Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/27010
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dc.contributor.authorBiancarosa, Ireneen_UK
dc.contributor.authorLiland, Ninaen_UK
dc.contributor.authorDay, Nicolaen_UK
dc.contributor.authorBelghit, Ikramen_UK
dc.contributor.authorAmlund, Heidien_UK
dc.contributor.authorLock, Erik-Janen_UK
dc.contributor.authorGilburn, Andreen_UK
dc.date.accessioned2018-04-15T00:32:27Z-
dc.date.availablenull-
dc.date.issued2018-12-31en_UK
dc.identifier.urihttp://hdl.handle.net/1893/27010-
dc.description.abstractTwo species of seaweed flies, Coelopa frigida and Coelopa pilipes, were reared in the laboratory and their larvae were sampled for composition of amino acids, fatty acids and elements. The larvae were grown on two different species of seaweed, Laminaria digitata and Fucus serratus. The aim was to gain knowledge on the influence of feeding media on the growth and composition of the larvae. Fucus serratus was more nutrient-dense than L. digitata, being richer in both protein and lipids, and thus led to ~70 % higher larvae growth. The larvae grown on F. serratus also had higher lipid and protein content than the larvae grown on L. digitata; F. serratus-grown larvae had ~8-9 % protein and ~18 % lipid (total fatty acids) (both values of dry matter), while the larvae grown on L. digitata had only ~7.5 % protein and ~13 % lipids. All seaweed flies had a similar and balanced amino acid composition, suitable for animal and human nutrition. The fatty acid composition was not highly affected by either insect species or feeding media, with all groups containing high concentrations of the monounsaturated fatty acid, palmitoleic acid (16:1n-7). The larvae also contained some fatty acids characteristic of marine environments, like eicosapentaenoic acid (20:5n-3), likely originating from the seaweed. Both species of seaweed fly larvae accumulated As, Cd, and Pb, but not Hg. The elevated levels of As and Cd in the larvae (highest measured concentrations 18.4 and 11.6 mg/kg, respectively, based on 12% moisture content) could potentially limit the use of seaweed fly larvae as a feed ingredient.en_UK
dc.language.isoenen_UK
dc.publisherWageningen Academic Publishersen_UK
dc.relationBiancarosa I, Liland N, Day N, Belghit I, Amlund H, Lock E & Gilburn A (2018) The chemical composition of two seaweed flies (Coelopa frigida and Coelopa pilipes) reared in the laboratory, Journal of Insects as Food and Feed, 4 (2), pp. 135-142. https://doi.org/10.3920/JIFF2018.0008.en_UK
dc.relationInsects as natural feed ingredients for sustainable salmon farmingen_UK
dc.relationSee signed consortium agreement attacheden_UK
dc.rightsThis article is licenced under a CC BY-NC-SA licence (https://creativecommons.org/licenses/by-nc-sa/4.0)en_UK
dc.subjectInsectsen_UK
dc.subjectfatty aciden_UK
dc.subjectamino aciden_UK
dc.subjectbrown algaeen_UK
dc.subjectheavy metalsen_UK
dc.titleThe chemical composition of two seaweed flies (Coelopa frigida and Coelopa pilipes) reared in the laboratoryen_UK
dc.typeJournal Articleen_UK
dc.identifier.doi10.3920/JIFF2018.0008en_UK
dc.citation.jtitleJournal of Insects as Food and Feeden_UK
dc.citation.issn2352-4588en_UK
dc.citation.volume4en_UK
dc.citation.issue2en_UK
dc.citation.spage135en_UK
dc.citation.epage142en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.funderThe Research Council of Norwayen_UK
dc.citation.date29/05/2018en_UK
dc.contributor.affiliationNorwegian Institute of Marine Researchen_UK
dc.contributor.affiliationNorwegian Institute of Marine Researchen_UK
dc.contributor.affiliationUniversity of Stirlingen_UK
dc.contributor.affiliationNorwegian Institute of Marine Researchen_UK
dc.contributor.affiliationNorwegian Institute of Marine Researchen_UK
dc.contributor.affiliationNorwegian Institute of Marine Researchen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.identifier.scopusid2-s2.0-85048637140en_UK
dc.identifier.wtid877786en_UK
dc.contributor.orcid0000-0002-3836-768Xen_UK
dc.date.accepted2018-04-07en_UK
dc.date.firstcompliantdepositdate2018-04-13en_UK
dc.description.refREF Compliant by Deposit in Stirling's Repositoryen_UK
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