Antibacterial Activity of Three Extra Virgin Olive Oils of the Campania Region, Southern Italy, Related to Their Polyphenol Content and Composition

Production of extra virgin olive oil (EVOO) represents an important element for the economy of Southern Italy. Therefore, EVOO is recognized as a food with noticeable biological effects. Our study aimed to evaluate the antimicrobial activity exhibited by the polyphenolic extracts of EVOOs, obtained...

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Main Authors: Filomena Nazzaro, Florinda Fratianni, Rosaria Cozzolino, Antonella Martignetti, Livia Malorni, Vincenzo De Feo, Adriano G. Cruz, Antonio d’Acierno
Format: Article
Language:English
Published: MDPI AG 2019-09-01
Series:Microorganisms
Subjects:
Online Access:https://www.mdpi.com/2076-2607/7/9/321
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author Filomena Nazzaro
Florinda Fratianni
Rosaria Cozzolino
Antonella Martignetti
Livia Malorni
Vincenzo De Feo
Adriano G. Cruz
Antonio d’Acierno
author_facet Filomena Nazzaro
Florinda Fratianni
Rosaria Cozzolino
Antonella Martignetti
Livia Malorni
Vincenzo De Feo
Adriano G. Cruz
Antonio d’Acierno
author_sort Filomena Nazzaro
collection DOAJ
description Production of extra virgin olive oil (EVOO) represents an important element for the economy of Southern Italy. Therefore, EVOO is recognized as a food with noticeable biological effects. Our study aimed to evaluate the antimicrobial activity exhibited by the polyphenolic extracts of EVOOs, obtained from three varieties of <i>Olea </i><i>europea</i> L. (<i>Ruvea</i><i> antica</i>, <i>Ravece</i>, and <i>Ogliarola</i>) cultivated in the village of Montella, Avellino, Southern Italy. The study evaluated the inhibiting effect of the extracts against some Gram-positive and Gram-negative bacteria. Statistical analysis, used to relate values of antimicrobial activity to total polyphenols and phenolic composition, revealed a different behavior among the three EVOO polyphenol extracts. The method applied could be useful to predict the influence of singular metabolites on the antimicrobial activity.
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spelling doaj.art-810d7bb618e3471a9ee35c569ef806882022-12-21T20:52:42ZengMDPI AGMicroorganisms2076-26072019-09-017932110.3390/microorganisms7090321microorganisms7090321Antibacterial Activity of Three Extra Virgin Olive Oils of the Campania Region, Southern Italy, Related to Their Polyphenol Content and CompositionFilomena Nazzaro0Florinda Fratianni1Rosaria Cozzolino2Antonella Martignetti3Livia Malorni4Vincenzo De Feo5Adriano G. Cruz6Antonio d’Acierno7Istituto di Scienze dell’Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, ItalyIstituto di Scienze dell’Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, ItalyIstituto di Scienze dell’Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, ItalyIstituto di Scienze dell’Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, ItalyIstituto di Scienze dell’Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, ItalyDipartimento di Farmacia, Università di Salerno, Via Giovanni Paolo II, 132, Fisciano, 84084 Salerno, ItalyInstituto Federal de Educação, Ciência e Tecnologia di Rio de Janeiro (IFRJ), Departamento de Alimentos, Rio de Janeiro 20270-021, BrazilIstituto di Scienze dell’Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, ItalyProduction of extra virgin olive oil (EVOO) represents an important element for the economy of Southern Italy. Therefore, EVOO is recognized as a food with noticeable biological effects. Our study aimed to evaluate the antimicrobial activity exhibited by the polyphenolic extracts of EVOOs, obtained from three varieties of <i>Olea </i><i>europea</i> L. (<i>Ruvea</i><i> antica</i>, <i>Ravece</i>, and <i>Ogliarola</i>) cultivated in the village of Montella, Avellino, Southern Italy. The study evaluated the inhibiting effect of the extracts against some Gram-positive and Gram-negative bacteria. Statistical analysis, used to relate values of antimicrobial activity to total polyphenols and phenolic composition, revealed a different behavior among the three EVOO polyphenol extracts. The method applied could be useful to predict the influence of singular metabolites on the antimicrobial activity.https://www.mdpi.com/2076-2607/7/9/321extra virgin olive oilpolyphenolsantimicrobial activity
spellingShingle Filomena Nazzaro
Florinda Fratianni
Rosaria Cozzolino
Antonella Martignetti
Livia Malorni
Vincenzo De Feo
Adriano G. Cruz
Antonio d’Acierno
Antibacterial Activity of Three Extra Virgin Olive Oils of the Campania Region, Southern Italy, Related to Their Polyphenol Content and Composition
Microorganisms
extra virgin olive oil
polyphenols
antimicrobial activity
title Antibacterial Activity of Three Extra Virgin Olive Oils of the Campania Region, Southern Italy, Related to Their Polyphenol Content and Composition
title_full Antibacterial Activity of Three Extra Virgin Olive Oils of the Campania Region, Southern Italy, Related to Their Polyphenol Content and Composition
title_fullStr Antibacterial Activity of Three Extra Virgin Olive Oils of the Campania Region, Southern Italy, Related to Their Polyphenol Content and Composition
title_full_unstemmed Antibacterial Activity of Three Extra Virgin Olive Oils of the Campania Region, Southern Italy, Related to Their Polyphenol Content and Composition
title_short Antibacterial Activity of Three Extra Virgin Olive Oils of the Campania Region, Southern Italy, Related to Their Polyphenol Content and Composition
title_sort antibacterial activity of three extra virgin olive oils of the campania region southern italy related to their polyphenol content and composition
topic extra virgin olive oil
polyphenols
antimicrobial activity
url https://www.mdpi.com/2076-2607/7/9/321
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