tea grajciariková eva Šafránková petra soukupová alena faculty of chemistry brno university...
TRANSCRIPT
TEATEA
Grajciariková Eva Grajciariková Eva Šafránková PetraŠafránková Petra Soukupová AlenaSoukupová Alena
Faculty of chemistry Brno University of TechnologyFaculty of chemistry Brno University of Technology
20. 11. 200720. 11. 2007
What is tea?What is tea?
Popular beveragePopular beverage
Between 18 and 20 Between 18 and 20 billion cups of tea billion cups of tea are drunk daily are drunk daily
Is made from leaf of Is made from leaf of a planta plant
Beverage - nápojBeverage - nápoj
HistoryHistory
The Legendary The Legendary Origins of TeaOrigins of Tea
In ancient China In ancient China over 5,000 years over 5,000 years ago ago
Emperor Shen NungEmperor Shen Nung
Emperor - císařEmperor - císař
Tea comes to EuropeTea comes to Europe
the craze for the craze for oriental thingsoriental things
1680 - adding milk 1680 - adding milk to teato tea
restaurant service restaurant service of teaof tea
Craze - poblázněníCraze - pobláznění
Properties of teaProperties of tea
solids insoluble in water solids insoluble in water
big influence have colour, aroma and tastebig influence have colour, aroma and taste
Chemical properties of teaChemical properties of tea
Aromatic Aromatic substances – substances – 0,01 – 0,01 – 0,05 % total weight0,05 % total weight
CatechinsCatechins – – 30 % 30 % total weighttotal weight
Caffeine – Caffeine – 7% total 7% total weightweight
Tea like a medicineTea like a medicine
DigestionDigestion – all sorts of tea – all sorts of tea
Desinfection effectDesinfection effect - all sorts of tea - all sorts of tea
Dental careDental care – green tea – green tea
Digestion – tráveníDigestion – trávení
Tea like medicineTea like medicine Prevention of cancer – green teaPrevention of cancer – green tea
Presbycardia – Oolong and green Presbycardia – Oolong and green teatea
Tabescence – OolongTabescence – Oolong
Longevity – mainly green teaLongevity – mainly green tea
Presbycardia- srdeční onemocněníPresbycardia- srdeční onemocnění Tabescence – hubnutíTabescence – hubnutí Longevity - dlouhověkostLongevity - dlouhověkost
Green teaGreen tea
encouraging resultencouraging result
animal studiesanimal studies
Black teaBlack tea
caffeinecaffeine
result for our body result for our body
How prepared teaHow prepared tea
http://www.youtube.com/watch?http://www.youtube.com/watch?v=YdNwdCkbGXI&feature=relatedv=YdNwdCkbGXI&feature=related
Tea-houseTea-house
http://http://www.shahrazad.cz/www.shahrazad.cz/
http://http://www.nefertiti.cz/www.nefertiti.cz/
http://http://www.faraonegypt.czwww.faraonegypt.cz//
http://www.tea.cz/http://www.tea.cz/
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