Figure 2

Results showing factors associated with synthesis of 5-HT. In (a) responses for intracellular tryptophan, (b) shows the ratio of 5-HTP: tryptophan, (c) shows levels of intracellular 5-HTP and (d) shows the ratio of 5-HT_i: 5-HTP_i. All results shown as mean ± S.E.M., where n = 7 and *p < 0.05.