PRODUCTION METHOD OF RECONSTITUTED TEA Russian patent published in 2009 - IPC A23F3/40 

Abstract RU 2369124 C1

FIELD: food industry.

SUBSTANCE: invention relates to the technology of tea raw materials complex processing and is a method of reconstituted tea production method. For flavoured reconstituted tea production lanceolate walnut leaves are sequentially extracted by liquid carbon dioxide and drinking water with obtaining CO2-miscella and water extract. Tea production refuses are mixed with fluid carbon dioxide, they are extracted and minced along with periodic depressurisation of extraction mixture below carbon dioxide vapour pressure at extraction temperature. Miscella and extraction cake are separated. The obtained miscellas are joined. The extraction cake is dissolved in water solution of edible acid. Calciferous or magnesium salt of carbonic acid and water extract of walnut leaves is added to suspension. Then it is formed, dried till residual humidity 13-15%, cut, impregnated with the mixture of CO2-miscellas with simultaneous pressure boost. After that depressurisation till atmosphere pressure with simultaneous freezing of absorbed carbon dioxide and its subliming with obtaining of end product are performed.

EFFECT: invention allows to fully recycle tea refuses for foodstuffs production.

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RU 2 369 124 C1

Authors

Kvasenkov Oleg Ivanovich

Dates

2009-10-10Published

2008-06-17Filed