Efficient Reduction of Chitosan Molecular Weight by High-Intensity Ultrasound: Underlying Mechanism and Effect of Process Parameters

The degradation of chitosan by high-intensity ultrasound (HIU) as affected by ultrasound parameters and solution properties was investigated by gel permeation chromatography coupled with static light scattering. The molecular weight, radius of gyration, and polydispersity of chitosan were reduced by...

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Veröffentlicht in:	Journal of agricultural and food chemistry 2008-07, Vol.56 (13), p.5112-5119
Hauptverfasser:	Wu, Tao, Zivanovic, Svetlana, Hayes, Douglas G, Weiss, Jochen
Format:	Artikel
Sprache:	eng
Schlagworte:	Acetylation Biological and medical sciences Chemical Changes Induced by Processing/Storage Chitosan Chitosan - chemistry Chitosan - metabolism degradation Food industries food processing food processing quality Free Radical Scavengers - pharmacology Fundamental and applied biological sciences. Psychology high intensity ultrasonic treatment high-intensity ultrasound Kinetics Models, Biological Molecular Conformation Molecular Weight Osmolar Concentration random scission model Sonication Temperature ultrasonic treatment
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