oolong and instant tea processing
TRANSCRIPT
Welcome to my presentation
Welcome To the Presentation
Oolong & Instant Tea processing
Presented by
Shakhawat UllahShahjalal University of Science & Technology,Bangladesh.
contentsIntroductionOolong tea processingInstant tea processingHealth benefits of Oolong teaConclusion
IntroductionTea aeromatic beverage produced from camellia sinensis
is divided in various types according to their processing from same plant black tea green tea Oolong tea white tea yellow tea Instant tea
Oolong teais partially oxidized/semi-fermentedallowed to undergo 20% to 70% fermentation ability to give a strong flowery aromaTea leaves green with red edges
Oolong tea processing
Plucking:
Fresh tea leavesa bud and 1 or 2 leaves
Solar Withering:
Plucked leaves spread on the flat bamboo basket under sunlightTime: 30-60 minuteLeaf temperature : 350C-400Cremoves excess moistureOxidation starts
Indoor withering:
brought indoor to cool downOxidation process continuesCreates the unique oolong tea taste and aroma
Shaking:
shaken with little pressure to soften the edgesbecome partially oxidizedred colouration of the edges of leaves
Panning:
dried in a pan of 250-3000C for 15 minutesInactivate enzymes
Rolling:
passed through rollers to slightly break down the leavesestablishes the shape of the leaves
Drying:
stops fermentationReduces moisturewater content around 4 to 5%develops the tea's aroma
Sort, grade and package the tea
A video on Oolong tea processing
Health benefits of Oolong teaAntioxidant removes free radicals
Weight loss blocks fat building enzymes metabolism
Thanks Oolong tea
Instant teaare produced from black teaSome from green teaby extracting the liquor from processed leaves
Instant tea processing
Flow chart of Instant tea processing
Instant tea
ConclusionOolong tea intermediate characters of green and black teaTwo cups of oolong tea every day is recommended for perfect weight loss. The large amount of Polyphenols stops the absorption of fat and cholesterol by over 50%Sometimes preservatives are used in instant tea harmful for healthExcessive drinking of olong tea headaches,nausea,vomiting etc drinkingcae
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