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A kinetic model for co‐oxidation of β‐carotene with oleic acid
Author(s) -
Takahashi Atsushi,
Suzuki Junichi,
ShibasakiKitakawa Naomi,
Yonemoto Toshikuni
Publication year - 2001
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/s11745-001-0414-9
Subject(s) - oleic acid , chemistry , carotene , decane , oxygen , lipid oxidation , redox , antioxidant , organic chemistry , photochemistry , biochemistry
Oxidation experiments with β‐carotene in a lipid solution were conducted under various conditions of temperature, oxygen composition, and lipid content. The experimental results were compared with those using n ‐decane reported previously. Under all conditions, the oxidation rate in oleic acid was faster than that in n ‐decane. A novel kinetic model for the co‐oxidation of carotene with a lipid was proposed based on the reaction mechanism, which consisted of the oxidation of carotene, the oxidation of oleic acid, and the cross‐reaction of carotene with oleic acid. The model quantitatively described the oxidation behavior of carotene over a wide range of temperatures, oxygen compositions, and lipid contents.