Ultraviolet-Visible Spectrophotometric Determination of Caffeine in Different Tea Samples
Keywords:
Determination, caffeine, tea samples in Yobe, UV-Vis analysisAbstract
Martins Moses, Andy N.M., John Stanley, Muslim U. Abdullahi, Benjamin Biko, Silas, Ishaku, Adam Aliyu and Christiana O. Albert
Caffeine (1,3,5-trimethylxanthine) contents fromseventeen brands of black and green tea that are common in Yobe State, Nigeria were extracted and analysed for their concentration usingan Ultraviolet-Visible spectrophotometer. The results indicated caffeine concentration in the range of 347ppm (in Akbar tea) to 770 ppm (in Sultan tea). The relative concentration of caffeine in the analyzed samples ranked as follows, Sultan (770 ppm) > Lipton yellow label (733 ppm) > Amar (728 ppm) > Shams Green Tea (712ppm) > Tea Pot (699 ppm) >Ahdar (670 ppm)> Nana Tea (666 ppm) > Apple Black Tea(649 ppm)> Ahmed Tea(639 ppm) > Lipton Clear Green (599 ppm) > Tea Shop (564ppm)> Tetley (553 ppm) > Accord (508 ppm) > Tiger (388 ppm)> Top Tea (378 ppm)> Beyond Comment (365 ppm) > Akbar (347ppm). The caffeine contents in the tea samples analyzed in this study were below the maximum recommended limits for consumption and may not present an immediate health challenge except if excessive consumption is administered within a short period.
Downloads
Published
Issue
Section
Similar Articles
- Ahmed Kehinde Usman, Yusuf Adigun Hassan, Geology of Northeastern Nigeria and Its Prospects for Geothermal Energy: A Review , Communication In Physical Sciences: Vol. 12 No. 4 (2025): VOLUME1 2 ISSUE 4
- Musaddiq Sirajo, Abubakar Umar, Mardhiyya Falalu, Maimuna Ahmad Aliyu, Regularization Techniques: A Comparative Analysis of Ridge, Lasso, and Elastic Net Approaches in Predicting Mental Health Consequences Using Mental Health Survey Dataset , Communication In Physical Sciences: Vol. 12 No. 5 (2025): VOLUME 12 ISSUE 5
- Gulumbe S. Usman, Umar Usman, Aremu Kazeem Olalekan, Odeyale, Abideen Babatunde , The Generalized Odd Generalized Exponential Gompertz Distribution with Applications , Communication In Physical Sciences: Vol. 10 No. 1 (2023): VOLUME 10 ISSUE 1
- Onyeije Ugomma Chibuzo, Imeh Okop, Chemical Information from GCMS Analysis of Acetone Extract of Piper guineense Leaves. Part 1 , Communication In Physical Sciences: Vol. 5 No. 4 (2020): VOLUME 5 ISSUE 4
- Itoro Esiet Ukpe, Oluwatosin Atala, Olu Smith, Artificial Intelligence and Machine Learning in English Education: Cultivating Global Citizenship in a Multilingual World , Communication In Physical Sciences: Vol. 9 No. 4 (2023): VOLUME 9 ISSUE 4
- S. Sani , I. T Siraj , Copper(II) and Zinc(II) Complexes Synthesized by Green Mechanochemical Method and their Antimicrobial Studies , Communication In Physical Sciences: Vol. 7 No. 2 (2021): VOLUME 7 ISSUE 2
- Henry Ekene Ohaegbuchu, Boniface Ikechukwu Ijeh, Paul Igienekpeme Aigba, Obinna Christian Dinneya, Integrated Geophysical Study of Geothermal and Mineralization Potential for Energy and Strategic Resources in the Lower Benue Trough, Nigeria , Communication In Physical Sciences: Vol. 12 No. 7 (2025): VOLUME 12 ISSUE 7
- Anduang O, Odiongenyi, Ifiok O. Ekwere, Akanimo O Akpan, Waste Banana Peels as a Precursor for the Synthesis of Elemental-Doped Silicon Quantum Dots Embedded in Silica for Efficient Adsorptive Decontamination of Textile Wastewater , Communication In Physical Sciences: Vol. 13 No. 2 (2026): VOLUME 13 ISSUE 2
- I. Yinusa, Phytochemical Screening, GC-MS And FTIR Analysis of Ethanol Extract of Piliostigma thonningii (schum Milne—Redth) Leaf , Communication In Physical Sciences: Vol. 5 No. 1 (2020): VOLUME 5 ISSUE 1
- Patrick G. Udofia, Philippa C. Ojimelukwe, Olusegun A. Olaoye, Anthony N. Ukom, Moses. L. Ekanem, Immaculata I. Okparauka, Evaluation of Antioxidant Activity of Ethanol Extract of Root and Stem Bark of Moringa oleifera (MO) obtained from Utu Ikpe, Ikot Ekpene Local Government Area, Nigeria , Communication In Physical Sciences: Vol. 8 No. 1 (2022): VOLUME 8 ISSUE 1
You may also start an advanced similarity search for this article.