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A simple method for determination of caffeine content in tea samples
S Venkatesh1, M M Swamy, Y S Reddy
1J.S.S. College of Pharmacy, Rocklands, Ooty - 643 001, India.
Ancient Science of Life
|May 5, 2012
Summary
This study presents a simple, modified colorimetric method to accurately measure caffeine content in various tea samples. The findings offer insights into caffeine levels across different tea brands and potential reasons for variations.
Area of Science:
- Analytical Chemistry
- Food Science
Background:
- Caffeine content in tea is a key quality parameter.
- Accurate estimation methods are crucial for consumers and industry.
Purpose of the Study:
- To develop and present a simple, modified colorimetric procedure for caffeine estimation.
- To compare caffeine content in commercial and local tea samples.
Main Methods:
- A modified colorimetric technique was employed.
- Direct estimation of caffeine from tea extracts was performed.
Main Results:
- The developed method provides a straightforward estimation of caffeine.
- Comparative data on caffeine content across different tea brands are presented.
- Variability in caffeine content among samples was observed and explained.
Conclusions:
- The modified colorimetric procedure offers an improved approach for direct caffeine quantification in tea.
- Understanding caffeine variability is important for tea quality assessment.
