Valerian (herb) particular binding site. Hydrophilic extractions of the herb commonly sold over the counter, however, probably do not contain significant amounts of isovaltrate. Valerenic acid in valerian stimulates serotonin receptors as a partial agonist, including 5-HT which is implicated in the sleep-wake cycle. The chief constituent of valerian is a yellowish-green to brownish-yellow oil present in the dried root, varying in content from 0.5 to 2.0%. This variation in quantity may be determined by location; a dry, stony soil yields a root richer in oil than moist, fertile soil. The volatile oils that form the active ingredient are pungent, somewhat reminiscent
Valerian and the City of a Thousand Planets low-tech humanoid race lives peacefully. They fish for pearls containing enormous amounts of energy, and use small animals to replicate them. Wreckage begins plummeting from the sky, followed by a huge spacecraft falling and causing an apocalyptic explosion. Moments before her death a young princess manages to send out a telepathic signal. Shaken, Valerian awakes. After an analysis reveals he might have received a signal from across time and space, he learns that his mission is to retrieve a "Mül converter", so-called for being able to replicate anything it eats. It is the last of its kind, and currently in