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
The Ghost of Vermeer of Delft Which Can Be Used As a Table reworkings of historic paintings, such as several works inspired by Millet's "Angelus". Images of anthropomorphic furniture as well as crutch-like objects are common in this period of his career. The Ghost of Vermeer of Delft Which Can Be Used As a Table The Ghost of Vermeer of Delft Which Can Be Used As a Table is a small Surrealist oil painting by Salvador Dalí. Its full title is The Ghost of Vermeer of Delft Which Can Be Used as a Table (Phenomenologic Theory of Furniture-Nutrition). It makes reference to "The Art of Painting" by Johannes Vermeer, a famous seventeenth-century work