(Figure 4B). Consequently, L-DOPA, 5-HTP and tryptophan had been decomposed to dopamine
(Figure 4B). Consequently, L-DOPA, 5-HTP and tryptophan had been decomposed to dopamine, 5-HT and tryptamine, respectively, by activation of DDC. Certainly, we observed a decreased level of L-dopa (ten) in…