The activity
of the
ascorbate
peroxidase
(APX, EC 1.11.1.1)
was
measured
using
the
molar
extinction
coefficient
for
ascorbate
(2.8 mM/cm),
considering
that
1 mol
of ascorbate
is required
for
a reduction
of 1 mol
of
hydrogen
peroxide
(H2O2).
Results were
expressed
as
lmol H2O2/min/mg1 P