Fucose-containing glycolipids with H and B blood group activity as well as sialic acid and glucosamine-contaig glycolipid were isolated from human erythrocytes. The sequences and linkages of carbohydrate residues in these glycolipids were determined by partial acid hydrolysis, periodate oxidation and methylation studies. Anomeric linkage were ascribed to those materials on the basis of their optical rotations, infrared spectra, susceptibility to enzymes and immunological activities.

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