tryp·to·phan

(trĭp′tə-făn′) also tryp·to·phane (-fān′)

An essential amino acid, C₁₁H₁₂N₂O₂, formed from proteins during digestion by the action of proteolytic enzymes. It is necessary for normal growth and development and is the precursor of several substances, including serotonin and niacin.

[trypt(ic), of trypsin (formed on the model of pepsin, peptic); see trypsin + -phan(e).]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

tryptophane - an amino acid that occurs in proteins; is essential for growth and normal metabolism; a precursor of niacin

tryptophan

essential amino acid - an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet

Translations

Tryptophan

Mentioned in

References in periodicals archive

On tyrosine and tryptophane determinations in proteins.

Physicochemical and microbiological stability of mixed nectar of orange and uvaia/ Estabilidade fisico-quimica e microbiologica de nectar misto de laranja e uvaza

tigridis, is an index for comparing the relative nutritional value of seafood oil.Leucine and lysine were the most important proportions of the essential amino acids, and tryptophane was the minor one.

Amino Acid and Fatty Acid Composition of Freshwater Mussels, Anodonta pseudodopsis and Unio tigridis

the blocker of tryptophane hydroxylase, significantly decreased the number of larvae reaching the upper chamber (Fig.

Neuronal Development in the Larvae of the Invasive Biofouler Dreissena polymorpha (Mollusca: Bivalvia), with Special Attention to Sensory Elements and Swimming Behavior

The influence of various amounts of pyridoxine hydrochloride upon the abnormal tryptophane load test in pregnant women.

Prevent and Cure Gestational Diabetes

Les legumineuses sont riches en acides amines tryptophane et lysine qui sont deficients dans les cereales [20, 21].

MODALITES DE CONSOMMATION ET VALEUR NUTRITIONNELLE DES LEGUMINEUSES ALIMENTAIRES AU BURKINA FASO

Ciocalteu, "On tyrosine and tryptophane determinations in proteins," The Journal of Biological Chemistry, vol.

Antioxidant and Antimicrobial Activities of Pogostemon cablin (Blanco) Benth

Il renferme du tryptophane. De cet acide amine derive la serotonine, un sedatif naturel que l'on retrouve dans notre cerveau.

Alimentation saine et equilibree: une question de Variete et moderation

vulnificus Item isolates Gram--staining Gram--negative slightly curved rods Motility Motile O/129 sensitivity (150 mg) + B--Galactosidase production -- (OP.N.G) Arginine dihydrolase production (ADH) Lysine decarboxylase Variable production(LDC) Ornithine decarboxylase Variable production(ODC) Citrate utilization (CIT) -- H2S production(H2S) -- Urease production(URE) -- Tryptophane deaminase -- production (TDA) Indole production(IND) Variable Acetoin production(VP) -- Gelatinase production(CEL) Variable Acid from glucose(GLU) Variable Acid from manitol(MAN) Variable Acid from inositol(INO) -- Acid from Sorbitol(SOR) -- Acid from rhamnose(RHA) -- Acid from sucrose(SAC) -- Acid from melibiose(MEL) -- Acid from amygdalin (AMY) + Acid from arabinose (ARA) -- Cytochrome oxidase (OX) +

Gyrodactylus anguillae and Vibrio vulnificus infections affecting cultured eel, Anguilla anguilla/Infeccoes por Gyrodactylus anguillae e Vibrio vulnificus afetam enguias criadas em cativeiro, Anguilla anguilla

Most valuable are the following essential amino acids: valine, lysine, tryptophane, etc [3].

Influence of ion-ozone cavitation processing on the amino acid structure of wheat grain