menthol

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menthol,

white crystalline substance with a characteristic pungent odor. It is derived from the oil of the peppermint plant, Mentha piperita (see mintmint,
in botany, common name for members of the Labiatae, a large family of chiefly annual or perennial herbs. Several species are shrubby or climbing forms or, rarely, small trees.
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), or prepared synthetically from coal tar. An alcohol, menthol is freely soluble in ethyl alcohol, ether, and chloroform. It is a local anesthetic and helps relieve itching, and because it imparts a tingling sensation to the skin, it is used in after shave lotions and skin fresheners. It is also used in throat lozenges, inhalers, and as a flavoring.

Menthol

 

3-methyl-6-isopropylcyclohexanol; colorless crystals with a peppermint odor and a slightly bitter taste.

Menthol is readily soluble in organic solvents and slightly soluble in water. It has a strong cooling effect on the skin. There are 12 known stereoisomers, the most widely occurring in nature being the levorotatory ( — )-menthol (melting point, 43°C; boiling point, 216°C). This form is the principal constituent of peppermint oil (to 50 percent) and Japanese mint oil (to 90 percent); the congelation process is used to extract it. Menthol is usually synthesized by the hydrogenation of thymol.

Menthol is a mild analgesic and disinfectant. It is used externally in alcohol, ether-alcohol, and oil-based solutions to relieve itching, neuralgia, and migraine. Menthol ointments, inhalants, and nose drops are prescribed for inflammations of the upper respiratory tract (common cold, tracheitis). Menthol is prepared in emulsion form for internal use as a sedative in the treatment of certain gastrointestinal diseases. Ingakamf inhalers, Zelenin drops, and Validol are menthol-containing products. Menthol is also used in perfume and cosmetics (in dental-care products), in the food industry (liqueurs, candy), and in flavoring tobacco.

menthol

[′men‚thȯl]
(organic chemistry)
CH3C6H9(C3H7)OH An alcohol-soluble, white crystalline compound that may exist in levo form or a mixture of dextro and levo isomers; used in medicines and perfumes, and as a flavoring agent. Also known as peppermint camphor.

menthol

an optically active organic compound found in peppermint oil and used as an antiseptic, in inhalants, and as an analgesic. Formula: C10H20O
References in periodicals archive ?
Conclusion: Mentholated and regular cigarette smoking have acute detrimental effects on right and left ventricular systolic and diastolic function.
The finding may help to explain why African American smokers have higher tobacco-related morbidity and mortality than white smokers, who are less likely to smoke mentholated cigarettes, said Dr.
Something to fill, and to nourish the soul, whilst not being too taxing on the palate, which, at these times, suffers not only from a lack of taste, but from the bombardment of endless mentholated, strong-tasting medicines and syrups.
It was spring and starting with that potent, aromatic, slightly bitter and sometimes almost mentholated herb, Pinkerton contemplates rhubarb then ice cream, coconut milk, honey and salt.
QUETTA -- Among smokers, people who prefer mentholated cigarettes tend to have more strokes than non-menthol smokers - and this seems to be especially true for women and non-African Americans, according to a North American study.
Washington, March 24 (ANI): A new study has shown that smokers of mentholated cigarettes are no more likely to develop lung cancer than other smokers.
It would give the FDA authority to ban mentholated products that are marketed heavily to minority smokers.
I could drone on about giving up my mentholated peace makers in rows of 20 for 2008, but frankly the pull of the occasional ciggie and a cup of sweet milky tea is a little luxury I don't want to forego.
For a moment he feels a freezing chill on his lips as if the needles of mentholated hoarfrost settled on his tongue, lips, and palate.
Outside the UK, the group said it benefited from strong growth in its African markets, particularly Nigeria, where it had seen strong sales of health and beauty products such as Venus hair relaxer and Super Robb mentholated rub.
You could try smearing a little mentholated vapour rub around the rump and the chin of the pigs.
The symptom-therapy packages contain throat lozenges, tissues, a chicken soup package, a mentholated chest patch, a disposable thermometer, and a Centers for Disease Control and Prevention pamphlet about antibiotic resistance and viral versus bacterial infections.