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 Rodrigues at the University of Erfurt, Visiting Professor at the University of Wurzburg and Fellow at the Max Weber Center for Advanced Studies, Erfurt, Germany. Valerian Rodrigues Valerian Rodrigues (born 1949) is an Indian political scientist. He is known for his seminal work on Babasaheb Ambedkar, and for his formulations of themes in Modern Indian Political Thought. He is currently Ambedkar Chair at the Ambedkar University Delhi. Rodrigues has made substantial contributions to the debate on the working of the Indian Parliament, constitutionalism in India, and agrarian politics in India. As a Professor at the Centre for Political Studies at Jawaharlal