What is Protein ?



WHAT IS PROTEIN ?


Protein is an essential nutrient for the human body.It is one of the building blocks of body tissue and can also serve as a fuel source.Protein is a nutrient needed by the human body for growth and maintenance. Aside from water, proteins are the most abundant kind of molecules in the body. Protein can be found in all cells of the body and is the major structural component of all cells in the body, especially muscle. This also includes body organs, hair and skin. 

Proteins are also used in membranes, such as glycoproteins. When broken down into amino acids, they are used as precursors to nucleic acid, co-enzymes, hormones, immune response, cellular repair, and other molecules essential for life. Additionally, protein is needed to form blood cells.

Dietary sources of protein include both animals and plants: meats, dairy products(milk, whey protein, yogurt and etc), fish(cooked fish, fish oil, fish oil caps etc) and eggs, as well as grains, legumes and nuts. Vegans can get enough essential amino acids by eating plant proteins.


WHAT ARE AMINO ACIDS ?

Amino acids are the building blocks of proteins. In eukaryotes, there are 20 standard amino acids out of which almost all proteins are made.Nine of the 20 standard amino acids are "essential" amino acids for humans. They cannot be built (synthesised) from other compounds by the human body, and so must be taken in as food.These nine essential amino acids must be obtained from the diet in order to prevent protein-energy malnutrition and resulting death. Others may be essential for some ages or medical conditions.





HOW MUCH PROTEIN SHOULD I CONSUME IN A DAY?



Your per day protein consumption totally depends on your weight, height, your activities throughout the day, your goals and etc.

However the DRI (Dietary Reference Intake) is 0.8 grams of protein per kilogram of body weight, or 0.36 grams per pound. This amounts to: 56 grams per day for the average sedentary man. 46 grams per day for the average sedentary woman. But to increase muscle mass in combination with physical activity, you need to consume between 1.2 and 1.7 grams of protein per kilogram of body weight per day, or 0.5 to 0.8 grams per pound of body weight.


Make sure to reach your daily protein need to keep your body healthy, immune and fit.

That will be all for today..................................

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