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HPLC Determination of Caffeine and Theobromine in Coffee, Tea, and Instant Hot Cocoa Mixes

✍ Scribed by JOAN L. BLAUCH; STANLEY M. TARKA JR.


Book ID
108806283
Publisher
Institute of Food Technologists
Year
1983
Tongue
English
Weight
370 KB
Volume
48
Category
Article
ISSN
0022-1147

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HPLC determination of caffeine in tea, c
✍ De Camargo, MοΏ½nica C Rojo; Toledo, Maria CecοΏ½lia F πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 65 KB

Different brands of mate and black tea, chocolate products and carbonated beverages available on the Brazilian market were analysed for caffeine by high-performance liquid chromatography with a UV-vis detector at 254 nm. The column was a reverse phase C18 and the mobile phase consisted of methanolΒ±w