Abstract
IN a series of papers published between 1921 and 1929, Haas and his collaborators1 showed that in the mucilage of carrageen moss (Ghondrus crispus)there are two main constituents one of which can be extracted from the seaweed by cold water, the other only by hot water. They further showed that both constituents are ethereal sulphates of polymeric carbohydrates, occurring chiefly in the form of their calcium salts; but all their attempts to isolate the polymeric carbohydrates by hydrolysis led only to the production of simple hexoses. Galactose and fructose were easily recognized by them among the products of hydrolysis.
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References
Haas and Hill, Ann. App. Biol., 7, 352 (1921); Haas, Biochem. J., 15, 469 (1921); Russell-Wells, Biochem. J., 16, 578 (1922); Haas and Russell-Wells, Biochem. J., 23, 425 (1929).
Hassid, J. Amer. Chem. Soc., 57, 2046 (1935).
Percival and Sym, NATURE, 137, 997 (1936).
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DILLON, T., O'COLLA, P. Acetolysis of Carrageen Mucilage. Nature 145, 749 (1940). https://doi.org/10.1038/145749a0
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DOI: https://doi.org/10.1038/145749a0
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