l-Menthone

Menthone is a naturally occurring organic compound with a molecular formula C₁₀H₁₈O. l-Menthone (or (5R, 2S)-trans-5-methyl-2-(l-methylethyl)cyclohexanone), shown at right, is the most abundant in nature of the four possible stereoisomers. Menthone is a monoterpene and a ketone. It is structurally related to menthol which has a secondary alcohol in place of the carbonyl. An organic compound is any member of a large class of chemical compounds whose molecules contain carbon, with the exception of carbides, carbonates, carbon oxides and gases containing carbon. ... Stereoisomerism is the arrangement of atoms in molecules whose connectivity remains the same but their arrangement in space is different in each isomer. ... Terpenes are a large and varied class of hydrocarbons, produced primarily by a wide variety of plants, particularly conifers, though also by some animals. ... Ketone group A ketone is either the functional group characterized by a carbonyl group linked to two other carbon atoms or a chemical compound that contains this functional group. ... Menthol is a covalent organic compound made synthetically or obtained from peppermint or other mint oils. ...

Menthone is a constituent of the essential oils of pennyroyal, peppermint, geranium, and others. It is used in perfumery and cosmetics for its characteristic aromatic and minty odor. An essential oil is a concentrated, hydrophobic liquid containing volatile aromatic compounds extracted from plants. ... Binomial name Mentha pulegium L. The herb Pennyroyal (Mentha pulegium, family Lamiaceae), is a member of the mint genus; an essential oil extracted from it is used in aromatherapy. ... Binomial name Mentha × piperita L. Peppermint (Mentha × piperita) is a (usually) sterile hybrid mint, a cross between Watermint (Mentha aquatica) and Spearmint (Mentha spicata). ... Geranium can be: The genus Geranium of flowering plants, usually called the cranesbills or (somewhat redundantly) hardy geraniums. Members of the related genus Pelargonium, which are commonly called geraniums by gardeners and in the horticultural trade. ...