A kinetic model for co-oxidation of β-carotene with oleic acid

Atsushi Takahashi, Jun ichi Suzuki, Naomi Shibasaki-Kitakawa, Toshikuni Yonemoto

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)1203-1207
Number of pages5
JournalJAOCS, Journal of the American Oil Chemists' Society
Issue number12
Publication statusPublished - 2001 Dec


  • Co-oxidation
  • Cross-reaction
  • Kinetic model
  • Oleic acid
  • β-carotene


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