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Absorption of vitamin C from the human buccal cavity

Published online by Cambridge University Press:  09 March 2007

F. Sadoogh-Abasian  and
D. F. Evered
F. Sadoogh-Abasian
Affiliation:
Department of Biochemistry, Chelsea College (University of London), Manresa Road, LondonSW3 6LX
D. F. Evered
Affiliation:
Department of Biochemistry, Chelsea College (University of London), Manresa Road, LondonSW3 6LX
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Abstract

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1. Ascorbic acid was absorbed across the mucosa of the human mounth.

2. Omission of sodium ions from the medium decreased the absorption of ascorbic acid.

3. The presence of D-glucose, or 3-O-methyl-D-glucose, incrased the absorption of ascorbic acid but D-fructose had little effect and D-mannitol had no effect.

4. Calcium ions also increased ascorbic acid absorption probably by a secondary effect on Na+ fluxes.

5. Buccal mucosa was also premeable to dehydroascorbic acid and D-isoascorbic. acid

Type
Papers of direct relevance to Clinical and Human Nutrition
Information
British Journal of Nutrition , Volume 42 , Issue 1 , July 1979 , pp. 15 - 20
Copyright
Copyright © The Nutrition Society 1979

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