Valerian (herb) some affinity for the GABA receptor, a class of receptors on which benzodiazepines are known to act. Valeric acid, which is responsible for the typical odor of mostly older valerian roots, does not have any sedative properties. Valeric acid is related to valproic acid, a widely prescribed anticonvulsant; valproic acid is a derivative of valeric acid. Valerian also contains isovaltrate, which has been shown to be an inverse agonist for adenosine A receptor sites. This action likely does not contribute to the herb's possible sedative effects, which would be expected from an agonist, rather than an inverse agonist, at this
Valerian and the City of a Thousand Planets of 1975) and extraterrestrial peoples, the former International Space Station has been added to until its mass threatens to cause it to fall out of orbit. Relocated to deep space using a set of thrusters, it becomes Alpha, a space-traveling city inhabited by millions of species from thousands of planets. A special police division is created by the "United Human Federation" (a world government formed by a federation of Earth's countries) to preserve peace through the galaxy, including happy-go-lucky Major Valerian and his partner, no-nonsense Sergeant Laureline. En route to a mission, Valerian dreams of a planet, Mül, where a