One of the most interesting facts of quinoa is that it is one of the most protein-rich foods. Another interesting fact is that its leaves and flowers are an excellent source of vitamin A, while its seeds contain vitamin B, vitamin E and minerals such as iron and magnesium.
One hundred grams of quinoa seeds contain 14 to 18 g of proteins. It contains the nine essential amino acids in the required proportions. An example of an essential amino acid in quinoa is lysine. Lysine is vital for tissue growth and repair. Quinoa does not contain gluten, a protein found in grains, which may induce diarrhea in persons with celiac disease.
Tender leaves and flower heads of the quinoa plant contain high levels of vitamin A and antioxidants such as carotene and lutein. Antioxidants remove harmful free radicals from the body thus protect from degenerative neurological diseases, cancers and aging.
Quinoa grains are good sources of vitamin E vitamin B and essential fatty acids such as linoleic. The grains are also rich in dietary fibers and minerals such as magnesium and iron. Magnesium ensures a smooth flow of blood by relaxing the blood vessels. Iron is needed for the formation of red blood cells.