Vitamins

Question 1

2 biological functions of VitaminA

Answer 1

Manufacture of Rhodopsin: maintain healthy skin, aids growth etc

Question 2

Dietary Source’s of Vitamin A

Answer 2

Carrots, Leafy Green Vegetables

Question 3

Forms of Iron

Answer 3

Haem Iron - a ferrous iron, soluble easily absorbed etc. Source - offal

Non Haem Iron - Ferric Iron, cannot be absorbed by the body,must be changed into ferrous to absorb etc. Source - Eggs

Question 4

Folate/Folic Acid

Answer 4

Sources - wheat germ, wheat bran etc

Biological Functions - red blood cell formation, reduces risk of neutral tube defects etc

Properties - water soluble/insoluble in alcohol, oudourless and tasteless, destroyed by UV light

Question 5

B Vitamins that helps prevent the Health Conditions.

Answer 5

Health Condition( Neutral Tube defects) - Folic Acid/ Vitamin B9

Beriberi - Thiamine/ Vitamin B1

Pellagra - Niacin/ Vitamin B3

Question 6

Vitamin C account.

Answer 6

Biological Functions - production of collagen, Formation of healthy blood vessels, speeds up healing of wounds, maintains immune system etc

Effects of Deficiency - collagen production affected, weakening of body tissue, slow healing of wounds.

Properties - sweet/sour taste, water soluble and crystalline acidic

Question 7

3 properties of Vitamin B1 (Thiamine)

Answer 7

Water Soluble, Insoluble in fat, destroyed by high temperature

Question 8

Malnutrition in Irish Diets

Answer 8

Cause - high intake of processed foods/ low water intake, high intake of Takeaways.

Effect - constipation/ bowel conditions, overweight/ obesity.

Correction - increase fiber rich foods, increase water consumption, balanced energy intake.

Aspect - Low dietary fiber, high saturated fat, relatively low iron intake

Question 9

2 Functions of Calcium

Answer 9

Formation of Strong bones and teeth and regulates blood pressure

Question 10

Factor

Answer 10

Vitamin D, oestrogen, acidic environment, Vitamin C, Protein etc

Question 11

Conditions

Answer 11

Anemia - Vitamin C and B
Rickets - Vitamin D
BeriBeri - Vitamin B1

Question 12

Health Conditions

Answer 12

Poor Blood Clotting - Vitamin K,C and D

Neutral tube defects etc- Vitamin B and B12

Night Blindness - Vitamin A

Question 13

Freezing of Vegetables

Answer 13

Blanch Results in loss of vitamins, these vitamins are water soluble, lost at high temp. If foods are not frozen quickly, ice crystals will be large and vitamins will be lost when food defrosts.