{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,21]],"date-time":"2026-04-21T04:30:09Z","timestamp":1776745809630,"version":"3.51.2"},"reference-count":81,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2022,3,12]],"date-time":"2022-03-12T00:00:00Z","timestamp":1647043200000},"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 Tecnologia","doi-asserted-by":"publisher","award":["UIDB\/04326\/2020"],"award-info":[{"award-number":["UIDB\/04326\/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 Tecnologia","doi-asserted-by":"publisher","award":["CEECIND\/00425\/2017"],"award-info":[{"award-number":["CEECIND\/00425\/2017"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Marine Drugs"],"abstract":"<jats:p>This work studied the potential biotechnological applications of a naviculoid diatom (IMA053) and a green microalga (Tetraselmis marina IMA043) isolated from the North Adriatic Sea. Water, methanol, and dichloromethane (DCM) extracts were prepared from microalgae biomass and evaluated for total phenolic content (TPC) and in vitro antioxidant properties. Biomass was profiled for fatty acid methyl esters (FAME) composition. The DCM extracts had the highest levels of total phenolics, with values of 40.58 and 86.14 mg GAE\/g dry weight (DW in IMA053 and IMA043, respectively). The DCM extracts had a higher radical scavenging activity (RSA) than the water and methanol ones, especially those from IMA043, with RSAs of 99.65% toward 2,2\u2032-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)diammonium salt (ABTS) at 10 mg\/mL, and of 103.43% against 2,2-diphenyl-1-picrylhydrazyl (DPPH) at 5 mg\/mL. The DCM extract of IMA053 displayed relevant copper chelating properties (67.48% at 10 mg\/mL), while the highest iron chelating activity was observed in the water extract of the same species (92.05% at 10 mg\/mL). Both strains presented a high proportion of saturated (SFA) and monounsaturated (MUFA) fatty acids. The results suggested that these microalgae could be further explored as sources of natural antioxidants for the pharmaceutical and food industry and as feedstock for biofuel production.<\/jats:p>","DOI":"10.3390\/md20030207","type":"journal-article","created":{"date-parts":[[2022,3,13]],"date-time":"2022-03-13T22:29:43Z","timestamp":1647210583000},"page":"207","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Total Phenolic Levels, In Vitro Antioxidant Properties, and Fatty Acid Profile of Two Microalgae, Tetraselmis marina Strain IMA043 and Naviculoid Diatom Strain IMA053, Isolated from the North Adriatic Sea"],"prefix":"10.3390","volume":"20","author":[{"given":"Riccardo","family":"Trentin","sequence":"first","affiliation":[{"name":"Centre of Marine Sciences, Faculty of Sciences and Technology, University of Algarve, Ed. 7, Campus of Gambelas, 8005-139 Faro, Portugal"},{"name":"Department of Biology, University of Padova, Via U. Bassi 58\/B, 35131 Padova, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4338-7703","authenticated-orcid":false,"given":"Lu\u00edsa","family":"Cust\u00f3dio","sequence":"additional","affiliation":[{"name":"Centre of Marine Sciences, Faculty of Sciences and Technology, University of Algarve, Ed. 7, Campus of Gambelas, 8005-139 Faro, Portugal"}]},{"given":"Maria Jo\u00e3o","family":"Rodrigues","sequence":"additional","affiliation":[{"name":"Centre of Marine Sciences, Faculty of Sciences and Technology, University of Algarve, Ed. 7, Campus of Gambelas, 8005-139 Faro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6273-7396","authenticated-orcid":false,"given":"Emanuela","family":"Moschin","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Padova, Via U. Bassi 58\/B, 35131 Padova, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7426-8497","authenticated-orcid":false,"given":"Katia","family":"Sciuto","sequence":"additional","affiliation":[{"name":"Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Luigi Borsari 46, 44121 Ferrara, Italy"}]},{"given":"Jos\u00e9 Paulo","family":"da Silva","sequence":"additional","affiliation":[{"name":"Centre of Marine Sciences, Faculty of Sciences and Technology, University of Algarve, Ed. 7, Campus of Gambelas, 8005-139 Faro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7850-6031","authenticated-orcid":false,"given":"Isabella","family":"Moro","sequence":"additional","affiliation":[{"name":"Department of Biology, University of Padova, Via U. Bassi 58\/B, 35131 Padova, Italy"}]}],"member":"1968","published-online":{"date-parts":[[2022,3,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"625","DOI":"10.3390\/md9040625","article-title":"Microalgae as sources of carotenoids","volume":"9","author":"Guedes","year":"2011","journal-title":"Mar. Drugs"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"122997","DOI":"10.1016\/j.biortech.2020.122997","article-title":"Potential utilization of bioproducts from microalgae for the quality enhancement of natural products","volume":"304","author":"Tang","year":"2020","journal-title":"Bioresour. 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