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Protein

Protein. Revision. Protein- Why do we need it?. Protein is the most important nutrient. This is because it is the only nutrient that can be used for growth and the building and repair of body cells. What foods are good sources of protein?. Proteins - what are they?.

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Protein

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  1. Protein Revision

  2. Protein- Why do we need it? Protein is the most important nutrient. This is because it is the only nutrient that can be used for growth and the building and repair of body cells.

  3. What foods are good sources of protein?

  4. Proteins - what are they? Proteins are made up of long chains of building blocks called amino acids. There are 20 amino acids that make up proteins! Our bodies can make 11 amino acids called non dispensable amino acids. We need to obtain the other 9 essential amino acids from our diet!

  5. Amino Acids • 10 essential amino acids are needed by children for growth • 8 essential amino acids are needed by adults for the repair and maintenance of body cells

  6. Foods containing all the essential amino acids are said to have high biological value (HBV). HBV foods come from animal sources and include…. Meat, fish, poultry, eggs, milk and cheese. (Soya is the only plant HBV protein!)

  7. Other protein sources from plants include; peas, beans, lentils, cereals such as rice, wheat flour, pasta, nuts & seeds. These foods tend to lack one of the essential amino acids and are said to have low biological value (LBV).

  8. Write down a definition…. High Biological Value (HBV) - Protein foods containing all of the essential amino acids including, meat, fish, cheese, eggs, milk and also soya. Low Biological Value (LBV) - protein foods that lack one of the essential amino acids including, peas, beans, lentils, cereals such as rice, wheat flour, pasta, nuts and seeds.

  9. Vegetarians Lacto ovo Vegetarians - don’t eat meat but will eat eggs and dairy products. Lacto vegetarians - do not eat meat or eggs but will eat dairy products such as milk. Vegans - DO NOT eat any animal products which include meat, poultry, fish eggs and dairy products and bee products like honey.

  10. Textured soya is a protein made from wheat and soya beans. It can be made into different shapes and sizes and even made into products which look like ham, beef and poultry. Soya Beans Whole soybeans are an excellent source of protein and dietary fibre. Soy protein is the only vegetable with a complete protein. Raw soybeans are toxic to humans so must be cooked! Soya beans can be made into many products including soy flour and soymilk! Quorn is the name of the brand! Mycoprotein is the main ingredient in all Quorn products. It's made from a member of the fungi family. It is low in fat and can be made into many shapes and sizes. (HBV source of protein) Tofu is soya bean curd and can be used in stir fries and other dishes. It is high in protein and also calcium!

  11. Quiz ?? Protein is needed for … A) Energy & warmth B) Growth & the building and repair of body cells C) A healthy digestive system

  12. Proteins are made up of … A) Nutrients B) Essential Minerals C) Amino Acids

  13. Proteins which contain all of the essential amino acids are called… A) High Biological Value proteins B) Low Biological Value proteins C) Extra Value proteins

  14. High Biological Value proteins include…. A) Pasta, rice, peas, cereals, nuts B) Eggs, Milk, Cheese, Meat, Fish & soya C) Eggs, milk, bread, rice, pasta

  15. Lacto ovo Vegetarians do not eat meat but will eat….? A) Eggs & Diary products B) Fish & poultry C) Dairy products except for eggs

  16. Soya beans, Quorn & Tofu are a good meat alternative for which group people? A) Coeliacs B) Diabetics C) Vegetarians

  17. Low Biological Proteins… A) Are bad for our health B) Provide all the essential amino acids C) Lack one of the essential amino acids

  18. Lacto Vegetarians will eat…. A) Fish & poultry B) Eggs & Dairy products C) Dairy products except for eggs

  19. Vegans will….? A) not eat any animals products except for milk B) not eat any food that comes from an animal C) eat dairy products

  20. 10 essential amino acids are needed by children. How many are needed by adults? A) 5 B) 12 C) 8

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