Mycelia of edible mushrooms (listed in Table 1) were grown on PDA (Difco). Mycelial blocks (5 mm × 5 mm) were cut out from the media, inoculated in 100mL of sterile potato dextrose broth (PDB) in a 500-mL Erlenmeyer flask, and incubated at 24oC for 28 days with shaking at 120 rpm.