A process for producing a tea product

A process for producing a tea product

The present invention provides a process for producing a black leaf tea product, the process comprising the steps of comminuting fresh tea leaf thereby producing dhool; and then fermenting the dhool whilst exposing it to radiation having a wavelength of from 0.3 to 100 mum and an intensity of from 0...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GHOSH CHANDRA SEKHAR, BANDYOPADHYAY PRASUN, MUKHOPADHYAY RESHMEE
Format: Patent
Sprache:eng
Schlagworte:
COFFEE
FOODS OR FOODSTUFFS
HUMAN NECESSITIES
MANUFACTURE, PREPARATION, OR INFUSION THEREOF
TEA
THEIR SUBSTITUTES
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Beschreibung
Zusammenfassung:The present invention provides a process for producing a black leaf tea product, the process comprising the steps of comminuting fresh tea leaf thereby producing dhool; and then fermenting the dhool whilst exposing it to radiation having a wavelength of from 0.3 to 100 mum and an intensity of from 0.4 to 50 kW/m2 for 10 minutes to 3 hours at a temperature of 15-45 °C. The resulting black leaf tea product produces infusions high amounts of catechins and theaflavins.