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논문 기본 정보

자료유형
학술저널
저자정보
Min, Byeong-Cheol (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) Koo, Bon-Wook (Department of Wood and Paper Science, College of Natural Resource, 2105 Biltmore Hall, North Carolina State University) Gwak, Ki-Seob (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) Yeo, Hwan-Myeong (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) Choi, Joon-Weon (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) Choi, In-Gyu (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University)
저널정보
한국목재공학회 목재공학(Journal of the Korean Wood Science and Technology) 목재공학 제39권 제2호
발행연도
2011.1
수록면
187 - 195 (9page)

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In this study, dilute acid pretreatment of $Liriodendron$ $tulipifera$ was performed for enzymatic hydrolysis. As the pretreatment temperature was increased, enzymatic hydrolysis and enzyme adsorption yield also increased. The highest enzymatic hydrolysis yield was 57% (g/g) and enzyme adsorption was 44% (g/g). Enzymatic hydrolysis yield was determined with weight loss of pretreated biomass by enzyme, and enzyme adsorption was a percentage of enzyme weight attaching on pretreated biomass compared with input enzyme weight. When $L.$ $tulipifera$ was pretreated with 1% sulfuric acid at $160^{\circ}C$ for 5 min., hemicellulose was significantly removed in pretreatment, but the lignin contents were constant. Other changes in surface morphology were detected on biomass pretreated at $160^{\circ}C$ by a field emission scanning electron microscope (FESEM). A large number of spherical shapes known as lignin droplets were observed over the entire biomass surface after pretreatment. Hemicellulose removal and morphological changes improved enzyme accessibility to cellulose by increasing cellulose exposure to enzyme. It is thus evidence that enzyme adsorption is a significant factor to understand pretreatment effectiveness.
#Liriodendron tulipifera #dilute acid pretreatment #enzymatic hydrolysis #enzyme adsorption #surface morphology #FESEM

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참고문헌 (28)

참고문헌 신청
Galbe, M / 2002 / A review of the production of ethanol from softwood / Applied Microbiology and Biotechnology 59:618~628 google schola Sun, Y / 2002 / Hydrolysis of lignocellulosic materials for ethanol production: a review / Bioresource Technology 83:1~11 google schola Cosgrove, D / 2005 / Growth of the plant cell wall / Nature Reviews Molecular Cell Biology 6:850 google schola Himmel, M / 1999 / Cellulase for commodity products from cellulosic biomass / Current Opinion in Biotechnology 10:358~364 google schola Wyman, C. / 2005 / Coordinated development of leading biomass pretreatment technologies / Bioresource Technology 96:1959~1966 google schola

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