1H NMR Evaluation of Polar and Nondeuterated Ionic Liquids for Selective Extraction of Cellulose and Xylan from Wheat Bran | Zendy

Kosuke Kuroda | Zendy; Haruhito Kunimura | Zendy; Yukinobu Fukaya | Zendy; Nobuhumi Nakamura | Zendy; Hiroyuki Ohno | Zendy

Open Access

¹H NMR Evaluation of Polar and Nondeuterated Ionic Liquids for Selective Extraction of Cellulose and Xylan from Wheat Bran

Author(s) -

Kosuke Kuroda,

Haruhito Kunimura,

Yukinobu Fukaya,

Nobuhumi Nakamura,

Hiroyuki Ohno

Publication year - 2014

Publication title -

acs sustainable chemistry and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.878

H-Index - 109

ISSN - 2168-0485

DOI - 10.1021/sc500407a

Subject(s) - xylan , bran , cellulose , ionic liquid , extraction (chemistry) , chemistry , nuclear magnetic resonance spectroscopy , polysaccharide , solvent , proton nmr , chromatography , organic chemistry , catalysis , raw material

Cellulose and xylan, extracted from wheat bran with polar ionic liquids (ILs), were quantified using 1H NMR spectroscopy. Both No-D NMR and solvent suppression techniques were applied to realize direct analysis of extracts in nondeuterated ILs. As models of extracts, mixtures of cellulose and xylan dissolved in ILs were measured with 1H NMR spectroscopy. There was a linear relation between mixing ratio and specific peak area of each polysaccharide. Extracts from bran in ILs were analyzed with the obtained calibration curve. This NMR analysis was confirmed to be applicable to three representative ILs used for extraction of polysaccharides. A relation between extracted amount and extraction conditions was obtained. © 2014 American Chemical Society.Embargo Period 12 month

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