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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Chemical composition and oxidative stability of Tunisian monovarietal virgin olive oils with regard to fruit ripening
Food Chemistry, Volume 109, No. 4, Year 2008
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Description
The chemical composition of virgin olive oil may be influenced by genotype and different agronomic (i.e. fruit ripeness degree, water supply) and technological factors. This article reports the evaluation of the influence of the olive ripening stage on the quality indices, the major and the minor components and the oxidative stability of the two main monovarietal Tunisian cultivars (cvv. Chétoui and Chemlali) virgin olive oils. Moreover, the olives cv. Chétoui were tested in a rain-fed control and an irrigation regime. The oils sampled at five different ripeness stages were submitted to liquid chromatographic determination (HPLC-DAD/MSD) of their quali-quantitative phenolic and tocopherolic profiles. Moreover, the triacylglycerol and fatty acid compositions, and minor components such as squalene, pigments and their relation with the oil oxidative stability were evaluated. The tested oils showed very good correlation between the oxidative stability and the concentrations of total phenols, practically secoiridoids and α-tocopherol. © 2008 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Baccouri, Olfa
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
Guerfel, Mokhtar
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
Baccouri, Bechir
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
Cerretani, Lorenzo
Italy, Cesena
Alma Mater Studiorum Università Di Bologna, Cesena
Bendini, Alessandra
Italy, Cesena
Alma Mater Studiorum Università Di Bologna, Cesena
Lercker, Giovanni A.
Italy, Cesena
Alma Mater Studiorum Università Di Bologna, Cesena
Zarrouk, Mokhtar
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
Daoud Ben Miled, Douja
Tunisia, Hamam Lif
Centre de Biotechnologie de Borj Cédria
Statistics
Citations: 234
Authors: 8
Affiliations: 2
Identifiers
Doi:
10.1016/j.foodchem.2008.01.034
ISSN:
03088146
Research Areas
Environmental
Genetics And Genomics
Study Approach
Quantitative