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Eugenol / ˈ j uː dʒ ɪ n ɒ l / is an allyl chain-substituted guaiacol, a member of the allylbenzene class of chemical compounds. [2] It is a colorless to pale yellow, aromatic oily liquid extracted from certain essential oils especially from clove, nutmeg, cinnamon, basil and bay leaf.
Oil of clove, also known as clove oil or eugenol, is an essential oil extracted from the clove plant, Syzygium aromaticum. [1] [2] Clove oil is commonly used in aromatherapy and for flavoring food, tea, and toothpaste. [2] [3] In alternative medicine, it may be used as a topical medication to relieve toothache.
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
Guaiacol is a precursor to various flavorants, such as eugenol. [15] An estimated 85% of the world's supply of vanillin comes from guaiacol. Because consumers tend to prefer natural vanillin to synthetic vanillin, methods such as microbial fermentation have been adopted.
It can be synthesized from eugenol and has been used in the manufacture of vanillin. It may occur as either the cis (Z) or trans (E) isomer. Trans (E) isoeugenol is crystalline while cis (Z) isoeugenol is a liquid. [6] Isoeugenol is one of several phenolic compounds responsible for the mold-inhibiting effect of smoke on meats and cheeses. [7]
Carbon dioxide (CO 2) is an abundant gas produced as the final product of glucose metabolism in animals. CO 2 anesthesia is most frequently used for anesthetizing flies. [2] But it has also been considered as a fast acting anesthetic in small laboratory animals. [3]
An inhalational anesthetic is a chemical compound possessing general anesthetic properties that is delivered via inhalation. They are administered through a face mask, laryngeal mask airway or tracheal tube connected to an anesthetic vaporiser and an anesthetic delivery system .
Zinc oxide eugenol (ZOE) is a material created by the combination of zinc oxide and eugenol contained in clove oil. An acid–base reaction takes place with the formation of zinc eugenolate chelate. The reaction is catalysed by water and is accelerated by the presence of metal salts.