Antidepressant Effect of Tetragonia tetragonoides (Pall.) Kuntze Extract on Serotonin Turnover

Figure 4

Serotonin structure and effect of TTK on serum serotonin level. Ovariectomized 8-wks-old female SD rats were fed AIN-76A modified diet (supplemented with 0.5%, 1%, and 2% TTK extract) for 8 weeks. The serum serotonin level was measured using a competitive enzyme-linked immunosorbent assay (ELISA) kit. All values represent means ± SD and ^ap<0.05 versus vehicle group; ^bp<0.05 versus 0.5% TTK group.