Essential Amino Acids ■Arginine(Arg精)！ Tryptophan(Trp色) ■Threonine(Thr苏)Methionine(Met蛋) Lysine(Lys赖) ■Histidine(His组) Valine(Val缬) ■Leucine(Leu亮) Phenylalanine ■Isoleucine(Ile异亮) (Phe苯丙) Essential Amino Acids ◼Arginine (Arg 精) ◼Threonine (Thr 苏) ◼Lysine (Lys赖) ◼Valine (Val 缬) ◼Phenylalanine (Phe苯丙) ◼Tryptophan (Trp色) ◼Methionine (Met 蛋) ◼Histidine (His组) ◼Leucine (Leu亮) ◼Isoleucine (Ile异亮)