Ch. 6 - Beverages - Chapter 6: Beverages Caffeinated...

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Unformatted text preview: Chapter 6: Beverages Caffeinated Beverages -Caffiene is an alkaloid Benefits (in moderation)-Simulant, antioxidant-Improves cognitive function-Reduces colon cancer-Reduces risk of Parkinsons disease Risks (in overdoses)-dehydration-insomnia-may become addictive Amount of Caffeine (varies depending on brewing time and strength)-Coffee, based on 5 oz cup: Drip: 115, Decaf: 3 mg-Tea, based on 5 oz cup: Brewed 40 mg-Cocoa 13mg-Coca-cola, based 12 oz 34.5 mg Tea -Tea plant-Tea is the world's second most popular drink. -Originated in the orient Foothills of Himalayas (sinensis- from China) -Camellia sinensis-Theaceae -Came from eyelids of Buddhist monk fell over and grew into tea plant.-Chinese say that an Emperor lost his wealth, wondered in forest and met a saint that tells him to drink from bush nearby and regained strength and wealth.-Used to make tea like a brick (pressed) Buddhist monks was sacred.-Tip leaves give the best quality tea (from meristem).-Asia is largest producer of tea; India is single largest country that produces tea. Brief History -Beverage in China (started using 7 th Century) by 500 B.C. (during the Ming Dynasty)-Tea reached Britain in 17 th Century-British east India Company-Introduced to North America in 1650s History:-Dutch traders Britain -In mid 17 th Century, tea reached much of England.-In North America, it was the drink of only the rich people. -Tea Act in 1773-Boston Tea Party: Sons of Liberty dressed as Mohawk Indians. Variations in Tea:-Tip leaves of the shrub/tree are picked-Pekoe, Orange Pekoe, Flowery Pekoe are the three grades of tea (all refer to the tip leaves).-White, Black, Green, Oolong tea *White tea: known in China (plain tip leaves and dried); mild flavor *Black tea: from oxidized leaves Processing for black tea: -Withering: hot, dry air is blown (evaporates moisture) -Rolling: by machine, releases enzymes -Fermentation: chemical oxidation; leaves turn coppery-Firing or drying: to remove excess water Black tea has a stronger flavor and more caffeine (because chemicals are released)....
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This note was uploaded on 06/28/2011 for the course BIO 22 taught by Professor Vaj during the Fall '09 term at University of Central Florida.

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Ch. 6 - Beverages - Chapter 6: Beverages Caffeinated...

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