Journal
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
Volume 399, Issue 5, Pages 1743-1763Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-010-4212-8
Keywords
Selenium; Speciation; Liquid chromatography-inductively coupled plasma mass spectrometry; Liquid chromatography-electrospray ionization mass spectrometry; Review
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The aim of this review is to present and evaluate the present knowledge of which selenium species are available to the general population in the form of food and common supplements and how these species are metabolized in mammals. The overview of the selenium sources takes a horizontal approach, which encompasses identification of new metabolites in yeast and food of plant and animal origin, whereas the survey of the mammalian metabolism takes a horizontal as well as a vertical approach. The vertical approach encompasses studies on dynamic conversions of selenium compounds within cells, tissues or whole organisms. New and improved sample preparation, separation and detection methods are evaluated from an analytical chemical perspective to cover the progress in horizontal speciation, whereas the analytical methods for the vertical speciation and the interpretations of the results are evaluated from a biological angle as well.
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