Studies on the Non-Starchy Polysaccharides of the Endosperm of Naked Barley |
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Authors: | Osamu Igarashi |
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Institution: | Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo |
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Abstract: | The structure of F-4 β-glucan, a minor component of water soluble non-starchy polysaccharides from the endosperm of naked barley, was elucidated. Hydrolysate of the methylated F-4 β-glucan gave 2,3,6-tri-O-methyl-d-glucose and 2,4,6-tri-O-methyl-d-glucose as main components with small amounts of 2,3,4,6-tetra-O-methyl-d-glucose and unidentified di-O-methyl-d-glucose. This result indicated that the main chain of F-4 β-glucan consisted of 1,4- and 1,3-linked β-d-glucopyranose residues with proportions of approximately 2:1 (β-1,4 linkage to be predominant) with some branching. |
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