Cov khoom ntawm Aromatic amino acids
Cov tshuaj tsw qab amino acids (AAA) yog qhov ua ntej rau cov kev sib txuas ntawm cov monoamine transmitters (suav nrog catecholamines thiab serotonin). Serotonin muaj cov nyhuv ntawm antagonizing acetylcholine. Thaum lub caij ua kev tawm dag zog, cov ntsiab lus ntawm AAA hauv lub hlwb cov ntaub so ntswg ntau ntxiv.
Cov ntsiab lus ntawm tryptophan hauv tshuaj yej tsob ntoo yub tua yog qhov tsawg heev, thaum cov ntsiab lus ntawm phenylalanine thiab tyrosine muaj ntau heev. Ob qho D-phenylalanine thiab D-tryptophan nthuav qhia cov khoom qab zib, uas muaj txiaj ntsig zoo rau saj ntawm dej tshuaj yej.