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« Previous AbstractOlive oil phenolic compounds affect the release of aroma compounds    Next AbstractUse of odorant series for extra virgin olive oil aroma characterisation »

Food Res Int


Title:The role of phenolic compounds on olive oil aroma release
Author(s):Genovese A; Yang N; Linforth R; Sacchi R; Fisk I;
Address:"Department of Agricultural Sciences, University of Naples Federico II, Via Universita 100, 80055 Portici, NA, Italy. Electronic address: alessandro.genovese@unina.it. Division of Food Sciences, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough, Leicestershire LE12 5RD, United Kingdom. Department of Agricultural Sciences, University of Naples Federico II, Via Universita 100, 80055 Portici, NA, Italy"
Journal Title:Food Res Int
Year:2018
Volume:20180623
Issue:
Page Number:319 - 327
DOI: 10.1016/j.foodres.2018.06.054
ISSN/ISBN:1873-7145 (Electronic) 0963-9969 (Linking)
Abstract:"In this study, atmospheric pressure chemical ionisation-mass spectrometry (APCI-MS) was successfully applied to understand the effect of phenolic compounds on the release of olive oil aroma compounds. Eight aroma compounds were monitored under in-vivo and in-vitro dynamic conditions in olive oil with and without the addition of virgin olive oil (VOO) biophenols. Three model olive oils (MOOs) were set up with identical volatile compounds concentrations using a refined olive oil (ROO). Phenolics were extracted from VOOs and were added to two MOOs in order to obtain two different concentrations of phenolic compounds (P+?ª+=?ª+354?ª+mg?ª+kg(-1); P++?ª+=?ª+593?ª+mg?ª+kg(-1)). Another MOO was without VOO biophenols (P-). Phenolic compounds impacted both the intensity and time of aroma release. In the in-vivo study, 1-penten-3-one, trans-2-hexenal and esters had lower release in the presence of higher levels of biophenols after swallowing. In contrast, linalool and 1-hexanol had a greater release. The more hydrophobic compounds had a longer persistence in the breath than the hydrophilic compounds. VOO phenolics-proline-rich proteins complexes could explain the binding of aroma compounds and consequently their decrease during analysis and during organoleptic assessment of olive oil"
Keywords:Atmospheric Pressure Breath Tests Food Analysis/methods Humans Hydrophobic and Hydrophilic Interactions Mass Spectrometry/methods Odorants/*analysis Olfactory Perception Olive Oil/*analysis Phenols/*analysis *Smell *Taste Taste Perception Volatile Organic;
Notes:"MedlineGenovese, Alessandro Yang, Ni Linforth, Robert Sacchi, Raffaele Fisk, Ian eng Canada 2018/08/23 Food Res Int. 2018 Oct; 112:319-327. doi: 10.1016/j.foodres.2018.06.054. Epub 2018 Jun 23"

 
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