The activity of filter paper unit (FPU), b-glucosidase (BGL) toward p-nitrophenyl-b-Dglucopyranoside (pNPG), endo-b-1,4 glucanase (EG), xylanase, and laccase relative to the rate of oxidation of 1 mM 2,2-azinobis-[3-ethylbenzthiazoline-6-sulfo nate] (ABTS) was determined, according to the methods reported by [11].