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Studies to improve the extraction of mannitol and alginic acid fromMacrocystis pyrifera, a marine brown alga

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Abstract

Yields of mannitol and alginic acid from dry and freshMacrocystis pyrifera under different extraction conditions were characterized. Using seawater as the solvent for mannitol extraction, yields up to 98.5% of the total mannitol (12.4%) were obtained. A 4% Na2CO3 solution at 60°;C gave the highest yield of alginic acid (21.5%), but a 2% Na2CO3 extraction at room temperature (20.4%) was almost as effective. Thus crude mannitol and alginic acid can be obtained more economically than previously.

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Authors and Affiliations

  1. Department of Poultry Science, Cornell University, Ithaca, New York

    Hernan Mateus, Joe M. Regenstein & Robert C. Baker

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  1. Hernan Mateus
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  2. Joe M. Regenstein
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  3. Robert C. Baker
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Mateus, H., Regenstein, J.M. & Baker, R.C. Studies to improve the extraction of mannitol and alginic acid fromMacrocystis pyrifera, a marine brown alga. Econ Bot 31, 24–27 (1977). https://doi.org/10.1007/BF02860648

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  • DOI: https://doi.org/10.1007/BF02860648

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