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    Chemical characterization of exopolysaccharides from the marine fouling diatom Amphore coffeaeformis

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    Biofouling_10_301.pdf (484.8Kb)
    Date
    1996
    Author
    Bhosle, N.B.
    Sawant, S.S.
    Garg, A.
    Wagh, A.B.
    Evans, L.V.
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    Abstract
    Amphora coffeaeformis cells were grown in batch cultures under continuous illumination at 18 degrees C for 10 d. Algal cells were removed by centrifugation, lyophilized and used for the extraction of exopolysaccharides using either 0.05 M EDTA, 1 M NaOH or 1.5 M NaCl treatment removed most exopolysaccharides. Glucose (81%) was the most abundant monosaccharide in the exopolysaccharides. The chemical composition data suggest that the exopolymers were acidic sulphate polysaccharides containing high concentrations of pyruvate (22%) and uronic acids (18%). These polysaccharides may play an important role in metal complexation and protection from desiccation in A. coffeaeformis
    URI
    http://drs.nio.org/drs/handle/2264/2106
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