Caffine Flashcards

1
Q

Caffeine classification

A

stimulant (eg. amphetamines, cocaine)

xanthine/methylxanthine

  • theophylline (tea)
  • theobromine (chocolate)
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2
Q

coffee consumption (statistics canada)

A

increased from 96->106L (from 1990->2009)

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3
Q

factors => difference in coffee consumption

A

gender,
location,
age

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4
Q

caffeine origins

  • name?
  • places and when?
A
  • name from qaweh (Arabic)
  • story: Ethiopian goat herder
  • Egypt (15th century)
  • Middle East (16th century)
  • Europe (17th century)
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5
Q

coffee houses

  • when?
  • purpose?
A
  • 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”
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6
Q

The Women’s Petition Against Coffee

  • when?
  • why?
A
  • 1674

- claims men used too much coffee => impotence

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7
Q

British Act

-what was the result?

A
  • tea drinker = allegiance to the queen

- coffee became the US’ national drink

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8
Q

what caused a decrease in coffee consumption

A

-changing lifestyles (eg. canned drinks)

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9
Q

roasting coffee

  • origins
  • why?
  • commercial?
A
  • Middle East
  • improve flavor, aroma, color

-commercial roasting (1790) in NYC

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10
Q

coffee worldwide

-biggest producer? why?

A
  • Dutch began production in 1696

- Latin America = ideal climate for coffee growing => became the largest producer

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11
Q

species of coffee

A

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
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12
Q

caffeine removal process

A

-North America: unroasted beans soaked in organic solvent (methylene chloride)

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13
Q

Swiss water process

A

-removes more of the coffee’s flavor when decaffinating

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14
Q

Fair Trade Coffee

A

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
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15
Q

Coffee became America’s favourite drink because:

A

the British Tax Act resulted in the refusal by many to drink tea.

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16
Q

U.S. Coffee consumption reached an all-time high of 9 kilograms per capita in:

A

1946,

after World War II.

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17
Q

Brazil is the world’s leading coffee producer, but which country is number two?

A

Vietnam

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18
Q

The caffeine that is removed from decaffeinated coffee:

A

mostly used in soft drinks.

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19
Q

Oxidized tea is called:

A

black tea

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20
Q

Europeans first encountered chocolate in:

A

mexico

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21
Q

Present-day Coca-Cola contains:

A

extract of decocainized coca leaves and cola nuts.

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22
Q

A fairly large amount of caffeine is included in some over-the-counter:

A

analgesics, like Excedrin.

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23
Q

Caffeine blocks this inhibitory neurotransmitter:

A

adenosine

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24
Q

Some studies suggest that caffeine consumption may:

A

increase the chances of spontaneous abortion.

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25
Q

tea origins

A
Chinese manuscript (350 CE) as medicinal
nonmedicinal (780 CE)

1559 Europe
1610 Dutch

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26
Q

English East India Company

A

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
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27
Q

What was the result of Britain banning Dutch imports of tea in 1669?

A
  • gave English East India Company a monopoly
  • profit from the China tea trade colonized India
  • brought Opium wars
  • English switched from coffee -> tea
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28
Q

What increased tea drinking campaign?

A
  • low cost on tea
  • advertising
  • high tax on alcohol
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29
Q

Stamp Act

A
  • 1765
  • tax on tea
  • repealed in 1766 but replaced with Trade and Revenue Act of 1767
  • boycott on consumption of English tea
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30
Q

result of the stamp act?

A

increase in coffee, but also increase in smuggling of tea

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31
Q

Boston Tea Party

A

revolution and rejection of tea by American colonists:

  • increase in tea sales in Britain
  • tea drinker = loyal to the crown
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32
Q

nonoxidized tea leave

A

green tea

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33
Q

partially-oxidized tea

A

oolong tea

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34
Q

what are some health benefits of drinking tea?

A

various amino acids

antioxidants

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35
Q

black tea is made from the leaves of what plant?

A

Camellia sinesis

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36
Q

which tea has the highest caffeine content? and how much per cup?

A

black tea

40mg of caffeine/cup

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37
Q

effects of theophylline?

A

relaxes bronchial passages

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38
Q

chocolate origins

A
  • choclatl
  • from cacao bush
  • originally a thick liquid sometimes frothy and eaten with a spoon
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39
Q

According to Stats Canada, coffee consumption increased from ____L to ____L per person in 2009

A

96

106

40
Q

When did caffeine spread to Egypt? Middle East? Europe?

A

1400s
1500s
1600s

41
Q

where did caffeine originate from?

