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Ghreishi Rad SA, Jalili M, Ansari F, Rashidi Nodeh H, Rashidi L. Maturity impact on physicochemical composition and polyphenol properties of extra virgin olive oils obtained from Manzanilla, Arbequina, and Koroneiki varieties in Iran. Food Sci Nutr 2023; 11:5396-5408. [PMID: 37701214 PMCID: PMC10494621 DOI: 10.1002/fsn3.3497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 04/27/2023] [Accepted: 05/31/2023] [Indexed: 09/14/2023] Open
Abstract
This study investigated the physicochemical properties and polyphenol composition of extra virgin olive oils (EVOOs) extracted from three olive cultivars. The investigated cultivars were Arbequina, Koroneiki, and Manzanilla, grown in Olive Research Station in Rudbar county, Gilan province, Iran, at three ripening stages. Several parameters were analyzed, including peroxide and acidity values, unsaponifiable matter, oxidative stability, total aliphatic alcohols, fatty acids (FAs), sterols, and triacylglycerol composition. The results showed that as maturity increased, parameters such as oil content, acidity value, and iodine value, rise, while parameters including peroxide value, oxidative stability, aliphatic alcohols, and unsaponifiable matter decreased (p < .05). The saponification value was slightly reduced in the developing ripening process (p > .05). The MUFA/PUFA ratio and total sterol content declined during the olive ripening stages (p < .05). The triterpenes decreased in Arbequina and Koroneiki cultivars but increased in Manzanilla cultivar during the maturity stages. According to the data, oleuropein decreased while oleuropein aglycone, oxidized aldehyde, and hydroxylic form of oleuropein increased for all EVOOs during maturation. Apigenin, quercetin, ligstroside aglycone, aldehyde and hydroxylic form, ferulic acid, caffeic acid, and catechin decreased during the ripening of fruits (p < .05). The main triglycerides were triolein (OOO), palmitodiolein (POO), dioleolinolein (OOL), and palmitooleolinolein (PLO) in all EVOOs. In addition, the olive cultivar and harvesting date influence the physicochemical properties and polyphenol composition of EVOOs extracted from olive varieties grown in one region. In conclusion, the results can present helpful information to determine the optimum maturity stage for the investigated olive cultivars.
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Affiliation(s)
- Seyed Amirreza Ghreishi Rad
- Department of Mechanical Engineering of Biosystems, Faculty of Agriculture Engineering and Technology, College of Agriculture and Natural ResourceTehran UniversityTehranIran
| | - Maryam Jalili
- Research Center of Food Technology and Agricultural ProductsStandard Research Institute of Iran (SRI)KarajIran
| | - Farzaneh Ansari
- Research Center of Food Technology and Agricultural ProductsStandard Research Institute of Iran (SRI)KarajIran
| | - Hamid Rashidi Nodeh
- Research Center of Food Technology and Agricultural ProductsStandard Research Institute of Iran (SRI)KarajIran
| | - Ladan Rashidi
- Research Center of Food Technology and Agricultural ProductsStandard Research Institute of Iran (SRI)KarajIran
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Kyoui D, Saito Y, Takahashi A, Tanaka G, Yoshida R, Maegaki Y, Kawarai T, Ogihara H, Suzuki C. Antibacterial Activity of Hexanol Vapor In Vitro and on the Surface of Vegetables. Foods 2023; 12:3097. [PMID: 37628096 PMCID: PMC10453283 DOI: 10.3390/foods12163097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/16/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
Hexanol is a volatile alcohol and a major component of plant essential oils (EOs). However, the antibacterial activity of hexanol vapor has not been well studied. This study aimed to evaluate the antibacterial activity of hexanol. In this study, seven food-related bacteria were exposed to 1-, 2- or 3-hexanol vapor on agar media to evaluate their growth. Additionally, the total viable counts in three vegetables when exposed to 1-hexanol vapor were measured. The results showed that 1-hexanol exhibited antibacterial effects against Gram-negative bacteria but did not affect Gram-positive bacteria. However, compounds 2- and 3-hexanol did not show antimicrobial activity against any bacteria. For the vegetables, exposure to 1-hexanol vapor decreased the total viable bacterial counts in cabbage and carrot and inhibited bacterial growth in eggplants. In cabbage, 1-hexanol vapor at concentrations over 50 ppm decreased the total viable count within 72 h, and 25 ppm of vapor showed bacteriostatic activity for 168 h. However, 1-hexanol vapor also caused discoloration in cabbage. In summary, 1-hexanol has the potential to act as an antibacterial agent, but further studies are required for practical use. Moreover, the study results may help determine the antimicrobial activity of various EOs in the future.
