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. 1977 Jun 15;164(3):601-5.
doi: 10.1042/bj1640601.

Retained folates in the rat

P A Barford, R J Staff, J A Blair

Retained folates in the rat

P A Barford et al. Biochem J. .

Abstract

The retention of radioactivity after doses of 14C- and 3H-labelled folic acid is described. Radioactivity was retained in liver, kidney and gut of rats for some time after administration of the dose. The retained radioactivity could not be displaced by large doses of unlabelled folic acid or unlabelled 5-methyltetrahydrofolate. 14C- and 3H-labbelled folates showed similar chromatographic behaviour onion-exchange chromatography to 5-methyltetrahydrofolate, and on ion-exchange and gel-permeation chromatography to synthetic pteroylhepta-gamma-glutamate.

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