tyrosine
C2Pronunciation
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Meanings
Noun
an amino acid used in proteins and in making several important biological molecules
Beyond the definition
Imagine your body is built with LEGO bricks. Amino acids are like those small pieces, and this one is one of them. It helps your body build proteins, and it also helps make important brain chemicals such as dopamine and norepinephrine. Because of that, it is often linked with mood, alertness, and focus. You can get it from foods like chicken, cheese, eggs, beans, and nuts.
Tyrosine is a non-essential amino acid, which means the body can usually make it on its own. Amino acids are the building blocks of proteins, and proteins help the body grow, repair tissue, carry substances, and make enzymes.
But tyrosine is not just part of protein. It is also used to make several important substances in the body, including the neurotransmitters dopamine, norepinephrine, and epinephrine. These chemicals help with mood, alertness, attention, and the body's response to stress.
You may also hear about it in discussions of food supplements that are meant to support mental performance or stress management, although research results are mixed. It is naturally found in many protein-rich foods, including chicken, turkey, fish, eggs, dairy products, beans, and nuts.
In medicine, tyrosine may come up when doctors talk about metabolism, nutrition, or certain rare genetic conditions such as phenylketonuria (PKU), which can affect how related amino acids are processed. So, while it may sound like a technical word, the main idea is simple: it is an amino acid that helps build proteins and helps the body make important brain chemicals.
Examples
- 1
Food sources
Tyrosine is an amino acid found in many high-protein foods.
- 2
Lab results
The lab report showed that her tyrosine levels were higher than normal.
- 3
Supplements
Some people take tyrosine supplements before a long day of work or study.
See also
Similar
- L-tyrosine
- 4-hydroxyphenylalanine
Shades of meaning
- Tyr
- Y
Contrast
- phenylalanine
- tryptophan
Used with (collocations)
- tyrosine kinase
- tyrosine residue
- tyrosine metabolism
Word family
- tyrosyl
- tyrosinemia
Explore
- amino acid
- catecholamine synthesis
Forms and spellings
1 form open this card.
Main spelling
- tyrosinenoun