Protein - Macro Nutrient Flashcards
What is Protein?
Proteins are large, complex molecules that play many critical roles in the body
Why do we need Protein?
To maintain the function of body tissues and organs
What are the 3 sources of Protein?
- Animal - Meat,Fish & Dairy
- Plant - Pulses, Lentils, Grains & Nuts
- Novel - Tofu & Soya
What are Amino Acids
When you eat Protein it is broken down into amino acids
They are rearranged into new proteins for our body.
How many types of Amino Acids are there?
8
What are essential Amino Acids
They can only be obtained from food
What does HBV mean
Proteins with High Biological Value
What has a High Biological value
Foods that contain ALL essential Amino Acids
What foods have HBV
Meat, Fish, Dairy, soya and Quinoa
What does LBV mean
Proteins with Low Biological Value
What has a Low Biological Value
Foods that lack 1 or more essential Amino Acids
What foods have LBV
Beans, Pulses, nuts & seeds
What happens if you mix Proteins
It will increase the Biological value
Name Protein Alternatives (man made proteins)
Soya Beans, Mycoprotein (Quorn is made from it) Quinoa
What happens when you have a deficiency of Protein
It is rare in the developed world but poor growth, hair loss and Infections
