Vitamin D Deficiency disease Rickets

Constipation Not enough Dietary fibre

Constructive worker need more energy because They need more energy for stronger muscle contraction

Night blindness Need to eat more Fish liver oil, carrot

Rickets Need to eat more Dairy product, Cheese, Milk

Constipation Need to eat more vegetables

Vitamin C Deficiency disease Scurvy

Lipid Food test Spot test

Energy requirement depands on Age, gender, occupation, body status

Dietary fibre Function Stimulate peristalsis in gut (intestine)

Vitamin A Function Form pigment for night vision

Teenager need more protein because They need more protein for growth

Teenager need more calcium for The growth of bones and teeth

Starch Food test Iodine test

Matching Glucose..Protein Glycerol..Starch Amino acid..Lipid Fatty acid.

Vitamin D Function Help Calcium absorption

Scurvy Not enough Vitamin C

Clinistix paper Positive result Red to purple

Pregnant women need more protein because They need more protein for foetus growth

Iron Deficiency disease Anaemia

Rickets Not enough Calcium/ Vitamin D

Baby need more energy per unit body weight because The relative surface area of baby is large, they need more energy to produce heat to compensate heat loss

DCPIP test Positive result Blue to colourless Decolorized

Peter: Weight:50kg, Daily energy requirements: kJ Calculate Peter’s daily energy requirement per unit body weight (kJ/kg)? 11500/50 = 230 kJ/kg

Vitamin C Food test DCPIP test

Glucose Function Produce energy by respiration

Reducing sugar Food test Benedict’s test

What is the fate of excess protein? Excess amino acids cannot stored and will be broken down in liver by deamination : (i) Urea formed is carried via the bloodstream to the kidneys and is excreted in the urine. (ii) The remaining part of the amino acid is converted to glycogen and stored in liver.

Benedict’s test Positive result Brick red precipitate

Protein Food test Albustix paper

Iodine test Positive result Brown to blue black

Protein Functions Growth and repair, produce enzyme, hormone, haemoglobin

Lipid Function Produce energy, shock absorber, heat insulator

Calcium Function Form bones and teeth

Water Function As solvent, for transport, heat loss by sweating

Vitamin A Deficiency disease Night blindness

What is the fate of excess glucose? Excess glucose is converted to glycogen by the liver for storage. Some of the excess glucose is converted to lipid.

Calculate the energy in 300mL milk Milk (per 100 mL) Energy272 kJ Carbohydrate4.8g Protein3.4g Fat3.8g Calcium110 mg 272*3 = 816 kJ

Dietary fibre Deficiency disease Constipation

Albustix paper Positive result Yellow to Green

Calcium Deficiency disease Rickets

Scurvy Need to eat more Fruit, vegetable

Anaemia Need to eat more Meat, liver

Girls needs more iron than boys because Girls loss blood in menstruation. They need more iron to produce haemoglobin in blood

Teenager need more protein because They need more protein for growth

Night blindness Not enough Vitamin A

Glucose Food test Clinistix paper

Spot test Positive result Translucent spot disappeared

Anaemia Not enough Iron

Vitamin C Function Forming connective tissue

Iron Function Form haemoglogin