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 Sidamon-Eristavi 1930s, he mostly retired to teaching arts. Valerian Sidamon-Eristavi Valerian Sidamon-Eristavi (; 2 July 1889 – 9 June 1943) was a Georgian Modernist artist and set designer. Born in the town of Kvareli into a noble family, Valerian Sidamon-Eristavi studied arts at Tiflis and Moscow. Returning to Georgia in 1915, he made a name as a caricaturist and illustrator and later switched to historical painting. He became best known for his set design for the Georgian theatre and cinema, for which he fruitfully collaborated with the leading director Kote Marjanishvili. He worked as an art director for about 35 films