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, Rang
In this research, characterization of pure caffeine and the method for determination of caffeine con...
A method has been developed and validated for the determination of caffeine in tea, coffee and other...
Caffeine is naturally present in tea and coffee giving the pleasant and stimulant effect. Several di...
Introduction: Caffeine is a natural alkaloid, isolated from more than 60 plant species. Over 80% of ...
Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, p...
Abstract- This study was undertaken for the purpose to determine the concentration of caffeine in ei...
The nature of caffeine reveals that it is a bitter white crystalline alkaloid. It is a common ingred...
The purpose of this study was to determine the amount of caffeine in non-alcoholic energy drinks and...
Abstract. Coffee is the second largest beverage which is consumed by people in the world, besides t...
This review is all about the chemistry of caffeine and some methods applied to determine the concent...
Tea is a widely consumed beverage that contains many components. Caffeine belongs to this group of c...
Abstract Caffeine is naturally present in several foods, being one of the most consumed dietary ingr...
Tea consumption has been a significant part of human tradition for centuries. Increased publicity of...
Tea consumption has been a significant part of human tradition for centuries. Increased publicity of...
Abstract- Some drink manufacturers do not report how much Caffeine is present in their products. Thi...
In this research, characterization of pure caffeine and the method for determination of caffeine con...
A method has been developed and validated for the determination of caffeine in tea, coffee and other...
Caffeine is naturally present in tea and coffee giving the pleasant and stimulant effect. Several di...
Introduction: Caffeine is a natural alkaloid, isolated from more than 60 plant species. Over 80% of ...
Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, p...
Abstract- This study was undertaken for the purpose to determine the concentration of caffeine in ei...
The nature of caffeine reveals that it is a bitter white crystalline alkaloid. It is a common ingred...
The purpose of this study was to determine the amount of caffeine in non-alcoholic energy drinks and...
Abstract. Coffee is the second largest beverage which is consumed by people in the world, besides t...
This review is all about the chemistry of caffeine and some methods applied to determine the concent...
Tea is a widely consumed beverage that contains many components. Caffeine belongs to this group of c...
Abstract Caffeine is naturally present in several foods, being one of the most consumed dietary ingr...
Tea consumption has been a significant part of human tradition for centuries. Increased publicity of...
Tea consumption has been a significant part of human tradition for centuries. Increased publicity of...
Abstract- Some drink manufacturers do not report how much Caffeine is present in their products. Thi...
In this research, characterization of pure caffeine and the method for determination of caffeine con...
A method has been developed and validated for the determination of caffeine in tea, coffee and other...
Caffeine is naturally present in tea and coffee giving the pleasant and stimulant effect. Several di...