Metal concentration, phenolics profiling, and antioxidant activity of two wild edible Melanoleuca mushrooms (M. cognata and M. stridula)
2019
Abstract Wild
edible mushroomsare traditionally used as food and medicine due to their wide nutritional value and medicinal properties. In this study, two
Melanoleucaspecies were investigated for metal concentration, antioxidant ability, and phenolic constituents. ICP-MS analysis revealed the presence of 34 metallic elements in these
mushroomsof which magnesium, potassium, sodium, and calcium are major abundant elements. Also, other essential metals such as zinc, iron, copper, tin, manganese, and selenium were detected in valuable amounts. Six
phenolic acidderivatives were quantified using HPLC analysis.
Syringic acidand benzoic acid were detected as the most abundant components. Moreover, low flavonoid high phenolic contents were determined for
mushrooms. M. cognata and M. stridula showed the strong antioxidant capacity. Results indicated that neglected edible
Melanoleucaspecies have great nutritional value and health benefits and could be considered for further phytochemical and pharmacological studies.
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