to 90%. It was also reported that Se-enriched food enhanced the
uptakes of Cu, Fe and Zn, manifested in the higher levels of these
minerals in erythrocytes as compared to individuals that consumed
a low-Se diet (Djujic´ et al., 2000). Naturally occurring food
Se is considered to be by far the most available form of the element.
It has been found that, irrespective of the amount consumed,
about 90% of K is absorbed. The absorption of Ca and Mg has been
estimated to be around 25–50% and 50%, respectively (EVM, 2003).