Description_x000D_ Application_x000D_ L-Phenylalanine has been used as a component of cell culture media. It has been used in the preparation of Dulbecco′s Modified Eagle′s Medium which has been utilized as a basal media to maintain primary cultures of human embryonic kidney 293T cells._x000D_ Packaging_x000D_ 1 kg in poly bottle_x000D_ 10 mg in glass bottle_x000D_ 25, 100 g in poly bottle_x000D_ Biochem/physiol Actions_x000D_ L-Phenylalanine is an essential amino acid. It is significantly involved in the synthesis of neurotransmitters such as dopamine, epinephrine, norepinephrine, l-DOPA (Dihydroxyphenylalanine), melanin and thyroxine. L-Phenylalanine metabolism also results in phenylethylamine, that brings about effect of a stimulant in the brain and enhances mood.