The vitamin A and carotenoid contents of human milk have been of interest for a number of years. Quantitative estimations of the vitamin A in breast milk were carried out as early as 1923 by Kennedy, Palmer and Schlutz.1 These investigators pointed out the superiority of human milk over cow's milk in vitamin A and also indicated the effect of a very poor diet on mother's milk. Macy and her associates reported, in addition to quantitative estimations of vitamin A,2 the differences between cow's milk and human milk,3 the variations in composition of milk among individual women4 and the effect of vitamin supplementation of the diet.5 Debré and Busson,6 using a biologic method, compared human milk and the various forms of cow's milk used in infant feeding in France.
Vitamin A is a stimulus for the formation of new cells and as such is
LESHER M, BRODY JK, MACY IG. XXVI. VITAMIN A AND CAROTENOID CONTENTS OF COLOSTRUM AND MATURE HUMAN MILK. Am J Dis Child. 1945;70(3):182–192. doi:10.1001/archpedi.1945.02020210049008
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