Chapter 10.3

Scurvy

A disease caused by a deficiency of vitamin C, characterized by weakness, anemia, gum disease, and skin hemorrhages.

Antioxidant

Substances that protect cells from damage caused by free radicals, unstable molecules that can harm cells.

Collagen

A fibrous protein that provides structure to connective tissues, bones, and teeth, and plays a role in wound healing.

Hydroxylation

The process of adding hydroxyl groups to molecules, such as amino acids, with the help of enzymes like vitamin C.

Vitamin C Deficiency

A condition resulting from inadequate intake of vitamin C, leading to symptoms like bleeding gums, skin issues, and impaired wound healing.

Vitamin C Toxicity

Occurs when excessive amounts of vitamin C are consumed, leading to side effects like gastrointestinal distress and interference with medical tests.

Vitamin C Food Sources

Fruits and vegetables, particularly citrus fruits, broccoli, bell peppers, and strawberries, are rich sources of vitamin C essential for health.

Vitamin C

An antioxidant and cofactor essential for the synthesis of collagen, carnitine, throxine, and neurotransmitters. Found in citrus fruits, tomatoes, potatoes, and various vegetables and fruits.

Ascorbic acid

Another name for Vitamin C.

RDA

Recommended Dietary Allowance for Vitamin C - Men:90 mg/day, Women:75 mg/day, Smokers:RDA + 35 mg/day.

UL

Tolerable Upper Intake Level for Vitamin C - Adults:2000 mg/day.

Chief Functions in the Body

Acts as an antioxidant and cofactor in various metabolic processes.

Significant Sources

Citrus fruits, tomatoes, potatoes, and various vegetables and fruits like brussels sprouts, cauliflower, broccoli, cabbage, and spinach.

Deficiency Disease

Scurvy, characterized by symptoms like pinpoint hemorrhages, joint pain, poor wound healing, inflamed and bleeding gums.

Toxicity Symptoms

Nausea, abdominal cramps, diarrhea - when consumed in excess.

Easily destroyed by heat and oxygen

Vitamin C is sensitive to heat and oxygen, which can reduce its content in foods.

Importance of Vitamin C

Essential for healthy growth, development, and maintenance of the body due to its regulatory roles in metabolic processes.