Studies on Transglycosidation to Vitamin B6 by Microorganisms:II. Chemical Structure of Pyridoxine Glucoside

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概要

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• The definite structure of pyridoxine glucoside which was isolated from the reaction mixture of the intact cells of Sarcina lutea was investigated.The enzymatic analysis which involved the hydrolysis by yeast α-glucosidase and Aspergillus β-glucosidase, and the oxidation by yeast pyridoxine dehydrogenase were attempted. It was observed that pyridoxine glucoside was slowly hydrolyzed by α-glucosidase and oxidized by pyridoxine dehydrogenase. The spectral change in saturated boric acid solution was also recognized. From these data, the isolated pyridoxine glucoside was presumed to be pyridoxine 5′-α-glucoside involving a small amount of pyridoxine 4′-α-glucoside.The acetylation of pyridoxine glucoside was available for the isolation of pure preparation of its hexaacetate.Pyridoxine 5′-α-D-glucoside was chemically synthesized by the condensation of α4, 3-O-isopropylidene pyridoxine and 2, 3, 4, 6-tetra-O-benzyl-glucopyranosyl chloride. The synthetic product was identical with naturally occurring one, supporting its presumed structure.

• 日本ビタミン学会の論文

著者

• 谷 吉樹

  Department of Agricultural Chemistry, Kyoto University

• 内田 順博

  Department of Agricultural Chemistry, Kyoto University

• 栃倉 辰六郎

  Department of Agricultural Chemistry, Kyoto University

• 緒方 浩一

  Department of Agricultural Chemistry, Kyoto University

• 栗原 紀夫

  Department of Agricultural Chemistry, Kyoto University

関連論文

• Studies on Transglycosidation to Vitamin B6 by Microorganisms : VII. Transport of Pyridoxine Glucoside into Rabbit Erythrocytes
• Properties of Pyridoxine Glucoside
• Studies on Transglycosidation to Vitamin B6 by Microorganisms : III. Distribution of Activity of Pyridoxine Glucoside Formation in Microorganisms
• Studies on Transglycosidation to Vitamin B6 by Microorganisms:I. Formation of a New Vitamin B6 Derivative, Pyridoxine Glucoside, by Sarcina lutea
• Vitamin B6 biosynthesis and nucleoside effect in the resting cell system of Flavobacterium sp. 238-7.
• Studies on Transglycosidation to Vitamin B6 by Microorganisms:II. Chemical Structure of Pyridoxine Glucoside

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