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Structural and molecular properties of the arabinogalactan isolated from Mongolian larchwood (Larix dahurica L.)

✍ Scribed by Pilžegijn Odonmažig; Anna Ebringerová; Eva Machová; Juraj Alföldi

Book ID
102990457
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
514 KB
Volume
252
Category
Article
ISSN
0008-6215

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✦ Synopsis

Arabinogalactans (AGs) are widely spread throughout the plant kingdom. They are most abundant in the genus Lartii, often covalently linked to pectin and protein2. In view of their physiological role as a dietary fiber as well as their peculiar solution properties, they represent an important class of polysaccharides. Recently, various biological activities were reported for AGs isolated mainly from medical plants3-*, and some also for larchwood AGs9. There are indications5s,'0 that some side chains, such as arabinosyl residues in particular, play a decisive role in the expression of the biological activity. Also, the solution behaviour of AGs may be influenced by the character of the side chains. All AGs isolated so far from Larix species are of the 3,6-p-D-galactan type 2. However, differences and discrep-* Corresponding author.

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