Glucose acidic reversion

Analytical Properties (i-Cyclodextrin (cycloheptamylose) normal phase separation of positional isomers of substituted benzoic acids reverse phase separation of dansyl and napthyl amino acids, several aromatic drugs, steroids, alkaloids, metallocenes, binapthyl crown ethers, aromatics acids, aromatic amines, and aromatic sulfoxides this substrate has seven glucose units and has a relative molecular mass of 1135 the inside cavity has a diameter of 0.78 nm, and the substrate has a water solubility of 1.85 g/ml, although this can be increased by derivatization Reference 13-28... 

Isomaltose (164 mg.) has been obtained by carbon-Celite chromatography of a (neutralized) partial, acid hydrolyzate of 4 g. of rabbit-liver glycogen. In control experiments, D-glucose and maltose gave much less isomaltose by acid reversion. It was concluded that the isomaltose structure is an integral part of the glycogen molecule. ... 

When D-glucose is heated at 150° in the absence of a catalyst, the distribution of disaccharide isomers obtained is equivalent to that of acid reversion. The mutarotation of molten D-glucose and of D-glucose below its melting point have also been studied. 

Acid Reversion Products from D-Glucose, A. Thompson, Kimiko Anno, M. L. Wolfrom, and M. Inatome,/. Amer. Chem. Soc., 76, 1309-1311 (1954). 

A. B. Foster and D. Horton, Amino sugars and related compounds. II. Acid reversion of 2-acetamido-2-deoxy-D-glucose, J. Chem. Soc., (1958) 1890-1894. 

An organic 3-carbon acid that is a key intermediate in carbohydrate, fat, and protein metabolism. It can participate in several metabolic pathways in the E)ody. These pathways include (1) complete oxidation to water and carbon dioxide in the tricarboxylic acid (Krebs) cycle, (2) formation of fatty acid, (3) reversible conversion to lactic acid, (4) conversion to the amino acid alanine, and (5) formation of glucose by reversal of the enzymatic sequence which normally breafe down glucose. 

The catalysis of the oxidation of D-glucose by native and by recombinant glucose oxidase, mediated by one-electron redox co-substrates, has been monitored by cyclic voltammetry. A study on the effect of pH on the Pd-catalysed oxidation of D-glucose revealed that in acidic noedia the product, free D-gluconic acid, reversibly inhibits the oxidation process. ... 

This reaction can be reversed either by using the enzyme maltase as a catalyst or by heating with acid. Two molecules of glucose are farmed when this happens. 

D-fructose (4370 M"1) > D-galactose (276 M"1) > D-glucose (110 M"1). From these results, it was confirmed that the PMBV/PVA hydrogel was formed under biological conditions, and that the reversible properties of the hydrogel corresponded to the formation of a complex between the phenylboronic acid group in PMBV and the diol moiety in PVA. 

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