NDLI: CHARACTERIZATION OF KEY PARAMETERS FOR BIOTECHNOLOGICAL LIGNOCELLULOSE CONVERSION ASSESSED BY FT-NIR SPECTROSCOPY. PART I: QUALITATIVE ANALYSIS OF PRETREATED STRAW

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CHARACTERIZATION OF KEY PARAMETERS FOR BIOTECHNOLOGICAL LIGNOCELLULOSE CONVERSION ASSESSED BY FT-NIR SPECTROSCOPY. PART I: QUALITATIVE ANALYSIS OF PRETREATED STRAW

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Chularat Krongtaew Kurt Messner Thomas Ters Karin Fackler
Abstract	Wheat straw (Triticum aestivum L.) and oat straw (Avena sativa L.) were subjected to acid and alkaline pre-treatments partly in combination with hydrogen peroxide. The aim was to remove lignin and increase the accessibility of the polysaccharides to enzymatic digestion. Accessibility was evaluated by digestion with a cell wall degrading enzyme complex to yield reducing sugars that may serve as precursor substrates for biofuels or building block chemicals. Changes in lignin, hemicelluloses, as well as amorphous, semi-crystalline, and crystalline regions of cellulose moieties of pretreated straw were efficiently characterized by Fourier transform near-infrared (FT-NIR) reflectance spectroscopy. These alterations of the chemical structure of straw after different pre-treatment methods were powerfully differentiated by principal component analysis (PCA). Characteristics of the different samples owing to the different pre-treatment methods could be clustered from the PCA loadings spectra.
Related Links	http://ojs.cnr.ncsu.edu/index.php/BioRes/article/viewFile/BioRes_05_4_2063_Krongtaew_MTF_Pt1_Char_Param_Lignocell_Conver_Qual_FTIR/699
Journal	BioResources
Issue Number	4
Volume Number	5
Language	English
Publisher	North Carolina State University
Publisher Date	2010-01-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Biotechnology Lignocellulose Characterization Wheat and Oat Straw Mild Acidic and Alkaline Peroxide Pre-treatments Fourier-transform Near Infrared Spectroscopy (ft-nir) Principal Component Analysis (pca) Multivariate Data Analysis Qualitative Discriminant Analysi
Content Type	Text
Resource Type	Article

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