Kinetic Analysis of Temperature-Programmed Autoxidation of Ethyl Eicosapentaenoate and Ethyl Docosahexaenoate | Zendy

Hidefumi Yoshii | Zendy; Takeshi Furuta | Zendy; Takatoki ITOH | Zendy; Yoshihisa Misawa | Zendy; Noriaki Hata | Zendy; Hideaki Kobayashi | Zendy; YuYen Linko | Zendy; P. Linko | Zendy

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Kinetic Analysis of Temperature-Programmed Autoxidation of Ethyl Eicosapentaenoate and Ethyl Docosahexaenoate

Author(s) -

Hidefumi Yoshii,

Takeshi Furuta,

Takatoki ITOH,

Yoshihisa Misawa,

Noriaki Hata,

Hideaki Kobayashi,

YuYen Linko,

P. Linko

Publication year - 1999

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.63.1336

Subject(s) - autoxidation , autocatalysis , chemistry , activation energy , order of reaction , isothermal process , kinetics , kinetic energy , polyunsaturated fatty acid , chemical kinetics , thermodynamics , organic chemistry , reaction rate constant , fatty acid , catalysis , physics , quantum mechanics

On the basis of an autocatalytic and a first order reaction kinetics, a nonisothermal oxidation reaction model was developed for n-3 polyunsaturated fatty acid (PUFA) under temperature-programmed linear heating conditions. With this model, the activation energy of oxidative reaction can easily be obtained with at least three linear heating conditions. The temperature-programmed oxidation experiments of ethyl eicosapentaenoate and ethyl docosahexaenoate were done under linear heating conditions of 4 to 12 K/h. The activation energies and the frequency factors obtained were in good agreement with those by the isothermal oxidation experiments reported previously.

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