منابع مشابه
Dissociation constants of D-galacturonic and D-glucuronic acid and their О-methyl derivatives
Dissociation constants (pK, 20°C) of D-galacturonic acid, D-glucuronic acid, their O-methyl derivatives, as well as of the corresponding 4,5-unsaturated substance have been determined by means of discontinuous Potentiometrie titration. The found pK values have been interpreted from the point of view of inductive and mesomeric effects, and nonbonding interactions. It is demonstrated that the eff...
متن کاملBiological synthesis of ascorbic acid: the conversion of derivatives of D-galacturonic acid into L-ascorbic acid by plant extracts.
Broquist, H. P., Kohler, A. R., Hutchison, D. J. & Burchenal, J. H. (1953). J. biol. Chem. 202, 59. Brown, E. G., Goodwin, T. W. & Pendlington, S. (1955). Biochem. J. 61, 37. Buchanan, J. M., Levenberg, B., Flaks, J. G. & Gladner, J. A. (1955). In Amino Acid Metabolism, p. 743. Ed. by McElroy, W. D. & Glass, B. Baltimore: Johns Hopkins Press. Fosse, M. R. (1914). C.R. Acad. Sci., Paris, 158, 10...
متن کاملMetabolism of D-glucuronic acid and D-galacturonic acid by Phaseolus aureus seedlings.
n-Glucuronic acid and its la&one are known to be converted to polysaccharides by plant tissues. Ripening strawberries have been shown to incorporate the intact carbon skeleton of D-ghcuronolactone into pectin (1). It has also been demonstrated that wheat plants and corn coleoptiles incorporate n-glucuronic acid and its lactone into the pentosyl moieties of pentosan with loss of carbon 6 (2,3). ...
متن کاملEngineering filamentous fungi for conversion of D-galacturonic acid to L-galactonic acid.
D-Galacturonic acid, the main monomer of pectin, is an attractive substrate for bioconversions, since pectin-rich biomass is abundantly available and pectin is easily hydrolyzed. l-Galactonic acid is an intermediate in the eukaryotic pathway for d-galacturonic acid catabolism, but extracellular accumulation of l-galactonic acid has not been reported. By deleting the gene encoding l-galactonic a...
متن کاملMetabolism of &lucuronic Acid and D-Galacturonic Acid by Phaseolus aureus Seedlings*
n-Glucuronic acid and its la&one are known to be converted to polysaccharides by plant tissues. Ripening strawberries have been shown to incorporate the intact carbon skeleton of D-ghcuronolactone into pectin (1). It has also been demonstrated that wheat plants and corn coleoptiles incorporate n-glucuronic acid and its lactone into the pentosyl moieties of pentosan with loss of carbon 6 (2,3). ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1935
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)75108-9