Major Mineral- Phosphorus

Question 1

Explain sources of Phosphorus

Answer 1

-Easily obtained
-Milk/ dairy products
-meat
-fish
-green veg
-legumes- peas and beans

Question 2

What are the functions of Phosphorus

Answer 2

-The second most abundant mineral in the body after calcium. 85% is combined with CALCIUM- to form CALCIUM PHOSPHATE- gives strength to bones and teeth
-Part of the nucleic acids (DNA and RNA)- form of phosphoric acid- these carry INSTRUCTIONS for NEW CELL FORMATION and necessary for GROWTH (children)
-Many ENZYMES and B VITAMINS need phosphorus to function- key to METABOLISM of macronutrients

Question 3

What are Phosphorus Requirements?

Answer 3

-same- apart from lactating- need extra- due to demands of BOTH mother and baby

Question 4

What is a Deficiency in Phosphorus?

Answer 4

-cause bone disorders- RICKETS (children) and OSTEOMALACIA (adults)
-Improper balance of Phosphorus and Calcium- OSTEOPOROSIS
-Reduced Phosphate CONCENTRATION in blood- HYPOPHOSPHATEMIA

Question 5

What is an excess of Phosphorus?

Answer 5

-Too much carbonated drinks (coke)- cause problems- phosphorus content
-Interfere with IRON absorption- annoy the CALCIUM/ PHOSPHORUS RATION (1:1)- ability to use Calcium is REDUCED

Question 6

Explain Bioavailability for Phosphorus?

Answer 6

-85% of Phosphorus in the body combines with Calcium- Calcium Phosphate- 1:1

-Phosphate leaches out when cooked in water