FOOD1010 Tea

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what is the latin name for the plant that tea comes from?
camellia sinuses
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where does tea grow best?
warm humid regions
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where is the best quality tea grown?
high altitudes
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what is a historical use of tea?
medicine
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what are the main tea types?
black, green, oolong, assam, rwanda and darjeeling
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who are the biggest tea producers?
china and india
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who is the biggest tea consumer?
turkey
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how is Japanese green tea manufactured?
plucking, steaming / pan-firing, rolling, drying and refinement
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how is Matcha green tea manufactured?
grown in shade and ground to a powder
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how is Indian black tea manufactured?
plucking, withering, rolling, breaking, sifting, oxidation, firing, grading, sorting, blending and storage
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how is Oolong tea prepared differently to Indian black tea?
it has 1/2 the oxidation time
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how is green tea prepared?
75-80 degrees celsius water for 1-2 minutes
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how is oolong tea prepared?
80-85 degrees celsius water for 2-3 minutes
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how is black tea prepared?
99 degrees celsius for 2-3 minutes
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after rolling / drying what is the % moisture in tea?
6%
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after firing what is the % moisture in tea?
3%
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at what step is PPO deactivated?
firing
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what does plucking involve?
removal of leaves from plant
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what does rolling / drying involve?
leaves are twisted and broken to expel internal liquid
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what does refinement involve?
sifting to remove stalks and dust
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what does breaking involve?
to uniform size for fermentation
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what does oxidation involve?
leaves in a humid room or continuous oxidation
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what does firing involve?
leaves in a hot air tunnel to reduce moisture and deactivate PPO
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what does grading / sorting do?
leaves uniform sized leaves
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what does blending / storage result in?
single or blend tea varieties
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what is the common psychoactive drug in tea?
caffeine
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what are two implications of caffeine?
relieves fatigue and acts as a mild stimulant
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what do polyphenols in tea do?
protect the body from oxidation damage
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what is the name of the polyphenol in tea?
catechin
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Other cards in this set

Card 2

Front

where does tea grow best?

Back

warm humid regions

Card 3

Front

where is the best quality tea grown?

Back

Preview of the front of card 3

Card 4

Front

what is a historical use of tea?

Back

Preview of the front of card 4

Card 5

Front

what are the main tea types?

Back

Preview of the front of card 5
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