Proteins
- Created by: 2002_ames
- Created on: 12-03-17 12:50
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- Proteins
- Uses
- Growth
- From childhood to adulthood
- nails, hair muscle etc.
- Maintenance
- make enzymes for digestion
- make antibodies to prevent illness
- Growth
- What is protein?
- macronutrient
- Made from amino acids.
- thought of as building blocks for body.
- Somme can be made by body but not the essential amino acids.
- Found in:
- meat
- fish
- dairy
- seeds
- beans
- nuts
- High Biological Value (HBV)
- contain all essential amino acids
- mainly found in animal sources
- meat
- fish
- milk
- eggs
- Plant sources of HBV's:
- soya beans
- quinoa
- Low Biological Value (LBV)
- missing one or more of the essential amino acids
- Only found in plant sources:
- peas
- lentils
- nuts
- seeds
- beans
- smaller amounts found in veg such as broccoli and spinach
- Can combine different LBVs to make up for one HBV
- called protein complementation
- hummus and pitta
- beans on toast
- lentil curry
- Recommended intake
- female
- 45g
- 6g more when pregnant
- to help baby grow
- even more needed when breast feeding
- male
- 55g
- growing children need more to aid growth
- physically active need more for muscle growth and repair
- female
- Deficiency
- growth slows down
- hair, skin, nails poor condition
- growing too slowly to be in good shape
- problems with immune system
- wounds don't heal quickly
- higher risk of infection
- digestion difficulties
- nutrients are not taken in
- oedema
- build up of fluid causes swelling
- often around feet
- kwashiorkor
- severe cases
- symptom
- oedema around stomach
- Excess
- liver and kidney pressure and strain
- dangerous
- these organs help process proteins.
- liver and kidney pressure and strain
- Alternatives
- Soya
- plant based HBV
- eaten whole
- must be cooked
- used to make soya milk, tofu and TVP
- can be used in salads
- Mycoprotein
- made from mushroom like fungus and egg whites
- often used instead of chicken
- vegan alternative available
- made from potato startch
- TVP
- Textured Vegetable Protein
- made from soya beans
- used instead of meat in sausages and burgers
- Tofu
- made by curdling soya milk
- depending on water content, different texture
- soft
- desserts/dips
- firm
- stir fries
- extra firm/dry
- soft
- Beans, lentils, nuts, eggs. Vegetarian options
- Soya
- Uses
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