Ripening and storage conditions of Chétoui and Arbequina olives: Part I. Effect on olive oils volatiles profile

Food Chem. 2016 Jul 15:203:548-558. doi: 10.1016/j.foodchem.2016.01.089. Epub 2016 Jan 21.

Abstract

The distinctive aroma of virgin olive oil is mainly attributed to its volatile profile including components responsible for positive attributes and others for sensory defects resulting from chemical oxidation and exogenous enzymes. For this reason, the evolution of volatile compounds from Chétoui and Arbequina virgin olive oils during olive ripening and storage (at 4 and 25 °C during 4 weeks) was investigated. The profile of volatile phenols during olive storage was also studied. Quantitative differences in the volatile compounds during olive storage at 4 and 25 °C according to olive cultivar was determined. Concerning the volatile phenols, the Arbequina olives were the most affected by high storage temperature, as the formation of these compounds, especially 4-ethyl and 4-vinyl derivatives of phenol and guaiacol were more noticeable in Arbequina oils extracted from stored fruits at 25 °C.

Keywords: 4-Ethylphenol (PubChem CID: 31242); 4-Vinylphenol (PubChem CID: 62453); E-2-hexenal (PubChem CID: 5281168); E-2-hexenol (PubChem CID: 5318042); Guaiacol (PubChem CID: 460); Hexanal (PubChem CID: 6184); Hexanol (PubChem CID: 8103); Hexylacetate (PubChem CID: 8908); Nonanal (PubChem CID: 31289); Olive storage; Ripening; Virgin olive oil; Volatile compounds; Volatile phenols; p-Cresol (PubChem CID: 2879).

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Food Storage*
  • Fruit / chemistry*
  • Fruit / growth & development
  • Humans
  • Odorants / analysis
  • Olea / chemistry*
  • Olea / growth & development
  • Olive Oil / analysis*
  • Olive Oil / chemistry
  • Oxidation-Reduction
  • Phenols / analysis
  • Volatile Organic Compounds / analysis*

Substances

  • Olive Oil
  • Phenols
  • Volatile Organic Compounds