Further studies on the structure of polysaccharides from the lichen Flavoparmelia caperata (L.) Hale

Tadahiro Takeda, Noriko Shimizu, Sachiko Watanabe, Yoshikuni Edagawa, Yoshihisa Ito, Takao Narui, Shoji Shibata

研究成果: Article

7 引用 (Scopus)

抄録

A water-soluble polysaccharide called PC-2 was previously isolated from Flavoparmelia caperata (L.) Hale and assigned to α(1-3)(1-4)glucan. However, PC-2 separated into three components, PC-2A, PC-2B, and PC-2C (a single peak in HPLC, respectively) on further purification. Methylation analysis and 1H- and 13C-NMR spectroscopic studies suggested that PC-2A is composed of repeating units of [α-D-Glc1-3]3, : [α-D-Glc1-4]2, while PC-2B and PC-2C are partly branched galactoglucomannans consisting of (1-3)- and (1-4)-linked α-D- glucopyranosyl units as the main chain. In addition we confirmed that the polysaccharide fraction PB-2 from the lichen of the same genus, Flavoparmelia baltimorensis (Gyelnik & Foriss) Hale, is identical to PC-2 based on the chemical and spectroscopic data.

元の言語English
ページ(範囲)1436-1438
ページ数3
ジャーナルChemical and Pharmaceutical Bulletin
51
発行部数12
DOI
出版物ステータスPublished - 2003 12
外部発表Yes

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Lichens
Polysaccharides
Methylation
Purification
High Pressure Liquid Chromatography
Nuclear magnetic resonance
Water
(1-3)-(1-4)-glucan
Proton Magnetic Resonance Spectroscopy
Carbon-13 Magnetic Resonance Spectroscopy

ASJC Scopus subject areas

  • Drug Discovery
  • Organic Chemistry
  • Chemistry(all)
  • Pharmacology

これを引用

Further studies on the structure of polysaccharides from the lichen Flavoparmelia caperata (L.) Hale. / Takeda, Tadahiro; Shimizu, Noriko; Watanabe, Sachiko; Edagawa, Yoshikuni; Ito, Yoshihisa; Narui, Takao; Shibata, Shoji.

:: Chemical and Pharmaceutical Bulletin, 巻 51, 番号 12, 12.2003, p. 1436-1438.

研究成果: Article

Takeda, Tadahiro ; Shimizu, Noriko ; Watanabe, Sachiko ; Edagawa, Yoshikuni ; Ito, Yoshihisa ; Narui, Takao ; Shibata, Shoji. / Further studies on the structure of polysaccharides from the lichen Flavoparmelia caperata (L.) Hale. :: Chemical and Pharmaceutical Bulletin. 2003 ; 巻 51, 番号 12. pp. 1436-1438.
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