Essay upon Extraction of Caffeine by Tea Leaves

Removal of Caffeine from Tea Leaves

Santos, Raphael, Samson, Nonia Carla, *Tabora, Brylle, Tan, Kate Michal Division of Biological Sciences, University of Onomastica Tomas, Manila, Philippines


Tea leaves are organic products which can be harvested by agriculture. Caffeine, on the other hand, is actually a stimulant that has been shown to accelerate the time of reaction, boost alertness, and improve a person's concentration. Whatever we did with this experiment was to extract the alkaloid caffeine content from your tealeaves. We had isolate and purify the leaves inside the teabag so that we could acquire what is called a " genuine caffeine. ”


Beverages such as tea and coffee consist of excessive amounts of caffeine. Caffeine is actually a stimulant that enhances your concentration and alert level. Caffeine is classified while an alkaloid, which is used to get substances developed as end products of nitrogen metabolic process in some plants. It is also amongst a large group of nitrogenous substances found in normal plants. Even though the plant may be poisonous and might be bitter-tasting, many of it is extracts will be pharmacologically energetic and may produce a person to acquire changes in his psychology. Some examples of alkaloid are atropine, coniine, morphine, nicotine, quinine, and strychnine. In the research, we had to isolate, which is to separate a substance in pure kind from a combination; purify, to rid the tealeaves of harmful particles; and characterize, which is to explain the quality of the caffeine inside the tealeaves.

Results and Discussion

Physique 1 . you Solid-liquid extraction

Figure 1 . 2 Liquid-liquid extraction

You would see in this determine a CH2Cl2 layer and water part has shaped. The CH2Cl2 that is inside the lower coating was drained into a clean flask. This is repeated 2 times until each of the CH2Cl2 was combined. Afterwards, it was placed into a separatory funnel exactly where it was rinsed with 20 ml 6M NaOH option. The latter was discarded after. | Figure 2 . Filter

The crude caffeine...

Sources: Donald L. Pavia, G. M. Summary of Organic Clinical Techniques: A Small-Scale Strategy.

Prueksaritanon, K. R. (10/18/2006). introduction to Organic Chemistry Technique.

Wade, M. G. (12456). Organic Chemistry (5th ed. ). Prentice hall.

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