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Affiliation(s)
- Daisuke Kyoui
- Laboratory of Food Microbiology, Department of Food Science and Technology, College of Bioresource Sciences, Nihon University, 1866 Kameino, Fujisawa 2520880, Kanagawa, Japan
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Classification and Antioxidant Activity Evaluation of Edible Oils by Using Nanomaterial-Based Electrochemical Sensors. Int J Mol Sci 2023; 24:ijms24033010. [PMID: 36769346 PMCID: PMC9917972 DOI: 10.3390/ijms24033010] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 01/24/2023] [Accepted: 01/30/2023] [Indexed: 02/09/2023] Open
Abstract
The classification of olive oils and the authentication of their biological or geographic origin are important issues for public health and for the olive oil market and related industries. The development of techniques for olive oil classification that are fast, easy to use, and suitable for online, in situ and remote operation is of high interest. In this study, the possibility of discriminating and classifying vegetable oils according to different criteria related to biological or geographical origin was assessed using cyclic voltammograms (CVs) as input data, obtained with electrochemical sensors based on carbonaceous nanomaterials and gold nanoparticles. In this context, 44 vegetable oil samples of different categories were analyzed and the capacity of the sensor array coupled with multivariate analysis was evaluated. The characteristics highlighted in voltammograms are related to the redox properties of the electroactive compounds, mainly phenolics, existing in the oils. Moreover, the antioxidant activity of the oils' hydrophilic fraction was also estimated by conventional spectrophotometric methods (1,1-diphenyl-2-picrylhydrazyl (DPPH) and galvinoxyl) and correlated with the voltammetric responses of the sensors. The percentage of DPPH and galvinoxyl inhibition was accurately predicted from the voltammetric data, with a correlation coefficients greater than 0.97 both in calibration and in validation. The results indicate that this method allows for a clear discrimination of oils from different biological or geographic origins.
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Greco M, Spadafora N, Shine M, Smith A, Muto A, Muzzalupo I, Chiappetta A, Bruno L, Müller C, Rogers H, Bitonti MB. Identifying volatile and non-volatile organic compounds to discriminate cultivar, growth location, and stage of ripening in olive fruits and oils. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:4500-4513. [PMID: 35122271 PMCID: PMC9541169 DOI: 10.1002/jsfa.11805] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 01/23/2022] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND There is increasing consumer demand for olive oil to be traceable. However, genotype, environmental factors, and stage of maturity, all affect the flavor and composition of both the olives and olive oil. Few studies have included all three variables. Key metabolites include lipids, phenolics, and a wide range of volatile organic compounds (VOCs), which provide the olives and oil with their characteristic flavor. Here we aim to identify markers that are able to discriminate between cultivars, that can identify growth location, and can discriminate stages of fruit maturity. 'Nocellara messinese' and 'Carolea' olive fruits were grown at three locations differing in altitude in Calabria, Italy, and harvested at three stages of maturity. Oil was analyzed from the two most mature stages. RESULTS Nine and 20 characters discriminated all fruit and oil samples respectively, and relative abundance of two fatty acids distinguished all oils. Whole VOC profiles discriminated among the least mature olives, and oil VOC profiles discriminated location and cultivar at both stages. Three VOCs putatively identified as hexanal, methyl acetate, and 3-hexen-1-ol differentiated all samples of oils from the most mature fruit stage. CONCLUSION The results confirm that interactions of location, cultivar and fruit maturity stage are critical for the overall pattern of aroma compounds, and identify potential markers of commercial relevance. © 2022 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Maria Greco
