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Enrichment of mushrooms: An interesting strategy for the acquisition of lithium

2012; Elsevier BV; Volume: 134; Issue: 2 Linguagem: Inglês

10.1016/j.foodchem.2012.03.044

1873-7072

Laélia Soares de Assunção, José Maria Rodrigues da Luz, Marliane de Cássia Soares da Silva, Patrícia Aparecida Fontes Vieira, Denise Mara Soares Bazzolli, Maria Cristina Dantas Vanetti, Maria Catarina Megumi Kasuya,

Medicinal Plants and Bioactive Compounds

The capability of Pleurotus ostreatus mushroom to accumulate lithium (Li) and the accessibility of this Li compared with lithium carbonate (Li2CO3), often used as psychiatric medicine, were investigated. Mushrooms were produced on a substrate-based on coffee husk, with different added concentrations of lithium chloride (LiCl). Biological efficiency (BE), the crude protein content, the concentration of Li and other elements present in mushrooms were determined. The sequential extraction and in vitro test were used to verify the accessibility and the degree of solubility of this element. Li concentration in mushrooms was directly influenced by increasing LiCl concentration in the substrate (P < 0.05). The BE was not affected by different concentrations of LiCl. Li present in enriched mushrooms showed greater accessibility than in Li2CO3. Therefore, P. ostreatus mushrooms, enriched with lithium can be an alternative source of Li, as well as being a food with high nutritional value.