A - Human Necessities – 23 – F
Patent
A - Human Necessities
23
F
99/82
A23F 3/16 (2006.01) A23F 3/20 (2006.01)
Patent
CA 1243539
PROCESS FOR PREPARING TEA PRODUCTS Abstract of the Disclosure The present invention comprises a process for the preparation of shelf-stable tea concentrates and tea powders wherein a tea extract is prepared, acidified, and heated; off-flavor and malodorous compounds are removed from the extract; the extract is cooled and precipitates are removed from it; and flavoring and sweetener are blended with the clarified extract. The acidiflcation and heating steps accelerate acid-catalyzed degradation reactions that normally occur causing the development of off-flavor sulfurous compounds and precipi- tates. By forcing these components to react, removing the resultant volatile compounds, and separating the precipitates formed, the development of these off-flavors, off-aromas, and precipitates in the resultant tea product is prevented. The tea product is shelf stable and use of preservatives such as antioxidants or antimicrobial agents is not needed.
482368
Tse Hing-Cheung
Sim & Mcburney
The Procter & Gamble Company
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