Posted on October 27, 2009 in Diet and Fitness
A protein that contains all eight vital amino acids in adequate scoops to maintain normal biological function is called as a complete protein. The eight vital amino acids in adults are:
- Valine
- Lysine
- Leucine
- Isoleucine
- Threonine
- Methionine
- Tryptophan
- Phenylalanine
These amino acids are “Vital” because the body cannot produce them. They have to be gained through diet. There is another acid called histadine, which was added recently to the list, after the scientists revealed that adults cannot produce it.
Incomplete proteins are the products that lack in one or more qualities of the eight amino acids. Most proteins that are extracted from a plant family will come under the list of incomplete protein.
While the proteins that are gained from animal meet are considered as the primary sources of complete protein.
Examples of Complete Proteins from Animal Sources
- Fish
- Milk
- Eggs
- Meat
- Cheese
- Poultry
- Shellfish/Seafood
All eight vital amino acids are present in each of these food sources. So when you consume these foods, there would be no need for any other extra supplementation.
Examples of Complete Proteins from Plant Sources
The plants that provide complete protein are very few, the sources of complete protein include:
- Quinoa
- Soybeans
- Hempseed
- Buckwheat
People who eat both animal-based and plant-based foods usually do not have to worry about consuming complete proteins the quality of their diet will anyhow take care of it naturally
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