A REVIEW ON EVALUATION OF CAFFEINE CONTENT FROM DIFFERENT BRANDS OF MARKETED TEA POWDER

Caffeine is a drug that stimulates the brain and nervous system. Caffeine is used to restore mental alertness during fatigue, also found in some headache and migraine medications, in dietary supplements used for weight loss. Quantitative analysis of caffeine content was done with UV-Spectrophotometric method. Chloroform was used as the solvent and concentrations of caffeine were measured at the wavelength of 274nm.Here we going to study and compare the evaluation of caffeine content from different brands of marketed tea products. The study is conducted or done by using UV-Spectrophotometer. 

Keywords: Caffeine, Chloroform, UV Spectrophotometer, Tea powder, Concentration, Absorbance, Range