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virgin olive oil by a luminescent method</h1><div class="ds-work-card--work-authors ds-work-card--detail"><a class="ds-work-card--author js-wsj-grid-card-author ds2-5-body-md ds2-5-body-link" data-author-id="101884860" href="https://independent.academia.edu/MARIATERESAALANEZMORALES"><img alt="Profile image of MARIA TERESA ALANEZ MORALES" class="ds-work-card--author-avatar" src="//a.academia-assets.com/images/s65_no_pic.png" />MARIA TERESA ALANEZ MORALES</a></div><p class="ds-work-card--detail ds2-5-body-sm">2009, Grasas Y Aceites</p><div class="ds-work-card--button-container"><button class="ds2-5-button js-swp-download-button" data-signup-modal="{"location":"continue-reading-button--work-card","attachmentId":78631003,"attachmentType":"pdf","workUrl":"https://www.academia.edu/67991539/Evaluation_of_%CE%B1_tocopherol_in_virgin_olive_oil_by_a_luminescent_method"}">See full PDF</button><button class="ds2-5-button ds2-5-button--secondary js-swp-download-button" 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translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/63880756/Tocopherol_content_in_vegetable_oils_using_a_rapid_HPLC_fluorescence_detection_method"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="7" data-entity-id="54985830" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/54985830/Simultaneous_Determination_of_Pigments_Tocopherols_and_Squalene_in_Greek_Olive_Oils_A_Study_of_the_Influence_of_Cultivation_and_Oil_Production_Parameters">Simultaneous Determination of Pigments, Tocopherols, and Squalene in Greek Olive Oils: A Study of the Influence of Cultivation and Oil-Production Parameters</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="24864170" href="https://independent.academia.edu/MichalisPentogennis">Michalis Pentogennis</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Foods, 2019</p><p class="ds-related-work--abstract ds2-5-body-sm">A new facile and fast method was developed in this study for the determination of pigments (chlorophylls and carotenoids), tocopherols (α-, sum of (β + γ), and δ), and squalene in olive oil. This method consisted of a dilution of olive oil in 2-propanol, followed by reversed phase-high-pressure liquid chromatography equipped with a diode array detector (RP-HPLC-DAD). Chromatographic separation was performed using a C18 column, while the mobile phase consisted of acetonitrile and methanol using a gradient elution program. The methodology was optimized, validated, and applied to the analysis of 452 samples of Extra Virgin Olive Oil (EVOOs) and Virgin Olive Oil (VOOs) originated from five islands of the Northeastern Aegean Region, in Greece. From the obtained results, it was indicated that the carotenoid, tocopherol, and squalene content was relatively high, while the chlorophyll content was low. Furthermore, the acquired results were studied and compared in order to obtain useful information about the correlation of the concentration levels of these compounds in olive oil to different cultivation and olive oil production parameters. Several parameters were found to play a significant role on the pigment and antioxidant content of olive oil, such as the olive tree variety, geographical origin, fruit maturation stage during harvesting, and addition of water during malaxation, while other parameters such as the altitude of cultivation, the type of farming (organic or conventional), and the type of olive mill did not seem to affect the levels of these compounds.</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Simultaneous Determination of Pigments, Tocopherols, and Squalene in Greek Olive Oils: A Study of the Influence of Cultivation and Oil-Production Parameters","attachmentId":71079005,"attachmentType":"pdf","work_url":"https://www.academia.edu/54985830/Simultaneous_Determination_of_Pigments_Tocopherols_and_Squalene_in_Greek_Olive_Oils_A_Study_of_the_Influence_of_Cultivation_and_Oil_Production_Parameters","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/54985830/Simultaneous_Determination_of_Pigments_Tocopherols_and_Squalene_in_Greek_Olive_Oils_A_Study_of_the_Influence_of_Cultivation_and_Oil_Production_Parameters"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="8" data-entity-id="51178964" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/51178964/Assessment_of_olive_oil_adulteration_by_reversed_phase_high_performance_liquid_chromatography_amperometric_detection_of_tocopherols_and_tocotrienols">Assessment of olive oil adulteration by reversed-phase high-performance liquid chromatography/amperometric detection of tocopherols and tocotrienols</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="45524342" href="https://independent.academia.edu/FabiolaDionisi">Fabiola Dionisi</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Journal of the American Oil Chemists’ Society, 1995</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Assessment of olive oil adulteration by reversed-phase high-performance liquid chromatography/amperometric detection of tocopherols and tocotrienols","attachmentId":69009829,"attachmentType":"pdf","work_url":"https://www.academia.edu/51178964/Assessment_of_olive_oil_adulteration_by_reversed_phase_high_performance_liquid_chromatography_amperometric_detection_of_tocopherols_and_tocotrienols","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/51178964/Assessment_of_olive_oil_adulteration_by_reversed_phase_high_performance_liquid_chromatography_amperometric_detection_of_tocopherols_and_tocotrienols"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div><div