• DNA synthesis and function
• protein metabolism, wound healing, and growth
• immune function
• development of sexual organs and bones
• storage, release, and function of insulin
• cell membrane structure and function
• indirect antioxidant as a component of two forms of superoxide dismutase, an enzyme that aids in the prevention of oxidative damage to cells
• slowing the progression of macular degeneration of the eye
• reducing the risk for developing certain forms of cancer
Symptoms of zinc deficiency include an acnelike rash, diarrhea, lack of appetite, reduced sense of taste and smell, and hair loss. In children and adolescents with zinc defi ciency, growth, sexual development and learning ability.
Sources of zinc are beef, fortified breakfast cereals, milk, poultry, and bread, whole grains, peanuts, and legumes (beans).
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