Vitamin - Fat soluble Flashcards
What are the water soluble vitamins?
Vitamin B, C
What are the 2 types of Vitamin A and what are there sources?
1) retinal - cod liver oil, harring
2) beta carotene - carrots, milk
What are the functions of Vitamin A?
regulates growth, prevents night blindness and promotes healthy skin
What are the deficiencies of Vitamin A?
Malformed bones, night blindness, susceptibility to infection
RDA of Vitamin and where is excess stored and what are the symptoms of excess vitamin A?
600 ug
Excess is stored in the liver, Symptoms: enlarged liver, fatigue vomiting and hair loss
Name the 2 types of Vitmin D and write a brief note on each.
Cholecalciferol: known as the sunshine vitamin
Ergocalciferol: made uv lights in fungi and yeast
What are the functions of vitamin D?
Regulates calcium balance between bones and blood, helps with absorption of calcium and phosphorus and also prevents rickets
What are the Effects of deficiency on vitamin D?
1) Rickets (children) and osteomalacia (adults)
2) osteoporosis- brittle bones
3) dental decay
Sources and RDA of vitamin D?
1)sunlight
2) fortified milk
3) dairy products
4) oily fish
RDA: 7-10 ug
What happens when a person has excess amount of Vitamin D?
It is common in children, results in high concentration of calcium in the blood Symptoms: Nausea Mental confusion Vomiting Thirst
Functions of vitamin E? Deficiency?
Powerful antioxidant
Reduces the risk of stroke, heart disease and cancer
Improves the absorption of vitamin A
Deficiency is rare
Sources of vitamin E, RDA
Eggs, wheat germ, leafy greens and oatmeal
RDA - there is none
What are the functions of vitamin K and effects of deficiency?
1) Helps to clot the blood
2) Abnormal blood clotting (deficiency rare)
What are the sources and RDA of vitamin K?
Dark green leafy veg Eggs Manufactured in the intestine Lean meat RDA - there is none
Name the two types of vitamins.
1) water soluble
2) fat soluble
