Structural Studies on k-Carrageenan Derived Oligosaccharides

Authors
Yu, G.
Guan, H.
Ioanoviciu, A.S.
Sikkander, S.A.
Thanawiroon, C.
Tobacman, J.K.
Toida, T.
Linhardt, Robert J.
ORCID
https://orcid.org/0000-0003-2219-5833
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Other Contributors
Issue Date
2002
Keywords
Biology , Chemistry and chemical biology , Chemical and biological engineering , Biomedical engineering
Degree
Terms of Use
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Full Citation
Structural Studies on k-Carrageenan Derived Oligosaccharides, G. Yu, H. Guan, A.S. Ioanoviciu, S.A. Sikkander, C. Thanawiroon, J. K.Tobacman, T. Toida, R. J. Linhardt. Carbohydrate Research, 337, 433-440, 2002.
Abstract
Oligosaccharides were prepared through mild hydrochloric acid hydrolysis of kappa-carrageenan from Kappaphycus striatum carrageenan. Three oligosaccharides were purified by strong-anion exchange high-performance chromatography. Their structure was elucidated using mass spectral and NMR data. Negative-ion electrospray ionization (ESI) mass spectra at different fragmentor voltages provided the molecular weight of the compounds and unraveled the fragmentation pattern of the kappa-carrageenan oligosaccharides. 2D NMR techniques, including 1H-(1)H COSY, 1H-(1)H TOCSY and 13C-(1)H HMQC, were performed to determine the structure of a trisulfated pentasaccharide. 1D NMR and ESIMS were used to determine the structures of a kappa-carrageenan-derived pentasaccharide, heptasaccharide, and an undecasaccharide. All the oligosaccharides characterized have a 4-O-sulfo-D-galactopyranose residue at both the reducing and nonreducing ends.
Description
Carbohydrate Research, 337, 433-440
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Department
The Linhardt Research Labs.
The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS)
Publisher
Relationships
The Linhardt Research Labs Online Collection
Rensselaer Polytechnic Institute, Troy, NY
https://harc.rpi.edu/
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https://login.libproxy.rpi.edu/login?url=https://doi.org/10.4236/aces.2014.41003