- Department of Biology, Ecology, and Earth SciencesUniversity of CalabriaArcavacata di RendeItaly
- School of Biosciences, Cardiff UniversityCardiffUK
| | - Natasha Spadafora
- School of Biosciences, Cardiff UniversityCardiffUK
- Department of Chemical, Pharmaceutical and Agricultural SciencesUniversity of FerraraFerraraItaly
| | - Martin Shine
- School of Biosciences, Cardiff UniversityCardiffUK
| | - Ann Smith
- School of Biosciences, Cardiff UniversityCardiffUK
| | - Antonella Muto
- Department of Biology, Ecology, and Earth SciencesUniversity of CalabriaArcavacata di RendeItaly
| | - Innocenzo Muzzalupo
- Centro di Ricerca Olivicoltura, Frutticoltura e Agrumicoltura, Consiglio per la Ricerca in agricoltura e l’analisi dell’economia agraria (CREA‐OFA)RendeItaly
| | - Adriana Chiappetta
- Department of Biology, Ecology, and Earth SciencesUniversity of CalabriaArcavacata di RendeItaly
| | - Leonardo Bruno
- Department of Biology, Ecology, and Earth SciencesUniversity of CalabriaArcavacata di RendeItaly
| | | | | | - M. Beatrice Bitonti
- Department of Biology, Ecology, and Earth SciencesUniversity of CalabriaArcavacata di RendeItaly
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López-Yerena A, Ninot A, Lozano-Castellón J, Escribano-Ferrer E, Romero-Aroca AJ, Belaj A, Vallverdú-Queralt A, Lamuela-Raventós RM. Conservation of Native Wild Ivory-White Olives from the MEDES Islands Natural Reserve to Maintain Virgin Olive Oil Diversity. Antioxidants (Basel) 2020; 9:E1009. [PMID: 33080812 PMCID: PMC7603032 DOI: 10.3390/antiox9101009] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/14/2020] [Accepted: 10/15/2020] [Indexed: 01/18/2023] Open
Abstract
Food diversity, and in particular genetic diversity, is being lost at an alarming rate. Protection of natural areas is crucial to safeguard the world's threatened species. The Medes Islands (MI), located in the northwest Mediterranean Sea, are a protected natural reserve. Wild olive trees also known as oleasters make up part of the vegetation of the Meda Gran island. Among them, in 2012, a wild albino ivory-white olive tree with fruit was identified. Fruits were collected from this tree and their seeds were first sown in a greenhouse and then planted in an orchard for purposes of ex situ preservation. Seven out of the 78 seedling trees obtained (12%) produced ivory-white fruits. In autumn 2018, fruits from these trees were sampled. Although the fruits had low oil content, virgin olive oil with unique sensory, physicochemical, and stability characteristics was produced. With respect to the polyphenols content, oleacein was the main compound identified (373.29 ± 72.02 mg/kg) and the oleocanthal was the second most abundant phenolic compound (204.84 ± 52.58 mg/kg). Regarding pigments, samples were characterized by an intense yellow color, with 12.5 ± 4.6 mg/kg of chlorophyll and 9.2 ± 3.3 mg/kg of carotenoids. Finally, oleic acid was the main fatty acid identified. This study explored the resources of the natural habitat of the MI as a means of enrichment of olive oil diversity and authenticity of this traditional Mediterranean food.
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Affiliation(s)
- Anallely López-Yerena
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), Pharmacy and Food Sciences School, University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (J.L.-C.); (A.V.-Q.)
| | - Antònia Ninot
- Institute of Agrifood Research and Technology (IRTA), Fruit Science Program, Olive Growing and Oil Technology research team, 43120 Constantí, Spain; (A.N.); (A.J.R.-A.)
| | - Julián Lozano-Castellón
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), Pharmacy and Food Sciences School, University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (J.L.-C.); (A.V.-Q.)
