After screening of 9 immobilised triazinic dyes, Red F5B was selected as th
e best ligand for chymosin and Mucor miehei acid protease purification, at
pHs 6.5 and 5.4 respectively. For Mucor bacilliformis protease purification
from a crude extract of a solid-state culture, Red HE-3B was selected, all
owing a 95.2% recovery of pure enzyme.