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TEA

TEA. Grajciariková Eva Šafránková Petra Soukupová Alena Faculty of chemistry Brno University of Technology 20. 11. 2007. What is tea?.

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TEA

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

  2. 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

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

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

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

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

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

  8. 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

  9. Green tea • encouraging result • animal studies

  10. Black tea • caffeine • result for our body

  11. How prepared tea • http://www.youtube.com/watch?v=YdNwdCkbGXI&feature=related

  12. Tea-house • http://www.shahrazad.cz/ • http://www.nefertiti.cz/ • http://www.faraonegypt.cz/ • http://www.tea.cz/

  13. THANK YOU FOR YOUR ATTENTION

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