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Further Purification and Structural Analysis of Calcium Spirulan from Spirulina platensis

1998; American Chemical Society; Volume: 61; Issue: 9 Linguagem: Inglês

10.1021/np980143n

1520-6025

Jung‐Bum Lee, Toshimitsu Hayashi, Kyoko Hayashi, Ushio Sankawa, Masaakira Maeda, Tadashi Nemoto, Hiroshi Nakanishi,

Algal biology and biofuel production

An antiviral sulfated polysaccharide, calcium spirulan (Ca-SP), isolated from Spirulina platensis, was subjected to further purification. Ca-SP was found to be composed of rhamnose, 3-O-methylrhamnose (acofriose), 2,3-di-O-methylrhamnose, 3-O-methylxylose, uronic acids, and sulfate. The backbone of Ca-SP consisted of 1,3-linked rhamnose and 1,2-linked 3-O-methylrhamnose units with some sulfate substitution at the 4-position. The polymer was terminated at the nonreducing end by 2,3-di-O-methylrhamnose and 3-O-methylxylose residues.