Journal of Nutrition

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Journal of Nutrition Vol. 27 No. 1 January 1944, pp. 107-121
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Studies of the Comparative Nutritive Value of Fats

I. Growth Rate and Efficiency of Conversion of Various Diets to Tissue1

Five Figures

Harry J. Deuel, Jr., Eli Movitt, Lois F. Hallman, Fred Mattson and Evelyn Brown

Department of Biochemistry and Nutrition, University of Southern California School of Medicine, Los Angeles

No differences in the growth of weanling rats were noted at any time over a 12-week period when they were fed minerized skimmed milk powder, vitamin supplements and butter as compared with corn, cottonseed, olive, peanut or soybean oils or margarine. The extent of growth was confirmed at 3 and 6 weeks by x-ray determinations of tibia length. Also, the efficiencies of conversion of these various fats to body tissue were identical. These experiments refute the idea that butter fat possesses certain saturated fatty acids, not present in other fats, which are essential for growth.

1 This work was carried out under a research grant from The Best Foods, Inc. The authors wish to acknowledge the helpful advice of Prof. Anton J. Carlson of University of Chicago, of Prof. Arthur W. Thomas of Columbia University and of Dr. H. W. Vahlteich of The Best Foods, Inc. during the course of the experiments.

Manuscript received 4 August 1943.




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