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 Maykov particular literary works as with the way these works fitted into his own "rather neat and elaborate aesthetic theory". In fact, Maykov himself (in a letter to Turgenev) admitted that he'd "never meant to become a critic in terms of evaluating "other people's literary works". "I always dreamt of a scientist's career. But how could I make the common public read my scientific works? For me literary criticism is the only way of enticing it into the spheres of my scientific interest," he wrote. Valerian Maykov Valerian Nikolayevich Maykov (, September 9, 1823, Moscow, Russia — July 27, 1847, v.Novoye)