Mannans

Mannan with galactose side chain

Mannans

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Mannans structure

Mannans are a type of complex carbohydrate found in the cell walls of plants. They are composed of long chains of mannose sugar molecules linked together. Mannans play a crucial role in the structural integrity of plant cell walls and are also used by some plants as a storage form of energy.

Structure

Mannans are polysaccharides made up of β-1,4-linked mannose units. The chains can vary in length and branching patterns, leading to different types of mannans with varying properties. Some mannans may also contain other sugars such as glucose or galactose.

Function

In plants, mannans contribute to the strength and flexibility of cell walls, providing structural support to the plant. Mannans are also involved in processes such as cell adhesion and signaling. Additionally, some plants store energy in the form of mannans, which can be broken down and used when needed.

Types of Mannans

There are several types of mannans found in nature, including linear mannans, galactomannans, and glucomannans. Each type has unique properties and functions within the plant.

Sources

Mannans are commonly found in a variety of plant sources, including guar gum, konjac, and certain types of seeds and nuts. These sources are often used in food products, pharmaceuticals, and other industrial applications.

Applications

Due to their unique properties, mannans have a wide range of applications in various industries. They are used as thickeners, stabilizers, and emulsifiers in food products. Mannans also have potential health benefits, such as promoting gut health and supporting the immune system.