Since
the
beginning
of
the
third
millennium,
the
scientific
interest
in
kefir
and
the
promotion
of
its
industrial
production
are
on
the
increase
because
of
its
health
benefits
(Anar, 2000).
The
concept
that
the
foods
provide
not
only
essential
nutrients
needed
for
life
but
also
bioactive
compounds
for
health
promotion
and
disease
prevention
is
quite
clear
among
consumers.
For
example,
there
have
been
demonstrations
that
the
daily
consumption
of
fruit
and
vegetables
reduces
the
risk
of
stroke
(He, Nowson, & MacGregor,
2006)
and
this
medical
evidence
induced
the
change
of
dietary