The acetone-dried mycelia of Aspergillus spp. (2 g) were
suspended in 200 ml of 0.1 M NaOH with NaClO (available
chlorine concentration, 1%) for 1 day at 4◦C. Once
the reaction had been completed, the reaction mixture
was centrifuged to collect the insoluble fraction, which
was then dried by washing with ethanol and acetone (OXAsp