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Depressant Effects of Salvia divinorum Involve Disruption of Physiological Sleep.

María Eva González-Trujano, Fernando Brindis, Edith López-ruiz, Ignacio Ramírez-salado, Adrián Martínez, Francisco Pellicer

Phytotherapy Research July 1, 2016 DOI: 10.1002/ptr.5617 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Experimental study Peer reviewed
Population Mice and rats
Intervention medium polar
Dose 10, 30, and 100 mg/kg for mice; 10 and 100 mg/kg for rats
Measures open-field, hole-board, exploration cylinder, plus-maze, sodium pentobarbital-induced hypnosis potentiation, polysomnographic analysis
Topics Salvia divinorum
Keywords Rem-sleep Central nervous system Polysomnography Salvinorins Sedative-hypnotic
Citations 10
Key findings Salvia divinorum extracts produce sedative-like effects, and the medium polar extract containing salvinorins fragments sleep architecture by reducing REM sleep and increasing quiet wakefulness in rats.

Abstract

Although Salvia divinorum is traditionally known as a 'mind-altering' or psychoactive herb used, among others things, as a tranquilizer, this property has not been validated with regard to its efficacy and safety. The objective of this study is to provide evidence for the sedative effects of S. divinorum and discriminate the nature of the responsible constituents by examining different experimental models. A battery of tests, including the open-field, hole-board, exploration cylinder, plus-maze and sodium pentobarbital-induced hypnosis potentiation, were used in mice after administration of non-polar, medium polar and/or polar extracts of the plant (10, 30 and 100 mg/kg). Polysomnographic analysis in rats receiving an active medium polar extract (10 and 100 mg/kg) containing salvinorins was also assessed to study the effects of this plant on sleep architecture. All tested extracts produced significant sedative-like responses, although those of the medium polar extract were more pronounced in mice. The sedative effect of this latter extract, which contains a mixture of salvinorins, caused fragmented sleep architecture in rats by diminishing rapid eye movement (REM) sleep and increased the quiet awake stage at 10 and 100 mg/kg. Our results provide evidence that S. divinorum exhibits sedative-like depressant properties that alter physiological sleep architecture. Copyright © 2016 John Wiley & Sons, Ltd.

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