Author(s): Pranoti Bhange, Shrikrishna Baokar, Rajendra Patil

Email(s): bhangepranoti@gmail.com

DOI: 10.52711/2231-5675.2024.00028   

Address: Pranoti Bhange*, Shrikrishna Baokar, Rajendra Patil
Department of Pharmaceutical Chemistry Delonix Society`s Baramati College of Pharmacy, Baramati, Pune, Maharashtra, India.
*Corresponding Author

Published In:   Volume - 14,      Issue - 3,     Year - 2024


ABSTRACT:
To find out how much caffeine is in the soft drink (Sting) and green tea (Tetley). which, with the aid of a UV-visible spectrophotometer, are commercially available in the neighborhood market. Using chloroform as an extractant, the caffeine was extracted from them, and the UV-Visible spectrophotometer was used to measure it both quantitatively and qualitatively. At 276nm, caffeine in chloroform is most absorbable. A standard solution of caffeine ranging from 2 to 30 parts per million was generated using chloroform, and the calibration curve indicates linearity with a correlation coefficient of 0.99. Research shows the caffeine content in Tetley is 0.4% (15mg/250g) and sting is 2.5% (72mg/250ml) which is in range of promising limit by the company Tetley (i.e.,0.6%) and Sting (i.e. 2.88%).


Cite this article:
Pranoti Bhange, Shrikrishna Baokar, Rajendra Patil. Quantifying Caffeine Content in Green Tea and Soft Drink using UV-Visible Spectrophotometry. Asian Journal of Pharmaceutical Analysis. 2024; 14(3):155-0. doi: 10.52711/2231-5675.2024.00028

Cite(Electronic):
Pranoti Bhange, Shrikrishna Baokar, Rajendra Patil. Quantifying Caffeine Content in Green Tea and Soft Drink using UV-Visible Spectrophotometry. Asian Journal of Pharmaceutical Analysis. 2024; 14(3):155-0. doi: 10.52711/2231-5675.2024.00028   Available on: https://ajpaonline.com/AbstractView.aspx?PID=2024-14-3-9


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