Protein in main role


The human body is made up of 65% water, 20% protein, 10% fat and 1% carbohydrates constitute 4-5% minerals.


Proteins

Protein composed of amino acids, are the most important structural components of living organisms. These components are of particular importance due to their functions. Eg:

1.They build and rebuild consuming tissue (eg hair loss or exfoliating the skin)

2.They are an essential component of the blood, lymph, hormones, enzymes or lymph

3.There are a carrier of vitamins and minerals

4.Maintain the proper pH of the digestive tract contents and body fluids


The nutritional value of proteins determines the content of essential amino acids in proteins and their relative proportions. For reference that is wholesome protein that can be used for comparing biological values of other proteins adopted egg white. On the basis of these comparisons the protein can be divided into:

1.Wholesome - with a high biological value, which include egg protein, milk protein, protein meat of poultry, fish, and animals for slaughter, as well as milk and cheese.

2.Defective - a low biological value. These plant proteins: vegetables, cereals, potatoes, among them the most value to the protein legumes.


Plant sources of protein are typically less relevant to dietary amino acids, however, when applying for a varied diet can easily meet the body's need for all amino acids.


Main protein sources are:

- meat - cheese, milk, kefir, yogurt

- fish

- eggs

- legumes

 

Nasza Klasa Wykop

 

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