Abstract
ALGINIC acid, the industrial importance of which is increasing, constitutes a large proportion of the dry weight of certain seaweeds. It is noteworthy among polysaccharides in that it appears to be built up entirely of d-mannuronic acid residues, although its resistance to hydrolysis is so great that no quantitative transformation to d-mannuronic acid has been achieved1. The results we have recently obtained from a study of the action of methyl alcoholic hydrogen chloride on the polysaccharide show that high yields of d-mannuronic acid are obtainable from alginic acid.
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References
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HIRST, E., JONES, J. & JONES, W. Structure of Alginic Acid. Nature 143, 857 (1939). https://doi.org/10.1038/143857a0
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DOI: https://doi.org/10.1038/143857a0
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