3d image of lactose skeletal formula

lactose disaccharide sugar galactose glucose subunit milk food industry milk lactobiose galactopyranosyl-d-glucose glycosidic linkage dairy cheese infant nutrition sports yogurt lactase enzyme mammals gut flora small intestine dietary fiber fermented metabolite metabolism biosynthesis mechanism biosynthetic intermediate biogenesis synthesis derivative metabolic endogenous contractor food additive adjuvants ingredient agent molecule molecular formula skeletal structural structure 3d