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 Kuybyshev (ship) sails under Russian flag, and her home port is currently Nizhny Novgorod. Captain of the "Valerian Kuybyshev" (2014) is Aleksandr Gribov. The ship has two restaurants: Ladoga and Onega, two bars, solarium, sauna and resting area. Valerian Kuybyshev (ship) The Valerian Kuybyshev () is a "Valerian Kuybyshev"-class (92-016, OL400) Soviet/Russian river cruise ship, cruising in the Volga – Neva basin. The ship was built by Slovenské Lodenice at their shipyard in Komárno, Czechoslovakia and entered service in 1976. She was named after prominent Soviet politician Valerian Kuybyshev. At 3,950 tonnes, "Valerian Kuybyshev" is one of the world's biggest river cruise