As is the case with other plant foods, potatoes are an incomplete protein. This means that, while they provide all nine amino acids, potatoes do not contain enough of each amino acid to be considered a complete protein.
Is a potato an incomplete protein?
Potatoes are technically a complete protein but are very low in tryptophan, methionine and histadine. Thus, to make a more evenly-balanced and complete protein, you need to combine potatoes with a food high in at least those three amino acids.
Does a potato have all essential amino acids?
Technically, the traditional white potato contains all the essential amino acids you need to build proteins, repair cells, and fight diseases. And eating just five of them a day would get you there. However, if you sustained on white potatoes alone, you would eventually run into vitamin and mineral deficiencies.
Is corn and potato a complete protein?
A vegetarian diet based on any single one or combination of these unprocessed starches (eg, rice, corn, potatoes, beans), with the addition of vegetables and fruits, supplies all the protein, amino acids, essential fats, minerals, and vitamins (with the exception of vitamin B12) necessary for excellent health.
Do potatoes and peas make a complete protein?
There is no digestive or nutritive goal beyond making complete proteins from vegetable, grain, bean or legume, and seed or nut combinations. Though these foods are healthy, by themselves they cannot supply complete proteins.
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