All-Vegetable Protein Mixtures for Human Feeding

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Abstract
Corn-based, simplified all-vegetable protein mixtures containing corn, sesame, cottonseed, torula yeast and green leaf meal were evaluated by amino acid analysis and by growth and feed efficiency studies using both rats and baby chicks. The data indicated that a combination designated as INCAP Vegetable Mixture 8, composed in per cent of lime-treated corn, 50; sesame flour, 35; cottonseed flour, 9; kikuyu leaf meal, 3; and torula yeast, 3, was palatable and gave good growth and efficiency of feed utilization in rat trials. Neither the addition of 0.45% of free lysine nor the substitution of skim milk for part of the corn improved the growth or feed efficiency of rats fed the mixture, although addition of lysine did improve growth and feed utilization of the mixture by chicks. When the mixture was diluted with cornstarch to feed rats at a 15% protein level, added lysine improved growth and feed efficiency. On the basis of the studies, INCAP Vegetable Mixture 8 was recommended for clinical feeding trials in children.