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 Pidmohylny of her primary admirers is a scientist, and a major theme is the tension between the administration of reason-based science and human emotional life. It is available in English translation. Valerian Pidmohylny Valerian Pidmohylny (Валеріан Підмогильний, February 2, 1901 - November 3, 1937) was an important Ukrainian novelist, most famous for the realist novel "Misto" (The City). Like a number of Ukrainian writers, he flourished in 1920s Ukraine, but was finally constrained and eventually arrested by the Soviet authorities. He is considered one of the leading figures of the Executed Renaissance. Pidmohylny was born in Ekaterinoslav Governorate (now Dnipropetrovsk Oblast,