Analysis of Peppermint Leaf and Spearmint Leaf Extracts by Thin-Layer Chromatography
In this inquiry-based activity, the usefulness of thin-layer chromatography (TLC) to visualize the difference between spearmint and peppermint is explored. The experiment may be used in any class where TLC is discussed from high school to college. We have used this activity with science majors in an...
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| Veröffentlicht in: | Journal of chemical education 2008-01, Vol.85 (1), p.133 |
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| container_title | Journal of chemical education |
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| creator | Pelter, Libbie S. W Amico, Andrea Gordon, Natalie Martin, Chylah Sandifer, Dessalyn Pelter, Michael W |
| description | In this inquiry-based activity, the usefulness of thin-layer chromatography (TLC) to visualize the difference between spearmint and peppermint is explored. The experiment may be used in any class where TLC is discussed from high school to college. We have used this activity with science majors in an organic chemistry laboratory, with non-science majors in a brewing science class, and in a general science class for elementary education majors. The experiment can be completed in a two-hour period. R-(-)-Carvone and (1R,2S,5R)-(-)-menthol are responsible for the cool and minty sensations associated with these plants. These observable properties and the structural formula of the compounds provide the basis for a good discussion on structure–activity relationships. |
| doi_str_mv | 10.1021/ed085p133 |
| format | Article |
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R-(-)-Carvone and (1R,2S,5R)-(-)-menthol are responsible for the cool and minty sensations associated with these plants. These observable properties and the structural formula of the compounds provide the basis for a good discussion on structure–activity relationships.</description><subject>Breweries</subject><subject>Brewing</subject><subject>Chemistry</subject><subject>Chromatography</subject><subject>College Students</subject><subject>Comparative Analysis</subject><subject>Education Majors</subject><subject>Elementary Education</subject><subject>Experiments</subject><subject>Flowers & plants</subject><subject>High School Students</subject><subject>Laboratory Experiments</subject><subject>Menthol</subject><subject>Organic Chemistry</subject><subject>Peppermint</subject><subject>Plant extracts</subject><subject>Science education</subject><subject>Scientific method</subject><subject>Thin layer chromatography</subject><issn>0021-9584</issn><issn>1938-1328</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNplkE1LxDAQhoMouK4evHsIggcP1UnS2uQoy_pFQcH1XCbtxO2y29akC_bfW6msgqeBeR_eYR7GTgVcCZDimkrQSSuU2mMTYZSOhJJ6n01gCCOT6PiQHYWwAhAyMXrCFrc1rvtQBd44_kJtS35T1R3PCB3HuuSvLeGf1fyz81h0gdueL5ZVHWXYk-ezpW822DXvHttlf8wOHK4DnfzMKXu7my9mD1H2fP84u80iVJB2EWmSoFRh00LL1BjnrCmlSrRS9oY0kFWlIUCilKwBlaCwDtA5MgnJGNWUnY-9rW8-thS6fNVs_fBQyKUQJpYCYIAuR6jwTQieXN76aoO-zwXk387ynbOBPRtZ8lWx4-ZPWsaDyyG-GGMswu-p_zVfR-x0OA</recordid><startdate>200801</startdate><enddate>200801</enddate><creator>Pelter, Libbie S. 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| ispartof | Journal of chemical education, 2008-01, Vol.85 (1), p.133 |
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| language | eng |
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| source | American Chemical Society Journals |
| subjects | Breweries Brewing Chemistry Chromatography College Students Comparative Analysis Education Majors Elementary Education Experiments Flowers & plants High School Students Laboratory Experiments Menthol Organic Chemistry Peppermint Plant extracts Science education Scientific method Thin layer chromatography |
| title | Analysis of Peppermint Leaf and Spearmint Leaf Extracts by Thin-Layer Chromatography |
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