Chemical Structure of .ALPHA.-D-Glucan in the Seed of Buckwheat (Fagopyrum esculentum).
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The polysaccharide composed of only D-glucose was extracted with cold water from the endosperm of buckwheat (Fagopyrum esculentum) and purified through a column of DEAESephadex A-50 (C1-form), It was revealed to be a phytoglycogen from the results of IR-analysis, methylation study, and enzymic hydrolysis. The weight average molecular weight of the polysaccharide was determined to be about 14, 800 by gel chromatography. β-Limit dextrin prepared from the polysaccharide was digested with pollulanase and then isoamylase. A ratio of maltose and maltotriose to higher oligosaccharides in the digest supported Meyer's model for the structure of this polysaccharide .
- 日本応用糖質科学会の論文
日本応用糖質科学会 | 論文
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