Determination of Gluconolactone, Galactonolactone, and Their Free Acids by Hydroxamate Method
About: This article is published in Analytical Chemistry.The article was published on 1959-08-01. It has received 81 citations till now. The article focuses on the topics: Gluconolactone.
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TL;DR: Gluconic acid is a mild organic acid derived from glucose by a simple oxidation reaction, the principal being sodium gluconate, which has wide applications in food and pharmaceutical industry.
Abstract: Summary Gluconic acid is a mild organic acid derived from glucose by a simple oxidation reaction. The reaction is facilitated by the enzyme glucose oxidase (fungi) and glucose dehydrogenase (bacteria such as Gluconobacter). Microbial production of gluconic acid is the preferred method and it dates back to several decades. The most studied and widely used fermentation process involves the fungus Aspergillus niger. Gluconic acid and its derivatives, the principal being sodium gluconate, have wide applications in food and pharmaceutical industry. This article gives a review of microbial gluconic acid production, its properties and applications.
490 citations
TL;DR: Polysaccharides isolated from slime-producing Pseudomonas organisms were found to contain mannuronic and guluronic acid only and closely resemble alginic acid, a seaweed polysaccharide, as shown by composition, infrared spectra, and alginase digestion.
286 citations
TL;DR: The results suggest that the engineered E. coli has a promising application for the industrial-scale production of D-xylonic acid.
112 citations
TL;DR: Solid-state fermentation was evaluated to produce gluconic acid by metal resistant Aspergillus niger (ARNU-4) strain using tea waste as solid support and with molasses based fermentation medium and different concentrations of additives viz. oil cake, soya oil, jaggary, yeast extract, cheese whey and mustard oil were supplemented for further enhancement of the production ability of microorganisms.
91 citations
TL;DR: An NAD(+)-dependent D-xylose dehydrogenase, XylB, from Caulobacter crescentus was expressed in Saccharomyces cerevisiae, resulting in production of D-Xylonate, and the aldose reductase encoding gene GRE3 was deleted to reduce xylitol production.
83 citations
Cites methods from "Determination of Gluconolactone, Ga..."
...Extracellular D-xylonic acid concentrations were also measured as the lactone using the hydroxymate method (Lien, 1959) as described by Toivari et al....
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...Extracellular D-xylonic acid concentrations were also measured as the lactone using the hydroxymate method (Lien, 1959) as described by Toivari et al. (2010)....
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TL;DR: The present method, which is designed for use with short chain 0-acyl derivatives, is based on the finding that hydroxylamine at an alkaline pH in water rapidly converts acetylcholine stoichiometrically to hydroxamic acid throughout a wide range of ester concentration.
1,824 citations
TL;DR: In this communication, a method is described which utilizes the reaction of acyl phosphates with hydroxylamine and the acyl part of the acid anhydride is converted into hydroxamic acid.
1,373 citations
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