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Extraction of water soluble tea constituents (A23F3/18)

A
Human necessities
(88985)
A23
Foods or foodstuffs; their treatment, not covered by other classes
(27081)
A23F
Coffee; tea; their substitutes; manufacture, preparation, or infusion thereof
(3027)
A23F3
Tea; tea substitutes; preparations thereof
(434)
A23F3/18
Extraction of water soluble tea constituents (isolation of tea flavour or tea oil a23f0003420000)
(1)


Tea extract soluble in cold water

Tea product is suggested which is soluble in cold water and its production method. Method includes extraction of the material with water to produce tea extract and removal of tea leaves from the tea extract. The tea extract without tea leaves is then concentrated, the extract is cooled, tea cream is removed from the tea extract to produce tea cream fraction and decreamed tea fraction. After that the tea cream fraction is dissolved in water at 40-100°C foolwed by ultrafiltration causing formation of permeate and retentate and extraction of permeate.

Another patent 2513940.

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