Determination of Caffeine in Beverages Found in Bangladeshi Market by High Performance Liquid Chromatography (HPLC)

Abstract

Caffeine, a phycostimulant is present in several foods and drinks.In the present study, beverages of different brands in Bangladeshi market were analyzed for caffeine by high-performance liquid chromatography (HPLC) using methanol-water (40:60, v/v) as mobile phase. Caffeine content ranged from 16.33 -19.33 mg/can in soft drinks and 45.66-47.33 mg/can in energy drinks respectively. These data indicated that the levels of caffeine in Bangladeshi soft drinks and energy drinks are within the ranges reported from similar products in other countries.