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Sunday, June 05, 2011

Types of Proteins and Amino Acids

Proteins and amino acids come in many forms which perform different functions within the body. You may find that you are lacking in one type which affects your health adversely in a particular way.

1. Amino Acids
Since amino acids are the chains which build proteins, let us begin by looking at the various types we have in our bodies:
Nonessential Amino acids
These are produced by the liver and make up about 80% of the amount needed to function properly. Some examples are:
• asparagine
• aspartic acid
• cysteine
• glycine
• ornithine
• proline
Essential Amino acids
These are usually derived from diet and are the ones which you must be careful to supplement your body with in the right amounts to avoid a deficiency. Some of them are:
• isoleucine
• lysine
• phenylalanine
• tryptophan
• valine

2. Proteins
The complex structures formed when Аминокиселини come together becomes proteins. The two main categories in which they are grouped are:

Complete Proteins
These basically contain all nine of the essential amino acids. They are usually found in diet that consists of fish, poultry, meat and egg. Usually, they are not o be found in plants except in the case of soybean which is the only one in this category that contains complete proteins.

Incomplete Proteins
Simply put, these lack certain types of amino acids and are usually cereal and grains and also some vegetables. The key to being able to make incomplete Протеини work for your diet, for example if you are a vegetarian, is to combine different types of these foods to create a complete set of all nine of the essential amino acids. A good example is having a diet of rice and beans, or corn and beans, and even wheat cereal.