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The Ascorbic Acid Requirements of School-Age Girls¹

One Figure

Department of Home Economics, The University of Chicago, Illinois

The ascorbic acid requirements of thirty pre-adolescent girls between the ages of 6 and 12 years were studied. Blood concentrations and the urinary response to a test dose were determined on intakes ranging from 32 to 82 mg. of ascorbic acid. Blood levels of 0.7 mg. per 100 cc. and the excretion of 50% of a 300-mg. test dose in 24 hours were used as the criteria indicating a satisfactory state of nutrition in respect to vitamin C.

None of the children on intakes of 32 or 42 mg. of ascorbic acid, and only one on an intake of 52 mg. were receiving sufficient vitamin C to maintain these standards. Four-fifths of those receiving 62 mg. and all who received 72 mg. were saturated.

On the basis of this study 62 to 72 mg. of ascorbic acid would seem to be an adequate allowance for pre-adolescent girls of 6 to 12 years.

Manuscript received 11 May 1943.

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				H. V. SCHULZE and A. F. MORGAN RELATION OF ASCORBIC ACID TO EFFECTIVENESS OF IRON THERAPY IN CHILDREN Arch Pediatr Adolesc Med, June 1, 1946; 71(6): 593 - 600. [Abstract] [PDF]