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South African flowers may be a future treatment for depression - Scientists have discovered that plant compounds from a South African flower may in time be used to treat diseases originating in the brain – including depression. At the University of Copenhagen, a number of these substances have now been tested in a laboratory model of the blood-brain barrier. The results have been published in the Journal of Pharmacy and Pharmacology. Reference: 'In-vitro evaluation of the P-glycoprotein interactions of a series of potentially CNS-active Amaryllidaceae alkaloids,' J. Pharm. Pharmacol., 4 JUN 2012 DOI: 10.1111/j.2042-7158.2012.01536.x