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Micronutrients – Water-Soluble Vitamins

Acide Pantothénique

Pantothenic acid is vitamin B5, essential for coenzyme A synthesis and metabolism.

Definition

Acide pantothénique is the chemical name for vitamin B5, a water-soluble vitamin that is converted into coenzyme A (CoA), an essential cofactor in hundreds of metabolic reactions.

How it works

Acide pantothénique is ubiquitously distributed in foods and is a critical precursor to coenzyme A (CoA), which plays a central role in cellular metabolism. CoA is required for the synthesis and breakdown of acetyl groups, the fundamental unit of energy metabolism in the citric acid cycle. It participates in fatty acid synthesis and oxidation, the activation of amino acids, and the synthesis of cholesterol and steroid hormones. Additionally, pantothenic acid supports the production of acetylcholine, a neurotransmitter essential for nerve function and memory. The vitamin also contributes to the health and regeneration of skin and mucous membranes. Because pantothenic acid is present in virtually all foods and the body can store it, deficiency is exceptionally rare, even in malnutrition.

Role

Precursor to coenzyme A, essential for energy metabolism, lipid synthesis, and neurotransmitter production.

Examples

  • Mushrooms and other fungi
  • Eggs
  • Fish and shellfish
  • Chicken
  • Avocados
  • Legumes and beans

Recommendations

Daily intake of 5 mg is typically achieved through varied whole foods; prioritize minimally processed foods to preserve pantothenic acid content. Individuals with high metabolic demands may benefit from ensuring adequate intake.

Key takeaway

Acide pantothénique is indispensable for cellular energy production and the synthesis of critical biomolecules.

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