Reduction of 5-Keto-D-gluconic Acid to L-Idonic Acid byFusariumspecies
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Synthesis of l-(+)-Tartaric Acid from l-Ascorbic Acid via 5-Keto-d-Gluconic Acid in Grapes.
5-Keto-l-idionic acid ( identical with5-keto-d-gluconic acid, d-xylo-5-hexulosonic acid) was found as a metabolic product of l-ascorbic acid in slices of immature grapes, Vitis labrusca L. cv ;Delaware'. Specifically labeled compounds, recognized as metabolic products of l-ascorbic acid in grapes, were fed to young grape tissues to investigate the metabolic pathway from l-ascorbic acid to l-(+)...
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Alginase, partially purified from cell-free extracts of an Enzyme Purifiation adapted Pseudomonas, has been shown to metabolize alginic All operations were carried out in a cold room at O-3”. The acid with the resultant accumulation of the monosaccharide, preparation of the crude extract of alginic acid-grown Pseudo4-deoxy-r,-erythro-5-hexoseulose uranic acid (ketodeoxygluconalmmae has been des...
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For some years evidence that 2-keto-D-gluconic acid is implicated in a number of biochemical systems, notably in Acetobacter species (Bernhauer & Gorlich, 1935; Kulka & Walker, 1954) and in Pseudomonas species (Lockwood, Tabenkin & Ward, 1941; Norris & Campbell, 1949) has been accumulating. Studies by Warburg & Christian (1937) with red blood cells, by Lipmann (1936) with yeast macerate prepara...
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The production of ketogluconic acids from glucose by fermentation methods has been of particular interest to this Bureau as a means of extending the industrial utilization of agricultural products. Our investigations have led to the development of a rapid and efficient process for the production of 5-ketogluconic acid from glucose by Acetobacter suboxydans, as heretofore reported (Stubbs et al....
متن کاملOverexpression of membrane-bound gluconate-2-dehydrogenase to enhance the production of 2-keto-d-gluconic acid by Gluconobacter oxydans
BACKGROUND 2-keto-D-gluconic acid (2KGA) is widely used as a chemical intermediate in the cosmetic, pharmaceutical and environmental industries. Several microbial fermentation processes have been developed for production of 2KGA but these suffer from substrate/product inhibition, byproduct formation and low productivity. In previous work, we showed that 2KGA can be specifically produced from gl...
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ژورنال
عنوان ژورنال: Agricultural and Biological Chemistry
سال: 1962
ISSN: 0002-1369
DOI: 10.1080/00021369.1962.10858035