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Comparison of caffeine content in different types of coffee in Saudi Arabia


Lina Abdulkareem Baz, Renad Marwan Alghifari, Sara Khalid Nafadi, Asmaa Ali Alharbi, Maryam Hassan Al-Zahrani, Faeza Abdullah Alazdi, Maha Jameel Balgoon

Abstract

Due to its stimulating qualities and advantageous effects on the human body, coffee is important to both consumers and researchers. The roasting procedure and the method used to prepare the brew are two of the most crucial factors affecting coffee infusion's properties Caffeine (1,3,7-Trimethylpurine-2,6-dione) is an alkaloid found in coffee beans. The global demand and commercial advertising have contributed to increasing the average coffee consumption to an average of three cups per day. This study aims to compare the caffeine content and antioxidant activity in different types of coffee consumed in Saudi Arabia. Coffee samples (11 kinds) with different roasting degrees were randomly selected from the most popular coffee brands in the Saudi market. Caffeine content was determined using an HPLC system. In addition, the free radical DPPH (2,2-diphenyl-1-picrylhydrazyl) scavenging activity assay was used to measure the antioxidant activity of each coffee sample. The results showed an inverse correlation between the roast degree and the antioxidant activity and a direct relationship between the roast degree and caffeine content. Lastly, the roast degree correlates inversely with pH. Based on the results of this study, it was concluded that drinking three cups of coffee from the darker roasts is considered above the RDA. Contrarily this result suggests that dark roast coffee is safer.



Keywords: Coffee , Caffeine , DPPH , HPLC , AAI , Antioxidant


How to cite this article:
Vancouver
Baz LA, Alghifari RM, Nafadi SK, Alharbi AA, Al-Zahrani MH, Alazdi FA, et al. Comparison of caffeine content in different types of coffee in Saudi Arabia. J Adv Pharm Educ Res. 2024;14(1):40-4. https://doi.org/10.51847/8gKLdERiiH
APA
Baz, L. A., Alghifari, R. M., Nafadi, S. K., Alharbi, A. A., Al-Zahrani, M. H., Alazdi, F. A., & Balgoon, M. J. (2024). Comparison of caffeine content in different types of coffee in Saudi Arabia. Journal of Advanced Pharmacy Education and Research, 14(1), 40-44. https://doi.org/10.51847/8gKLdERiiH
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