Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/58003
Type: Artigo de periódico
Title: Thermal Degradation Kinetics of Carotenoids in Palm Oil
Author: Sampaio, KA
Ayala, JV
Silva, SM
Ceriani, R
Verhe, R
Meirelles, AJA
Abstract: In the present work, a detailed study is performed for carotene thermal degradation in palm oil at four temperatures ranging from 170 to 230 degrees C. The heating process was carried out with injection of nitrogen, and the samples were collected every 20 min during a total heating period of 140 min. HPLC analysis was conducted to monitor the carotenoids and tocols variations over the heating time at each temperature. The experimental data were then compared to literature data concerning carotenoids thermal degradation. The thermal degradation kinetics of carotenoids in palm oil followed an order superior to 1. The dependence of constant rates with temperature obeyed the Arrhenius relationship. The activation energy for the carotenoids thermal degradation in palm oil was found to be 109.4 kJ/mol.
Subject: Carotenes
Activation energy
Reaction order
Palm oil
Vegetable oils
Country: EUA
Editor: Springer
Rights: fechado
Identifier DOI: 10.1007/s11746-012-2156-1
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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