The more the luxury standards exist
in a society, the more vegetables are consumed as a main source of
vitamins and minerals, which becomes significantly important when high
amounts of animal fat and calories are consumed, as well as concentrated
or dried foods.
The current advancement in vegetables
farming does not cope with the current demands for several reasons,
mainly the increase in consuming fast foods and pastries, grains and
potatoes and junk foods, as well as the decrease of physical effort in
the time of technological revolution. .
The consumed amounts of vegetables
are relatively low, besides being consumed in its cooked or canned form,
in the time 60 – 70 percent of it should be consumed fresh, in the
biological activity form.