Pb-239 キチン系バイオマスの酵素糖化に及ぼす高温高圧水処理の影響(ポスターセッション2:2.技術,研究発表,(ポスター発表))

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We examined the effect of high-temperature and high- pressure water pretreatment on enzymatic saccharification of chitin biomass (chitin or crab shell) to N,N'-diacetylchitobiose ((GlcNAc)_2). The enzymatic saccharification ratio after high-temperature and high-pressure water pretreatment was up to 37%, compared to 5% without the pretreatment. X-ray diffraction (XRD) analysis revealed that the d-spacing and the crystallite size increased by high-temperature and high- pressure water pretreatment, which is indicative of swelling of the chitin. The swelling of the chitin crystal structure improved enzymatic saccharification by allowing the enzymes easy access to the chitin.
2012-01-18