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain;
| | - Elvira Escribano-Ferrer
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain;
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Biopharmaceutics and Pharmacokinetics Unit, Institute of Nanoscience and Nanotechnology (IN2UB), Pharmacy and Food Sciences School, University of Barcelona, 08028 Barcelona, Spain
| | - Agustí J. Romero-Aroca
- Institute of Agrifood Research and Technology (IRTA), Fruit Science Program, Olive Growing and Oil Technology research team, 43120 Constantí, Spain; (A.N.); (A.J.R.-A.)
| | - Angjelina Belaj
- Instituto de Investigación y Formación Agraria y Pesquera (IFAPA)—Centro “Alameda del Obispo”, Avda. Menéndez Pidal s/n, E-14004 Córdoba, Spain;
| | - Anna Vallverdú-Queralt
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), Pharmacy and Food Sciences School, University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (J.L.-C.); (A.V.-Q.)
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain;
| | - Rosa M. Lamuela-Raventós
- Nutrition, Food Science and Gastronomy Department, XaRTA, Institute of Nutrition and Food Safety (INSA-UB), Pharmacy and Food Sciences School, University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (J.L.-C.); (A.V.-Q.)
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain;
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Luo Y, Gao B, Zhang Y, Yu L(L. Detection of olive oil adulteration with vegetable oils by ultra-performance convergence chromatography-quadrupole time-of-flight mass spectrometry (UPC 2-QTOF MS) coupled with multivariate data analysis based on the differences of triacylglycerol compositions. Food Sci Nutr 2020; 8:3759-3767. [PMID: 32724638 PMCID: PMC7382181 DOI: 10.1002/fsn3.1664] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 04/30/2020] [Accepted: 05/06/2020] [Indexed: 12/15/2022] Open
Abstract
Three different vegetable oils, including soybean, corn, and sunflower oils, were differentiated from olive oil by using ultra-performance convergence chromatography coupled with quadrupole time-of-flight (UPC2-QTOF MS) and multivariate data analysis based on their differences in triacylglycerol compositions. Then, olive oil was adulterated by adding these three vegetable oils in 1%, 0.75%, and 0.5% (v/v), and the adulterated olive oils were differentiated from the pure olive oils using the similar analytical strategies but different data processing approaches. After that, the representative markers in differentiating the adulterations were selected, and a mathematical model was created to detect the olive oil adulteration based on these specific markers. These results indicated that UPC2-QTOF MS coupled with multivariate data analysis is a sensitive and accurate method in detecting olive oil adulteration, even in 0.5% adulteration level (v/v). This method could be applied in olive oil adulteration detection, and potentially beneficial to the oil industry.
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Affiliation(s)
- Yinghua Luo
- College of Food Science and Nutritional EngineeringNational Engineering Research Center for Fruit and Vegetable ProcessingKey Laboratory of Fruit and Vegetable Processing Ministry of AgricultureEngineering Research Centre for Fruit and Vegetable ProcessingMinistry of EducationChina Agricultural UniversityBeijingChina
| | - Boyan Gao
- China‐Canada Joint Lab of Food Nutrition and Health (Beijing)Beijing Technology & Business University (BTBU)BeijingChina
- Institute of Food and Nutraceutical ScienceSchool of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
- Department of Nutrition and Food ScienceUniversity of MarylandCollege ParkMDUSA
| | - Yaqiong Zhang
- Institute of Food and Nutraceutical ScienceSchool of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiChina
| | - Liangli (Lucy) Yu
- Department of Nutrition and Food ScienceUniversity of MarylandCollege ParkMDUSA
