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Chromatographic procedures for isolating α,β-trahelose formed during the preparation of β,β-trehalose

✍ Scribed by Frederick W. Parrish; Michael M. Meagher; Peter J. Reilly

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
422 KB
Volume
168
Category
Article
ISSN
0008-6215

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✦ Synopsis

a&Trehalose (WD-glucopyranosyl /SD-glucopyranoside) was needed in order to co&m the identity of one of the reversion products of n-glucose catalyzed by glucoamylase, to determine the kinetics of its conversion into D-gh~0Se with glucoamylase, and to examine its separation from LX,* and /3,#Hrehalose, as well as from other disaccharides, by high-performance liquid chromatographylJ. Mother liquors from a Koenig+Knoa preparation of /&/Hrehalose octaaceta@P were available, and as these were known to contain c+-trehalose octaacctatej, it was decided to attempt the isolation of a,@trehalose from this source. The use of chromatographic procedures for the separation and analysis of the various trehalose forms facilitated the isolation of unequivocally pure +trehalose and the measurement of an accurate optical rotation and melting point for it.

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