Vitamins and minerals Flashcards
Define vitamins?
organic molecules which control all chemical functions
What are fat soluble vitamins?
Excess is stored in the liver. Can be toxic due to disrupting normal liver function.
What are water soluble vitamins?
Excess is excreted in the urine.
Thus cannot be stored and need to be consumed daily.
Sources of vitamin A?
Dark green veg, fruit and veg, fish oils, dairy
Role of vitamin A?
Growth and repair
Structure of cell membranes
Vision
Antioxidants
Deficiency of vitamin a?
Poor vision
Stunted growth
Sources of vitamin c?
Fruit and veg
Function of vitamin C?
Structure and function of connective tissue
Iron absorption
Antioxidant
Vit C deficiency?
Scurvy
Vit D sources?
Fish oil, dairy, sunlight
Vit D role?
Bone and teeth health
Vit D deficiency?
Rickets
Osteromalacia
Vit E sources?
Dairy, dark green veg, buts, avocado
Vit E function?
Antioxidant
Vit E deficiency?
Ageing
Loss of skin elasticity
Wrinkles