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Fratianni F, Cozzolino A, d’Acierno A, Nazzaro F, Riccardi R, Spigno P. Qualitative Aspects of Some of Some Traditional Landraces of the Tomato "Piennolo" ( Solanum lycopersicum L.) of the Campania Region, Southern Italy. Antioxidants (Basel) 2020; 9:antiox9070565. [PMID: 32605145 PMCID: PMC7402180 DOI: 10.3390/antiox9070565] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/17/2020] [Accepted: 06/24/2020] [Indexed: 01/04/2023] Open
Abstract
Our study aimed to analyze some qualitative aspects of five landraces of the tomato "Piennolo," typical of the Vesuvian area, Italy, and determine the in vitro antioxidant activity. All samples showed a high °Brix value and acidity, as well as a discrete amount of reducing sugars, indicating their good quality as fresh products. They showed a high content of lycopene (up to 218 mg g-1 of fresh product) and ascorbic acid (up to 238 mg g-1 of fresh product). The content of total polyphenols was never less than 278 mg g-1 of fresh product. Hyperoside, chlorogenic and gallic acids were the most abundant polyphenols. The interrelationships between the parameters analyzed and the different landraces showed that total polyphenols could have mostly affected (r = 0.76) the antioxidant activity more than lycopene (r = -0.96). The interrelationships between the most abundant polyphenols and antioxidant activity showed that hyperoside, although the most abundant, negatively affected (r = -0.93) the antioxidant activity. Due to the high content of lycopene, ascorbic acid, and hyperoside, the five landraces of the tomato "Piennolo" could be considered promising in terms of their potential healthy characteristics.
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Affiliation(s)
- Florinda Fratianni
- Institute of Food Science, CNR-ISA, Via Roma 64, 83100 Avellino, Italy; (F.F.); (A.d.)
| | - Autilia Cozzolino
- Department of Agricultural, Environmental and Food Sciences (DiAAA)-University of Molise, Via de Sanctis snc, 86100 Campobasso, Italy;
| | - Antonio d’Acierno
- Institute of Food Science, CNR-ISA, Via Roma 64, 83100 Avellino, Italy; (F.F.); (A.d.)
| | - Filomena Nazzaro
- Institute of Food Science, CNR-ISA, Via Roma 64, 83100 Avellino, Italy; (F.F.); (A.d.)
- Correspondence: ; Tel.: +39-0825-299-102
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Fratianni F, d’Acierno A, Cozzolino A, Spigno P, Riccardi R, Raimo F, Pane C, Zaccardelli M, Tranchida Lombardo V, Tucci M, Grillo S, Coppola R, Nazzaro F. Biochemical Characterization of Traditional Varieties of Sweet Pepper ( Capsicum annuum L.) of the Campania Region, Southern Italy. Antioxidants (Basel) 2020; 9:E556. [PMID: 32604812 PMCID: PMC7346132 DOI: 10.3390/antiox9060556] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/21/2020] [Accepted: 06/24/2020] [Indexed: 12/14/2022] Open
Abstract
Bioactive compounds of different Campania native sweet pepper varieties were evaluated. Polyphenols ranged between 1.37 mmol g-1 and 3.42 mmol g-1, β-carotene was abundant in the red variety "Cazzone" (7.05 μg g-1). Yellow and red varieties showed a content of ascorbic acid not inferior to 0.82 mg g-1, while in some green varieties the presence of ascorbic acid was almost inconsistent. Interrelationships between the parameters analyzed and the varieties showed that ascorbic acid could represent the factor mostly influencing the antioxidant activity. Polyphenol profile was different among the varieties, with a general prevalence of acidic phenols in yellow varieties and of flavonoids in red varieties. Principal Component Analysis, applied to ascorbic acid, total polyphenols and β-carotene, revealed that two of the green varieties ("Friariello napoletano" and "Friariello Sigaretta") were well clustered and that the yellow variety "Corno di capra" showed similarity with the green varieties, in particular with "Friariello Nocerese". This was confirmed by the interrelationships applied to polyphenol composition, which let us to light on a clustering of several red and yellow varieties, and that mainly the yellow "Corno di capra" was closer to the green varieties of "Friariello".
