Disaccharides are a complex set of sugars, more complex then monosaccharides, but are still consider Carbohydrates
A few categories of carbohydrates include:


2 main types:

1.)  Reducing Disaccharides

  • Bonded by hydroxyl groups

2.)  Non-reducing Disaccharides

  • Bonded by anometric centers

When two mononsaccharides are formed by a reaction called dehydration reaction – 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 monosacchardies brought together causing a few different disaccharides



  • Sucrose: Glucose + Fructose  [Table Sugar]
  • Maltose: Glucose + Glucose
  • Lactose: Galactose + Glucose  [Milk Sugar]
  • Trehalose: Glucose + Glucose  [different combination than maltose]
  • Cellobiose: Glucose + Glucose  [again a different combination

In addition there are many other less common types

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