, Volume 45, Issue 6, pp 786-791
Date: 09 Jan 2010

Seasonal variations of the composition and structural characteristics of polysaccharides from the brown alga Costaria costata

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Seasonal variations of the polysaccharide composition of the brown alga Costaria costata were studied. It was found that the alga synthesized in April-May a high-molecular-weight (200–800 kDa) low-sulfated heterofucan; in July, primarily a low-molecular-weight (20–300 kDa) sulfated and acetylated galactofucan. A small amount (<0.01% of total alga mass) of laminaran (1,3;1,6-β-D-glucan) was observed in mature alga.

Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 661–665, November–December, 2009.