Effect of sub- and supercritical water pretreatment on enzymatic degradation of chitin
作者： Mitsumasa Osada , Chika Miura , Yuko S. Nakagawa , Mikio Kaihara , Mitsuru Nikaido
DOI: 10.1016/J.CARBPOL.2011.12.007
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摘要: Abstract We examined the effect of sub- and supercritical water pretreatment (300–400 °C, 0.5–15 min) on enzymatic degradation chitin to N , ′-diacetylchitobiose (GlcNAc) 2 . The yield by pretreated at 400 °C for 1.0 min was up 37%, compared 5% without pretreatment. X-ray diffraction (XRD) analysis revealed that d -spacing crystallite size increased pretreatment, which is indicative swelling chitin. crystal structure improved allowing enzymes easy access
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