Proteins

The proteins play an important role in the nutrition and are necessary for the body construction. You contain important elements as well as carbon, oxygen, hydrogen and additional but also nitrogen. Sometimes there are phosphorus and sulfur in addition. The above-mentioned elements form the amino acids. The amino acid which also is called proteinogene amino acid is the basic constituent of every protein. You have a common basic style and form long chains which contract with pleasure and further roll themselves up if they get together to proteins. The 20 happening amino acids are divided up into four groups: acid, basic, neutral and functional amino acids.

There are eight essential amino acids, these of the body can't be built up, therefore must be taken by eating. These essential amino acids are leucine, isoleucine, lysin, methionine, phenylalanine, threonine, tryptophan and valine. Meat contains amino acids but all essential acids are only available in the fruit and vegetables. Become the proteins depending on whether only amino acids or further substances are involved in the chain divided up into two groups:
  • If only amino acids are involved in the construction of proteins, then one talks about simple proteins
  • If further substances are involved to the chains, then one calls them combined proteins or proteids.
Some connect themselves in fibrous cords, one calls them fibrillar proteins, others form a spheroid thing, they are the globulins. Fibrillar proteins are happening collagens in the connective tissue . as valuable the proteins are for the body of their own, is expressed through the biological valency. Gram of the nutrition egg-white in question can gram of body egg-white which is the valency described and how many be formed from 100. Gram of egg-white per body weight should be taken one into dependence of sex and age between 0.8 - 12. Provide a healthy and varied nutrition diet (fruit, vegetables and grain) and animal food (fish, meat and dairy products) and cover the protein requirement together vegetable together.


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