Anti-complementary acidic polysaccharides from roots of Lithospermum euchromum
โ Scribed by Ji-Fu Zhao; Hiroaki Kiyohara; Tsukasa Matsumoto; Haruki Yamada
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 709 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0031-9422
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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 neut
Four pectic polysaccharides (AR-2IIa-IId) with anti-complementary activity have been isolated from a hot-water extract of the root of Angelica acutiloba Kitagawa. Each of these polysaccharides contained a large proportion of GalA together with neutral sugars consisting mainly of Rha, Ara, and Gal. D
Methylation analysis indicated that IN and IIN also contained high-molecular-weight 6-linked galactan and 4-linked glucan, and that IA and IIA consisted mainly of 2-linked Rha, 4-linked GalA, and terminal and 6-linked Gal. IIA contained more 2-linked Rha than IA. Endo-a-o-( l-\*4)-polygalacturonase