class="ds-related-work--container js-wsj-grid-card" data-collection-position="9" data-entity-id="83228555" data-sort-order="default"><a class="ds-related-work--title js-wsj-grid-card-title ds2-5-body-md ds2-5-body-link" href="https://www.academia.edu/83228555/Non_destructive_Fluorescence_Spectroscopy_as_a_Tool_for_Discriminating_Between_Olive_Oils_According_to_Agronomic_Practices_and_for_Assessing_Quality_Parameters">Non-destructive Fluorescence Spectroscopy as a Tool for Discriminating Between Olive Oils According to Agronomic Practices and for Assessing Quality Parameters</a><div class="ds-related-work--metadata"><a class="js-wsj-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="109451043" href="https://independent.academia.edu/PrietoHenar">Henar Prieto</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Food Analytical Methods, 2021</p><p class="ds-related-work--abstract ds2-5-body-sm">A non-destructive fluorescence method combined with chemometric algorithms has been developed for discriminating between olive oils. The excitation-emission matrices (EEMs) of two olive oil varieties (Arbosana and Oliana) from two crop seasons, which had undergone two different irrigation treatments (control irrigation strategy and regulated deficit irrigation (RDI)), were recorded. EEMs were analysed using parallel factor analysis (PARAFAC), followed by linear discriminant analysis (LDA) incorporating three PARAFAC components. This analysis was able to discriminate between olive oils according to crop season (100% of predictions in the validation set were correct) and variety (100% of predictions were correct). Moreover, good discrimination (80% of correct predictions) was also achieved when examining olive oils belonging to the same variety but submitted to two different irrigation treatments. Further, the olive oil quality parameters obtained using conventional methods were compa...</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Non-destructive Fluorescence Spectroscopy as a Tool for Discriminating Between Olive Oils According to Agronomic Practices and for Assessing Quality Parameters","attachmentId":88645522,"attachmentType":"pdf","work_url":"https://www.academia.edu/83228555/Non_destructive_Fluorescence_Spectroscopy_as_a_Tool_for_Discriminating_Between_Olive_Oils_According_to_Agronomic_Practices_and_for_Assessing_Quality_Parameters","alternativeTracking":true}"><span class="material-symbols-outlined" style="font-size: 18px" translate="no">download</span><span class="ds2-5-text-link__content">Download free PDF</span></button><a class="ds2-5-text-link ds2-5-text-link--inline js-wsj-grid-card-view-pdf" href="https://www.academia.edu/83228555/Non_destructive_Fluorescence_Spectroscopy_as_a_Tool_for_Discriminating_Between_Olive_Oils_According_to_Agronomic_Practices_and_for_Assessing_Quality_Parameters"><span class="ds2-5-text-link__content">View PDF</span><span class="material-symbols-outlined" style="font-size: 18px" translate="no">chevron_right</span></a></div></div></div></div><div class="ds-sticky-ctas--wrapper js-loswp-sticky-ctas hidden"><div class="ds-sticky-ctas--grid-container"><div class="ds-sticky-ctas--container"><button class="ds2-5-button js-swp-download-button" data-signup-modal="{"location":"continue-reading-button--sticky-ctas","attachmentId":78631003,"attachmentType":"pdf","workUrl":null}">See full PDF</button><button class="ds2-5-button ds2-5-button--secondary js-swp-download-button" data-signup-modal="{"location":"download-pdf-button--sticky-ctas","attachmentId":78631003,"attachmentType":"pdf","workUrl":null}"><span class="material-symbols-outlined" style="font-size: 20px" translate="no">download</span>Download PDF</button></div></div></div><div class="ds-below-fold--grid-container"><div class="ds-work--container js-loswp-embedded-document"><div class="attachment_preview" data-attachment="Attachment_78631003" style="display: none"><div class="js-scribd-document-container"><div class="scribd--document-loading js-scribd-document-loader" style="display: block;"><img alt="Loading..." src="//a.academia-assets.com/images/loaders/paper-load.gif" /><p>Loading Preview</p></div></div><div style="text-align: center;"><div class="scribd--no-preview-alert js-preview-unavailable"><p>Sorry, preview is currently unavailable. 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ds2-5-body-link" href="https://www.academia.edu/78480945/Effect_of_Agronomical_Factors_and_Storage_Conditions_on_the_Tocopherol_Content_of_Oblica_and_Leccino_Virgin_Olive_Oils">Effect of Agronomical Factors and Storage Conditions on the Tocopherol Content of Oblica and Leccino Virgin Olive Oils</a><div class="ds-related-work--metadata"><a class="js-related-work-grid-card-author ds2-5-body-sm ds2-5-body-link" data-author-id="51510246" href="https://independent.academia.edu/MajaSpika">Maja Jukic Spika</a></div><p class="ds-related-work--metadata ds2-5-body-xs">Journal of the American Oil Chemists' Society, 2015</p><div class="ds-related-work--ctas"><button class="ds2-5-text-link ds2-5-text-link--inline js-swp-download-button" data-signup-modal="{"location":"wsj-grid-card-download-pdf-modal","work_title":"Effect of Agronomical Factors and Storage Conditions on the Tocopherol Content of Oblica and Leccino Virgin Olive 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