Agricultural and Biological Chemistry
Online ISSN : 1881-1280
Print ISSN : 0002-1369
Studies on the Chemical Structure of Konjac Mannan
Part I. Isolation and Characterization of Oligosaccharides from the Partial Acid Hydrolyzate of the Mannan
Koji KATOKazuo MATSUDA
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1969 Volume 33 Issue 10 Pages 1446-1453

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Abstract

The electrophoretically homogeneous glucomannan isolated from konjac flour was composed of D-glucose and D-mannose residues in the approximate ratio of 1:1.6. Controlled acid hydrolysis gave 4-O-β-D-mannopyranosyl-D-mannose, 4-O-β-D-mannopyranosyl-D-glucose, 4-O-β-D-glucopyranosyl-D-glucose (cellobiose), 4-O-β-D-glucopyranosyl-D-mannose (epicellobiose), O-β-D-mannopyranosyl-(1→4)-O-β-D-mannopyranosyl-(1→4)-D-mannose, O-β-D-glucopyranosyl-(1→4)-O-β-D-mannopyranosyl-(1→4)-D-mannose, O-β-D-mannopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→4)-D-mannose and O-β-D-glucopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→4)-D-mannose.

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