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Determination of caffeine in tea samples

  • Unique Paper ID: 149262
  • Volume: 6
  • Issue: 11
  • PageNo: 551-553
  • Abstract:
  • The experiment of extraction of caffeine from tea is very professional which is time consuming and the extractor is used is poisonous; Caffeine is bitter, white crystalline xanthine alkaloid and stimulant drug. It is found in varying quantities in the seeds, leaves and fruits of some plants, where it is acts as natural pesticides that paralyses and kills certain insects feeding on the plants. Tea is the most commonly and widely used soft beverages in household. It acts as stimulant for central nervous system and skeleton muscles. The amount of caffeine in tea lovers varies from sample to sample. Caffeine is responsible for the taste and flavour of tea, but pure caffeine has been found to be a tasteless substance. This experiment was conducted to estimate the total amount of caffeine used in tea leaves of black tea, red tea and green tea. For example, some people boast their ability to drink several cups of coffee in evening and yet sleep like a long, on the other hand there are people who are so sensitive to caffeine that even a single cup of coffee will cause a response boarding on the toxic. The xanthenes beverages also create a medical problem. They are dietary of a stimulant of the CNS. Often the physicians face the question whether to deny caffeine containing beverages to patients or not. In fact children are more susceptible than adults to excitation by xanthenes. For this reason, tea and coffee should be excluded from their diet. Even cocoa is of Determination of Caffeine in Tea Samples Ankit Bahuguna (XII-A) doubtful value. It has a high tannin content may be as high as 50 mg per cup. After all our main stress is on the presence of caffeine in xanthenes beverages and so in this project we will study and observe the quantity of caffeine varying in different samples of tea leaves.
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  • ISSN: 2349-6002
  • Volume: 6
  • Issue: 11
  • PageNo: 551-553

Determination of caffeine in tea samples

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