Reagents and Materials Methanol (MeOH), Methyl-tert-butyl ether (MtBE), ethyl acetate (EtOAc), acetonitrile (CH3CN) and n-heptane (Hept) were purchased from Carlo Erba Reactifs SDS (Val de Reuil, France). 1,1-Diphenyl-2-picrylhydrazyl (DPPH), gallic acid, ascorbic acid, taxifolin, (+...