pyranose


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pyranose

[′pī·rə‚nōs]
(biochemistry)
A sugar whose cyclic or ring structure resembles that of pyran.
References in periodicals archive ?
3B) is assigned to the first overtone of the fundamental CH stretching vibrational mode and is due to the furanose or pyranose ring (invariable constituent of hemicellulose).
From the first come seven papers exploring conformational dynamics of oligosaccharides, structure and dynamics of carbohydrates using residual dipolar couplings, combined theoretical and NMR (nuclear magnetic resonance) experimental approach on carbohydrate-aromatic interactions and on pyranose ring distortion, laser photo chemically induced dynamic nuclear polarization technique as a tool for structural analysis of inter- and intramolecular protein-carbohydrate interactions, and hydroxy protons in structural studies of carbohydrates by NMR spectroscopy.
These aldo pyranose can readily react with alcohols in the presence of a mineral acid to form anomeric G and H glycosides.
In addition, chitosan has reactive amino groups on pyranose rings and becomes a cationic polymer upon the protonation of its amino groups.
first overtone Furanose or pyranose due to hemicellulose h 1920 nm OH str.
Electronegative substituents at the C-2 position of saturated heterocycles or at the anomeric carbon of a pyranose ring favor the equatorial position much less than expected; often the axial position is favored.
As the biocatalyst of choice, the researchers selected various pyranose oxidoreductases--fungal enzymes that oxidize a wide number of sugars specifically at the C-2 position.
Basically, ceric ion, a strong oxidizing agent, could oxidize pyranose ring of starch to produce free starch macro-radical ([Ce.
These results represent the role of the pyranose ring on the mechanism of action.