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Fitoterapia. 2011 Apr;82(3):474-80. doi: 10.1016/j.fitote.2010.12.006. Epub 2010 Dec 24.

Pharmacological studies in an herbal drug combination of St. John's Wort (Hypericum perforatum) and passion flower (Passiflora incarnata): in vitro and in vivo evidence of synergy between Hypericum and Passiflora in antidepressant pharmacological models.

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1
Department of Psychiatry, University of Freiburg Medical School, Freiburg, Germany.

Abstract

Extracts of Hypericum, Passiflora and Valeriana are used for the treatment of mild depression and anxiety. We were interested whether a combination of Hypericum and Passiflora exerts comparable effects to Hypericum alone. We used two well-established models for investigating extracts for their anti-depressant activity, namely the effects on synaptic uptake of serotonin and the forced-swimming-test. We show here for the first time, that Passiflora significantly enhances the pharmacological potency of Hypericum in both models. Our data suggest that anti-depressive therapeutic effects of Hypericum are possible with lower doses, when it is combined with Passiflora, than with mono-preparations of Hypericum.

PMID:
21185920
DOI:
10.1016/j.fitote.2010.12.006
[Indexed for MEDLINE]
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