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  • Title: Behavioural effects of cathinone, an amine obtained from Catha edulis Forsk.: comparisons with amphetamine, norpseudoephedrine, apomorphine and nomifensine.
    Author: Zelger JL, Schorno HX, Carlini EA.
    Journal: Bull Narc; 1980; 32(3):67-81. PubMed ID: 6911034.
    Abstract:
    The effect of khat (Catha edulis Forsk., family Celastraceae), a plant used for its stimulant effects in eastern Africa and southern Arabia, has until recently been attributed to the pharmacological action of d-norpseudoephedrine, also known as cathine. The isolation in 1975 of cathinone revived an earlier suggestion that the fresh leaves contained a substance more potent than cathine. The pharmacological assays reported on in this paper appear to confirm the higher stimulant capacity of cathinone. This substance produces qualitatively similar locomotor stimulation in mice and comparable stereotypy in rats as amphetamine does, although it is approximately half as active. The results obtained after pre-treatment with reserpine or alpha-methyl-p-tyrosine, which interfere with the catecholamine system, strongly suggest that cathinone interacts with brain catecholamines by an indirect mechanism and, most probably, by affecting neurotransmitter release of the labile pool.
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