Vitamin C

Vitamin C, also known as ascorbic acid, is a water-soluble vitamin that plays a crucial role in maintaining the health of the body's connective tissues, including bones, blood vessels, and skin. It also acts as an antioxidant, helping to protect cells from damage caused by free radicals.

Sources of Vitamin C

Vitamin C is found in various fruits and vegetables, including oranges, strawberries, kiwi, bell peppers, broccoli, and spinach. It can also be found in some fortified foods and dietary supplements.

Functions of Vitamin C

Collagen Synthesis: Vitamin C is essential for the synthesis of collagen, a protein that provides structure to the skin, bones, and blood vessels.

Antioxidant Activity: Vitamin C helps protect cells from damage by scavenging and neutralizing free radicals.

Immune Function: Vitamin C supports the immune system and helps the body fight off infections.

Absorption of Iron: Vitamin C enhances the absorption of non-heme iron from plant-based foods, helping to prevent iron deficiency anemia.

Deficiency and Toxicity

A deficiency of vitamin C can lead to scurvy, a condition characterized by fatigue, weakness, and swollen, bleeding gums. On the other hand, excessive intake of vitamin C can lead to gastrointestinal disturbances such as diarrhea and nausea.

Study Guide

1. What is the scientific name of vitamin C? Describe its solubility.
2. List some common food sources of vitamin C.
3. Explain the role of vitamin C in collagen synthesis.
4. How does vitamin C act as an antioxidant in the body?
5. Discuss the relationship between vitamin C and immune function.
6. How does vitamin C enhance the absorption of iron?
7. What are the symptoms of vitamin C deficiency?
8. What are the potential risks of excessive vitamin C intake?