The Relation of Ascorbic Acid Ingestion to Mineral Metabolism in Children

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Abstract
Calcium, phosphorus, magnesium and nitrogen retentions in children of preschool age have been studied in relation to ascorbic acid ingestions and retentions during periods when the children were receiving diets which included 1 quart, 3 cups and 1 pint of milk, respectively. The influence of two levels of orange juice ingestion, 60 cc. and 120 cc., also has been considered. Variation in vitamin D as an influencing factor was seemingly ruled out since each child received approximately 3000 U. S. P. units per day. Each child, furthermore, was given a 10-minute exposure to ultra violet light from a mercury quartz lamp and lived in a room equipped with corex glass windows. The time spent out of doors showed no correlation with the retentions. The findings indicate that within the limits of the study: