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Mangraviti D, Cafarella C, Rigano F, Dugo P, Mondello L. Direct analysis in real time of high-quality extra virgin olive oils for the rapid and automatic identification of origin trademark. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:7643-7652. [PMID: 37421605 DOI: 10.1002/jsfa.12842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 07/06/2023] [Accepted: 07/08/2023] [Indexed: 07/10/2023]
Abstract
BACKGROUND Following our previous research on the differentiation of Italian extra virgin olive oils (EVOOs) by rapid evaporative ionization mass spectrometry coupled to a tandem high resolution mass analyser, the present study deals with the evaluation of another direct mass spectrometry (direct-MS) approach for the rapid and automatic discrimination of EVOOs. In particular, direct analysis in real time (DART-MS) was explored as an ambient MS (AMS) source for the building of a top-quality Italian EVOOs database and fast identification of unknown samples. A single quadrupole detector (QDa) was coupled with DART, taking advantage of a cost-saving, user-friendly and less sophisticated instrumental setup. Particularly, quickstrip cards, located on a moving rail holder, were employed, allowing for the direct analysis of 12 EVOO spots in a total analysis time of 6 min. The aim was to develop a reliable statistical model by applying principal component and linear discriminant analyses to clusterize and classify EVOOs according to geographical origin and cultivar, as main factors determining their nutritional and sensory profiles. RESULTS Satisfactory results were achieved in terms of identification reliability of unknown EVOOs, as well as false positive risk, thus confirming that the use of AMS combined with chemometrics is a powerful tool against fraudulent activities, without the need for mass accuracy data, which would increase the analysis cost. CONCLUSION A DART ionization source with a compact and reliable QDa MS analyser allowed for rapid fingerprinting analysis. Furthermore, MS spectra provided quali-quantitative information successfully related to EVOO differentiation. © 2023 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)
- Domenica Mangraviti
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Cinzia Cafarella
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Francesca Rigano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Paola Dugo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
- Department of Sciences and Technologies for Human and Environment, University Campus Bio-Medico of Rome, Rome, Italy
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Ansar A, Ahmad N, Albqmi M, Saleem M, Ali H. Thermal Effects on the Quality Parameters of Extra Virgin Olive Oil Using Fluorescence Spectroscopy. J Fluoresc 2023; 33:1749-1760. [PMID: 36826729 DOI: 10.1007/s10895-023-03186-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/15/2023] [Indexed: 02/25/2023]
Abstract
Extra virgin olive oil is one of the superlative due to its health benefits. In this work, the Fluorescence spectra of extra virgin olive oil (EVOO) from different olive growing regions of Pakistan and Al-Jouf region from the Kingdom of Saudi Arabia (KSA) were obtained. The emission bands depicted relative intensity variations in all non-heated and heated EVOO samples. Prominent emission bands at 385, 400, 435 and 470 nm represent oxidized products of fatty acids, bands at 520 and 673 nm has been assigned to beta carotene and chlorophyll isomers respectively. All EVOO samples collected from Al-Jouf region, KSA and from Pakistan (Loralai Baluchistan, Barani Agricultural Research Institute, Chakwal and Morgha Biodiversity Park, Rawalpindi) regions showed thermal stability. Other EVOO samples from Chaman Baluchistan and one sample from wild specie (Baluchistan) bought directly from farmers showed denatured spectra even without heating. Chemical characteristics of all EVOO samples changed significantly at 200 °C. Relatively, EVOO samples from Al-Jouf showed more thermal stability which might be due to geographical distribution, environmental effects, genetic background and processing or storage conditions. These results demonstrated fluorescence spectroscopy as a quick, cost-effective and reliable approach to assess the quality and thermal stability of EVOO. These characteristics of fluorescence spectroscopy may lead to the development of portable device for the onsite monitoring of EVOO.
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Affiliation(s)
- Areeba Ansar
- National Institute of Lasers and Optronics College, Pakistan Institute of Engineering and Applied Sciences, Nilore, 45650, Islamabad, Pakistan
- Department of Physics, Mirpur University of Science and Technology (MUST), Mirpur, 10250, Azad Jammu and Kashmir, Pakistan
| | - Naveed Ahmad
- Department of Physics, Mirpur University of Science and Technology (MUST), Mirpur, 10250, Azad Jammu and Kashmir, Pakistan.
| | - Mha Albqmi
- Chemistry Department, College of Science and Arts, Jouf University, Alqurayyat, Saudi Arabia
| | - Muhammad Saleem
- National Institute of Lasers and Optronics College, Pakistan Institute of Engineering and Applied Sciences, Nilore, 45650, Islamabad, Pakistan
| | - Hina Ali
- National Institute of Lasers and Optronics College, Pakistan Institute of Engineering and Applied Sciences, Nilore, 45650, Islamabad, Pakistan
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Blasi F, Ianni F, Mangiapelo L, Pinna N, Cossignani L. In vitro anti-obesity activity by pancreatic lipase inhibition - Simple HPLC approach using EVOO as natural substrate. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:2786-2793. [PMID: 36583522 DOI: 10.1002/jsfa.12417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 11/28/2022] [Accepted: 12/30/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Pancreatic lipase (PL) is a key lipolytic enzyme in humans for the digestion and absorption of dietary fats. Thereby, PL is a well-recognized target in the management of obesity and its inhibition attracts the interest of researchers globally. The screening of new natural PL inhibitors as alternative strategy to the synthesis of chemical ones represents nowadays a hot topic in research. The main challenge in this matter is the lack of a universal analytical method allowing the monitoring of PL activity and the reliable quantification of lipid digestion products. RESULTS The (normal phase)-high-performance liquid chromatography-evaporative light scattering detector [(NP)-HPLC-ELSD] method proposed in this work represents a direct and rapid strategy to simultaneously quantify the products obtained from in vitro PL digestion. As one of the main novelties, the triacylglycerol (TAG) fraction from extra-virgin olive oil was selected as natural substrate. The PL activity was measured by monitoring the levels of remaining TAGs and formed free fatty acids (FFAs), using Orlistat as known inhibitor. The method validation confirmed the adequacy of the analytical method for quantitative purposes, showing high recovery percentage values (between 99% and 103%) and low relative standard deviation (RSD%) values (between 2% and 7%) for triolein and oleic acid standard solutions, as well as appreciably low limit of detection (LOD) and limit of quantification (LOQ) values (respectively 58 and 177 ng mL-1 for triolein; 198 and 602 ng mL-1 for oleic acid). Finally, the developed HPLC-ELSD method was successfully applied to evaluate the inhibitory effect of a polyphenolic extract obtained from apple pomace. The results showed a comparable inhibition degree between a 4.0 mg mL-1 apple pomace solution and a 1.0 μg mL-1 Orlistat solution. CONCLUSION The proposed innovative method reveals highly sensitive and simple to follow the fate of PL digestion, thus opening the way to further investigations in the research of new potentially anti-obesity compounds. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Francesca Blasi
- Department of Pharmaceutical Sciences, University of Perugia, Perugia, Italy
| | - Federica Ianni
- Department of Pharmaceutical Sciences, University of Perugia, Perugia, Italy
| | - Luciano Mangiapelo
- Department of Pharmaceutical Sciences, University of Perugia, Perugia, Italy
| | - Nicola Pinna
- Department of Pharmaceutical Sciences, University of Perugia, Perugia, Italy
| | - Lina Cossignani
- Department of Pharmaceutical Sciences, University of Perugia, Perugia, Italy
- Center for Perinatal and Reproductive Medicine, Santa Maria della Misericordia University Hospital, University of Perugia, Perugia, Italy
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Mariotti R, Núñez-Carmona E, Genzardi D, Pandolfi S, Sberveglieri V, Mousavi S. Volatile Olfactory Profiles of Umbrian Extra Virgin Olive Oils and Their Discrimination through MOX Chemical Sensors. SENSORS (BASEL, SWITZERLAND) 2022; 22:7164. [PMID: 36236259 PMCID: PMC9572317 DOI: 10.3390/s22197164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/12/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
Extra virgin olive oil (EVOO) is the best vegetable oil worldwide but, at the same time, is one of the product victims of fraud in the agri-food sector, and the differences about quality within the extra-virgin olive oil category are often missed. Several scientific techniques were applied in order to guarantee the authenticity and quality of this EVOO. In the present study, the volatile compounds (VOCs) by gas chromatography-mass spectrometry with solid-phase micro-extraction detection (GC-MS SPME), organoleptic analysis by the official Slow Food panel and the detection by a Small Sensor System (S3) were applied. Ten EVOOs from Umbria, a central Italian region, were selected from the 2021 Slow Food Italian extra virgin olive oil official guide, which includes hundreds of high-quality olive oils. The results demonstrated the possibility to discriminate the ten EVOOs, even if they belong to the same Italian region, by all three techniques. The result of GC-MS SPME detection was comparable at the discrimination level to the organoleptic test with few exceptions, while the S3 was able to better separate some EVOOs, which were not discriminated perfectly by the other two methods. The correlation analysis performed among and between the three methodologies allowed us to identify 388 strong associations with a p value less than 0.05. This study has highlighted how much the mix of VOCs was different even among few and localized EVOOs. The correlation with the sensor detection, which is faster and chipper compared to the other two techniques, elucidated the similarities and discrepancies between the applied methods.
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Affiliation(s)
- Roberto Mariotti
- Institute of Biosciences and Bioresources, National Research Council, 06128 Perugia, Italy
| | - Estefanía Núñez-Carmona
- Institute of Biosciences and Bioresources, National Research Council, URT-Reggio Emilia, Via J. F. Kennedy 17/I, 42124 Reggio Emilia, Italy
| | - Dario Genzardi
- Institute of Biosciences and Bioresources, National Research Council, URT-Reggio Emilia, Via J. F. Kennedy 17/I, 42124 Reggio Emilia, Italy
| | - Saverio Pandolfi
- Institute of Biosciences and Bioresources, National Research Council, 06128 Perugia, Italy
| | - Veronica Sberveglieri
- Institute of Biosciences and Bioresources, National Research Council, URT-Reggio Emilia, Via J. F. Kennedy 17/I, 42124 Reggio Emilia, Italy
| | - Soraya Mousavi
- Institute of Biosciences and Bioresources, National Research Council, 06128 Perugia, Italy
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Cecchi L, Migliorini M, Giambanelli E, Cane A, Zanoni B, Canuti V, Mulinacci N, Melani F. Is the volatile compounds profile a suitable tool for authentication of virgin olive oils (Olea europaea L.) according to cultivars? A study by using HS-SPME-GC-MS and chemometrics. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Klisović D, Novoselić A, Lukić I, Brkić Bubola K. Extra virgin olive oil under simulated consumption conditions: Evaluation of quality, health, and flavour properties. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104570] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Maria Pellegrino R, Ianni F, Blasi F, Angelini P, Emiliani C, Venanzoni R, Cossignani L. Lipidomic profiling of Pleurotus ostreatus by LC/MS Q-TOF analysis. Food Res Int 2022; 156:111335. [DOI: 10.1016/j.foodres.2022.111335] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/29/2022] [Accepted: 04/30/2022] [Indexed: 11/27/2022]
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Golimowski W, Teleszko M, Marcinkowski D, Kmiecik D, Grygier A, Kwaśnica A. Quality of Oil Pressed from Hemp Seed Varieties: 'Earlina 8FC', 'Secuieni Jubileu' and 'Finola'. Molecules 2022; 27:3171. [PMID: 35630648 PMCID: PMC9144401 DOI: 10.3390/molecules27103171] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 11/17/2022] Open
Abstract
In the last decade, the demand for edible niche oils has increased. Therefore, the aim of this study was to characterize the seeds hemp (Cannabis sativa L.) varieties: 'Finola' (FIN-314)', 'Earlina 8FC', and 'Secuieni Jubileu', and cold and hot pressed oils were prepared from each seed. The seeds were examined for moisture content, granulometric distribution, bulk density, and fat content. Seeds were pressed without and with preconditioning (60 °C), and oil yield and pressing time were recorded. The oil was filtered through cellulose membranes. Oil-water content, oil color, fatty acid profile, and sterol content were studied. From the study conducted, there are significant differences in the parameters of oil recovery and its quality compared to 'Finola' seed oil, which is widely reported in the literature. 'Finola' oil yield was the lowest, with an average of 79% compared to 'Earlina' (82%) and 'S. Jubileu' (84%). All oil samples contained a comparable amount of sterols, with campesterol (0.32 mg/g), β-sitosterol (1.3 mg/g) and Δ5-avenasterol (0.15 mg/g) predominating. From the organoleptic evaluation, it was evident that both varieties hemp oils and marc ('Earlina' and 'S. Jubileu') were not bitter like the "Finola" oil and marc. More detailed studies in this direction have to be undertaken.
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Affiliation(s)
- Wojciech Golimowski
- Department of Agroengineering and Quality Analysis, Faculty of Engineering and Economics, Wroclaw University of Economics and Business, Komandorska 180/120, 53-345 Wrocław, Poland;
| | - Mirosława Teleszko
- Department of Food Technology and Nutrition, Faculty of Production Engineering, Wroclaw University of Economics and Business, Komandorska 118/120, 53-345 Wrocław, Poland;
| | - Damian Marcinkowski
- Department of Agroengineering and Quality Analysis, Faculty of Engineering and Economics, Wroclaw University of Economics and Business, Komandorska 180/120, 53-345 Wrocław, Poland;
| | - Dominik Kmiecik
- Department of Food Technology of Plant Origin, Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznan, Poland; (D.K.); (A.G.)
| | - Anna Grygier
- Department of Food Technology of Plant Origin, Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznan, Poland; (D.K.); (A.G.)
| | - Andrzej Kwaśnica
- Department of Food Chemistry and Biocatalysis, Wroclaw University of Life Sciences, C.K. Norwida Street 25, 50-375 Wrocław, Poland;
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10
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Tomé-Rodríguez S, Ledesma-Escobar CA, Penco-Valenzuela JM, Priego-Capote F. Influence of the fatty acid profile on the volatile components of virgin olive oil subjected to thermal stress. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:4829-4837. [PMID: 33502792 DOI: 10.1002/jsfa.11129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 01/25/2021] [Accepted: 01/27/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Virgin olive oil (VOO) is greatly appreciated for its organoleptic features, which can be ascribed mainly to the presence of very chemically diverse volatile components. It is well known that the VOO volatile fraction depends strongly on different aspects, which encompass genetic, agronomic, processing, and post-processing factors. In this research, we developed a method for the qualitative and semiquantitative determination of volatile components in VOOs subjected to thermal stress by headspace extraction online coupled to gas chromatography-mass spectrometry (HS-GC-MS). RESULTS The method was applied to 100 extra-virgin olive oil (EVOO) samples, which led to the tentative identification of 52 volatile components, including 12 alcohols, 17 aldehydes, three ketones, one ether, two furans, two carboxylic acids, and 15 hydrocarbons. The method was used to study the cultivar effect and the main biochemical pathways involved in the synthesis of volatile compounds, with special emphasis on those formed by degradation of unsaturated fatty acids (FAs). Principal component analysis (PCA), explaining 76.7% of the total variability, showed that the volatile profile of EVOOs subjected to thermal stress allowed discriminating samples from different cultivars. CONCLUSION Volatiles detected in EVOOs subjected to thermal stress with the highest contribution to discrimination between the selected cultivars were correlated with the concentration of the three main FAs in VOO, namely oleic, linoleic, and linolenic acids. The FA profile seems to be especially relevant to explain the concentration of certain volatile compounds with direct incidence on the organoleptic properties. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Sonia Tomé-Rodríguez
- Maimónides Institute for Biomedical Research (IMIBIC), Reina Sofía University Hospital, Córdoba, Spain
- Department of Analytical Chemistry, University of Córdoba, Córdoba, Spain
- Nanochemistry University Institute (IUNAN), Campus of Rabanales, University of Córdoba, Córdoba, Spain
- CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Carlos III Health Institute, Madrid, Spain
| | - Carlos A Ledesma-Escobar
- Maimónides Institute for Biomedical Research (IMIBIC), Reina Sofía University Hospital, Córdoba, Spain
- Department of Analytical Chemistry, University of Córdoba, Córdoba, Spain
- Nanochemistry University Institute (IUNAN), Campus of Rabanales, University of Córdoba, Córdoba, Spain
- CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Carlos III Health Institute, Madrid, Spain
| | - José M Penco-Valenzuela
- Spanish Association of Olive Producing Municipalities (AEMO), Campus Alameda del Obispo, Córdoba, Spain
| | - Feliciano Priego-Capote
- Maimónides Institute for Biomedical Research (IMIBIC), Reina Sofía University Hospital, Córdoba, Spain
- Department of Analytical Chemistry, University of Córdoba, Córdoba, Spain
- Nanochemistry University Institute (IUNAN), Campus of Rabanales, University of Córdoba, Córdoba, Spain
- CIBER Fragilidad y Envejecimiento Saludable (CIBERFES), Carlos III Health Institute, Madrid, Spain
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Improvement for Oxidative Stability and Sensory Properties of Sunflower Oil Flavored by Huai Chrysanthemum × morifolium Ramat. Essential Oil during Accelerated Storage. Processes (Basel) 2021. [DOI: 10.3390/pr9071199] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Flavored oils, as one of the most important condiments in cuisine, are widely used in vegetable oils all over the world. The oxidative stability and sensory qualities of sunflower oil, flavored by essential oil obtained from Chrysanthemum × morifolium Ramat. (HCEO) extraction, were studied. After the accelerated storage at 65 °C for 30 days, HCEO (1600 mg/kg) was able to markedly inhibit the increase in some important indicators of lipid alteration, among which acidity, peroxide, ρ-anisidine and total oxidation values, together with other parameters (thiobarbituric acid reactive substances, conjugated dienes and trienes). Finally, it was observed that the sunflower oil flavored by HCEO (1600 mg/kg) restrain the modifications of fatty acid compositions and showed improved sensory properties in respect to non-added oil. Consequently, HCEO can be considered a valid additive for flavored vegetable oils with antioxidant effects.
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Authentication of the Botanical and Geographical Origin and Detection of Adulteration of Olive Oil Using Gas Chromatography, Infrared and Raman Spectroscopy Techniques: A Review. Foods 2021; 10:foods10071565. [PMID: 34359435 PMCID: PMC8306465 DOI: 10.3390/foods10071565] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/01/2021] [Accepted: 07/02/2021] [Indexed: 01/18/2023] Open
Abstract
Olive oil is among the most popular supplements of the Mediterranean diet due to its high nutritional value. However, at the same time, because of economical purposes, it is also one of the products most subjected to adulteration. As a result, authenticity is an important issue of concern among authorities. Many analytical techniques, able to detect adulteration of olive oil, to identify its geographical and botanical origin and consequently guarantee its quality and authenticity, have been developed. This review paper discusses the use of infrared and Raman spectroscopy as candidate tools to examine the authenticity of olive oils. It also considers the volatile fraction as a marker to distinguish between different varieties and adulterated olive oils, using SPME combined with gas chromatography technique.
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Safe and Fast Fingerprint Aroma Detection in Adulterated Extra Virgin Olive Oil Using Gas Chromatography–Olfactometry-Mass Spectrometry Combined with Chemometrics. FOOD ANAL METHOD 2021. [DOI: 10.1007/s12161-021-02034-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Vyviurska O, Koljančić N, Thai HA, Gorovenko R, Špánik I. Classification of Botrytized Wines Based on Producing Technology Using Flow-Modulated Comprehensive Two-Dimensional Gas Chromatography. Foods 2021; 10:foods10040876. [PMID: 33923559 PMCID: PMC8074103 DOI: 10.3390/foods10040876] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/01/2021] [Accepted: 04/15/2021] [Indexed: 11/30/2022] Open
Abstract
The enantiomeric ratio of chiral compounds is known as a useful tool to estimate wine quality as well as observe an influence of wine-producing technology. The incorporation of flow-modulated comprehensive two-dimensional gas chromatography in this type of analysis provides a possibility to improve the quality of results due to the enhancement of separation capacity and resolution. In this study, flow-modulated comprehensive two-dimensional gas chromatography was incorporated in enantioselective analysis to determine the influence of winemaking technology on specific features of botrytized wines. The samples included Tokaj essences (high-sugar wines), Tokaj botrytized wines and varietal wines (Furmint, Muscat Lunel, Lipovina) and wines maturated on grape peels. The obtained data was processed with hierarchic cluster analysis to reveal variations in composition and assess classification ability for botrytized wines. A significant difference between the samples was observed for the enantiomeric distribution of ethyl lactate and presence of monoterpene alcohols. The varietal wines were successfully separated from the other types, which showed more similar results and could be divided with additional parameters. We observed a correlation between the botrytized wines and the varietal wines fermented with grape skins. As to the essences produced from juice of botrytized grapes, the results were quite similar to those of the botrytized wines, even though monoterpenes were not detected in the extracts.
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Boskou D, Clodoveo ML. Olive Oil: Processing Characterization, and Health Benefits. Foods 2020; 9:foods9111612. [PMID: 33172043 PMCID: PMC7694685 DOI: 10.3390/foods9111612] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 11/05/2020] [Indexed: 12/25/2022] Open
Abstract
The Mediterranean diet is now well known worldwide and recognized as a nutrition reference model by the World Health Organization. Virgin olive oil, prepared from healthy and intact fruits of the olive tree only by mechanical means, is a basic ingredient, a real pillar of this diet. Its positive role in health has now been a topic of universal concern. The virtues of natural olive oil, and especially of extra virgin olive oil, are related to the quality of the fruits, the employment of advanced technologies, and the availability of sophisticated analytical techniques that are used to control the origin of the fruits and guarantee the grade of the final product. With the aim of enriching the recent multidisciplinary scientific information that orbits around this healthy lipid source, a new special issue of Foods journal has been published.
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Affiliation(s)
- Dimitrios Boskou
- School of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
- Correspondence: (D.B.); (M.L.C.)
| | - Maria Lisa Clodoveo
- Interdisciplinary Department of Medicine, University of Bari, 70121 Bari, Italy
- Correspondence: (D.B.); (M.L.C.)
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Serrano A, Rosa R, Sánchez‐Ortiz A, León L. Genetic and Environmental Effect on Volatile Composition of Extra Virgin Olive Oil. EUR J LIPID SCI TECH 2020. [DOI: 10.1002/ejlt.202000162] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Alicia Serrano
- The Institute of Agricultural and Fishery Research and Training (IFAPA) “Alameda del Obispo” Center Avda. Menéndez Pidal s/n Córdoba 14004 Spain
| | - Raúl Rosa
- The Institute of Agricultural and Fishery Research and Training (IFAPA) “Alameda del Obispo” Center Avda. Menéndez Pidal s/n Córdoba 14004 Spain
| | - Araceli Sánchez‐Ortiz
- The Institute of Agricultural and Fishery Research and Training (IFAPA) “Venta del Llano” Center Ctra. Bailén‐Motril km 18.5 Mengíbar Jaén 23620 Spain
| | - Lorenzo León
- The Institute of Agricultural and Fishery Research and Training (IFAPA) “Alameda del Obispo” Center Avda. Menéndez Pidal s/n Córdoba 14004 Spain
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Blasi F. Meet Our Editorial Board Member. CURRENT NUTRITION & FOOD SCIENCE 2020. [DOI: 10.2174/157340131608200824122415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Quality parameters, chemical compositions and antioxidant activities of Calabrian (Italy) monovarietal extra virgin olive oils from autochthonous (Ottobratica) and allochthonous (Coratina, Leccino, and Nocellara Del Belice) varieties. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2020. [DOI: 10.1007/s11694-020-00640-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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An Overview of Natural Extracts with Antioxidant Activity for the Improvement of the Oxidative Stability and Shelf Life of Edible Oils. Processes (Basel) 2020. [DOI: 10.3390/pr8080956] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Many plant materials, such as fruits and vegetables as well as herbs and spices, represent valuable sources of antioxidants. In recent years, wastes from agriculture and food industrial processes have been shown to be interesting sources for bioactive compound recovery, strongly contributing to the circular economy. Nowadays, because of their possible adverse effects on human health, there is a tendency to replace synthetic antioxidants with natural compounds. This review attempts to critically summarize the current evidence on plant bioactives, extracted from food or waste, added to unsaturated vegetable oils, in order to obtain high added-value products and to ameliorate their oxidative stability and shelf life. The goal of this review is to demonstrate the current status of the research on edible oils added with natural plant bioactives, highlighting new approaches in the field of health-promoting foods.
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20
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Ch R, Chevallier O, McCarron P, McGrath TF, Wu D, Nguyen Doan Duy L, Kapil AP, McBride M, Elliott CT. Metabolomic fingerprinting of volatile organic compounds for the geographical discrimination of rice samples from China, Vietnam and India. Food Chem 2020; 334:127553. [PMID: 32688177 DOI: 10.1016/j.foodchem.2020.127553] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/01/2020] [Accepted: 07/08/2020] [Indexed: 02/06/2023]
Abstract
Rice is one of the most important cereals for human nutrition and is a basic staple food for half of the global population. The assessment of rice geographical origins in terms of its authenticity is of great interest to protect consumers from misleading information and fraud. In the present study, a head space gas chromatography mass spectrometry (HS-GC-MS) strategy for characterising volatile organic compounds (VOCs) profiles to distinguish rice samples from China, India and Vietnam is described. Partial Least Square Discriminant Analysis (PLS-DA) model exhibited a good discrimination (R2 = 0.98182, Q2 = 0.9722, and Accuracy = 1.0) for rice samples from China, India and Vietnam. Moreover, Data-Driven Soft Independent Modelling of Class Analogy (DD-SIMCA) and K-nearest neighbors shown good specificity 100% and accuracy 100% in identifying the origin of samples. The present study established VOC fingerprinting as a highly efficient approach to identify the geographical origin of rice.
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Affiliation(s)
- Ratnasekhar Ch
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, United Kingdom, BT9 5DL; ASSET Lab, Queen's University Belfast, United Kingdom, BT9 5DL.
| | - Olivier Chevallier
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, United Kingdom, BT9 5DL; ASSET Lab, Queen's University Belfast, United Kingdom, BT9 5DL
| | - Philip McCarron
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, United Kingdom, BT9 5DL; ASSET Lab, Queen's University Belfast, United Kingdom, BT9 5DL
| | - Terence F McGrath
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, United Kingdom, BT9 5DL; ASSET Lab, Queen's University Belfast, United Kingdom, BT9 5DL
| | - Di Wu
- Yangtze Delta Region Institute of Tsinghua University, Zhejiang, China
| | | | | | | | - Christopher T Elliott
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, United Kingdom, BT9 5DL; ASSET Lab, Queen's University Belfast, United Kingdom, BT9 5DL
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21
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Di Lecce G, Piochi M, Pacetti D, Frega NG, Bartolucci E, Scortichini S, Fiorini D. Eleven Monovarietal Extra Virgin Olive Oils from Olives Grown and Processed under the Same Conditions: Effect of the Cultivar on the Chemical Composition and Sensory Traits. Foods 2020; 9:foods9070904. [PMID: 32660116 PMCID: PMC7404457 DOI: 10.3390/foods9070904] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 06/26/2020] [Accepted: 07/06/2020] [Indexed: 01/18/2023] Open
Abstract
Eleven Italian monovarietal extra virgin olive oils (MEVOOs) (Carboncella, Coratina, Frantoio, Leccino, Marzio, Maurino, Moraiolo, Piantone di Falerone, Pendolino, Rosciola, Sargano di Fermo) from olives grown in the same experimental olive orchard, under the same conditions (fertilization, irrigation), and processed with the same technology (three-way continuous plant) were investigated. As a result, the impact of the olive cultivar on fatty acid and triacylglycerols composition, oxidative stability, polar phenolic profile and sensory properties (panel test) of the oil was assessed. Pendolino, Maurino and Marzio oils presented the highest levels (p < 0.01) of palmitic, linoleic and linolenic acids % and the lowest oleic:linoleic ratio. Within triacylglycerols, triolein (OOO) strongly varied among the oils, with Coratina and Leccino having the highest content. Frantoio showed the lowest 1-Stearoyl-2-palmitoyl-3-oleylglycerol and 1,3-Distearoyl-2-oleylglycerol amounts. Rosciola showed the highest level (p < 0.01) for two of the most abundant secoiridoid derivatives (the dialdehydic forms of decarboxymethyl elenolic acid linked to hydroxytyrosol and tyrosol). A good correlation was found between total phenolic content and oxidative stability, indicating Marzio and Leccino respectively as the richest and poorest genotypes. Sensory variability among varieties was mainly linked to perceived bitterness, pungency and fruitiness, while no effects were found on secondary flavors.
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Affiliation(s)
- Giuseppe Di Lecce
- Independent Researcher, Expert in Food Science and Technology, 26100 Cremona, Italy;
| | - Maria Piochi
- University of Gastronomic Sciences, Piazza Vittorio Emanuele 9, 12042 Pollenzo, Italy;
| | - Deborah Pacetti
- Department of Agricultural, Food, and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, I-60131 Ancona, Italy; (N.G.F.); (E.B.)
- Correspondence: ; Tel.: +39-07-1220-4307
| | - Natale G. Frega
- Department of Agricultural, Food, and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, I-60131 Ancona, Italy; (N.G.F.); (E.B.)
| | - Edoardo Bartolucci
- Department of Agricultural, Food, and Environmental Sciences, Polytechnic University of Marche, Via Brecce Bianche, I-60131 Ancona, Italy; (N.G.F.); (E.B.)
| | - Serena Scortichini
- School of Science and Technology, Chemistry Division, University of Camerino, V.S. Agostino 1, I-62032 Camerino, Italy; (S.S.); (D.F.)
| | - Dennis Fiorini
- School of Science and Technology, Chemistry Division, University of Camerino, V.S. Agostino 1, I-62032 Camerino, Italy; (S.S.); (D.F.)
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22
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Lipid Profiling and Stable Isotopic Data Analysis for Differentiation of Extra Virgin Olive Oils Based on Their Origin. Molecules 2019; 25:molecules25010004. [PMID: 31861325 PMCID: PMC6982832 DOI: 10.3390/molecules25010004] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/03/2019] [Accepted: 12/11/2019] [Indexed: 01/01/2023] Open
Abstract
To differentiate extra virgin olive oils (EVOO) according to the origin of purchase, such as monocultivar Italian EVOO with protected denomination of origin (PDO) and commercially-blended EVOO purchased in supermarkets, a number of samples was subjected to the analysis of various lipid species by liquid chromatography/mass spectrometry (LC-ESI-MS/MS, LC-ESI-IT-MS) and proton nuclear magnetic resonance analysis (1H-NMR). Many putative chemical markers were extracted as differentiators by uni- and multivariate statistical analysis. Commercially-blended EVOO contained higher concentrations of the majority of minor lipids, including free fatty acids, their alkyl (methyl and ethyl) esters, monoglycerides, and diglycerides, which may be indicative of a higher degree of triglyceride lipolysis in these than in monocultivar PDO EVOO. Triterpenoids and particular TAG species were also found in higher proportions in the samples from the commercially-blended EVOO class, suggesting a possible influence of factors such as the cultivar and geographical origin. The largest differences between the classes were determined for the concentrations of uvaol and oleanolic acid. The results of the analysis by isotopic ratio mass spectrometry (IRMS) were reasonably consistent with the information about the geographical origin declared on the labels of the investigated EVOOs, showing considerable variability, which possibly also contributed to the differences in lipid composition observed between the two investigated classes of EVOO.
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23
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Lukić I, Lukić M, Žanetić M, Krapac M, Godena S, Brkić Bubola K. Inter-Varietal Diversity of Typical Volatile and Phenolic Profiles of Croatian Extra Virgin Olive Oils as Revealed by GC-IT-MS and UPLC-DAD Analysis. Foods 2019; 8:foods8110565. [PMID: 31717549 PMCID: PMC6915403 DOI: 10.3390/foods8110565] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/03/2019] [Accepted: 11/06/2019] [Indexed: 12/14/2022] Open
Abstract
Despite having an interesting native olive gene pool and a rapidly emerging olive oil industry, monovarietal extra virgin olive oils (EVOO) from Croatia are relatively unexplored. To investigate the inter-varietal diversity of typical volatile and phenolic profiles of Croatian EVOO, 93 samples from six olive (Olea europaea L.) varieties were subjected to gas chromatography-ion trap mass spectrometry (GC-IT-MS) and ultra-performance liquid chromatography with diode array detection (UPLC-DAD), respectively. Quantitative descriptive sensory analysis was also performed. Analysis of variance extracted many relevant exclusive or partial discriminators between monovarietal EVOOs among the identified volatile compounds and phenols. Successful differentiation model with a 100% correct classification was built by linear discriminant analysis, while the most typical volatiles for each monovarietal EVOO were confirmed by partial least squares discriminant analysis. Diverse typical sensory attributes among the EVOOs were tentatively ascribed to the variations in the composition of volatiles and phenols. It was proven that the approach that comprises GC-IT-MS and UPLC-DAD analysis may provide additional objective information about varietal origin and typicity which successfully complement those obtained by sensory analysis. The approach was characterized as universal in nature, with a significant potential to contribute in strengthening the varietal identities and position on the market of monovarietal and Protected Denomination of Origin (PDO) EVOO.
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Affiliation(s)
- Igor Lukić
- Institute of Agriculture and Tourism, Karla Huguesa 8, HR-52440 Poreč, Croatia; (M.L.); (M.K.); (S.G.); (K.B.B.)
- Centre of Excellence for Biodiversity and Molecular Plant Breeding, Svetošimunska 25, HR-10000 Zagreb, Croatia
- Correspondence: ; Tel.: +385-52-408-327
| | - Marina Lukić
- Institute of Agriculture and Tourism, Karla Huguesa 8, HR-52440 Poreč, Croatia; (M.L.); (M.K.); (S.G.); (K.B.B.)
| | - Mirella Žanetić
- Institute for Adriatic Crops and Karst Reclamation, Put Duilova 11, HR-21000 Split, Croatia;
| | - Marin Krapac
- Institute of Agriculture and Tourism, Karla Huguesa 8, HR-52440 Poreč, Croatia; (M.L.); (M.K.); (S.G.); (K.B.B.)
| | - Sara Godena
- Institute of Agriculture and Tourism, Karla Huguesa 8, HR-52440 Poreč, Croatia; (M.L.); (M.K.); (S.G.); (K.B.B.)
| | - Karolina Brkić Bubola
- Institute of Agriculture and Tourism, Karla Huguesa 8, HR-52440 Poreč, Croatia; (M.L.); (M.K.); (S.G.); (K.B.B.)
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24
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Olmo-García L, Polari JJ, Li X, Bajoub A, Fernández-Gutiérrez A, Wang SC, Carrasco-Pancorbo A. Study of the minor fraction of virgin olive oil by a multi-class GC–MS approach: Comprehensive quantitative characterization and varietal discrimination potential. Food Res Int 2019; 125:108649. [DOI: 10.1016/j.foodres.2019.108649] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 08/24/2019] [Accepted: 08/25/2019] [Indexed: 01/18/2023]
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25
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Pollini L, Rocchi R, Cossignani L, Mañes J, Compagnone D, Blasi F. Phenol Profiling and Nutraceutical Potential of Lycium spp. Leaf Extracts Obtained with Ultrasound and Microwave Assisted Techniques. Antioxidants (Basel) 2019; 8:antiox8080260. [PMID: 31370335 PMCID: PMC6721263 DOI: 10.3390/antiox8080260] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 07/25/2019] [Accepted: 07/29/2019] [Indexed: 11/23/2022] Open
Abstract
In recent years, agricultural and industrial residues have attracted a lot of interest in the recovery of phytochemicals used in the food, pharmaceutical, and cosmetic industries. In this paper, a study on the recovery of phenol compounds from Lycium spp. leaves is presented. Ultrasound-assisted extraction (UAE) and microwave-assisted extraction (MAE) have been used with alcoholic and hydroalcoholic solvents. Methanolic UAE was the most successful technique for extracting phenols from Lycium leaves, and we used on leaves from L. barbarum and L. chinense cultivated in Italy. The extracts were then characterized as regards to the antioxidant properties by in vitro assays and the phenol profiling by a high performance liquid chromatography-diode array detector (HPLC-DAD). Chlorogenic acid and rutin were the main phenol compounds, but considerable differences have been observed between the samples of the two Lycium species. For example, cryptochlorogenic acid was found only in L. barbarum samples, while quercetin-3-O-rutinoside-7-O-glucoside and quercetin-3-O-sophoroside-7-O-rhamnoside only in L. chinense leaves. Finally, multivariate statistical analysis techniques applied to the phenol content allowed us to differentiate samples from different Lycium spp. The results of this study confirm that the extraction is a crucial step in the analytical procedure and show that Lycium leaves represent an interesting source of antioxidant compounds, with potential use in the nutraceutical field.
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Affiliation(s)
- Luna Pollini
- Department of Pharmaceutical Sciences, Section of Food Science and Nutrition, University of Perugia, via San Costanzo, 06126 Perugia, Italy
| | - Rachele Rocchi
- Faculty of Bioscience and Technologies for Food, Agriculture and Environment, University of Teramo, via Renato Balzarini 1, 64100 Teramo, Italy
| | - Lina Cossignani
- Department of Pharmaceutical Sciences, Section of Food Science and Nutrition, University of Perugia, via San Costanzo, 06126 Perugia, Italy.
| | - Jordi Mañes
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, Burjassot, 46100, Spain
| | - Dario Compagnone
- Faculty of Bioscience and Technologies for Food, Agriculture and Environment, University of Teramo, via Renato Balzarini 1, 64100 Teramo, Italy
| | - Francesca Blasi
- Department of Pharmaceutical Sciences, Section of Food Science and Nutrition, University of Perugia, via San Costanzo, 06126 Perugia, Italy
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26
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Montesano D, Rocchetti G, Cossignani L, Senizza B, Pollini L, Lucini L, Blasi F. Untargeted Metabolomics to Evaluate the Stability of Extra-Virgin Olive Oil with Added Lycium barbarum Carotenoids during Storage. Foods 2019; 8:E179. [PMID: 31141920 PMCID: PMC6616970 DOI: 10.3390/foods8060179] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 05/21/2019] [Accepted: 05/23/2019] [Indexed: 01/02/2023] Open
Abstract
A carotenoid-rich extract from Lycium barbarum L. was added to extra virgin olive oil (EVOO), obtaining a carotenoid-enriched oil (EVOOCar). The oxidative stability of EVOO and EVOOCar was evaluated during long-term storage of 28 weeks at room temperature, by measuring some classical parameters (acidity and peroxide values, spectrophotometric coefficients, fatty acid composition) and the content of minor compounds (i.e., α-tocopherol and lutein). At the end of the storage, higher content (p < 0.01) of α-tocopherol in EVOOCar in respect to EVOO were observed. Zeaxanthin dipalmitate, the most abundant carotenoid compound of Goji berries, decreased slightly (p < 0.05) in EVOOCar until the end of the storage. In regard to polyphenols, an ultra-high-performance liquid chromatography coupled to quadrupole time-of-flight mass spectrometry (UHPLC/QTOF-MS) using untargeted metabolomics was carried out. This latter approach discriminated the two oil samples during long-term storage, allowing to identify also the phenolic classes most exposed to significant variations during storage (i.e., mainly lignans and flavones). Besides, the addition of Goji carotenoids preserved the stability of tyrosol equivalents in EVOOCar during long-term storage. These results highlighted that the enrichment of EVOO with a carotenoid-rich extract can improve the shelf-life and nutritional value of added-oil, protecting EVOO natural antioxidants during long-term storage.
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Affiliation(s)
- Domenico Montesano
- Department of Pharmaceutical Sciences, Section of Food Science and Nutrition, University of Perugia, via San Costanzo, 06126 Perugia, Italy.
| | - Gabriele Rocchetti
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy.
| | - Lina Cossignani
- Department of Pharmaceutical Sciences, Section of Food Science and Nutrition, University of Perugia, via San Costanzo, 06126 Perugia, Italy.
| | - Biancamaria Senizza
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy.
| | - Luna Pollini
- Department of Pharmaceutical Sciences, Section of Food Science and Nutrition, University of Perugia, via San Costanzo, 06126 Perugia, Italy.
| | - Luigi Lucini
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Via Emilia Parmense 84, 29122 Piacenza, Italy.
| | - Francesca Blasi
- Department of Pharmaceutical Sciences, Section of Food Science and Nutrition, University of Perugia, via San Costanzo, 06126 Perugia, Italy.
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