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 everyone before kidnapping Filitt. Valerian chases the kidnappers to the infected area and crashes his vehicle. Evading arrest for insubordination, Laureline enlists the help of some aliens to track Valerian, and finds him unconscious at the edge of the infected zone. She wakes him, but is kidnapped by a primitive imperial tribe emigrated from planet Goara called "Boulan Bathors" that lives nearby. Valerian infiltrates the tribe's territory with the help of a shape-shifting Glamopod entertainer, Bubble, which he meets in red-light district Paradise Alley. They save Laureline and escape, but Bubble is mortally wounded. As she dies, she convinces Valerian