期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 44, 期 3, 页码 240-248出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2008.12.012
关键词
Feruloyl esterase; CLEAs; Biochemical studies
资金
- National Science Council of Taiwan [NSC94-2214-E011-004]
Thermal stabilities of a native freeze dried Aspergillus awamori feruloyl esterase (FAE-II) enzyme and a cross-linked feruloyl esterase aggregate (CLEAs) at 25-85 degrees C were evaluated and discussed. Effects of some metal ions and some chemicals on the activity of both native freeze dried FAE-II enzyme and CLEAs were examined and explained. Differential scanning calorimetry, thermogravimetry, and derived thermogravimetry, were used to observe and explain the thermal denaturation processes. Structural analyses were made for native FAE-II and CLEAs using FT-IR and SEM techniques to investigate whether the cross-linking had any effect on the powder structure of native FAE-II enzyme. (C) 2008 Elsevier B.V. All rights reserved.
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