{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T12:48:52Z","timestamp":1773233332445,"version":"3.50.1"},"reference-count":38,"publisher":"MDPI AG","issue":"18","license":[{"start":{"date-parts":[[2020,9,15]],"date-time":"2020-09-15T00:00:00Z","timestamp":1600128000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UIDB\/00690\/2020"],"award-info":[{"award-number":["UIDB\/00690\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UIDB\/50006\/2020"],"award-info":[{"award-number":["UIDB\/50006\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"name":"undefined  &lt;span style=&quot;color:gray;font-size:10px;&quot;&gt;undefined&lt;\/span&gt;","award":["project OliveOld \u2013 Identifica\u00e7\u00e3o e carateriza\u00e7\u00e3o de oliveiras centen\u00e1rias para obten\u00e7\u00e3o de produtos diferenciados\u201d n\u00ba 53988"],"award-info":[{"award-number":["project OliveOld \u2013 Identifica\u00e7\u00e3o e carateriza\u00e7\u00e3o de oliveiras centen\u00e1rias para obten\u00e7\u00e3o de produtos diferenciados\u201d n\u00ba 53988"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Applied Sciences"],"abstract":"<jats:p>Oleaster (Olea europaea var. sylvestris), or the wild olive tree, has great interest as a source of genetic material for olive breeding programs. Nevertheless, information about its oil composition is scarce. In the present work, the characterization of oleaster fruit morphology and oil chemical composition from three different tree populations in Northeastern Portugal (Moncorvo, Alij\u00f3 and Vila Nova de Foz C\u00f4a) was performed. The three studied populations presented some morphological differences in the fruits, but similar oil chemical composition. Oleic acid (68.9\u201370.6%) was the most abundant fatty acid. High variability was observed in total tocopherol content, ranging between 263 and 503 mg\/kg. Additionally, high amounts of total sterols were found, from 1742 to 2198 mg\/kg of oil. A rich composition in phenols was found with 14 phenolic compounds identified. The evaluated parameters for oleander oils allowed discriminating the oils according to the geographical origin and were consistent with those commonly found in olive oil, showing that they are particularly rich in antioxidants and can be exploited in breeding programs to increase the amounts of bioactive compounds in cultivated oils.<\/jats:p>","DOI":"10.3390\/app10186414","type":"journal-article","created":{"date-parts":[[2020,9,15]],"date-time":"2020-09-15T10:24:09Z","timestamp":1600165449000},"page":"6414","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Chemical Characterization of Oleaster, Olea europaea var. sylvestris (Mill.) Lehr., Oils from Different Locations of Northeast Portugal"],"prefix":"10.3390","volume":"10","author":[{"given":"Nuno","family":"Rodrigues","sequence":"first","affiliation":[{"name":"Centro de Investiga\u00e7\u00e3o de Montanha (CIMO), ESA, Instituto Polit\u00e9cnico de Bragan\u00e7a, Campus de Santa Apol\u00f3nia, 5300-253 Bragan\u00e7a, Portugal"}]},{"given":"Teresa","family":"Pinho","sequence":"additional","affiliation":[{"name":"LAQV\/REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1686-3850","authenticated-orcid":false,"given":"Susana","family":"Casal","sequence":"additional","affiliation":[{"name":"LAQV\/REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6595-9165","authenticated-orcid":false,"given":"Ant\u00f3nio M.","family":"Peres","sequence":"additional","affiliation":[{"name":"Centro de Investiga\u00e7\u00e3o de Montanha (CIMO), ESA, Instituto Polit\u00e9cnico de Bragan\u00e7a, Campus de Santa Apol\u00f3nia, 5300-253 Bragan\u00e7a, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6331-3731","authenticated-orcid":false,"given":"Paula","family":"Baptista","sequence":"additional","affiliation":[{"name":"Centro de Investiga\u00e7\u00e3o de Montanha (CIMO), ESA, Instituto Polit\u00e9cnico de Bragan\u00e7a, Campus de Santa Apol\u00f3nia, 5300-253 Bragan\u00e7a, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2260-0600","authenticated-orcid":false,"given":"Jos\u00e9 Alberto","family":"Pereira","sequence":"additional","affiliation":[{"name":"Centro de Investiga\u00e7\u00e3o de Montanha (CIMO), ESA, Instituto Polit\u00e9cnico de Bragan\u00e7a, Campus de Santa Apol\u00f3nia, 5300-253 Bragan\u00e7a, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2020,9,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"197","DOI":"10.1016\/j.plantsci.2008.05.013","article-title":"Taming the wild and \u2018wilding\u2019 the tame: Tree breeding and dispersal in Australia and the Mediterranean","volume":"175","author":"Breton","year":"2008","journal-title":"Plant Sci."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1059","DOI":"10.1016\/j.crvi.2009.08.001","article-title":"The origins of the domestication of the olive tree","volume":"332","author":"Breton","year":"2009","journal-title":"Comptes Rendus Biol."},{"key":"ref_3","first-page":"173","article-title":"Multiple origins for Mediterranean olive (Olea europaea L. ssp. europaea) based upon mitochondrial DNA polymorphisms","volume":"323","author":"Besnard","year":"2000","journal-title":"Comptes Rendus de l\u2019Acad\u00e9mie des Sciences\u2014Series III\u2014Sciences de la Vie"},{"key":"ref_4","first-page":"329","article-title":"De l\u2019olivier \u00e0 l\u2019ol\u00e9astre: Origine et domestication de l\u2019Olea europaea L. dans le Bassin m\u00e9diterran\u00e9en","volume":"15","author":"Breton","year":"2006","journal-title":"Cah. 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