Applying high heat, acids like alcohol, loads of salt, or radiation to proteins destroys the hydrogen bonds.

This will cause the amino acids of protein to fuse together and prevents them from being fully used by your body. 

The term "denatured" protein is used much more often than "coagulated" protein to describe this phenomenon.

However, when a protein is denatured, it actually means that the protein has lost its original 3 D shape and the bonds holding the helix shape of the protein has unravelled.

When a protein is coagulated, the protein strands begin to rejoin with other strands forming a solid mass. 

And since its shape has changed, the protein cannot function the same any more - whether its basic function was to be structural or functional.

Cooking your food can coagulate 50 to 100% of the proteins depending on how long and how much heat is applied to the food.

Eggs Whites:  Non-Denatured & Non-Coagulated

Non-denatured proteins are functional proteins because they have not lost their original shape and they are still soluble in water. 

Egg Whites:  Denaturation & Coagulation Occurring

Denatured proteins is what happens before coagulated proteins. 

Egg Whites:  Denatured and Coagulated

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Coagulated proteins will be more visible than denatured proteins to the human eye.

Protein functions as a "macro-nutrient" which means that your body will need a good amount of this nutrient.

Protein is an important component of every cell in your body.

The benefits of protein include being important building blocks of your bones, muscles, hair, skin, nails and blood. 

And your body also uses protein to make its enzymes, hormones, antibodies, and neurotransmitters.

This macro-nutrient repairs and maintains every cell in your body. 

The benefits of protein also control many of the important processes related to metabolism, body development, wound healing, and the replenishment of lost blood.

The most important thing to remember about the benefits of protein is that it supplies the building blocks called amino acids. 

Amino acids are needed by your body to make the numerous types of proteins which are necessary for the growth of your body, mind, and spirit.

There are many many different types of proteins.

However, proteins are usually classified as either structural or functional proteins.   

Structural proteins include collagen and keratin which are important building blocks for your nails, skin, hair, and your ligaments. 

Functional proteins are responsible for your hormones, receptor molecules, hemoglobin, antibodies, and vital enzymes.  

The recommended daily allowance for protein is about 0.36 grams of protein per pound of body weight. 

For example, if you weigh 150 pounds, you would need to consume 54 grams of protein per day to get the benefits of protein.

However, your personal need for protein will actually depend on your individual circumstances and needs.

If you are an athlete, pregnant, an older adult, a growing teenager, or eating coagulated proteins - you will probably need more protein to fulfill your daily requirements.