Manganese
from class:
Nutrition for Nurses
Definition
Manganese is an essential trace mineral important for various physiological functions, including bone formation and metabolism. It acts as a cofactor for several enzymes involved in the metabolism of amino acids, cholesterol, glucose, and carbohydrates.
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5 Must Know Facts For Your Next Test
- Manganese is crucial for antioxidant defense as it is a component of the enzyme manganese superoxide dismutase (MnSOD).
- Dietary sources of manganese include nuts, seeds, whole grains, and leafy green vegetables.
- Deficiency in manganese can lead to skeletal abnormalities and impaired reproductive function.
- The recommended dietary allowance (RDA) for adults ranges from 1.8 to 2.3 milligrams per day.
- Excessive intake of manganese can result in toxicity, leading to neurological problems similar to Parkinson's disease.
Review Questions
- What role does manganese play in antioxidant defense?
- List three dietary sources rich in manganese.
- What are potential health effects of both deficiency and excess intake of manganese?
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