Extraction of Caffeine from Tea

Org Chem I

Experiment 5 - downslope of Caffeine from Tea

This Caffeine Extraction lab is Tea-riffic!

Part I

1

Merrit DeBartolo, Fall 2002

Tea and coffee take on been popular beverages for centuries, primarily because they contain the stimulant
caffeine. It stimulates respiration, the heart, and the central nervous system, and is a diuretic (promotes
urination). It can cause nervousness and insomnia and, like many an(prenominal) drugs, can be addictive, making it
difficult to reduce the daily dose. A regular coffee drinker who consumes just quaternary cups per day can
experience headache, insomnia, and even nausea upon with drawl from the drug. On the other hand, it
helps people to pay attention and can centre moderately complex mental skills as well as prolong the
ability to exercise.

Caffeine may be the nigh widely used and abused drug in the linked States. During the course of
the day an average person may unwittingly consume up to a gram of this substance. The caffeine
content of near common foods and drugs is given in table below.





Caffeine pith of Common Foods and Drugs
Espresso
120 mg per 2 oz
Coffee, regular, brewed
103 mg per cup
fast coffee
57 mg per cup
Coffee, decaffeinated
2 to 4 mg per cup
Tea
30 to 75 mg per cup
Cocoa
5 to 40 mg per cup
take out Chocolate
6 mg per oz
Baking Chocolate
35 mg per oz
Coca-Cola, Classic
46 mg per 12 oz
Jolt Cola
72 mg per 12 oz
Anacin, Bromo-Seltzer, Midol
32mg per pill
Excedrin, Extra Strength
65 mg per pill
Dexatrim, Dietac, Vivarin
200 mg per pill
Dristan
16 mg per pill
No-Doz
100mg per pill
Caffeine belongs to a large class of compounds know as
alkaloids. These are of plant origin, contain basic nitrogen,
often substantiate a bitter taste and complex structure, and usually
have physiological activity. Their names usually end in
ine; many are quite a familiar by name if not chemical
structure-nicotine, cocaine, morphine, strychnine.

O
H3C

CH3

C
N

C

C

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