The results shown that the highest BE value and Se absorption
rate by P. ostreatus mushrooms were obtained when grown in
coffee husks containing 12.8 mg kg1 of Se. Therefore, this is the
optimal cultivation condition for Se enrichment. In addition, the
Se present in the P. ostreatus mushroom has been shown to be bioavailable
because it can cross the intestinal barrier and be inserted
in peptides (Silva et al., 2010).