Journal
EUROPEAN JOURNAL OF LIPID SCIENCE AND TECHNOLOGY
Volume 116, Issue 12, Pages 1634-1646Publisher
WILEY
DOI: 10.1002/ejlt.201400010
Keywords
Organic; Phenolic compounds; Physicochemical characteristics; Tocopherols; Virgin olive oil
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In recent years, there has been a remarkable development of organic agriculture worldwide, including in olive cultivation. The objective of this study was to evaluate the physicochemical characteristics and nutritional quality of virgin olive oils extracted from two of the most widespread olive varieties in Spain (Picual and Hojiblanca) at different olive-ripening stages, grown using organic or conventional methods. The results of this study showed significant differences in the acidity, oxidative stability, tocopherol contents, fatty acid composition and phenol contents of oils from organically and conventionally cultivated olives. However, the variety and the maturity stage of the olives had a greater effect on the physico-chemical and nutritional parameters than whether the cultivation method was organic or conventional. Due to the growing interest in organic olive oil in the national and international markets, more studies that analyse the effect of organic cultivation on the quality of olive oil are required.
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