Presentation is loading. Please wait.

Presentation is loading. Please wait.

Caffeine Nikola Zemánek. SOURCES Caffeine = natural substance (63 types of plants ) COFFE BEANS TEA LEAVESCOCOA – COCOA NUTS SOURCES Caffeine = natural.

Similar presentations


Presentation on theme: "Caffeine Nikola Zemánek. SOURCES Caffeine = natural substance (63 types of plants ) COFFE BEANS TEA LEAVESCOCOA – COCOA NUTS SOURCES Caffeine = natural."— Presentation transcript:

1 Caffeine Nikola Zemánek

2 SOURCES Caffeine = natural substance (63 types of plants ) COFFE BEANS TEA LEAVESCOCOA – COCOA NUTS SOURCES Caffeine = natural substance (63 types of plants ) MOST COMMONLY :

3 HISTORY FRIEDRICH FERDINAND RUNGE HISTORY 15th century – pharmacological effect 16th century – coffeehauses in Mecca 17th century – first coffeehauses in Europe 1820 – first isolation (from coffee) Tea in China – tousands years ago

4 CHEMISTRY VIEW CHEMICAL NAME : 3,7–dihydro–1,3,7–trimethyl–1H-purine-2,6-dione Alkaloid of the methylxanthyne family Pure state – crystalline white powder ALTERNATE NAMES : 1,3,7-trimethylxanthine, coffeine, thein, guaranine, methyltheobromine, mateine

5 Biochemistry view – How does the caffeine work ? chemical changes in the brain : 1) blocking adenosine receptors 2) dopamine effect 1) BLOCKING ADENOSINE RECEPTORS STIMULATION NERVE CELLS RELEASE THE HORMONE ADRENALINE + GLUCOSE 2) INCREASING LEVEL OF DOPAMINE POSITIVE EFFECT : IMPROVEMENT THE MOOD + AGILITY NEGATIVE EFFECT : INCREASED HEART RATE AND RESPIRATION...

6 ANOTHER VIEW - ARTISTIC

7 USE STIMULATING EFFECT SOFT DRINKS CocaCola, coffee, energy drinks caffeine PILLS (students – night without sleep, possibility of overdose !!! ) caffeine benzoate – for treating headache

8 CONTENT OF CAFFEINE

9 Molecule of caffeine is very popular....

10 SOURCES OF INFORMATIONS

11 THANK YOU


Download ppt "Caffeine Nikola Zemánek. SOURCES Caffeine = natural substance (63 types of plants ) COFFE BEANS TEA LEAVESCOCOA – COCOA NUTS SOURCES Caffeine = natural."

Similar presentations


Ads by Google