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Micronutrients – Water-Soluble Vitamins

Acide Ascorbique

Vitamin C is a water-soluble antioxidant vital for immunity and tissue repair.

Definition

Acide ascorbique, commonly known as vitamin C, is a water-soluble vitamin essential for collagen synthesis, immune function, and antioxidant protection. It cannot be synthesized by the human body and must be obtained through diet.

How it works

Acide ascorbique plays a crucial role in maintaining connective tissues, bones, and teeth by stabilizing and cross-linking collagen molecules. It enhances immune response by supporting white blood cell function and acts as a powerful antioxidant, neutralizing harmful free radicals. This vitamin also improves the absorption of non-heme iron from plant-based sources, making it particularly important for vegetarians and vegans. Being water-soluble, excess amounts are excreted in urine, requiring regular dietary intake. Its deficiency leads to scurvy, characterized by weakened connective tissues and impaired wound healing.

Role

Essential for collagen formation, immune function, and antioxidant defense against cellular damage.

Examples

  • Citrus fruits (oranges, lemons)
  • Berries (strawberries, blueberries)
  • Bell peppers
  • Kiwi
  • Tomatoes
  • Broccoli

Recommendations

Consume 75-90 mg daily for adults; include raw or lightly cooked sources to preserve vitamin content, as heat destroys acide ascorbique. Pair iron-rich plant foods with vitamin C sources to enhance absorption.

Key takeaway

Regular consumption of vitamin C-rich foods supports immunity, wound healing, and overall antioxidant protection.

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