Proteins and Amino Acids
Proteins and amino acids
Proteins comprise amino acids, of which there are approximately twenty-two in number. Some of the amino acids can be manufactured by the body itself, but certain amino acids must be present in the diet. There are nine essential amino acids that cannot be made in the human body.
Some foods may contain some of these essential amino acids but others may be lacking. This is why it is necessary to eat foods in combination with each other so that the body will obtain complete nourishment.
Individuals who undertake fad or crash diets in an effort to quickly reduce excessive weight will often drastically reduce their intake of protein, whereas such individuals need above-normal quantities of protein in order to cope with the stress and strain of drastic dieting.
Proteins and all the amino acids that the body needs can be obtained through a proper diet. These proteins are available in both plant foods as well as animal foods. Some of the best sources can be obtained from, meats, chicken, fish, seafood, eggs, cheese, quinoa, chia seeds, nuts, seeds, beans, legumes, vegetables and some grains.
Growing and elderly people should be encouraged to have a high protein intake as rebuilding and repair of tissues continues throughout life. The minimum requirement of daily protein for an adult is 25-40 grams, however it is recommended that we get at least 60 to 75 grams per day.
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