Vitamins and Minerals Flashcards
How do we get minerals and vitamins into our body?
1.made in our body
2. made by bacteria in the intestines
3. in our food
Vitamins are needed…
in small amounts for good health
Minerals are needed…
in small amounts all have essential functions
What are the functions of minerals?
-for growth and repair
-Control chemical reactions
-Keep us healthy
What is vitamin A need for?
- Needed to make light sensitive chemicals : RHODOSOPHIN
- Needed for healthy skin, bones and teeth
Vitamin A Deficiency leads too…
Night blindness - person cannot see in dim light
Sources of Vitamin A
carrot, eggs, liver, milk
What does Vitamin C do?
- RESISTANCE against infections
- formation of body tissue (helps cells bond together)
- helps absorb calcium therefore gives us strong bones and teeth
Vitamin C deficiency…
Scurvy (bleeding of gums and organs)
Sources of Vitamin C…
Citrus fruits, tomatoes, strawberries, green veg and potatoes
What is Vitamin D needed for?
- needed for strong bones and teeth as it also helps body absorb calcium
Sources of Vitamin D
- Cod liver Oil, eggs, milk and cheese
Vitamin D deficiency…
Rickets, deformed bones
How can Vitamin D be made?
When skin is exposed to sunlight
What is Calcium?
A mineral needed to make blood clots
Needed for strong bones and teeth
Calcium Deficiency…
Rickets
Iron deficiency…
Anemia. Anemia is a condition that develops when your blood produces a lower-than-normal amount of healthy red blood cells.
Where is calcium found?
Milk and cheese and eggs
What is Iron needed for?
- Needed to make HAEMOGLOBIN (Blood Protein)
-Part of the molecule to transport Oxygen
Where can you find Iron?
Red meats, fish, poultry, shellfish, eggs, legumes, dried fruits
Vitamin C Test
DCPIP, blue to colourless
How to carry out DCPIP test
- first put 1cm cubed of blue DCPIP into test tube
- the put the substance (e.g. Orange juice) one drop at a time
- count the number of drops needed to make the DCPIP lose its blue colour
Less drops added to DCPIP means…
there is MORE vitamin C present
Why is DCPIP dangerous?
It is TOXIC
Safety precautions while using DCPIP…
Wear goggles, wash hand IMMEDIATELY if it comes into contact with it.
What is DCPIP?
A blue dye that turns colourless in the presence of vitamin c
