Figure 1.
Maximal accumulation of xylanase (a), β-glucosidase (b), ferulic acid esterase (c) and β-xylosidase (d) in the culture supernantants of Aspergillus awamori 2B.361 U2/1 comparing media with yeast extract (YE), sodium nitrate (NaNO3), ammonium sulphate ((NH4)2SO4) or urea as nitrogen sources.