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Affiliation(s)
| | - Antonio d’Acierno
- Institute of Food Science, CNR-ISA, Via Roma 64, 83100 Avellino, Italy;
| | - Autilia Cozzolino
- Department of Agricultural, Environmental and Food Sciences (DiAAA)-University of Molise, Via de Sanctis snc, 86100 Campobasso, Italy; (A.C.); (R.C.)
| | - Patrizia Spigno
- Cooperativa “ARCA 2010”, Via Varignano 7, 8100 Acerra (NA), Italy; (P.S.); (R.R.)
| | - Riccardo Riccardi
- Cooperativa “ARCA 2010”, Via Varignano 7, 8100 Acerra (NA), Italy; (P.S.); (R.R.)
| | - Francesco Raimo
- Horticulture Research Center (CRA-ORT), Via Cavalleggeri 25, 84098 Pontecagnano Faiano (SA), Italy; (F.R.); (C.P.); (M.Z.)
| | - Catello Pane
- Horticulture Research Center (CRA-ORT), Via Cavalleggeri 25, 84098 Pontecagnano Faiano (SA), Italy; (F.R.); (C.P.); (M.Z.)
| | - Massimo Zaccardelli
- Horticulture Research Center (CRA-ORT), Via Cavalleggeri 25, 84098 Pontecagnano Faiano (SA), Italy; (F.R.); (C.P.); (M.Z.)
| | - Valentina Tranchida Lombardo
- Institute of Biosciences and Bioresources, CNR-IBBR, O.U. of Portici (NA), Via Università 100, 80055 Portici (NA), Italy; (V.T.L.); (M.T.); (S.G.)
| | - Marina Tucci
- Institute of Biosciences and Bioresources, CNR-IBBR, O.U. of Portici (NA), Via Università 100, 80055 Portici (NA), Italy; (V.T.L.); (M.T.); (S.G.)
| | - Stefania Grillo
- Institute of Biosciences and Bioresources, CNR-IBBR, O.U. of Portici (NA), Via Università 100, 80055 Portici (NA), Italy; (V.T.L.); (M.T.); (S.G.)
| | - Raffaele Coppola
- Department of Agricultural, Environmental and Food Sciences (DiAAA)-University of Molise, Via de Sanctis snc, 86100 Campobasso, Italy; (A.C.); (R.C.)
| | - Filomena Nazzaro
- Institute of Food Science, CNR-ISA, Via Roma 64, 83100 Avellino, Italy;
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Nazzaro F, Fratianni F, Cozzolino R, Martignetti A, Malorni L, De Feo V, Cruz AG, d'Acierno A. Antibacterial Activity of Three Extra Virgin Olive Oils of the Campania Region, Southern Italy, Related to Their Polyphenol Content and Composition. Microorganisms 2019; 7:E321. [PMID: 31491985 PMCID: PMC6780878 DOI: 10.3390/microorganisms7090321] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 09/03/2019] [Accepted: 09/04/2019] [Indexed: 01/08/2023] Open
Abstract
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 Olea europea L. (Ruvea antica, Ravece, and Ogliarola) 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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Affiliation(s)
- Filomena Nazzaro
- Istituto di Scienze dell'Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, Italy.
| | - Florinda Fratianni
- Istituto di Scienze dell'Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, Italy.
| | - Rosaria Cozzolino
- Istituto di Scienze dell'Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, Italy.
| | - Antonella Martignetti
- Istituto di Scienze dell'Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, Italy.
| | - Livia Malorni
- Istituto di Scienze dell'Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, Italy.
| | - Vincenzo De Feo
- Dipartimento di Farmacia, Università di Salerno, Via Giovanni Paolo II, 132, Fisciano, 84084 Salerno, Italy.
| | - Adriano G Cruz
- Instituto Federal de Educação, Ciência e Tecnologia di Rio de Janeiro (IFRJ), Departamento de Alimentos, Rio de Janeiro 20270-021, Brazil.
| | - Antonio d'Acierno
- Istituto di Scienze dell'Alimentazione-Consiglio Nazionale delle Ricerche (CNR-ISA), Via Roma 64, 83100 Avellino, Italy.
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