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The concentration of Selenium in most foods is low; therefore, accurate determination requires a sensitive analytical method and freedom from contamination. Inductively coupled plasma mass spectrometry (ICP-MS) EuroFIR Method Indicator [http://www.eurofir.net/eurofir_aisbl/products/eurofir_thesauri/component_thesaurus MI1209] is the most reliable method preceded by wet digestion [http://www.eurofir.net/eurofir_aisbl/products/eurofir_thesauri/component_thesaurus MI1018] or pressure digestion (Link).

Method feature is described in [http://esearch.cen.eu/esearch/Details.aspx?id=6360967 EN 14627:2005]- Foodstuffs - Determination of trace elements - Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion. Other methods are available: [http://www.eoma.aoac.org/ AOAC] ([http://www.eoma.aoac.org/methods/info.asp?ID=39214 AOAC 986.15]) and [http://www.google.pt/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=1&ved=0CC4QFjAA&url=http%3A%2F%2Fwww.codexalimentarius.net%2Fdownload%2Fstandards%2F388%2FCXS_234e.pdf&ei=FnuZT-eqEYKd0AWMqvDuBQ&usg=AFQjCNEK03RDcLzyEhyhF-lBGh8Cd5cMxQ&sig2=vLRsQ8_-fOV1yBb1_4bZWw CODEX]. [http://books.google.pt/books?id=KQRzKDr9bgcC&printsec=frontcover&hl=pt-PT&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false Southgate and Greenfield Book].

Recently papers were published for selenium determination [http://www.sciencedirect.com/science/article/pii/S0308814608007024 Elene P. Et al, 2008]; [http://aoac.publisher.ingentaconnect.com/search/article?option1=tka&value1=SELENIUM&operator9=AND&option9=publications&value9=aoac&sortDescending=true&sortField=default&pageSize=10&index=1 Govasmark, et al., 2007], [http://www.ncbi.nlm.nih.gov/pubmed/21919358 Pacquette et al., 2011].

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Admin: Created page with "The concentration of Selenium in most foods is low; therefore, accurate determination requires a sensitive analytical method and freedom from contamination. Inductively couple..."