Vitamins Flashcards
How much should vitamins be absorbed?
A small amount
Do vitamins have energy value?
No
What do vitamins help with?
Regulate metabolic reactions
How can vitamins be divided into?
- Lipid-soluble vitamins
- Water-soluble vitamins
What are examples of lipid-soluble vitamins?
Vitamins A, D, E, K
-Absorbed with lipids in our diets
-Can be stored in large amounts
What are examples of lipid-soluble vitamins?
Vitamins B, C
-Cannot be stored in large amounts
-Easily destroyed during food handling and cooking
What does the deficiency of vitamin A lead to?
- Poor vision in dim light
- Maybe night blindness
- Drying up of the cornea and skin
- Easy infection of the lining of the lungs and trachea
What are the functions of vitamin A?
- Needed for the formation of a pigment in the retina (necessary for vision in dim light)
- Keeping cornea, skin, lining of the alimentary canal and breathing system healthy
Where can vitamin D be found in?
- Produced by the skin under sunlight
- Fatty fish, fish liver oils, liver, egg yolk
What are the functions of vitamin C?
- Growth and repair of connective tissues
- Needed for healing wound
- Absorption of iron
- Helps immune system
Where can vitamin A be found in?
Fish liver oils, liver, eggs, milk, dairy products
-Some food have carotene
What are the functions of vitamin D?
- Absorption of calcium and phosphate
- Keep bones and teeth strong
What does the deficiency of vitamin D leads to?
Rickets(children)
What does the deficiency of vitamin C lead to?
Scurvy
What are the symptoms of scurvy?
- Weak and bleeding gums
- Poor healing of wounds
- Small red spots on the skin
- Joint pain
