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Disaccharides

A Few Categories of Carbohydrates Include:

– Monosaccharides
– Polysaccharides
– Oligosaccharides

2 Main Types:

1.)  Reducing Disaccharides

–  Bonded by hydroxyl groups

2.)  Non-reducing Disaccharides

–  Bonded by anometric centers

Additional Information

When two monosaccharides are formed by a reaction called dehydration reaction – it causes glycosidic bond. Glycosidic bonds are also seen in polysaccharides

Bonding may create differences depending on bond placement or bond combination

This may lead to two glucose monosaccharides brought together causing a few different disaccharides.

Examples:

1.)  Sucrose: Glucose + Fructose  [Table Sugar]
2.)  Maltose: Glucose + Glucose
3.)  Lactose: Galactose + Glucose  [Milk Sugar]
4.)  Trehalose: Glucose + Glucose  [different combination than maltose]
5.)  Cellobiose: Glucose + Glucose  [again a different combination

**** In addition, there are many other less common types