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. 2013 Jul 10;2013:615685. doi: 10.1155/2013/615685

Table 1.

Effect of repeated administration of olive oil on brain 5-HT levels and its metabolite 5-HIAA levels.

Parameter Control
(water)
Test
(olive oil)
Significance
5-HT 52.6 ± 13.5 31 ± 4.6 **P < 0.01
5-HIAA 97.2 ± 6.8 68.2 ± 7.9 **P < 0.01

Values are mean ± SD (n = 5) and significant differences by Student's t-test are represented as **(P < 0.01) from water treated control.