FUNCTIONS of protein:
- GRWOTH of cells
- MAINTENANCE & REPAIR
- Source of ENERGY
ANIMAL sources:
- Meat
- Fish
- Cheese
- Eggs
- Milk
PLANT sources:
- Lentils
- Nuts
- Peas
- Beans
- Cereals
Deficiency can cause what DISEASES?
- MARASMUS
* KWASHIORKOR
How is MARASMUS CAUSED?
By a lack of PROTEIN and ENERGY in the diet. Affects both adults and children.
SYMPTOMS of MARASMUS:
- Old man face
- Skin hangs from the body
- Skin and bone
How can MARASMUS be treated?
- High protein diet
- Plenty of fluids
- Vit & min supplements
How is KWASHIORKOR caused?
- Baby is weaned from breast milk onto protein pot foods
* In 3rd world countries high protein foods can be hard to acquire
Who does it affect?
• common in Africa, Asia, South America (great poverty)
What are the SYMPTOMS of KWASHIORKOR?
- Pot belly
- Loss of muscle mass
- Red inflamed patches of skin
How can KWASHIORKOR be treated?
- Small amounts of milk
- Vit & min supplements
- Once ODEMA has reduced High calorie diets can be introduced
Complications of KWASHIORKOR:
If developed before 2yrs stunted growth can occur
What is PEM?
Protein energy malnutrition
Deaths due to PEM?
49% of deaths in 0-5yrs on developing countries are caused by PEM
EXCESS protein?
- Surplus of ENERGY
- Demineralisation of BONES
- Deterioration of KIDNEYS for those with the disease
What are NOVEL SOURCES OF PROTEIN?
PROTEIN RICH SUBSTITUTES FOR VEGETARIANS: • Miso • Mycoprotein • Soya • Tofu • Tempeh • TVP
How many AA’s are INDISPENSABLE?
8 (CANNOT BE MADE IN THE BODY)
•Leucine
• Lysine
How many AA’s are DISPENSABLE?
10 (MADE IN THE BODY)
• Glutamine
• Glycine
What is PROTEIN COMPLEMENTATION:
LBV (lacking in lysine) + LBV( high in leucine)= HBV (full lysine content)
