A=Apple / "Ang Mou Dan" B=Banana / "Buah Duku" C=Cherry/Coconut / "Xi Gua" D=Durian/dragon fruit / "D24"

1. 4S6 24/6/2010
VITAMIN

2. Learning outcomes:
At the end of the lesson, you will be able to:
1) Explain the functions of vitamin in a diet to
maintain health,
2) List the sources of vitamins in a diet,
3) Explain the effects of deficiency and
overdose of vitamins to human body.

3. The scary
Sick patient…

4. Vitamin
Group of complex non-protein organic
compounds
which are needed
in relatively small quantities
by living organisms.

5. Vitamin
• NOT synthesized in human body.
(except Vitamin D)
• Vitamins –from food
• Easily destroyed by heat.
• Provide NO energy.
• for the maintenance of good
health and efficient metabolism.

6. • A,D,E,K
Fat-soluble • can be stored in body fat
Vitamins
• B complex,C
Water-soluble • cannot be stored in the body,
• have to be constantly
Vitamins supplied in daily diet

7. Refer to the worksheets

8. Fat-soluble Vitamins
Vitamins Functions Effects of Major Food
Deficiency Sources
A For vision •Night ?
Healthy skin Blindness,
Body immunity •Dry Mucous
membrane &
skin,
•Infections
D Help in calcium •Rickets (bend ?
absorption legs),
Helps in building •Brittle Bones
strong bones &
healthy teeth

9. Fat-soluble Vitamins
Vitamins Functions Effects of Major Food
Deficiency Sources
E Antioxidant •Premature aging, ?
Preserve healthy muscular •Deterioration of
system, nervous system, muscles,
blood circulatory system •Degeneration of
Maintain function of the nerves,
reproductive system •Low fertility
K Blood Clotting Takes a long time ?
for blood to clot

10. Water-soluble Vitamins
Vitamins Functions Effects of Major Food
Deficiency Sources
B1, B2, B3, B5, •vitamin B complex generally serve •B1-Beri-beri, ?
B6, B9, B12, as components of coenzymes. •B3-Pellagra,
•B6-Anemia,
•They work together with enzymes in •B12-Pernicious
key metabolic processes which Anemia,
supply energy or
are involved in the synthesis of
substance required by the body
C Maintenance of connective tissue Scurvy ?
Increase resistance to infections
Antioxidants
For healthy skin & efficient healing
of wounds

11. Quiz

12. Night Blindness
Rabun Ayam
Vitamin A

13. Rickets

14. B1-Beri-beri
• Degeneration of the nerves
• Limbs are paralysed

15. B3-Pellagra
• Skin lesions
• Scaly skin sores

16. Scurvy
Gums become soft,
teeth grow loose