Isolation and Characterization of Caffeine from Soft Drinks
Dr.K.PRIYA RAJINI, Dr, C, Agatha Christy, Dr. T. Alwin, Mrs.L.Lisy, P.Ashish Wilfred
liquid-liquid extraction, soft drinks, cola drinks
The work presented on the isolation of naturally occurring alkaloid from carbonated beverages. Caffeine is a frequently used ingredient of energy drinks. It is added as a flavoring agent and to make the drinks addictive. Caffeine is a bitter in taste, white crystalline xanthenes alkaloid that acts as a psychoactive stimulant drug and a mild diuretic. Caffeine is (3, 7-dihydro-1, 3, 7-trimethyl-1H-purine-2, 6-dione or 1, 3, 7-trimethylxanthine) an alkaloid belongs to Methylxanthine family. Liquid-liquid extraction methods were used in the assay of research work. Ethylene acetate was taken as extracting solvent. Solid residue of caffeine was recrystallized from 95% ethanol using 5 mL/gram. The mostly available soft drinks are used for the isolation of caffeine; the highest amount of caffeine dry crystal is extracted in red bull sample while the 7up sample was very poor caffeine. And this paper is the detailed study of caffeine, Not only the isolation of caffeine but also the physical characteristic as well UV and IR spectral details were explained.
Article Details
Unique Paper ID: 152150

Publication Volume & Issue: Volume 8, Issue 2

Page(s): 545 - 548
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