Synonym for fructosuria ... Excretion of fructose in the urine. ... Synonym: levulosuria. ... Origin: fructose + G. Ouron, urine ... Essential fructosuria, a benign, asymptomatic inborn error of metabolism due to deficiency of fructokinase, the first enzyme in the specific fructose pathway; fructose appears in the blood and urine, but is simply exc... Found on http://www.encyclo.co.uk/local/20973