The Pennsylvania State College, State College, Pa.