Bone Minerals – Zinc
Zinc is an essential mineral, required for normal growth of animals and humans.
It is a constituent of certain enzymes and acts to stabilise cell membranes. In this way, it plays a role in DNA synthesis, protein digestion and synthesis, carbohydrate metabolism, oxygen transport and protection against free radical damage.
Zinc deficiency is difficult to characterise but seems to cause reduced growth rates and reduced immune capacity. It may also play a role in pregnancy complications.
Good sources of zinc are dark red meats with a low fat content and unrefined (whole) grains. However, its absorption is hindered by phytates in wholegrain cereals and other vegetables.
Animal protein enhances zinc absorption.
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