A simple method for isolation of caffeine from black tea leaves: Use of a dichloromethane-alkaline water mixture as an extractant

Journal of Chemical Education

Volumn 73, Issue 6, 1996, Pages 556-557

  Onami, Tetsuo ^a   Kanazawa, Hitoshi ^b  

^a FUKUSHIMA MEDICAL UNIVERSITY   (Japan)

^b FUKUSHIMA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0013384192     PISSN: 00219584     EISSN: None     Source Type: Journal    
DOI: 10.1021/ed073p556     Document Type: Article

References (5)

1. For example, see Fieser, L. F.; Williamson, K. L. Organic Experiments, 6th ed.; Heath: Lexington, MA, 1987; Chap. 7. Mitchell, R. H.; Scott, W. A.; West, P. R. J. Chem. Educ. 1974, 51, 69.
2. For example, see Fieser, L. F.; Williamson, K. L. Organic Experiments, 6th ed.; Heath: Lexington, MA, 1987; Chap. 7. Mitchell, R. H.; Scott, W. A.; West, P. R. J. Chem. Educ. 1974, 51, 69.
3. Deutschen Chemischen Gesellschaft, Ed. Beilstein Handbuch der Organischen Chemie, 4th ed.; Springer: Berlin, 1937, Vol. 26, p 461.
4. Oshima, Y.; Nakabayashi, T.; Ishibashi, S. J. Agr. Chem. Soc. Japan 1954, 28, 269-274.
5. Budavari, S.; O'Neil, M. J.; Smith, A.; Heckelman, P. E., Eds. The Merck Index, 11th ed.; Merck: Rahway, NJ, 1989, p 248.