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Walsh, Emma L.; Ashe, Siobhan; Walsh, John J. – Journal of Chemical Education, 2012
The purpose of this experiment is to provide students with the essential skills and knowledge required to perform the extraction, isolation, and structural elucidation of parthenolide from "Tanacetum parthenium" or feverfew. Students are introduced to a background of the traditional medicinal uses of parthenolide, while more modern applications of…
Descriptors: Chemistry, Spectroscopy, Science Instruction, Science Process Skills
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Carroll, Anne-Marie; Kavanagh, David J.; McGovern, Fiona P.; Reilly, Joe W.; Walsh, John J. – Journal of Chemical Education, 2012
Nature is a well-recognized source of compounds of interest, but access is often an issue. One pertinent example is the cinchona alkaloids from the bark of "Cinchona calisaya." In this experiment, students at the third-year undergraduate level undertake the selective isolation and characterization of two of the four main alkaloids present in the…
Descriptors: Science Experiments, Chemistry, Science Instruction, College Science