The minority of all investigated plants
possessed a specific N- acetyl-b- glucosamidase in a range
0.01e10.0 U mL mg1. The minority of the investigated plants is
characterized by a specific N- acetyl-b- glucosamidase activity in the
range from 0.1 to 5.0 U mL mg1 and implies 7 species: E. cereiformis
L., E. cotinifolia L., E. officinarum L. E. palustris L., E. villosa Waldst.&
Kit. ex Willd. and E. xanti Engelm.