| polyol | Polyhydroxy alcohol;a sugar that contains many -OH (-ol) groups, such as the sugar alcohols and inositols. Polyol dehydrogenases, oxidizing enzymes that catalyze the dehydrogenation of sugar alcohols to monosaccharides (in EC class 1.1), specifically l-iditol dehydrogenase and aldose reductase. (05 Mar 2000) |
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| polyol pathway | A pathway responsible for d-fructose formation from sorbitol; increases in activity as the glucose concentration rises in diabetes. Synonym: polyol pathway. (05 Mar 2000) |