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Nutr Metab. 1976;20(1):62-6.

Food intake, dietary supplements and survival time of scorbutic guinea pigs.


Manual presentation of a liquid scorbutogenic diet permitted a more complete characterisation of the terminal stages of scurvy in guinea pigs. A bioflavonoid preparation from orange peel, previously shown both to increase the tissue concentrations of ascorbic acid and to stimulate the growth of hypovitaminotic C guinea pigs, had no influence on the survival time of scorbutic guinea pigs. Tetrahydrofolic acid, reported to possess 40% of the activity of ascorbic acid in the protocollagen proline-hydroxylase system, also failed significantly to prolong the survival period. This latter finding could indicate that ascorbic acid has essential biochemical functions in addition to its involvement in the hydroxylation of proline and lysine.

[Indexed for MEDLINE]

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