Disaccharides

Information on sucrose, lactose and maltose, with structure, bonding, properties and uses.

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Disaccharides
Structure Bonding Properties Uses Diagram
Sucrose A molecule of glu- Condensation White, odourless As a sweetener in
cose and a molecule reaction, forming powder, sweet. cakes, confection-
of fructose chemi- glycosidic bonds Soluble in water. ary, chocolate etc.
cally combined
Lactose A molecule of glu- As above. White odourless Fermentation sub-
cose and a molecule powder, slightly strate in dairy
of galactose sweet. products for lactic
acid bacteria.
Maltose Two molecules of As above. Easy to digest. Used in infant for-
glucose chemically mulas and in beer
combined production.

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