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Utilization of Meat by Human Subjects¹

II. The Utilization of the Nitrogen and Phosphorus of Round and Liver of Beef

Kansas Agricultural Experiment Station, Manhattan

Three young women apparently used the nitrogen of round of beef fully as well as that from liver of beef, as indicated by almost identical coefficients of digestibility and a slightly more favorable nitrogen balance during the period round was eaten. The latter may be accounted for by a slightly higher intake.

The phosphorus balance was but little lower on round, although the diet during this period supplied less than two-thirds as much phosphorus. A higher percentage of the liver phosphorus may have been absorbed.

The collagen and elastin were higher in round than in liver, so apparently could not have affected seriously the utilization of the total nitrogen of this cut.

Manuscript received 7 January 1935.