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Acta Biomedica Scientia

Volume 4, Issue 3, 2017
Mcmed International
Acta Biomedica Scientia
Issn
2348 - 215X (Print), 2348 - 2168 (Online)
Frequency
bi-annual
Email
editorabs@mcmed.us
Journal Home page
http://mcmed.us/journal/abs
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Abstract
Title
QUANTITATIVE ESTIMATION OF CAFFEINE IN BEVERAGES AND READY TO DRINK JUICES BY UV SPECTROSCOPY
Author
Ebin CJ*, Sruthi K, Sosamma Cicy Eapen
Email
ebin0000@gmail.com
keyword
Caffeine, Soft drinks, Ready to drink juices, UV spectroscopy
Abstract
Different brands of soft drinks and selected ready to drink juices were randomly sampled from different stores in Palakkad town. Two methods of extraction were employed; hydrochloric acid acidified water and distilled water. UV analysis of carbonated soft drinks with acidified water samples, the caffeine levels in them were found to be in the range of 0.02528mg/L and 0.8092mg/L, the lowest being Ozo lemon soda and the highest being Panickars refreshes respectively. With distilled water alone the concentration ranged from 0.04214mg/L to 0.7038mg/L. In Ready to drink soft drinks the caffeine levels in acidified extract was ranging from 0.4257mg/L to 0.8472mg/L, the lowest being Grape pulp and the highest being Dailee mango. With distilled water alone the concentration ranging from 0.4214mg/L to 0.8134mg/L the lowest being Grape pulp and the highest being Dailee mango.
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