CHARACTERIZATION OF KEY PARAMETERS FOR BIOTECHNOLOGICAL LIGNOCELLULOSE CONVERSION ASSESSED BY FT-NIR SPECTROSCOPY. PART I: QUALITATIVE ANALYSIS OF PRETREATED STRAW
作者： Chularat Krongtaew , Thomas Ters , Kurt Messner , Karin Fackler
DOI: 10.15376/BIORES.5.4.2063-2080
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摘要: Wheat straw (Triticum aestivum L.) and oat (Avena sativa were subjected to acid alkaline pre-treatments partly in combination with hydrogen peroxide. The aim was remove lignin increase the accessibility of polysaccharides enzymatic digestion. Accessibility evaluated by digestion a cell wall degrading enzyme complex yield reducing sugars that may serve as precursor substrates for biofuels or building block chemicals. Changes lignin, hemicelluloses, well amorphous, semi-crystalline, crystalline regions cellulose moieties pretreated efficiently characterized Fourier transform near-infrared (FT-NIR) reflectance spectroscopy. These alterations chemical structure after different pre-treatment methods powerfully differentiated principal component analysis (PCA). Characteristics samples owing could be clustered from PCA loadings spectra.
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