A

Ethiopia

42
Q

What was the Womens Petition Against Coffee?

A

women went against coffee stating that it made men impotent

43
Q

when and where did the Womens petition against coffee happen?

A

England 1674

44
Q

what is the movement that works to help producers in developing countries called?

A

Fair Trade Coffee

45
Q

What was Canada’s first fair trade town?

A

Wolfville, Nova Scotia

46
Q

how large is the Canadian market for tea and coffee?

A

1.5 billion

47
Q

How much of Canada’s largest coffee chain have of the coffee market in Canada?

A

76% of the market dominated by Tim Hortons

48
Q

Tim Hortons outlets are popular in

A

US
United Arab Emirates
Kandahar

49
Q

how was coffee originally consumed?

A

people chewed on beans or put them in hot water

50
Q

when did commercial roasting happen?

A

1790

51
Q

when did vacuum packing for long-term storage of ground coffee happen?

A

1900

52
Q

what are the variants of coffee?

A

caffea arabica

caffe robusta

53
Q

what kind of variant is grown near tropical climates?

A

arabica

54
Q

which variant is the stronger and more bitter one?

A

robusta

55
Q

which blend has higher caffeine content?

A

robusta

56
Q

how to decaffeinate coffee?

A

soaking unroasted beans in organic solvent

57
Q

what is a process not widely used to decaf coffee?

A

Alternative Swiss water process

58
Q

where did tea originate from?

A

China

59
Q

what is the scientific name for Tea

A

Camellia sinesis

60
Q

when did the dutch first deliver tea to Europe?

A

1610

61
Q

how are tea leaves prepared?

A

dried
rolled
fermented (oxidized)

62
Q

what countries grow the most tea?

A

Sri Lanka
India
Indonesia

63
Q

what is the greenish-brown tea? why is it this color

A

oolong tea

partially oxidized leaves

64
Q

which tea has the highest caffeine content?

A

black tea

65
Q

which tea has fully oxidized tea? which tea has nonoxidized leaves?

A

black tea

green tea

66
Q

tea contains which chemical?

A

theophylline

67
Q

what is theophylline good at?

A

relaxing bronchial passage

for asthmatics

68
Q

how much caffeine does a cup of tea typically have?

A

40-60mg

69
Q

where did chocolate originate from?

A

mesoamerica

70
Q

what is the legend of coffee?

A

cacao tree was gift to humans from Aztec god

71
Q

what does Theobroma mean?

A

food of the gods

72
Q

what does chocolatl mean?

A

choco - warm

latl - beverage

73
Q

what is the Aztec process?

A

cacao pods sun dried then roasted to remove husk

kernels were ground to obtain thick liquid

74
Q

until when was the Aztec process used?

A

1828

75
Q

what is the Dutch patent?

A

removes 2/3 of fat and produces a powder

76
Q

when and who introduced milk chocolate?

A

1876

Dutch

77
Q

what does the xanthine theobromine do?

A

similar to caffeine but less potent in CNS effet

78
Q

how much caffeine does a typical cup of cocoa contain?

A

4mg

79
Q

what was developed as nerve tonic in the late 1800s

A

coca-cola

80
Q

what were the two ingredient coca-cola was named after?

A

coca (leaves)

kola (nuts)

81
Q

up until when did coca cola containe cocaine?

A

1906

82
Q

what is guaranine?

A

caffeine but from guarana beans

83
Q

does Health Canada impose regulations on caffeine? on guarnine?

A

Yes on caffeine but none on guaranine

84
Q

what does MADD believe?

A

energy drinks pose risk of alcohol related trauma

85
Q

what was the fruit flavored malt liquor beverage that was associated to the death and injury of several young americans?

A

Four Loko

86
Q

how many Canadians regularly use caffeine

A

80%

87
Q

what is the average intake of caffeine?

A

200-250mg a day

88
Q

what are three key xanthines

A

caffeine
theophylline (tea)
theobromine (chocolate)

89
Q

how long does it take to reach peak levels?

A

30min

90
Q

what is the half-life of caffine

A

3hr

91
Q

caffeine dependence?

A

reinforcing properties

withdrawal symptoms - headache fatigue

92
Q

what receptor do xanthines block?

A

adenosine

93
Q

what body parts does caffeine stimulate?

A

CNS and skeletal muscles

94
Q

what does adenosine do?

A

decrease neuronal activity and dilates blood vessels => increases oxygen flow (in prep for sleep)

95
Q

why do soldiers use caffeine?

A

faster reaction times

increases accuracy