has role independent continuant lactose CHEBI:22460 CHEBI:22760 1-beta-D-Galactopyranosyl-4-D-glucopyranose 4-(beta-D-galactosido)-D-glucose D-lactose Laktobiose beta-D-galactopyranosyl-(1->4)-D-glucopyranose milk sugar (Gal)1 (Glc)1 CHEBI:613009 Galbeta1-4Glc CHEBI:27968 Milk sugar Laktose lactose CHEBI:28577 A glycosylglucose disaccharide, found most notably in milk, that consists of <small>D</small>-galactose and <small>D</small>-glucose fragments bonded through a β-1→4 glycosidic linkage. The glucose fragment can be in either the α- or β-pyranose form, whereas the galactose fragment can only have the β-pyranose form. CHEBI:25005 beta-D-Gal-(1->4)-D-Glc beta-D-galactopyranosyl-(1->4)-D-glucopyranose beta-D-Galp-(1->4)-D-Glcp CHEBI:10380 CHEBI:14497 4-O-beta-D-galactopyranosyl-D-glucose (+)-lactose CHEBI:10296 lactobiose Milchzucker beta-Gal1,4-Glc CHEBI:27755 Lac glycosylglucose human metabolite