galactitol

galactitol
A sugar alcohol derived from galactose; g. accumulates in transferase deficiency galactosemia.

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ga·lac·ti·tol gə-'lak-tə-.tȯl n a white faintly sweet alcohol C6H14O6 that occurs in various plants esp. of the snapdragon family (Scrophulariaceae), is formed from galactose by reduction in some living tissues, and accumulates in urine and various tissues (as the lens of the eye) in individuals deficient in certain enzymes (as galactokinase) called also dulcitol

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ga·lac·ti·tol (gə-lakґtĭ-tol) the alcohol obtained on reduction of galactose, occurring naturally in manna and other plant products. Galactitol is formed in excess in the lens of the eye in galactosemia caused by deficiency of galactokinase; the result is cataracts in infancy.

Medical dictionary. 2011.

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