Why Does The Food Heat Up - Smeg FMS20TCK Instructions For Use Manual

Why does the food heat up?

Most food contains water, whose molecules
vibrate with microwaves.
The friction between the molecules generates
heat, which causes a temperature rise in the food,
defrosting it, cooking it or keeping it warm.
As the heat is formed inside the food:
-
It may be cooked with little or no liquid or fat;
-
Defrosting, heating
microwave oven
conventional oven;
-
Vitamins, minerals and nutritive substances are
preserved;
-
There is no change in the natural colour and
smell of the food.
or cooking in
is quicker than
The microwaves pass through porcelain, glass,
cardboard or plastic but not through metal.
Therefore, recipients made of or containing metal
should not be used in the microwave oven.
The microwaves are reflected by the metal...
the
in a
...they pass through glass, porcelain...
...they are absorbed by the food.
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