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Atkins Diet - Information of Protein
Protein is a vital nutrient which is essential to
our
health. It is made up of smaller units
called amino acids. There are 22 amino acids commonly found in plant
and animal proteins that combine to form different proteins, and 8 of these must come
from the foods we eat.
Amino acids are
simple compounds containing carbon, hydrogen, oxygen, nitrogen and occasionally
sulphur. Proteins are essential for growth and repair. They play a vital role in
virtually all biological processes in the body. All enzymes are proteins and are
vital for the body's metabolism. Our body uses these amino acids to create muscles, blood,
skin, hair, nails and internal organs. Proteins help replace and form new
tissue, transports oxygen and nutrients in our blood and cells, regulates the
balance of water and acids, and is needed to make antibodies.
Protein can also provide a source of
energy. Generally the body uses carbohydrate and fat for energy but when there
is excess dietary protein or inadequate dietary fat and carbohydrate, protein is
used. Excess protein may also be converted to fat and stored.
According to the American Heart Association and the National
Institutes of Health, an adult needed 50-60 grams of protein. Our body only needs
0.36 grams of protein per pound of body weight. Infants, children, pregnant and nursing women require more
protein.
Most foods contain at least some
protein. Good sources of protein include grains, nuts and seeds, pulses, soya
products,
cereals , free-range eggs and some dairy products like milk,
cheese and yoghurt.
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