| Beide Seiten der vorigen RevisionVorhergehende Überarbeitung | |
| mentha_arvensis_l [2025/11/04 16:19] – andreas | mentha_arvensis_l [2026/08/15 10:10] (aktuell) – andreas |
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| "The following chemical races based on essential oil composition, occur in North America: Type 1 - high in pulegone, isomenthone and menthone. Type 2 - high in linalool, cis-ocimene and trans-ocimene. Type 3 - high in cis-isopulegone and trans-isopulegone. Type 4 - high in cis- and trans-ocimene and in 1,8-cineol. These four chemotypes are not correlated with any of the morphological variations." \\ | "The following chemical races based on essential oil composition, occur in North America: Type 1 - high in pulegone, isomenthone and menthone. Type 2 - high in linalool, cis-ocimene and trans-ocimene. Type 3 - high in cis-isopulegone and trans-isopulegone. Type 4 - high in cis- and trans-ocimene and in 1,8-cineol. These four chemotypes are not correlated with any of the morphological variations." \\ |
| [Variation in Mentha arvensis L.(Labiatae). I. The North American populations., Gill, L.S., Lawrence, B.M., Morton, J.K., Botanical Journal of the Linnean Society, 67(3), 1973, 213-232] | [Variation in Mentha arvensis L.(Labiatae). I. The North American populations., Gill, L.S., Lawrence, B.M., Morton, J.K., Botanical Journal of the Linnean Society, 67(3), 1973, 213-232] |
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| |{{menthol_minus.jpg| (-)-menthol}} \\ (-)-menthol |{{:menthone_.jpg|(-)-menthone}} \\ (-)-menthone |{{:isomenthone_minus.jpg| (-)-isomenthone }} \\ (-)-isomenthone | | |
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| Main components in cornmint oils from Brazil, China and India were menthol (65.0% Brazil, 72.1% China, 75.5% India), menthone (14.8% Brazil, 11.1% China, 6.0% India), isomenthone (4.1% Brazil, 3.9% China, 2.7% India), menthyl acetate (2.3% Brazil, 0.7% China, 1.9% India), neomenthol (2.6% Brazil, 2.6% China, 2.8% India), isomenthol (0.4% Brazil, 0.7% China, 0.7% India), piperitone (1.8% Brazil, 0.9% China, 1.0% India), and pulegone (1.1% Brazil, 0.9% China, 0.5% India). \\ | Main components in cornmint oils from Brazil, China and India were menthol (65.0% Brazil, 72.1% China, 75.5% India), menthone (14.8% Brazil, 11.1% China, 6.0% India), isomenthone (4.1% Brazil, 3.9% China, 2.7% India), menthyl acetate (2.3% Brazil, 0.7% China, 1.9% India), neomenthol (2.6% Brazil, 2.6% China, 2.8% India), isomenthol (0.4% Brazil, 0.7% China, 0.7% India), piperitone (1.8% Brazil, 0.9% China, 1.0% India), and pulegone (1.1% Brazil, 0.9% China, 0.5% India). \\ |
| [Boelens, M. H. "Chemical characterization of cornmint oils." Perfumer & flavorist 18.5 (1993): 27-32] | [Boelens, M. H. "Chemical characterization of cornmint oils." Perfumer & flavorist 18.5 (1993): 27-32] |
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| | |{{menthol_minus.jpg| (-)-menthol}} \\ (-)-menthol |{{:menthone_.jpg|(-)-menthone}} \\ (-)-menthone |{{:isomenthone_minus.jpg| (-)-isomenthone }} \\ (-)-isomenthone |{{:damascenone.jpg|}} \\ (E)-β-damascenone |{{1.8cineole.jpg| 1.8-cineole}} \\ 1.8-cineole | |
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| The most potent odorants (highest FD factor, 6-10) of a Chinese cornmint (M.arvensis var.piperascens) oil were isomenthone (11.2%, minty dirty leafy), menthone (22.1%, minty clean cooling), 2,5-diethyltetrahydrofuran (0.03%, pungent solvent ether), (E)-ß-damascenone (trace, fruity woody berry), 1,8-cineole (0.4%, cooling eucalyptus), menthol (34.9%, cooling minty clean), pulegone (1.5%, heavy minty dirty), ß-ionone (heavy woody fruity), eugenol (0.04%, spicy clove sweet), linalool (0.1%, floral sweet creamy), (E,Z)-2,6-nonadienal (leafy floral cucumber), carvone (0.2%, spearmint fruity herbal), guaiacol (sweet smoky phenolic), 4-vinylguaiacol (smoky woody sweet), and five unknown compounds.\\ | The most potent odorants (highest FD factor, 6-10) of a Chinese cornmint (M.arvensis var.piperascens) oil were isomenthone (11.2%, minty dirty leafy), menthone (22.1%, minty clean cooling), 2,5-diethyltetrahydrofuran (0.03%, pungent solvent ether), (E)-ß-damascenone (trace, fruity woody berry), 1,8-cineole (0.4%, cooling eucalyptus), menthol (34.9%, cooling minty clean), pulegone (1.5%, heavy minty dirty), ß-ionone (heavy woody fruity), eugenol (0.04%, spicy clove sweet), linalool (0.1%, floral sweet creamy), (E,Z)-2,6-nonadienal (leafy floral cucumber), carvone (0.2%, spearmint fruity herbal), guaiacol (sweet smoky phenolic), 4-vinylguaiacol (smoky woody sweet), and five unknown compounds.\\ |
| see also: \\ | see also: \\ |
| "The majority of (-)-menthol is obtained by freezing the oil of Mentha arvensis to crystallize the menthol present. This "natural" menthol is then physically separated by centrifuging the supernatant liquid (called dementholized cornmint oil) away from the menthol crystals. Any residual impurities are due to traces of Mentha arvensis oil, and these often impart a slight peppermint aroma to the menthol crystals." \\ | "The majority of (-)-menthol is obtained by freezing the oil of Mentha arvensis to crystallize the menthol present. This "natural" menthol is then physically separated by centrifuging the supernatant liquid (called dementholized cornmint oil) away from the menthol crystals. Any residual impurities are due to traces of Mentha arvensis oil, and these often impart a slight peppermint aroma to the menthol crystals." \\ |
| [[http://www.leffingwell.com/menthol1/menthol1.htm|Menthol Background and Menthol Enantiomers - Organoleptic Properties, Leffingwell 2011]] | [[http://www.leffingwell.com/menthol1/menthol1.htm|Menthol Background and Menthol Enantiomers - Organoleptic Properties, Leffingwell (2011)]] |
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| {{mentha_arvensis.jpg?700}} \\ | {{mentha_arvensis.jpg?700}} \\ |
