Caffine Flashcards
Caffeine classification
stimulant (eg. amphetamines, cocaine)
xanthine/methylxanthine
- theophylline (tea)
- theobromine (chocolate)
coffee consumption (statistics canada)
increased from 96->106L (from 1990->2009)
factors => difference in coffee consumption
gender,
location,
age
caffeine origins
- name?
- places and when?
- name from qaweh (Arabic)
- story: Ethiopian goat herder
- Egypt (15th century)
- Middle East (16th century)
- Europe (17th century)
coffee houses
- when?
- purpose?
- England (1650)
- France (1671)
- place to relax, learn news, seal bargains, to plot
- “hotbeds of seditious talk and slanderous attacks upon persons in high stations”
The Women’s Petition Against Coffee
- when?
- why?
- 1674
- claims men used too much coffee => impotence
British Act
-what was the result?
- tea drinker = allegiance to the queen
- coffee became the US’ national drink
what caused a decrease in coffee consumption
-changing lifestyles (eg. canned drinks)
roasting coffee
- origins
- why?
- commercial?
- Middle East
- improve flavor, aroma, color
-commercial roasting (1790) in NYC
coffee worldwide
-biggest producer? why?
- Dutch began production in 1696
- Latin America = ideal climate for coffee growing => became the largest producer
species of coffee
coffea arabica
- milder, longer to develop, near-tropical climate
- more expensive, more desirable
coffea robusta
- stronger, more bitter,
- high caffeine content
- less expensive blends; instant coffee
caffeine removal process
-North America: unroasted beans soaked in organic solvent (methylene chloride)
Swiss water process
-removes more of the coffee’s flavor when decaffinating
Fair Trade Coffee
organized social movement and a market based approach to selling coffee
- help producers in developing countries
- higher wages to producers and higher social and environmental condition
- poverty alleviation and sustainable deveopment
Coffee became America’s favourite drink because:
the British Tax Act resulted in the refusal by many to drink tea.
U.S. Coffee consumption reached an all-time high of 9 kilograms per capita in:
1946,
after World War II.
Brazil is the world’s leading coffee producer, but which country is number two?
Vietnam
The caffeine that is removed from decaffeinated coffee:
mostly used in soft drinks.
Oxidized tea is called:
black tea
Europeans first encountered chocolate in:
mexico
Present-day Coca-Cola contains:
extract of decocainized coca leaves and cola nuts.
A fairly large amount of caffeine is included in some over-the-counter:
analgesics, like Excedrin.
Caffeine blocks this inhibitory neurotransmitter:
adenosine
Some studies suggest that caffeine consumption may:
increase the chances of spontaneous abortion.
tea origins
Chinese manuscript (350 CE) as medicinal nonmedicinal (780 CE)
1559 Europe
1610 Dutch
English East India Company
formed in 1600
monopoly on everything from the east coast of Africa across the Pacific to the west coast of South America
concentrated on importing spices
- first tea from Dutch to England
- expanded: China->England
What was the result of Britain banning Dutch imports of tea in 1669?
- gave English East India Company a monopoly
- profit from the China tea trade colonized India
- brought Opium wars
- English switched from coffee -> tea
What increased tea drinking campaign?
- low cost on tea
- advertising
- high tax on alcohol
Stamp Act
- 1765
- tax on tea
- repealed in 1766 but replaced with Trade and Revenue Act of 1767
- boycott on consumption of English tea
result of the stamp act?
increase in coffee, but also increase in smuggling of tea
Boston Tea Party
revolution and rejection of tea by American colonists:
- increase in tea sales in Britain
- tea drinker = loyal to the crown
nonoxidized tea leave
green tea
partially-oxidized tea
oolong tea
what are some health benefits of drinking tea?
various amino acids
antioxidants
black tea is made from the leaves of what plant?
Camellia sinesis
which tea has the highest caffeine content? and how much per cup?
black tea
40mg of caffeine/cup
effects of theophylline?
relaxes bronchial passages
chocolate origins
- choclatl
- from cacao bush
- originally a thick liquid sometimes frothy and eaten with a spoon