Caffeine Flashcards
World’s most commonly used drug for psychoactive effects
Caffeine
What % of the worlds population consumes some drink or substance that contains caffeine every day
80%
Order the following in terms of who drinks the most caffeine: the world, UK, Canada, Sweden, the world, US
world, Canada, US, Sweden, UK
Chemical name of caffeine
1,3,7-trimethylxanthine
What other methylxanthines are often found in combination with caffeine?
Theophylline and theobromine are dimethylxanthines
What % of plants does mathylxanthine occur in
60%
What purpose do xanthines serve in plants and how
protective - insects eat it,increased production of octopamine, an excitatory neurotransmitter, which leads to over excitation and death
Why is octopamine ideal as a pesticide
It doesn’t have an effect on mammilian nervous system so there is no similar reaction in animals that there is in insects
Plants that contain methylxanthine
coffee, tea, yerba mate, guarana, kola nut, cacoa
How is yerba mate and guarana used?
yerba - steep like tea, guarana - brewing berries like coffee
What is found in a variety of energy drinks marketed in north america (examples)
Guarana (Bawls, Jolt, Rockstar)
What is considered to be the earliest caffeine containing beverage used for psycho stimulating effects? When is the earliest mention of it?
tea - 2737 B.C from China
When did tea migrate out of eastern asia
1500s
How was tea discovered and by who
Chinese emperor Shen Nung, boiled water to ensure cleanliness, accidentally dropped tea leaf in it, voila
When was tea introduced into Europe
1500s when European traders returned from forays to the far east
