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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Compositional quality of virgin olive oils from cultivars introduced in Tunisian arid zones in comparison to Chemlali cultivars
Scientia Horticulturae, Volume 124, No. 1, Year 2010
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Description
This work is an evaluation of the quality of three introduced European olive cultivars Arbequina, Coratina, and Koroneiki grown under a biological agricultural system in the arid zone of Sfax in Tunisia compared to Chemlali cultivars. Various olive parameters were analyzed, such as ripening index, pulp/stone (P/S) ratio and oil content. We have considered the regulated physicochemical analytical parameters, fatty acids and minor compounds for olive oil. The most of the quality indices and fatty acid composition showed significant variations among olive cultivars. The Koroneiki, Coratina and Chemlali Zarzis cultivars had highest values of oleic acid (62.7%) (76.8%, 75.8% and 73.9%, respectively), Arbequina, had lowest value of oleic acid and similar to Chemlali Sfax. Coratina was noteworthy for its higher content of phenolic compounds (287.8 mg kg-1), oil content (42.4%) and P/S ratio (4.7%). Although their low phenol contents, autochthonous cultivars presented high contents of α-tocopherol (577.8 and 434.6 mg kg-1 for Chemlali Boughrara and Chemlali Zarzis, respectively) except for Chemlali Sfax. In conclusion, European cultivars seem to have adapted to the area studied according to their oil biochemical composition while the increase observed in their α-tocopherol levels. The cultivar Arbequina showed a similar composition of Chemlali Sfax. © 2009 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Dabbou, Samia
Tunisia, Monastir
Ur Human Nutrition and Metabolic Disorders Faculty of Medicine
Rjiba, Imed
Tunisia, Monastir
Ur Human Nutrition and Metabolic Disorders Faculty of Medicine
Nakbi, Amel
Tunisia, Monastir
Ur Human Nutrition and Metabolic Disorders Faculty of Medicine
Gazzah, Noureddine
Tunisia, Monastir
Ur Human Nutrition and Metabolic Disorders Faculty of Medicine
Issaoui, Manel
Tunisia, Monastir
Ur Human Nutrition and Metabolic Disorders Faculty of Medicine
Hammami, M. B.
Tunisia, Monastir
Ur Human Nutrition and Metabolic Disorders Faculty of Medicine
Statistics
Citations: 53
Authors: 6
Affiliations: 1
Identifiers
Doi:
10.1016/j.scienta.2009.12.017
ISSN:
03044238
Study Locations
Tunisia