Search results
Results from the WOW.Com Content Network
Menthol is an organic compound, specifically a monoterpenoid, that occurs naturally in the oils of several plants in the mint family, such as corn mint and peppermint. It is a white or clear waxy crystalline substance that is solid at room temperature and melts slightly above.
This page was last edited on 28 November 2023, at 03:26 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
While trace amounts of menthol may be added to non-mentholated cigarettes for flavor or other reasons, a menthol cigarette typically has at least 0.3% menthol content by weight. Lower-tar menthol cigarettes may have menthol levels up to 2%, in order to keep menthol delivery constant despite the filtration and ventilation designs used to reduce tar.
It is the acetate ester of menthol. Menthyl acetate constitutes 3–5% of the volatile oil of mentha piperita, contributing to its smell and flavour. [2] [3] References
After 4 years of research and experimentation, the company introduced the original "Mentholatum Ointment" in December 1894, which consisted of a combination of menthol and petrolatum. The product was so successful that in 1903, Hyde opened a second office in Buffalo, New York, to handle sales and distribution east of the Mississippi River. In ...
Thus, the two substrates of this enzyme are (−)-menthol and NADP +, whereas its 3 products are (−)-menthone, NADPH, and H +. This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-OH group of donor with NAD + or NADP + as acceptor. The systematic name of this enzyme class is (−)-menthol:NADP ...
Menthone was first synthesized by oxidation of menthol in 1881, [6] [needs update] [7] before being found as a component in essential oils in 1891. [ citation needed ] Of the isomers possible for this chemical structure (see below), the one termed l -menthone —formally, the (2 S ,5 R )- trans -2-isopropyl-5-methylcyclohexanone (see infobox ...
It is the ester of nicotinic acid (niacin, vitamin B3) and menthol. At room temperature, menthyl nicotinate is a colorless, odorless, viscous liquid. Being a topical lipophilic niacin derivative, menthyl nicotinate is used in cosmetics and personal care products, [2] personal lubricants and intimate hygiene compositions. [3] [4]