Process for recovering aroma from tea
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United States of America Patent
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Issued Date -
Jul 30, 2009
app pub date -
Dec 18, 2008
filing date -
Dec 28, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a process for recovering volatile aroma compounds from a tea material. The process comprises the steps of: generating aroma-laden vapours at a pressure of from 0.5 to 1.4 bar absolute from the tea material contacted with water or water vapours, and then condensing the aroma-laden vapours to recover aroma condensate. The process is controlled such that the mass of aroma condensate generated per unit dry mass of tea material is greater than 2 and the aroma-laden vapours comprise no more than 1% by weight entrained liquid.
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