amino acid

An amino acids is an organic compound, and it serves as a building block for proteins.

Each amino acid contains an amino group and a carboxylic acid group. Amino acids are important because they make up proteins, which are a vital part of your diet. When you consume food with amino acids, it turns them into proteins which are a source of energy. There are amino acids in food like bacon and eggs, which is why you get a burst of energy after eating them.

Definitions of amino acid
1

n organic compounds containing an amino group and a carboxylic acid group

“proteins are composed of various proportions of about 20 common amino acids
Synonyms:
aminoalkanoic acid
Types:
show 36 types...
hide 36 types...
alanine
a crystalline amino acid that occurs in many proteins
asparagine
a crystalline amino acid found in proteins and in many plants (e.g., asparagus)
aspartic acid
a crystalline amino acid found in proteins and occurring naturally in sugar beets and sugar cane
canavanine
an amino acid found in the jack bean
citrulline
an amino acid that does not occur in proteins but is an intermediate in the conversion of ornithine to arginine
cysteine
an amino acid containing sulfur that is found in most proteins; oxidizes on exposure to air to form cystine
cystine
a crystalline amino acid found in proteins (especially keratin); discovered in bladder stones
dihydroxyphenylalanine, dopa
amino acid that is formed in the liver and converted into dopamine in the brain
essential amino acid
an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet
GABA, gamma aminobutyric acid
an amino acid that is found in the central nervous system; acts as an inhibitory neurotransmitter
glutamic acid, glutaminic acid
an amino acid occurring in proteins; important in the nitrogen metabolism of plants; used in monosodium glutamate to enhance the flavor of meats
glutamine
a crystalline amino acid occurring in proteins; important in protein metabolism
glycine
the simplest amino acid found in proteins and the principal amino acid in sugar cane
hydroxyproline
a crystalline amino acid obtained from gelatin or collagen
iodoamino acid
an amino acid with iodine added
ornithine
an amino acid that does not occur in proteins but is important in the formation of urea
proline
an amino acid that is found in many proteins (especially collagen)
creatin, creatine
an amino acid that does not occur in proteins but is found in the muscle tissue of vertebrates both in the free form and as phosphocreatine; supplies energy for muscle contraction
sarcosine
a sweetish crystalline amino acid
serine
a sweetish crystalline amino acid involved in the synthesis by the body of cysteine
thyronine
a phenolic amino acid of which thyroxine is a derivative
tyramine
amino acid derived from tyrosine; has a sympathomimetic action; found in chocolate and cola drinks and ripe cheese and beer
tyrosine
an amino acid found in most proteins; a precursor of several hormones
Bendopa, Brocadopa, L-dopa, Larodopa, levodopa
the levorotatory form of dopa (trade names Bendopa and Brocadopa and Larodopa); as a drug it is used to treat Parkinson's disease
arginine
a bitter tasting amino acid found in proteins and necessary for nutrition; its absence from the diet leads to a reduced production of spermatozoa
iodotyrosine
tyrosine with iodine added
iodothyronine
thyronine with iodine added
histidine
an essential amino acid found in proteins that is important for the growth and repair of tissue
isoleucine
an essential amino acid found in proteins; isomeric with leucine
leucine
a white crystalline amino acid occurring in proteins that is essential for nutrition; obtained by the hydrolysis of most dietary proteins
lysine
an essential amino acid found in proteins; occurs especially in gelatin and casein
methionine
a crystalline amino acid containing sulfur; found in most proteins and essential for nutrition
phenylalanine
an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body
threonine
a colorless crystalline amino acid found in protein; occurs in the hydrolysates of certain proteins; an essential component of human nutrition
tryptophan, tryptophane
an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin
valine
an essential amino acid found in proteins; important for growth in children and nitrogen balance in adults
Type of:
organic compound
any compound of carbon and another element or a radical

Sign up, it's free!

Whether you're a student, an educator, or a life-long learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.