Complete 1H and 13C NMR assignment of digeneaside, a low-molecular-mass carbohydrate produced by red seaweeds

被引：38
作者：
Ascêncio, SD [1 ]
Orsato, A [1 ]
França, RA [1 ]
Duarte, MER [1 ]
Noseda, MD [1 ]
机构：
[1] Univ Fed Parana, Dept Bioquim & Biol Mol, BR-81531990 Curitiba, Parana, Brazil
来源：
CARBOHYDRATE RESEARCH | 2006年 / 341卷 / 05期
关键词：
digeneaside; Bostryhia binderii; low-molecular-mass carbohydrates; NMR; ESIMS; HPLC;
D O I：
10.1016/j.carres.2006.01.002
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Digeneaside (alpha-D-mannopyranosyl-(1 -> 2)-D-glycerate) was extracted from the red algae, Bostrychia binderii, and purified by adsorption and gel-filtration chromatography. HPLC and ESIMS techniques were used to follow purification steps and characterize digeneaside. NMR spectroscopy experiments (1D H-1, C-13, DEPT and 2D HMQC, COSY and TOCSY) were used to fully assign the H-1 and C-13 spectra. (c) 2006 Elsevier Ltd. All rights reserved.
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收藏
页码：677 / 682
页数：6
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