phenylalanine

noun phe·nyl·al·a·nine \ ˌfe-nᵊl-ˈa-lə-ˌnēn , ˌfē- \

Definition of phenylalanine

: an essential amino acid C9H11NO2 that is converted in the normal body to tyrosine

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Origin and Etymology of phenylalanine

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Medical Dictionary

phenylalanine

noun phe·nyl·al·a·nine \ ˌfen-ᵊl-ˈal-ə-ˌnēn, ˌfēn- \

medical Definition of phenylalanine

: an essential amino acid C9H11NO2 that is obtained in its levorotatory L-form by the hydrolysis of proteins (as lactalbumin), that is essential in human nutrition, and that is converted in the normal body to tyrosine abbreviation Phe — see phenylketonuria, phenylpyruvic acid

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