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Structure of the neutral carbohydrate side-chains in anti-complementary acidic polysaccharides from the root of Angelica acutiloba kitagawa

✍ Scribed by Hiroaki Kiyohara; Haruki Yamada

Publisher: Elsevier Science
Year: 1989
Tongue: English
Weight: 546 KB
Volume: 187
Category: Article
ISSN: 0008-6215
DOI: 10.1016/0008-6215(89)80007-2

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✦ Synopsis

The endo-a-(1--3-4)-polygalacturonase-resistant regions (PG-la-1c) from three anti-complementary acidic polysaccharides (AR-211a-He), isolated from the root of Angelica acutiloba Kitagawa, were subjected to base-catalysed ,S-elimination in the presence of sodium borodeuteride . Each PG-l gave a neutral (N) and an acidic fraction (A), but each fraction A was resistant to further 1/33-elimination . Each fraction N consisted of Ara, Gal, and Rha, whereas each fraction A contained a large proportion of GaIA and small proportions of neutral sugars . Methylation and g .l .c.-m .s .

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