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Characterization of Monovarietal Argentinian Olive Oils from New Productive Zones

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  • Published:
Journal of the American Oil Chemists' Society

Abstract

Quality characteristics (acidity, peroxide value, K 232, K 270, ΔK, oxidative stability index) and chemical data (antioxidant compound, fatty-acid, sterol, erythrodiol-uvaol, and wax compositions) were studied in monovarietal virgin-olive oil samples (2004–2005 harvests) from different regions of Argentina. The data obtained according to standard methods were compared with international quality and purity criteria. The total-polyphenol content ranged from 25 to 263 mg/kg, showing the highest values for Coratina and Arauco oils. The α-tocopherol content varied between 160 and 428 mg/kg; these values are generally stated to belong to good quality oils. Most of the samples from the new productive zones failed at least one purity criterion. Arbequina samples presented the highest deviations from the International Olive Oil Council criteria in fatty acids, waxes, and sterol percentages, indicating a poor adaptation of this cultivar to the agronomic medium and its sensibility to adverse climatic conditions. Principal component analysis revealed that the harvest-year influence was attributable to environmental factors.

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Acknowledgments

This work has been supported by ASAGA (Asociación Argentina de Grasas y Aceites), CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas), and Universidad Nacional del Sur, Argentina. We gratefully thank Martha Melgarejo, who was an interlocutor with the productive sector staff, giving the instructions about sample collecting and providing trustworthy cultural and processing data.

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Authors and Affiliations

  1. Planta Piloto de Ingeniería Química (PLAPIQUI), Universidad Nacional del Sur-Consejo Nacional de Investigaciones Científicas y Técnicas (UNS-CONICET), Camino La Carrindanga km. 7, CC 717, 8000, Bahía Blanca, Argentina

    Liliana N. Ceci & Amalia A. Carelli

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  1. Liliana N. Ceci
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  2. Amalia A. Carelli
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Correspondence to Liliana N. Ceci.

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Ceci, L.N., Carelli, A.A. Characterization of Monovarietal Argentinian Olive Oils from New Productive Zones. J Am Oil Chem Soc 84, 1125–1136 (2007). https://doi.org/10.1007/s11746-007-1140-7

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  • DOI: https://doi.org/10.1007/s11746-007-1140-7

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