TEA Grajciariková Eva Šafránková Petra Soukupová Alena Faculty of chemistry Brno University of Technology Faculty of chemistry Brno University of.

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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