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International Journal of Medicinal Mushrooms
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ISSN Imprimir: 1521-9437
ISSN En Línea: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v17.i10.30
pages 933-941

Antioxidant Capacity and Total Phenolics Content of the Fruiting Bodies and Submerged Cultured Mycelia of Sixteen Higher Basidiomycetes Mushrooms from India

Rajendra Prasad
Annamalai University
Vinay K. Varshney
Chemistry Division, Forest Research Institute PO New Forest, Dehra Dun 248 006, India
N. S. K. Harsh
Forest Pathology Division, Forest Research Institute, New Forest, Dehradun, Uttarakand, India
Manoj Kumar
Forest Pathology Division, Forest Research Institute, New Forest, Dehradun, Uttarakand, India

SINOPSIS

The fruiting bodies and the submerged cultured mycelia of 16 higher Basidiomycetes mushrooms− Agaricus bisporus, Armillaria mellea, Auricularia auricula-judae, Ganoderma applanatum, G. lucidum, Laetiporus sulphureus, Lentinus tigrinus, Lycoperdon pyriforme, Phellinus linteus, Pleurotus ostreatus, P. sajor-caju, Polyporus arcularius, Russula brevipes, Schizophyllum commune, Sparassis crispa, and Spongipellis unicolor−from different taxonomic groups were examined for their antioxidant capacity (AOXC) and total phenolics content (TPC). Extraction of the freeze-dried and pulverized fruiting bodies and mycelia with methanol and water (8:2, v/v), followed by evaporation of the solvent under a vacuum, created their extracts, which were analyzed for their AOXC and TPC using a DPPH· scavenging assay and the Folin-Ciocalteu method, respectively. The fruiting bodies and the culture mycelia of all the mushroom species exhibited varied antioxidant capacity; however, the fruiting bodies had more potent DPPH· scavenging than the corresponding mycelia irrespective of the mushroom species, as evident by the effective concentrations of extract that scavenges 50% of DPPH· (EC50) of the former (0.56−1.24 mg mL−1) being lower than those of the latter (2.51−8.39 mg mL−1). TPC in the fruiting bodies (6.08−24.85 mg gallic acid equivalent [GAE] g−1) were higher than those in the mycelia (4.17−13.34 mg GAE g−1). AOXC of the fruiting bodies (r = −0.755) and the culture mycelia (r = −0.903) also was correlated to their TPC. Among the cultured mycelia, A. bisporus, A. mellea, L. tigrinus, P. ostreatus, and S. crispa were highly promising in terms of their highest TPC (10.55, 13.34, 11.00, 10.37, and 10.19 mg GAE g1, respectively) and the lowest EC50 values (3.33, 2.85, 2.51, 3.65, and 3.17 mg mL−1, respectively) as they relate to the development of antioxidants.