N-(1-deoxy-beta-D-fructopyranos-1-yl)-L-valine + O2 + H2O = 2-dehydro-D-glucose + L-valine + H2O2
n-(1-deoxy-beta-d-fructopyranos-1-yl)-l-valine + o2 + h2o = 2-dehydro-d-glucose + l-valine + h2o2
N-(1-deoxy-beta-D-fructopyranos-1-yl)-L-valine + O2 + H2O = 2-dehydro-D-glucose + L-valine + H2O2
n-(1-deoxy-beta-d-fructopyranos-1-yl)-l-valine + o2 + h2o = 2-dehydro-d-glucose + l-valine + h2o2