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- Dictionaryga·lac·tose/ɡəˈlakˌtōs/
noun
- 1. a sugar of the hexose class which is a constituent of lactose and many polysaccharides.
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noun
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Galactose ( galacto- + -ose, "milk sugar"), sometimes abbreviated Gal, is a monosaccharide sugar that is about as sweet as glucose, and about 65% as sweet as sucrose. It is an aldohexose and a C-4 epimer of glucose. A galactose molecule linked with a glucose molecule forms a lactose molecule. Galactan is a polymeric form of galactose found in hemicellulose, and forming the core of the galactans, a... Wikipedia