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2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Foods"],"abstract":"<jats:p>Pears (Pyrus communis L.) and apples (Malus domestica Borkh.) are two of the most popular fruits worldwide. The phenolic compounds they offer are associated with human health benefits due to their antioxidant properties. Since these fruits\u2019 by-products are not yet fully exploited, it is important to characterize them, especially in terms of their antioxidant properties. The aim of this study was to determine the antioxidant properties of old traditional cultivars, six regional pear cultivars and five regional apple cultivars grown in the Alcoba\u00e7a region (Portugal). Antioxidant capacity assays were used to evaluate the antioxidant properties. Generally, the antioxidant capacity, total phenolics content (TPC), and total flavonoids content (TFC) of fruit byproducts (both seeds and peels) were higher than the corresponding mesocarp, indicating their potential as sources of beneficial antioxidant compounds. Moreover, a UHPLC-ToF-MS method was optimized and validated in order to quantify 21 distinct phenolics in these fruit samples. The analytical method\u2019s suitability for quantifying phenolic compounds was demonstrated by an evaluation of linearity, limit of detection, limit of quantification, precision and accuracy. This method was used to determine the phenolic composition of samples of regional (local) cultivars. The phenolics in the fruit samples with the highest concentrations were phlorizin and chlorogenic acid. Principal component analysis (PCA) was used to separate distinct fruit species while emphasizing their similarities and differences.<\/jats:p>","DOI":"10.3390\/foods12071537","type":"journal-article","created":{"date-parts":[[2023,4,5]],"date-time":"2023-04-05T05:42:44Z","timestamp":1680673364000},"page":"1537","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":24,"title":["Antioxidant Capacity and Phenolics Profile of Portuguese Traditional Cultivars of Apples and Pears and Their By-Products: On the Way to Newer Applications"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-7849-4379","authenticated-orcid":false,"given":"Jo\u00e3o David","family":"Teixeira","sequence":"first","affiliation":[{"name":"National Institute for Agrarian and Veterinary Research (INIAV), I.P., Rua dos L\u00e1gidos, Lugar da Madalena, 4485-655 Vila do Conde, Portugal"},{"name":"Center for Study in Animal Science (CECA), ICETA, University of Porto, 4050-453 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4490-5202","authenticated-orcid":false,"given":"Ana Rita","family":"Soares Mateus","sequence":"additional","affiliation":[{"name":"National Institute for Agrarian and Veterinary Research (INIAV), I.P., Rua dos L\u00e1gidos, Lugar da Madalena, 4485-655 Vila do Conde, Portugal"},{"name":"Center for Study in Animal Science (CECA), ICETA, University of Porto, 4050-453 Porto, Portugal"},{"name":"Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de St\u00aa Comba, 3000-548 Coimbra, Portugal"},{"name":"REQUIMTE\/LAVQ, R. D. Manuel II, Apartado 55142, 4501-401 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8596-7821","authenticated-orcid":false,"given":"Claudia","family":"Sanchez","sequence":"additional","affiliation":[{"name":"National Institute for Agricultural and Veterinary Research (INIAV), I.P., 2460-059 Alcoba\u00e7a, Portugal"},{"name":"GREEN-IT\u2014Bioresources for Sustainability R&D Unit, ITQB NOVA, 2780-157 Oeiras, Portugal"}]},{"given":"Pier","family":"Parpot","sequence":"additional","affiliation":[{"name":"Department of Chemistry, University of Minho, 4704-553 Braga, Portugal"},{"name":"Center of Biological Chemistry, University of Minho, 4704-553 Braga, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0175-1119","authenticated-orcid":false,"given":"Carina","family":"Almeida","sequence":"additional","affiliation":[{"name":"National Institute for Agrarian and Veterinary Research (INIAV), I.P., Rua dos L\u00e1gidos, Lugar da Madalena, 4485-655 Vila do Conde, Portugal"},{"name":"LEPABE\u2014Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal"},{"name":"AliCE\u2014Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0226-921X","authenticated-orcid":false,"given":"Ana","family":"Sanches Silva","sequence":"additional","affiliation":[{"name":"National Institute for Agrarian and Veterinary Research (INIAV), I.P., Rua dos L\u00e1gidos, Lugar da Madalena, 4485-655 Vila do Conde, Portugal"},{"name":"Center for Study in Animal Science (CECA), ICETA, University of Porto, 4050-453 Porto, Portugal"},{"name":"Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de St\u00aa Comba, 3000-548 Coimbra, Portugal"},{"name":"Associate Laboratory for Animal and Veterinary Sciences (Al4AnimalS), 1300-477 Lisbon, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2023,4,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"100618","DOI":"10.1016\/j.gfs.2022.100618","article-title":"Fruit and Vegetable Biodiversity for Nutritionally Diverse Diets: Challenges, Opportunities, and Knowledge Gaps","volume":"33","author":"Harris","year":"2022","journal-title":"Glob. 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