volume 12, issue 3, P284-288 2021
DOI: 10.5155/eurjchem.12.3.284-288.2131
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Drita Abazi,
Nora Limani-Bektashi,
Olga Popovska

Abstract: Caffeine is naturally present in tea and coffee giving the pleasant and stimulant effect. Several different types of teas, black, green, and white teas bought in market were analysis for caffeine content. The boiled sample tea was filtered through filter paper. Lead(II) acetate was used to separate tannins from caffeine followed by filtration through filter paper with a black ribbon. The liquid-liquid extraction was carried out using dichloromethane (3×5 mL) and sodium sulfate as a drying agent. The TLC method…

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