Protein is one of the nutrientsbeside with vitamins, minerals, carbohydrate, fat and water. The source of allof these nutrients is good. Some foods have much higher amounts of particularnutrients than others and from time to time we refer to certain foods as“Protein Foods.” It is necessary to realize that all Foods contain more thanone nutrient and most foods have substantial amounts of a number of nutrients.For example, meat, which is a good resource of carbohydrate, riboflavin,protein, fat and calcium? Protein is an necessarynutrient. There is no life without Proteins. Protein is contained in every partof our body, blood, the skin, body organs, hair, muscles,eyes, even bone andFingernails . Next to water, protein is the most plentiful import in our body.
Proteins are biochemical compoundconsisting of one or more polypeptides typically folded into a globular orfibrous form, facilitating a biological task. It is one of the three major, ormacro, nutrients. Protein is found inevery muscle, cell, and tissue of our body also it is available in many of the foods that we take everyday.. Basically the protein inour body is the same as the protein in our food, except that it is structureddifferently. Unlike carbohydrates andfats (the additional two types of macronutrients), Proteins are comprised ofnitrogen-containing groups called amino acids.We know there are 22 kind ofamino acid and the body needs all of them to function properly. Essential amino acids are tryptophan,methionine,leonine, isoleucine, phenylalanine and histidine. Non-essentialamino acids include asparagine, aspartic acid,alanine and glutamic acid. Conditional amino acidsinclude glutamine, arginine,cysteine,proline, glycine, serine, andtyrosine.
Amino acids are found in animal sources such as meats, milk, fish and eggs, aswell as in plant source such as whole grains, pulses, legumes, soy, nuts andseeds. Vegetarians can get enough essential amino acids by eating a variety ofplant proteins.People who avoid animal products may practice Proteins combining to get theessential amino acids in their diet
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