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 Gvilia Valerian Gvilia Valerian "Vako" Gvilia (, ; ; born 24 May 1994) is a Georgian football midfielder who also has Ukrainian citizenship. As of 2018, he plays for Swiss side Luzern. Gvilia is product of youth team system FC Metalurh Zaporizhya. He made his debut for FC Metalurh entering as a second time playing against FC Dnipro Dnipropetrovsk on 15 August 2014 in the Ukrainian Premier League. Gvilia signed a contract with Belarusian club BATE Borisov in early July 2016. In January 2018, Gvilia signed a three-year deal with Swiss Super League side Luzern. Gvilia was named in Georgia's senior