Trace Element Analysis of Food and Diet

the case of magnesium in human nutrition, since it is in sufficiently high levels; oth-
ers, such as selenium, may have the highest regional importance because of defi-
ciency in one area and toxicity in another.

In recent years, there has been an increase in the realization of the importance of
the role of trace elements in biological systems. The study of life processes shows
that many vital functions are dependent on the presence of a specific trace element.
Because of that, trace elements are one of the important nutrient factors for the
growth and maintenance of human and animal life.