Supplementation of cultivated mushroom species with selenium: bioaccumulation and speciation study

Abstract

on Se-supplemented substrates may represent food supplementation in the situation of Se deficiency.

Phenolic composition and antioxidant properties of Pleurotus ostreatus and Pleurotus eryngii enriched with selenium and zinc

“…The concentration of Se after enrichment was ~40 and ~27 times higher for P. ostreatus and P. eryngii. The results were consistent with our earlier experiment [28,30], because the Se concentration in enriched fruiting bodies was significantly higher than in the control. Bhatia et al [25] revealed that Se-enriched P. florida was able to accumulate even 800 times higher concentration of the micronutrient in comparison with the control.…”

“…The obtained recovery values were in the range 96.7-104.1 %. The determination level for the solid samples was 0.1 mg/ kg [29,30].…”

Cultivation of mushrooms for production of food biofortified with lithium

“…The powdered samples were treated in the extraction. The method described above was similar to that presented in the author's previous studies [21].…”

“…Its mean concentration reported for wild-growing mushrooms collected from different locations in Hungary and Italy amounted only to 0.19 and 0.25 mg kg −1 dry weight, respectively [18,19], while in cultivated Pleurotus mushrooms, Li content was found to be below detection limit [20]. Recently, however, the concept of mushrooms enriched in various elements such as selenium, zinc or copper for use as functional foods has been developed [21][22][23]. Mushrooms are a potentially rich target of such a biofortification strategy owing to their ability to accumulate various elements present in the overgrown substrates [24].…”

Importance of low substrate arsenic content in mushroom cultivation and safety of final food product

“…Mushrooms are known to effectively accumulate various trace elements (metals and metalloids such as Se or As), a phenomenon that occurs in their fruiting bodies at levels that may significantly exceed those found in aboveground parts of plants or animal tissues [13][14][15][16]. On the other hand, the total As content (As total ) in the fruiting bodies can greatly vary from concentrations below 0.05 mg kg −1 DW [17] up to 1420 mg kg −1 DW [18] and is likely determined by species-specific biological features and the level of environmental or substrate contamination [19,20].…”