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The present study assessed if the fatty acid (FA) profile of the adductor muscle (AM) of fresh cockles (<jats:italic>Cerastoderma edule<\/jats:italic>) can be used to discriminate the origin of specimens collected in different bivalve capture\/production areas legally defined within a coastal lagoon. Results suggest that this biochemical approach holds the potential to trace sampling locations with a spatial resolution &lt;10\u2009Km, even for areas with identical classification for bivalve production. Cockles further away from the inlet, i.e. in areas exposed to a higher saline variation, exhibited lower levels of saturated fatty acids, which are key for stabilizing the bilayer structure of cell membranes and a higher percentage of polyunsaturated fatty acids, which enhance bilayer fluidity. Results suggest that the structural nature of the lipids present in the AM provides a stable fatty acid signature and holds potential for tracing the origin of bivalves to their capture\/production areas.<\/jats:p>","DOI":"10.1038\/srep11125","type":"journal-article","created":{"date-parts":[[2015,6,18]],"date-time":"2015-06-18T11:45:56Z","timestamp":1434627956000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":52,"title":["Potential use of fatty acid profiles of the adductor muscle of cockles (Cerastoderma edule) for traceability of collection site"],"prefix":"10.1038","volume":"5","author":[{"given":"Fernando","family":"Ricardo","sequence":"first","affiliation":[]},{"given":"T\u00e2nia","family":"Pimentel","sequence":"additional","affiliation":[]},{"given":"Ana S. 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