{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T18:00:35Z","timestamp":1770746435827,"version":"3.49.0"},"reference-count":41,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2023,2,9]],"date-time":"2023-02-09T00:00:00Z","timestamp":1675900800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia (FCT)\/Minist\u00e9rio da Ci\u00eancia, Tecnologia e Ensino Superior (MCTES)","award":["UIDB\/50006\/2020"],"award-info":[{"award-number":["UIDB\/50006\/2020"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia (FCT)\/Minist\u00e9rio da Ci\u00eancia, Tecnologia e Ensino Superior (MCTES)","award":["UIDP\/50006\/2020"],"award-info":[{"award-number":["UIDP\/50006\/2020"]}]},{"name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia (FCT)\/Minist\u00e9rio da Ci\u00eancia, Tecnologia e Ensino Superior (MCTES)","award":["LA\/P\/0008\/2020"],"award-info":[{"award-number":["LA\/P\/0008\/2020"]}]},{"name":"European Union\u2019s H2020 Research and Innovation Programme","award":["UIDB\/50006\/2020"],"award-info":[{"award-number":["UIDB\/50006\/2020"]}]},{"name":"European Union\u2019s H2020 Research and Innovation Programme","award":["UIDP\/50006\/2020"],"award-info":[{"award-number":["UIDP\/50006\/2020"]}]},{"name":"European Union\u2019s H2020 Research and Innovation Programme","award":["LA\/P\/0008\/2020"],"award-info":[{"award-number":["LA\/P\/0008\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Antioxidants"],"abstract":"<jats:p>The production and consumption of shrimp species create massive amounts of shrimp bio-waste. In this study, shrimp shell waste from Palaemon serratus and Palaemon varians from the Portuguese coast was characterized. Regarding the antioxidant capacity, the obtained values were between 4.7 and 10.4 mg gallic acid equivalents (GAE)\/g dry weight (dw) for Total phenolic content (TPC); 3 and 7 mg ascorbic acid equivalents (AAE)\/g dw for Ferric reducing antioxidant power assay (FRAP); 0.4 and 1.2 mg Trolox equivalent (TE)\/g dw for 2,2-diphenyl-1-picryl-hydrazyl-hydrate free radical scavenging (DPPH\u2022); 4 and 11 mg TE\/g dw for 2,2\u2032-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging activity (ABTS\u2022+); and 72 and 130 mg TE\/g dw for Oxygen radical absorbance capacity (ORAC). For the antimicrobial activity, shrimp shell waste from P. varians formed inhibition zones between 14 and 23 mm. Total carotenoid content values were in the range of 28 and 134 \u03bcg\/g dw, and according to their HPLC-PAD profile, \u03b2-carotene and astaxanthin contents were between 0.3 and 7.6 \u03bcg\/g dw and 1.1 and 26.1 \u03bcg\/g dw, respectively. These studies are critical to recognizing the potential added value of shrimp shell waste as possible colorants and preservatives with antioxidant protection capacity to be used in the food industry.<\/jats:p>","DOI":"10.3390\/antiox12020435","type":"journal-article","created":{"date-parts":[[2023,2,10]],"date-time":"2023-02-10T03:52:49Z","timestamp":1676001169000},"page":"435","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Bioactive Compounds of Shrimp Shell Waste from Palaemon serratus and Palaemon varians from Portuguese Coast"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4383-3822","authenticated-orcid":false,"given":"Maria Luz","family":"Maia","sequence":"first","affiliation":[{"name":"REQUIMTE\/LAQV, ISEP, Polytechnic of Porto, Dr. Ant\u00f3nio Bernardino de Almeida, 4249-015 Porto, Portugal"}]},{"given":"Clara","family":"Grosso","sequence":"additional","affiliation":[{"name":"REQUIMTE\/LAQV, ISEP, Polytechnic of Porto, Dr. Ant\u00f3nio Bernardino de Almeida, 4249-015 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9011-5992","authenticated-orcid":false,"given":"M. F\u00e1tima","family":"Barroso","sequence":"additional","affiliation":[{"name":"REQUIMTE\/LAQV, ISEP, Polytechnic of Porto, Dr. Ant\u00f3nio Bernardino de Almeida, 4249-015 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8066-360X","authenticated-orcid":false,"given":"Aurora","family":"Silva","sequence":"additional","affiliation":[{"name":"REQUIMTE\/LAQV, ISEP, Polytechnic of Porto, Dr. Ant\u00f3nio Bernardino de Almeida, 4249-015 Porto, Portugal"},{"name":"Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, Ourense Campus, University of Vigo, E32004 Ourense, Spain"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3924-776X","authenticated-orcid":false,"given":"Cristina","family":"Delerue-Matos","sequence":"additional","affiliation":[{"name":"REQUIMTE\/LAQV, ISEP, Polytechnic of Porto, Dr. Ant\u00f3nio Bernardino de Almeida, 4249-015 Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3472-849X","authenticated-orcid":false,"given":"Valentina Fernandes","family":"Domingues","sequence":"additional","affiliation":[{"name":"REQUIMTE\/LAQV, ISEP, Polytechnic of Porto, Dr. Ant\u00f3nio Bernardino de Almeida, 4249-015 Porto, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2023,2,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"104652","DOI":"10.1016\/j.jfca.2022.104652","article-title":"Minerals and fatty acids profile of Northwest Portuguese coast shrimps","volume":"112","author":"Maia","year":"2022","journal-title":"J. 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