ALL OF the studies which have been made to determine the ascorbic acid requirement of preschool age children produced similar results. Everson and Daniels1 observed that the retention of ascorbic acid paralleled the ingestion only up to about 7.5 mg. per kilogram of body weight for 3 boys, 39, 57 and 59 months of age. Hathaway and Meyer2 concluded that 31 mg. of ascorbic acid was the marginal level to insure tissue saturation and that utilization was relatively constant at levels of intake from 31 to 53 mg. per day, while Bessey and White3 reported that 80 per cent of the 93 children studied, who were between 5 and 13 years, maintained blood plasma levels indicative of liberal intake when they received 3 ounces (about 85.35 Gm.) of orange juice (45 mg. of abscorbic acid) per day. In accordance with these results, the National Research Council's4 recommended daily
TOMPKINS VL, SCOULAR FI. VITAMIN A, CAROTENE AND ASCORBIC ACID CONTENT OF NURSERY SCHOOL LUNCHES. Am J Dis Child. 1948;76(2):184–191. doi:10.1001/archpedi.1948.02030030193005
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