proteins principal funding provided by usdas food stamp program, an equal opportunity provider and...
TRANSCRIPT
Proteins
Principal funding provided by USDA’s Food Stamp Principal funding provided by USDA’s Food Stamp Program, an equal opportunity provider and employer, Program, an equal opportunity provider and employer, helping limited income Californians buy more nutritious helping limited income Californians buy more nutritious foods for a healthier diet.foods for a healthier diet.
Proteins – a part of our diet
Carbohydrates (CHO)
Protein (PRO)
Fat
Protein
=
Your body is made of protein. Your body stores fat and carbohydrates
but does not store protein. Protein is made of amino acids, which
are like building blocks.
Amino Acids
Your body arranges amino acids to build the different proteins it needs.
- Muscles - Hair
- Nails - Skin
- Hormones - Cells
Amino Acids
There are 20 amino acids. It is easy for the body to make 10 of
these amino acids. Amino acids are made of similar
ingredients or elements: Carbon, hydrogen, oxygen, nitrogen and sulfur. C
C
C
O
HCH
N
C
s
C
N
N N N
N
Oo
o o o
H H
Essential Amino Acids Eight amino acids are essential for
humans. They are tryptophan, lysine, methionine, phenylalanine, threonine, valine, leucine, isoleucine.
Two amino acids are essential for children. They are alanine and histadine.
Your body can make the other 10 amino acids.
Essential Amino Acids Phenylalanine is used to make an amino acid
called, tyrosine. In a few cases, some people are missing or don’t
make enough of the enzyme to make tyrosine. This inherited disorder is called phenylketonuria
or PKU If it goes untreated, a person can suffer
retardation
Amino Acids
Body needs all eight essential AA Vegetarians must plan carefully to get
the essential amino acids
+ = Complete Protein
Protein Functions
Helps build muscles, blood, skin, hair, nails, and internal organs.
Helps the body grow & repair itself Helps fight disease.
Too Much Protein...
may mean too much fat. Over a long period, this can increase risk of heart disease diabetes and some types of cancer.
Too Much Protein…
may cause calcium loss.
No calcium in the diet? =
Too Much Protein... Means less carbohydrate intake to fuel
muscles. Your brain and eyes need a minimum of
100 grams of carbohydrates per day to work.
may overwork kidneys & lead to poor kidney function.
Protein Sources
All foods made from meat, poultry, fish, dry beans or peas, eggs, nuts, and seeds are protein foods. Dry beans and peas are part of this group as well as the vegetable group.
Protein Sources Animal Sources:
(Complete Proteins) Meat Poultry Fish Eggs Dairy Products
Plant Sources: (Incomplete Proteins) Dry Beans Peas Nuts Tofu
Grain Products
Protein in the Diet
Protein is a part of a healthy diet
About 15 – 25% of our calories should come from protein
Questions