2. TEA  Grajciariková Eva  Šafránková Petra  Soukupová Alena Faculty of chemistry Brno University of Technology Faculty of chemistry Brno University of Technology 20. 11. 2007 20. 11. 2007

3. What is tea?  Popular beverage  Between 18 and 20 billion cups of tea are drunk daily  Is made from leaf of a plant Beverage - nápoj

4. History  The Legendary Origins of Tea  In ancient China over 5,000 years ago  Emperor Shen Nung Emperor - císař

5. Tea comes to Europe  the craze for oriental things  1680 - adding milk to tea  restaurant service of tea Craze - pobláznění

7. Properties of tea  solids insoluble in water  big influence have colour, aroma and taste

8. Chemical properties of tea  Aromatic substances – 0,01 – 0,05 % total weight  Catechins – 30 % total weight  Caffeine – 7% total weight

9. Tea like a medicine  Digestion – all sorts of tea  Desinfection effect - all sorts of tea  Dental care – green tea  Digestion – trávení

10. Tea like medicine  Prevention of cancer – green tea  Presbycardia – Oolong and green tea  Tabescence – Oolong  Longevity – mainly green tea  Presbycardia- srdeční onemocnění  Tabescence – hubnutí  Longevity - dlouhověkost

11. Green tea  encouraging result  animal studies

12. Black tea  caffeine  result for our body

13. How prepared tea  http://www.youtube.com/watch?v=YdNwdCkbG XI&feature=related http://www.youtube.com/watch?v=YdNwdCkbG XI&feature=related http://www.youtube.com/watch?v=YdNwdCkbG XI&feature=related

14. Tea-house  http://www.shahraza d.cz/ http://www.shahraza d.cz/ http://www.shahraza d.cz/  http://www.nefertiti. cz/ http://www.nefertiti. cz/ http://www.nefertiti. cz/  http://www.faraoneg ypt.cz/ http://www.faraoneg ypt.cz/ http://www.faraoneg ypt.cz/  http://www.tea.cz/ http://www.tea.cz/

15. THANK YOU FOR YOUR ATTENTION