Calcium
- Created by: barbalyn
- Created on: 05-12-19 17:06
View mindmap
- Calcium
- function
- muscle contraction and nerve activity
- present in bones and teeth
- blood clotting
- needed during rapid growth periods eg pregnancy and lactation
- acts with phosphorous for bones and teeth
- development & maintenance of skeletal structure
- factors affecting absorption
- 1/3 absorbed in intestine
- 2/3 remaining lost in faeces
- Phytic acid inhibits absorption
- oxalates binds to Ca during digestion. Found in rhubarb and spinach
- fibre may trap Ca making it insoluble
- unabsorbed fats will remove Ca from body
- fatty acids present during digestion can inhibit
- excess alcohol inhibits
- lactose and proteing keep it soluble
- Untitled
- 1/3 absorbed in intestine
- milk & dairy products, fish, tofu, green leafy veg
- Excess
- interferes with Fe and Zn absorption
- constipation
- excess makes it hard to carry out normal function
- unlikely as is lost in sweat & urine.
- Deficiency
- muscle aches
- kidney disease
- cramps
- rickets and osteoporosis
- function
Similar Home Economics: Food & Nutrition resources:
Teacher recommended
Comments
No comments have yet been made