Nutrition for Nurses

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Manganese

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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

  1. Manganese is crucial for antioxidant defense as it is a component of the enzyme manganese superoxide dismutase (MnSOD).
  2. Dietary sources of manganese include nuts, seeds, whole grains, and leafy green vegetables.
  3. Deficiency in manganese can lead to skeletal abnormalities and impaired reproductive function.
  4. The recommended dietary allowance (RDA) for adults ranges from 1.8 to 2.3 milligrams per day.
  5. 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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