Skip to Main content Skip to Navigation
Journal articles

Production and characterization of new families of polyglucuronic acids from TEMPO–NaOCl oxidation of curdlan

Abstract : Curdlan from Agrobacterium sp. was oxidized using 2,2,6,6,-tetramethylpiperidine-1-oxyl radical (TEMPO)–NaBr–NaClO systems at pH 11. The effects of oxidation conditions on degrees of oxidation and polymerization of the products obtained were studied using SEC–MALLS, NMR and IR analyses. Different families of water-soluble β-(1,3)-polyglucuronic and β-(1,3)-polyglucoglucuronic acid sodium salts were quantitatively generated with a yield of 80% and without significant loss of their molecular weights. Given that β-(1,3)-polyglucuronic acids prepared from the regioselective oxidation of curdlan by the TEMPO–NaBr–NaClO systems regularly consist of the glucuronic acid repeating unit; they may open new biotechnological fields for the utilizations of water soluble forms of curdlan.
Document type :
Journal articles
Complete list of metadatas

https://hal-normandie-univ.archives-ouvertes.fr/hal-01866804
Contributor : Luc Picton <>
Submitted on : Monday, September 3, 2018 - 4:16:38 PM
Last modification on : Thursday, July 2, 2020 - 3:29:13 AM

Identifiers

Citation

C. Delattre, Laurent Rios, C. Laroche, N.H.T. Le, D. Lecerf, et al.. Production and characterization of new families of polyglucuronic acids from TEMPO–NaOCl oxidation of curdlan. International Journal of Biological Macromolecules, Elsevier, 2009, 45 (5), pp.458 - 462. ⟨10.1016/j.ijbiomac.2009.08.005⟩. ⟨hal-01866804⟩

Share

Metrics

Record views

101