Abstract

The N-linked asialo carbohydrate, released by digestion treatment of the glycoprotein of the edible bird's nest of Collocalia fuciphaga, was identified as l-asparagine-linked fucose-containing triantennary oligosaccharide, composed of Galβ1→4GlcNAcβ1→4(Galβ1→4GlcNAcβ1→2)Manα1→3(Galβ1→4GlcNAcβ1→2Manα1→6)Manβ1→4GlcNAcβ1→4(Fucα1→6)GlcNAcβ1, on the basis of chemical and spectroscopic methods, in addition to GLC and HPLC analyses on achiral columns. Keywords: Collocalia fuciphaga; edible bird's nest; nest-cementing substance; pronase digestion; desialylation; N-linked fucose-containing triantennary oligosaccharide

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