Vitamins

Question 1

Classify water & fat soluble vitamins

Answer 1

Fat soluble; A,D,E,K
Water soluble; B group & C

Question 2

Function and Food sources of Vitamin A

Answer 2

• needed to form visual purple, a pigment in the retina of the eye that allows a person to see in dim light
• essential for the production & maintenance of tissue lining that protects body organs
• strengthen body’s immunity against infections. It is required for the production of white blood cells
• acts as an antioxidant to protect body cells against attacks by free radicals, which can cause health problems such as cancer & heart diseases
• cheddar cheese
• egg yolk
• liver
• carrot
• papaya
• spinach
• sweet potato leaves

Question 3

Function and Food sources of Vitamin D

Answer 3

• ensures calcium absorption, which then allows calcium to be deposited into the bones (mineralisation)
• egg yolk
• liver
• sardine with edible bones
• tuna
• fortified breakfast cereals
• shiitake mushrooms

Question 4

Function and Food sources of Vitamin E

Answer 4

• Acts as an antioxidant to protect body cells against free radicals, which can cause health problems such as cancer & heart diseases
• butter
• egg yolk
• salmon
• almond
• canola oil
• sunflower seeds
• peanut

Question 5

Function and Food sources of Vitamin K

Answer 5

• needed for the body to produce an enzyme that is involved in blood clotting
• is important for bone health as it is used in the formation of bones
• egg yolk
• full cream milk
• liver
• broccoli
• kiwi
• soya bean oil
• Spinach

Question 6

Function and Food sources of Vitamin B1

Answer 6

• Helps with energy production in the body. It is involved in the chemical reactions that release energy from food
• is essential for normal functioning of the nervous system. It is needed to produce chemicals for transmitting nerve signals in the nervous system
• Egg yolk
• liver
• pork
• barley
• black beans
• oats
• soya beans
• sesame seeds
• sunflower seeds

Question 7

Function and Food sources of Vitamin B2

Answer 7

• helps with energy production in the body. It is involved in the chemical reactions that release energy from food
• helps to maintain good skin health due to its anti-inflammatory properties
• beef
• egg yolk
• liver
• milk
• almond
• kale
• shiitake mushroom
• soya bean

Question 8

Function and Food sources of Vitamin B3

Answer 8

• helps with the energy production in the body. It is involved in chemical reactions that release energy from food
• beef
• lamb
• liver
• pork
• salmon
• tuna
• avocado
• brown rice
• shiitake mushroom

Question 9

Function and Food sources of Vitamin B12

Answer 9

• helps with energy production of food. It is involved in a chemical reaction that releases energy from food
• activates enzymes for the synthesis of genetic material in the body
• essential for the normal functioning of the nervous system that helps protect nerve fibres in the body
• beef
• egg yolk
• liver
  -milk

Question 10

Function and Food sources of Vitamin C

Answer 10

• enhances iron absorption in the body by keeping iron in its most absorbable form
• involved in the synthesis of collagen by helping to strengthen the collagen formed
• acts as an antioxidant to protect body cells against free radicals, which cause problems such as cancer & heart diseases
• needed to support the immune system by encouraging the production of white blood cells, which protects the body against infections
• broccoli
• kale
• guava
• kiwi
• orange
• papaya