Extraction and Determination of Caffeine Concentrations in Coffee, Tea and Chocolate  Milk Available in Saudi Markets

Sarra Talab

doi:10.9734/ajocs/2019/v6i118986

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Extraction and Determination of Caffeine Concentrations in Coffee, Tea and Chocolate Milk Available in Saudi Markets

Sarra Talab

Asian Journal of Chemical Sciences, Page 1-5
DOI: 10.9734/ajocs/2019/v6i118986
Published: 28 March 2019

Abstract

In this work a study was performed using UV/Vis spectrophotometer to determine the concentrations of caffeine in coffee, tea and chocolate milk available in local market in Riyadh, Saudi Arabia. Quantitative analysis was carried using dichloromethane as extracting solvent. Results showed that the minimum caffeine level was observed in the chocolate milk (16.38 ppm) and the highest caffeine content observes in coffee (32 ppm).

Keywords:

Caffeine
dichloromethane
absorbance
UV/vis spectrophotometer

How to Cite

Talab, S. (2019). Extraction and Determination of Caffeine Concentrations in Coffee, Tea and Chocolate Milk Available in Saudi Markets. Asian Journal of Chemical Sciences, 6(1), 1-5. https://doi.org/10.9734/ajocs/2019/v6i118986

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