Galactose is a six-carbon monosaccharide. Isolated for the first time by Louis Pasteur in 1855 from milk, its structure was clarified thirty years later by Kiliani H. and Fischer E.[1] In 1860, Berthelot P.E.M. referred to it as lactic glucose or galactose, from the Greek galaktos, which means milk, followed by the suffix for sugars, … Continue reading Galactose: properties, sources, metabolism & galactosemia