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  Home > JCE Print > Journal of Chemical Education > Issues > 1996  > December  >
In the Laboratory
An Organoleptic Laboratory Experiment
John M. Risley
Department of Chemistry, The University of North Carolina at Charlotte, Charlotte, NC 28223
Cover
December 1996
Vol. 73 No. 12
p. 1181
Abstract
Flavorings in foods and fragrances in personal care products is a topic often discussed in chemistry classes designed for the general education of non-science majors. A laboratory experiment has been designed to accompany the lecture topic. Compounds in ten different classes of organic molecules that are used in the fragrance and food industry are provided to students. Students whiff the vapors of each compound and describe the organoleptic properties using a set of terms utilized in the fragrance and food industry. A set of questions guides students to an understanding of the relationship between structure of molecules and smell. Students are permitted to create their own fragrance based on the results of the experiment. Student response has been favorable. The experiment rectifies misconceptions students have about structure and odor, and gives positive reinforcement to the lecture material.
More Information
*  Citation
 Risley, John M. J. Chem. Educ. 1996 73 1181.
*  Keywords
 Laboratory Instruction
*  History
 Created:
Last Updated:		 August 5, 1999
February 21, 2006
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