Journal
CARBOHYDRATE RESEARCH
Volume 358, Issue -, Pages 78-81Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carres.2012.06.015
Keywords
Fucoidan; Oligosaccharides; Autohydrolysis; MALDI-TOFMS; MS/MS
Funding
- RFBR [12-04-00669]
- FEB RAS
- Presidium of Russian Academy of Sciences
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Rapid mass spectrometric investigation of oligosaccharides, obtained by autohydrolysis of fucoidans from brown algae Silvetia babingtonii and Fucus evanescens (Fucales, Phaeophyceae) has shown both similarities and differences in structural features/sulfation pattern of their fragments, obtained in the same conditions. Tandem MALDI-TOF MS of fucooligosaccharides with even DP (degree of polymerization) was close to that observed for fucoidan from F. evanescens. Slight differences in tandem mass spectra of fragments with odd DP indicated, probably, sulfation at C-3 (instead of C-2 in F. evanescens) of some (1 -> 4)-linked alpha-L-Fucp residues and/or the presence of short blocks, built up of (1 -> 3)-linked alpha-L-Fucp residues. (C) 2012 Elsevier Ltd. All rights reserved.
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