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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