Agricultural and Biological Chemistry
Online ISSN : 1881-1280
Print ISSN : 0002-1369
Formation of Three New Trisaccharide-azoxyglycosides by Transglucosylation by Cycad β-Glucosidase
Fumio YAGIKenjiro TADERAAkira KOBAYASHI
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1985 Volume 49 Issue 10 Pages 2985-2990

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Abstract

Three new trisaccharide-azoxyglycosides were formed from some azoxyglycosides by transglucosylation by a β-D-glucosidase from cycad seeds. These azoxyglycosides, named neocycasin H, I, and J, were identified as O-β-D-glucopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→3)-O-β-D-glucopyranoside of methylazoxymethanol (MAM), O-β-D-glucopyranosyl-(1→3)-[O-β-D-glucopyranosyl-(1→6)]-O-β-D-glucopyranoside of MAM, and O-β-D-glucopyranosyl-(1→3)-[O-β-D-xylopyranosyl-(1→6)]-O-β-D-glucopyranoside of MAM, respectively. On the basis of their structures, the mechanism of the formation of these neocycasins is also discussed.

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© Japan Society for Bioscience, Biotechnology, and Agrochemistry
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