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The Effect of Hydrogenation on the Nutritive Value of the Fatty Acid Fractions of Butter Fat and of Certain Vegetable Oils^*

Department of Biochemistry, University of Wisconsin, Madison, Wisconsin

ABSTRACT

Studies on the comparative nutritive value of butter fat and certain vegetable oils (1) showed that butter fat homogenized into raw skimmed milk with ample fat soluble vitamins and minerals added and fed ad libitum to weanling rats gave better growth than did corn oil, coconut oil, cottonseed oil, and soybean oil fed in a like manner. Further study disclosed that the factor (or factors) responsible for the superior growth of rats on butter fat milk did not lie in the non-saponifiable fraction of butter fat (1), nor did such compounds as egg lecithin, sphingomyelin, sphingosin, or ethanol amine have any effect on the nutritive value of the vegetable oils used in our experiments. Choline was also tried and showed slight growth promoting effects on the females (2). Later experiments (unpublished) have shown that the addition of choline (30 mg. per day) has had no growth promoting effect when added to butterfat or any of the vegetable oils fed in skimmed milk.

^* Published with the approval of the Director of the Wisconsin Agricultural Experiment Station.

This work was supported in part by grants from the Evaporated Milk Association, Chicago; National Dairy Council, Chicago; the Wisconsin Alumni Beseareh Foundation; and the Works Progress Administration.

This article has been cited by other articles:

				E. E. LOCKHART, H. SHERMAN, and R. S. HARRIS DIHYDROXY-STEARIC ACID AND VITAMIN K DEFICIENCY Science, December 11, 1942; 96(2502): 542 - 543. [PDF]