瓦尔ine:Anamino acid, one of the 20 building blocks ofprotein. A dietaryessentialamino acid,valineis required for optimal growth of children. It is one of the three branched-chainamino acids. Deficiency of the dehydrogenaseenzymefor these branched-chain amino acids causesmaple syrup urine disease. Symbol:瓦尔.
