Fig. 7

The effect of CSR on the tryptophan metabolism in the brain. (A-D) The effect of CSR on the level of TRP, KYN, 3-HK, and KYNA in PFC. (E-H) The effect of CSR on the level of TRP, KYN, 3-HK, and KYNA in hippocampus. (n = 8–9). ⁺p < 0.05, ⁺⁺p < 0.01significant difference in female groups and ^{^}p < 0.05, ^{^^}p < 0.01, ^{^^^}p < 0.001 significant difference in male groups