3.2.1.38	activity is irreversibly lost within min in low salt buffers, below 0.5 M	
3.2.1.38	freezing and thawing inactivates	
3.2.1.38	repeated freezing and thawing cycles don't affect fucosidase II, 30% loss of activity for beta-fucosidase I after 3 cycles	
3.2.1.38	stable against repeated freezing and thawing cycles, activity unstable in SDS