Analysis of Caffeine and Heavy Metal Contents in Branded and Unbranded Tea Available in Pakistan

Caffeine and Heavy Metals in Tea

Authors

  • Asma Inayat Applied Chemistry Research Centre, PCSIR Laboratories Complex Lahore - 54600, Pakistan
  • Shahid Rehman Khan Applied Chemistry Research Centre, PCSIR Laboratories Complex Lahore - 54600, Pakistan
  • Muhammad Nawaz Chowdhry College of Earth and Environmental Science, University of Punbjab, Lahore, Pakistan
  • Amran Waheed College of Earth and Environmental Science, University of Punbjab, Lahore, Pakistan

Keywords:

tea, caffeine, heavy metals

Abstract

. In the investigation of caffeine and heavy metal contents in four branded and six unbranded tea samples collected from local markets of Lahore, Faisalabad and Peshawar, the amount of caffeine and heavy metals in all the branded tea samples were in agreement with the international standards. In unbranded tea samples, though the amount of caffeine was within standard limits but two of the samples collected from Peshawar had high concentrations of lead being, 13.69 and 15.78 mg/kg, consumption of which can lead to serious problems.

 

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Published

2010-02-22

How to Cite

Inayat, A., Khan, S. R., Chowdhry, M. N., & Waheed, A. (2010). Analysis of Caffeine and Heavy Metal Contents in Branded and Unbranded Tea Available in Pakistan: Caffeine and Heavy Metals in Tea. Biological Sciences - PJSIR, 53(1), 20–24. Retrieved from https://v2.pjsir.org/index.php/biological-sciences/article/view/414

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