Trisaccharide

Trisaccharides are a type of oligosaccharide that are composed of three monosaccharide units joined together by glycosidic linkage. They are a type of carbohydrate and are commonly found in a variety of foods and plants.

Structure

The structure of trisaccharides is determined by the type of monosaccharides that make up the molecule and the type of glycosidic linkage that joins them together. The most common types of monosaccharides found in trisaccharides are glucose, fructose, and galactose. The glycosidic linkage can be either alpha or beta, and this determines the shape and properties of the trisaccharide.

Types

There are many different types of trisaccharides, including:

• Raffinose - A trisaccharide composed of galactose, glucose, and fructose. It is commonly found in beans and other legumes.
• Maltotriose - A trisaccharide composed of three glucose units. It is a product of the enzymatic hydrolysis of starch.
• Gentianose - A trisaccharide composed of two glucose units and one fructose unit. It is found in the roots of the gentian plant.

Functions

Trisaccharides have a variety of functions in the body. They are a source of energy, as they can be broken down into their constituent monosaccharides and used in cellular respiration. They also play a role in cell signaling and immune response.

Health Effects

Some trisaccharides, such as raffinose, are not easily digested by the human body and can cause digestive issues such as bloating and flatulence. However, they can also have positive health effects. For example, they can act as prebiotics, promoting the growth of beneficial gut bacteria.

See Also

• Monosaccharide
• Disaccharide
• Polysaccharide

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