Arabinogalactan

Arabinogalactan is a biopolymer consisting of arabinose and galactose monosaccharides. It is a major component of many plant cell walls and is important in cell biology and metabolism. Arabinogalactans are found in many plants but are most commonly extracted from the larch tree.

Structure and Properties

Arabinogalactans are a class of polysaccharides that are characterized by their rich content of arabinose and galactose sugars. They are highly branched and have a complex structure. The exact structure can vary depending on the source of the arabinogalactan.

Biological Role

In plants, arabinogalactans are important components of the cell wall. They contribute to the structure and function of the cell wall, and play a role in plant growth and development. They are also involved in plant defense mechanisms.

In humans, arabinogalactans are considered dietary fiber and have been studied for their potential health benefits. They are thought to have prebiotic effects, promoting the growth of beneficial gut bacteria. They may also have immune-stimulating properties.

Extraction and Use

Arabinogalactans are most commonly extracted from the larch tree. The extracted arabinogalactan can be used in various applications, including as a food additive, in pharmaceuticals, and in cosmetics.

See Also

• Arabinose
• Galactose
• Polysaccharide
• Larch

References

Arabinogalactan Resources
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