Bioactive Compounds in Virgin Olive Oil of the PDO Montoro-Adamuz

Journal of the American Oil Chemists' Society volume 93, pages665–672(2016)Cite this article

Abstract

Virgin olive oil (VOO) is generally recognized as a healthy fat because of its fatty acid composition and content in minor compounds but a wide range of these substances can be found in commercial oils. The concentration of compounds with attributed health benefits were analyzed in VOO of the PDO Montoro-Adamuz. Oleic acid represented around 79 % of the total fatty acids, and the mean squalene and tocopherols concentrations were 5800 and 247 mg/kg respectively. Despite the changes found in polyphenols concentration in the oils analyzed for six consecutive crops, these substances accounted for more than 700 mg/kg. Moreover, the effect of irrigation regime and sun radiation on the content in bioactive substances of these oils was also assessed. No significant differences were detected between oils from trees irrigated ad libitum or rain-feed. In contrast, the level of tree radiation exerted a great effect on the concentration of bioactive substances in oils. Oils from trees cultivated in a sunny area (south orientation) had a higher percentage of oleic acid and concentration in phenolic compounds than those from shady areas (north orientation). The opposite was detected for tocopherols and squalene which were more concentrated in oils from olives of the shady area. The results obtained in this study point out VOO of the PDO Montoro-Adamuz as a very healthy fat due to their composition in bioactive substances, in particular their richness in phenolic compounds.

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Acknowledgments

The authors are grateful to Irene de la Rosa for technical help. The authors also thank Antonio Terán and PDO Montoro-Adamuz for providing samples and support.

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  1. Instituto de la Grasa (IG-CSIC), Campus of University Pablo de Olavide, Edificio 46, Ctra. Utrera km 1, 41013, Seville, Spain

    C. Romero, Mª. V. Ruiz-Méndez & Manuel Brenes

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  1. C. Romero
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  2. Mª. V. Ruiz-Méndez
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  3. Manuel Brenes
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Correspondence to Manuel Brenes.

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Romero, C., Ruiz-Méndez, M.V. & Brenes, M. Bioactive Compounds in Virgin Olive Oil of the PDO Montoro-Adamuz. J Am Oil Chem Soc 93, 665–672 (2016). https://doi.org/10.1007/s11746-016-2803-z

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Keywords

  • Olive oil
  • Phenolic
  • Oleic acid
  • Squalene
  • Tocopherols
  • Picual