Definition of galactose in English:
galactose
noun ɡəˈlaktəʊsɡəˈlaktəʊzɡəˈlæktoʊs
mass nounChemistry A sugar of the hexose class which is a constituent of lactose and many polysaccharides.
Example sentencesExamples
- Its molecule is split in fermentation or digestion to yield the simple monosaccharide sugars dextrose and galactose.
- The enzyme lactase breaks down the lactose to galactose and glucose.
- The main symptom of this disease, which is treatable by the complete removal of lactose and galactose from the diet, is early onset cataracts.
- The enzyme splits and hydrolyzes dietary lactose into glucose and galactose for transport across the cell membrane.
- The sugars glucose, galactose, and fructose all have six carbon atoms, twelve hydrogen atoms, and six oxygen atoms.
Origin
Mid 19th century: from Greek gala, galaktos 'milk' + -ose2.