{"id":41050,"date":"2015-03-02T15:33:00","date_gmt":"2015-03-02T15:33:00","guid":{"rendered":"https:\/\/matis.is\/?p=41050"},"modified":"2021-07-26T15:35:02","modified_gmt":"2021-07-26T15:35:02","slug":"rannsokn-a-efnasamsetningu-og-lifvirkni-slims-ur-karfaaugum","status":"publish","type":"post","link":"https:\/\/matis.is\/en\/frettir\/rannsokn-a-efnasamsetningu-og-lifvirkni-slims-ur-karfaaugum\/","title":{"rendered":"A study of the chemical composition and bioactivity of redfish mucus"},"content":{"rendered":"<h4 class=\"wp-block-heading\">It has long been a custom in the Icelandic fishing industry that when fishermen stab themselves at the sharp-edged redfish, they have simply cut into the fish&#039;s eyes and applied the mucus to the injection wound.<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">Increased value from processing at Karfi (<a target=\"_blank\" href=\"http:\/\/en.wikipedia.org\/wiki\/Sebastes\" rel=\"noreferrer noopener\">Sebastes<\/a>)<br>- study of the chemical composition and bioactivity of redfish mucus<\/h4>\n\n\n\n<p>By using the mucus in this way, the sailors have prevented infection and also the pain has been less than otherwise and the inflammatory response is negligible compared to when eye mucus is not applied to the wound. This was the trigger for the project and the information that was based on when the project was launched. The purpose of this project was to shed light on whether the mucus from the eyes of redfish (Sebastes) can be used for the production of substances that have a desirable bioactivity that could possibly be used in various industries, such as cosmetics, food supplements and more.<\/p>\n\n\n\n<p>The results show that antioxidant activity is found in perch eye mucus, especially when 50% methanol solution was used in the extract and antioxidant activity was measured by a so-called DPPH test. The protein content was low in the eye mucus, but the highest was measured in the eye mucus, which was heat-dried at 30 \u00b0 C. With the methods tested, the eye mucus was found not to contain bactericidal activity or to measure \u03b2-carotene.<\/p>\n\n\n\n<p>This project was in fact a preliminary study of material that has not been examined before and information that was not available was collected. It would be interesting to further investigate other desirable bioactivities, such as anti-inflammatory activity. It would also be exciting to isolate and further investigate the proteins that are found in the eye mucus.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Student<\/h4>\n\n\n\n<p>Fri\u00f0rik \u00de\u00f3r Bjarnason is a fisheries scientist from the University of Akureyri in the spring of 2014 and a master&#039;s student in aquaculture at the University of Bod\u00f8 Norway from the autumn of 2014.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Advisor<\/h4>\n\n\n\n<p>Rannveig Bj\u00f6rnsd\u00f3ttir Associate Professor&nbsp;<a target=\"_blank\" href=\"http:\/\/www.unak.is\/\" rel=\"noreferrer noopener\">University of Akureyri<\/a>&nbsp;and director of Mat\u00eds.<\/p>\n\n\n\n<p>The project was carried out at the University of Akureyri and Mat\u00eds Akureyri, with funding from&nbsp;<a target=\"_blank\" href=\"http:\/\/www.rannis.is\/sjodir\/menntun\/nyskopunarsjodur-namsmanna\/\" rel=\"noreferrer noopener\">Student Innovation Fund<\/a>.<\/p>\n\n\n\n<p>All raw materials for the study came from processing&nbsp;<a target=\"_blank\" href=\"http:\/\/www.samherji.is\/\" rel=\"noreferrer noopener\">Samherji hf<\/a>.<br><br>For further information&nbsp;<a href=\"https:\/\/gamla.matis.is\/matis\/mannaudur\/starfsfolk-og-simanumer\/persona\/57\/fyrirtaeki\/1\">Rannveig Bj\u00f6rnsd\u00f3ttir<\/a>, professional manager at Mat\u00eds in Akureyri.<\/p>","protected":false},"excerpt":{"rendered":"<p>S\u00fa venja hefur lengi veri\u00f0 vi\u00f0h\u00f6f\u00f0 innan \u00edslenska sj\u00e1var\u00fatvegsins a\u00f0 \u00feegar sj\u00f3menn stinga sig \u00e1 oddhv\u00f6ssum uggum karfa \u00fe\u00e1 hafa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":41051,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/template-cover.php","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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