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

Main Article Content

Sarra Talab

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

Article Details

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
Section
Original Research Article