Soxhlet Extraction of Caffeine from Beverage Plants

A simple procedure is described for the extraction of caffeine from coffee beans or granules, tea leaves, mat leaves, etc. Since dichloromethane and several other hazardous substances are used, the procedure is best performed in a fume hood. Following extraction, melting point determination of the c...

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Bibliographic Details
Published inJournal of chemical education Vol. 73; no. 12; p. 1171
Main Authors Adam, D.J, Mainwaring, J, Quigley, Michael N
Format Journal Article
LanguageEnglish
Published Easton Division of Chemical Education 01.12.1996
American Chemical Society
Subjects
Caffeine
Chromatography
Coffee
Ethanol
Experiments
Hall, Cornell
Hazardous Materials
Laboratories
Laboratory Procedures
Mathematics
Neon
Organic chemistry
Potash
Potassium
Research Methodology
Safety Equipment
Wines
New York
Pittsburgh Pennsylvania
United Kingdom > UK
United States > US
Second-Year Undergraduate
Hands-On Learning / Manipulatives
Separation Science
Organic Chemistry
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Summary:A simple procedure is described for the extraction of caffeine from coffee beans or granules, tea leaves, mat leaves, etc. Since dichloromethane and several other hazardous substances are used, the procedure is best performed in a fume hood. Following extraction, melting point determination of the crystalline precipitate establishes its positive identity. Includes 33 references.
ISSN:0021-9584
1938-1328
DOI:10.1021/ed073p1171