Comparative analysis of four kinds of polysaccharides purified from Furcellaria lumbricalis

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DOIResolve DOI: http://doi.org/10.1007/s11802-007-0016-7
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TypeArticle
Journal titleJournal of Ocean University of China
Volume16
Issue1
Pages1620; # of pages: 5
SubjectFurcellaria lumbricalis; sulfated galactan; carrageenan; floridean starch
AbstractFour kinds of polysaccharides (FA, FB, FC and FD) were extracted and purified from a red alga Furcellaria lumbricalis. Their monosaccharide composition, average molecular mass (Mw) and structural feature were determined by gas chromatography (GC), high performance gel permeation chromatography (HPGPC) and Fourier transform infrared spectroscopy (FTIR), respectively. The results showed that FA and FB were composed of galactose (Gal), 3,6-anhydro-galactose (AnG) and 4-sulfated-galactose (G4S), which were structurally similar to β-carrageenan and κ-carrageenan. FC was composed of sulfated galactose and small amount of AnG, indicating that it was a hybrid-sulfated galactan. FD was composed of α-1,4-glucose and belonged to floridean starch. The respective yields of FA, FB, FC and FD were 4.84%, 33.74%, 8.76% and 13.5%, and the corresponding Mw were 537 kD, 432 kD, 513 kD and 51 kD respectively. Owning to its high content (>60%) of polysaccharide, F. lumbricalis will be a good source of marine sulfated polysaccharide and shows its potential utilization in food and medicine.
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AffiliationNational Research Council Canada
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NPARC number8934237
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Record identifier87d96ea1-a259-4ea3-8f9e-e8f76e9886f1
Record created2009-04-23
Record modified2016-05-09
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