Gravimetric Estimation of Caffeine in Different Commercial Kinds of Tea Found in the Iraqi Market
Caffeine (1,3,7-trimethylxanthine), which is the most widely consumed stimulant in the world, had been isolated and estimated gravimetrically in fifteen different commercial kinds of tea found in the Iraqi market.The kinds of tea were chosen according to their differences in the degree o...
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| Format: | Article |
| Language: | English |
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College of Pharmacy University of Baghdad
2017-03-01
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| Series: | Iraqi Journal of Pharmaceutical Sciences |
| Online Access: | https://bijps.uobaghdad.edu.iq/index.php/bijps/article/view/506 |
| Summary: | Caffeine (1,3,7-trimethylxanthine), which is the most widely consumed stimulant in the world, had been isolated and estimated gravimetrically in fifteen different commercial kinds of tea found in the Iraqi market.The kinds of tea were chosen according to their differences in the degree of fermentation and the method of processing i.e. black , gray and green . The isolated caffeine was identified by melting point, sublimation, TLC, chemical tests, UV , IR , HPLC and CHNO analysis.
Key words: Caffeine, Purine, tea.
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| ISSN: | 2521-3512 1683-3597 |