A. Abdul-Hussain, D., N. Hamad, M. (2010). Gravimetric Estimation of Caffeine in Different Commercial Kinds of Tea Found in the Iraqi Market. , 19(2), 48-53.
Dhuha A. Abdul-Hussain; Maha N. Hamad. "Gravimetric Estimation of Caffeine in Different Commercial Kinds of Tea Found in the Iraqi Market". , 19, 2, 2010, 48-53.
A. Abdul-Hussain, D., N. Hamad, M. (2010). 'Gravimetric Estimation of Caffeine in Different Commercial Kinds of Tea Found in the Iraqi Market', , 19(2), pp. 48-53.
A. Abdul-Hussain, D., N. Hamad, M. Gravimetric Estimation of Caffeine in Different Commercial Kinds of Tea Found in the Iraqi Market. , 2010; 19(2): 48-53.

Gravimetric Estimation of Caffeine in Different Commercial Kinds of Tea Found in the Iraqi Market

Iraqi Journal of Pharmaceutical Sciences
Article 1, Volume 19, Issue 2, 2010, Pages 48-53
Authors
Dhuha A. Abdul-Hussain; Maha N. Hamad
Abstract
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.
Keywords
Caffeine; Purine; tea
Statistics
Article View: 157
PDF Download: 121


Journal Management System. Powered by iJournalPro.com