Bioaccessibility, oxidizing activity and co-accumulation of minerals in Li-enriched mushrooms
2022
de Souza Lopes, Leandro | de Casssia Silva, Marliane | de Oliveira Faustino, Alessandra | Licursi de Oliveira, Leandro | Kasuya, Maria Catarina Megumi
Mushrooms present high potential to be used as a source of lithium (Li), but bioaccumulation of Li and other minerals, redox status and bioavailability are specific to each species, depending on the dosage and type of salt used. We investigated the bioaccessibility, oxidizing activity and co-accumulation of minerals in Li-enriched mushrooms in Pleurotus ostreatus (PLO 02) and Pleurotus djamor (PLO 13). Mushrooms were produced in coffee husks enriched with lithium chloride or lithium carbonate at different concentrations. It was found that PLO 02 is more sensitive to high concentrations of Li than PLO 13, which presented higher mushroom production rate. It was observed a positive correlation between Li accumulation and other minerals present in the substrate and the effect of Li on fungus redox status. Bioaccessibility in both fungi was higher in the Li-enriched mushrooms when compared to the medicinal lithium carbonate tablet, and these mushrooms can co-accumulate minerals and increase oxidative activity. It confirms that Li-enriched mushrooms can be an alternative and healthy source of Li.
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