Properties of proline

Benefits and functions of proline nonessential amino acid

What is proline?

Proline is a nonessential amino acid because it can be synthesized by the body itself from glutamic acid.

If glutamic acid undergoes a hydroxylation reaction, it becomes hydroxyproline.

Its abbreviation is Pro.

The highest concentration of proline resides in bone and muscles, connective tissue, specifically, it take part of the collagen fibers.

Properties of proline

– Proline shares functions of collagen synthesis, bone and muscle tissue maintenance, including proper maintenance of tendons and ligaments, as well as its hydroxylated version (amino acid hydroxyproline).

– Proline-rich foods are necessary for healthy skin.

– Proline is indicated for the conservation of joints as prevention of arthritis, to help regenerate torn ligaments, and tissues and mucosal healing.

– Good levels of this amino acid can help prevent or ameliorate diseases, such as ulcers, cardiovascular disorders or skin problems such as wounds and burns.

– Proline is related to the proper maintenance of certain immunoglobulins and therefore the immune system.

cabbage leaves
Among vegetables, cabbage leaves are rich in proline.

Contraindications of proline

Consumption is contraindicated in the days before when going to perform a test urine because it can alter the results.

Foods containing proline

Animal foods are those that contain more proline, for example, fish (monkfish, cod and fish broth)

Within plant foods, we include, for example, cabbager or cucumber

* More information: Foods rich in proline

Proline supplements

Although you can take supplements of proline, it is recommended to meet the needs of this amino acid through a balanced diet. If supplementation is necessary, consult with the specialist before taking it.

* Related information:

Properties of proteins

Proteins formation

Proteins function

Daily proteins needs

Vegetal proteins

How to combine vegetable proteins

List of amino acids in food

Essential amino acids

Nonessential amino acids

Phenylalanine, Isoleucine, Leucine, Lysine, Methionine, Threonine, Tryptophan, Valine

Aspartic acid, Glutaminic acid, Alanine, Arginine, Cysteine, Cystine, Glycine, Hydroxyproline, Proline, Serine, Tyrosine


punto rojoMore information on amino acids.

Written by Editorial Botanical-online team in charge of content writing

20 May, 2022

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