Carbohydrates of Ecklonia radiata

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IN connexion with our work on the chemistry of cellulose and related carbohydrates, it was found desirable to investigate certain properties of algal polysaccharides. In seeking a source of these materials we noted that Australian species of brown algæ appear to have received little chemical study, although the carbohydrates of Ecklonia maxima, Laminaria pallida and Bifurcaria brassicaeformis of South Africa have been investigated1. The northern hemisphere species, especially of the genus Laminaria, have been studied in considerable detail2,3: large seasonal variations occur in the contents of laminarin (0–30 per cent), alginic acid (10–30 per cent) and mannitol (0–30 per cent); the fucoidin content is low and less variable3,4

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    Von Holdt, M. M., Ligthelm, S. P., and Nunn, J. R., J. Sci. Food Agric., 6, 193 (1955).

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    Black, W. A. P., J. Mar. Biol. Assoc. U.K., 29, 45, 379 (1950).

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    Mori, T., “Advances in Carbohydrate Chemistry”, 8, 315 (1953). (Review).

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    Black, W. A. P., J. Soc. Chem. Indust., 67, 165 (1948).

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    Black, W. A. P., Cornhill, W. J., Dewar, E. T., and Woodward, F. N., J. App. Chem., 1, 505 (1951).

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    Cameron, M. C., Ross, A. G., and Percival, E. G. V., J. Soc. Chem. Indust., 67, 161 (1948).

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STEWART, C., HIGGINS, H. Carbohydrates of Ecklonia radiata . Nature 187, 511 (1960) doi:10.1038/187511a0

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