32. Structural studies of dextrans. Part I. A dextran containing α-1,3-glucosidic linkages

I. J. Goldstein; W. J. Whelan

doi:10.1039/JR9620000170

32. Structural studies of dextrans. Part I. A dextran containing α-1,3-glucosidic linkages

I. J. Goldstein, W. J. Whelan

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Abstract

A dextran (NRRL 1356-S) produced by a strain of Leuconostoc mesenteroides has been fragmented by acetolysis and separated into glucose (21%), isomaltose (2%), nigerose (20%), and 3-α-isomaltosylglucose (2%). The yield of nigerose was much greater than could be obtained by aqueous acid hydrolysis of the dextran. The structure of the trisaccharide proves that α-1,3- and α-1,6-bonds occur together in the same dextran molecule. The nature of the fragments obtained from the periodate-oxidized dextran indicated that few of the 1,3-linkages in the polysaccharide are contiguous.

Original language	English (US)
Pages (from-to)	170-175
Number of pages	6
Journal	Journal of the Chemical Society (Resumed)
DOIs	https://doi.org/10.1039/JR9620000170
State	Published - Jan 1 1962
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)

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10.1039/JR9620000170

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abstract = "A dextran (NRRL 1356-S) produced by a strain of Leuconostoc mesenteroides has been fragmented by acetolysis and separated into glucose (21%), isomaltose (2%), nigerose (20%), and 3-α-isomaltosylglucose (2%). The yield of nigerose was much greater than could be obtained by aqueous acid hydrolysis of the dextran. The structure of the trisaccharide proves that α-1,3- and α-1,6-bonds occur together in the same dextran molecule. The nature of the fragments obtained from the periodate-oxidized dextran indicated that few of the 1,3-linkages in the polysaccharide are contiguous.",

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