Water-soluble polysaccharides of the red alga Laurencia pinnatifida. Part I. Constituent units
- 1 January 1968
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- p. 983-988
- https://doi.org/10.1039/j39680000983
Abstract
Water-soluble polysaccharides extracted from the alga Laurencia pinnatifida consist of a glucan and a galactan sulphate. The latter contains residues of D- and L-galactose, 6-O-methyl-D-galactose, 2-O-methyl-L-galactose, 3,6-anhydro-L-galactose, 3,6-anhydro-2-O-methyl-L-galactose, and sulphate. Other constituents are D-galacturonic acid and D-xylose but it is not yet known whether these are constituents of the galactan or of associated polysaccharides. Sulphate groups occur on C-6 of both L-galactose and 2-O-methyl-L-galactose, and on C-2 of D-galactose units.Keywords
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