Abstract
The influences of PO2 of the incubating medium on glucose, 3-O-methylglucose and fructose transport by everted small intestine sacs in semistarved and rats fed ad libitum (controls) was investigated. Moreover fructose uptake and conversion to glucose by intestinal sacs was also studied. The results showed that intestinal sacs from semistarved rats transported larger amounts of glucose and 3-O-methylglucose and took up more fructose than controls, when PO2 of the incubating medium was 150 mm Hg. There was greater fructose conversion to glucose in the intestine of semistarved rats than in controls at all PO2's considered. The greater functional capacity of intestinal tissue of semistarved rats in comparison to controls has been related to larger O2 availability in their intestinal wall.
Published Version
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