l-gulonolactone

The immediate precursor of ascorbic acid in those animals capable of ascorbic acid biosynthesis.

Synonym: dihydroascorbic acid, l-gulono-gamma-lactone.

L-gulonolactone oxidase, the enzyme catalyzing the conversion of l-gulonolactone and O2 to H2O2 and l-xylo-hexulonolactone, a precursor of ascorbic acid; absent in primates.

(05 Mar 2000)


Terms mentioned in text: immediate, precursor, ascorbic acid, animals, acid, biosynthesis, dihydroascorbic acid, l-gulono-gamma-lactone, l-gulonolactone oxidase, enzyme, conversion, precursor, ascorbic acid, absent, primates
Previous terms: l-glyceric aciduria, l-glycol dehydrogenase, l-gulonic acid, l-gulono-gamma-lactone
Next terms: l-gulonolactone oxidase, lh, lh2o, lh and rh agonist, lh assay