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The effects of short periods of fasting on the absorption of heavy metals

Published online by Cambridge University Press:  09 March 2007

J. Quarterman  and
Elaine Morrison
J. Quarterman
Affiliation:
Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen AB2 9SB
Elaine Morrison
Affiliation:
Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen AB2 9SB
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Abstract

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1. Rats were deprived of food for periods of from 0 to 40 h and then given 203Pb, 203Hg. 59Fe, 64Cu. 64Zn or 45Ca by stomach tube. The absorption and retention of these metals in tissues was measured 1 h and 2 d after dosing.

2. After 16–24 h of food deprivation between two and ten times more metal was retained than after 0–12 h.

3. The effects of length of fast on metal uptake by the intestinal mucosa were greatest in the duodenum.

4. Lactale production by duodenal mucosa was halved after 12 h of food deprivation but galactose absorption was little changed after a 40 h fast.

Type
Papers of direct reference to Clinical and Human Nutrition
Information
British Journal of Nutrition , Volume 46 , Issue 2 , September 1981 , pp. 277 - 287
Copyright
Copyright © The Nutrition Society 1981

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