Abstract
Abstract This study aims to mycosynthesize crystal gold nanoparticles (AuNPs) using phenolic compounds isolated from Ganoderma applanatum (Reishi mushroom). The phenols-capped AuNPs were described by change of color, UV–Vis, FTIR, AFM, FESEM, TEM, HRTEM, SAED, EDX, XRD and Zeta Potential analyses. HPLC and FTIR analyses exhibited the presence of some phenolic compounds including rutin, qurcetine, epigene, keampherol, and gallic acid. The mycosynthesized AuNPs were capped by phenols as a reducer and stabilizer agent as in FTIR, and Zeta Potential. The lambda max of UV–Vis (550 nm) and EDX results proved the formation of AuNPs after 10 min. AFM, FESEM, TEM, HRTEM, and SAED images showed face-centered cubic crystals (phenols-capped AuNPs) with average 18.70 nm. The mycosynthesized phenols-capped AuNPs exhibited rapid catalytic reduction of methylene blue dye to leucomethylene blue in the existence of NaBH4. This study is considered first attempt to mycosynthsize of AuNPs using phenols isolated from edible mushrooms which showed significant rapid role to decolorize MB dye.
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