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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27421

Title: Differences in degradation kinetics for sonolysis, microfluidization and shearing treatments of chitosan
Authors: Rong Huei Chen;Jin Ru Huang;Min Lang Tsai;Lan Zang Tseng;Chu Hsi Hsu
Contributors: NTOU:Department of Food Science
國立臺灣海洋大學:食品科學系
Keywords: physical methods;sonolysis;microfluidization;shearing;molecular weight
Date: 2011-06
Issue Date: 2011-10-21T02:25:22Z
Publisher: Polymer International
Abstract: Abstract:Solution concentration, temperature, reaction time and use or non-use of concurrent ultrafiltration treatment for fragment removal are factors that affect the degradation rate constant in sonolysis, microfluidization and shearing treatments. The cause of these operation conditions and their effect on chitosan degradation rate constant were compared. Different operation conditions for each treatment resulted in various solution viscosities, ease of dissipation of cavitation, entanglement and stretching, in turn resulting in different rates of effectiveness of degradation by different degradation mechanisms. A rationale for applying these physical methods in practical chitosan production is proposed.
Relation: 60(6), pp.897–902
URI: http://ntour.ntou.edu.tw/handle/987654321/27421
Appears in Collections:[食品科學系] 期刊論文

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