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单词 trace element
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Examples of 'trace element' in a sentence
trace element

Why should we be low in this important trace element mineral?Suffice it to say that for most people food is the most important source of trace elements.Manganese is an essential trace element required by the brain and nervous system.It is probable that in years to come other essential trace elements will emerge.And the algae contain all the trace elements essential to animal and man.Zinc is a trace element which is necessary for a wide range of chemical reactions in the body.Most of our foods today are processed somehow or other but the most dramatic losses of trace elements occur during refining.During childhood and adolescence there is an increased need for many of the trace elements because they are essential for growth.Zinc Zinc is one of the most important trace elements in man.Table 1 shows how much of various trace elements we need and how much we get.As with many other trace elements, absorption is very poor, especially from tablets.Copper Although in small quantities copper is an essential trace element, it can be toxic in large quantities.This latter is foolish because, as we have seen already, many of the trace elements compete with each other in the intestine.
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更新时间:2024/12/22 15:23:25