Abstract
The main component of the mucilage in the bulbs of Suisen ( Narcissus tazetta L., var. chinensis Roem) has been shown to be a glucomannan composed of D-glucose and D-mannose in the ratio of 2:3 and having a relatively low degree of branching. Acetolysis of the polysaccharide led to the isolation of β-(1→4)-β-(1→3)-linked oligosaccharides composed of D-mannose and/or D-glucose residues. The average chain length (c.1.) of the polysaccharide was determined by methylation analysis to be about 22.
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