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The bioavailability of ingested components is an extremely important area of food and pharmaceutical research. The main issue is to determine which fraction of ingested nutrients or food pollutants can be truly used by the body and exert its healthy or deleterious effects. In this sense, knowledge of bioavailability is essential to estimate the quantity of a mineral that must be supplied to satisfy...
Foods and drinking water are the main sources of human exposure to inorganic arsenic [As(III) and As(V)]. After oral ingestion, the intestinal epithelium is the first barrier to absorption of these species. A human intestinal cell line (Caco-2) was used to evaluate cell retention and transport of As(III) (15.6–156.0μM) and/or As(V) (15.4–170.6μM). Cell monolayer integrity, cell viability, membrane...
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