PROCESS FOR PRODUCING TEA DRINK

Title:

PROCESS FOR PRODUCING TEA DRINK

Document Type and Number:

WIPO Patent Application WO/2008/072361

Kind Code:

A1

Abstract:

The invention is directed to a process for producing a tea drink comprising the steps of: extracting tea leaves and adjusting the obtained tea extract to a pH of from 5.0 to 6.0; mixing nitrogen with the tea extract and applying a negative pressure of 0.01 MPa or more; subsequent to the step of applying a negative pressure, stabilizing the tea extract by maintaining it at atmospheric pressure for 30 seconds to 20 minutes; and during or after the stabilization step, adjusting the tea extract to a pH of from 5.5 to 6.5. The loss of aroma during the production process is suppressed, and a tea drink with a stable quality and an excellent aroma is produced.

Inventors:

SASAME MASAMI (JP)
SHIMAOKA KENJI (JP)
HARAGUCHI YOKO (JP)
KOBAYASHI IZUMI (JP)
NISHIMURA KAZUYOSHI (JP)
NOMURA HIDEO (JP)
ABE KEN-ICHI (JP)
ONUKI TETSUYA (JP)

Application Number:

PCT/JP2006/325455

Publication Date:

June 19, 2008

Filing Date:

December 14, 2006

Export Citation:

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Assignee:

ITO EN LTD (JP)
SASAME MASAMI (JP)
SHIMAOKA KENJI (JP)
HARAGUCHI YOKO (JP)
KOBAYASHI IZUMI (JP)
NISHIMURA KAZUYOSHI (JP)
NOMURA HIDEO (JP)
ABE KEN-ICHI (JP)
ONUKI TETSUYA (JP)

International Classes:

A23F3/16

Foreign References:

JPH01240145A	1989-09-25
JPS61234738A	1986-10-20
JPS5716649A	1982-01-28
JPH01252274A	1989-10-06
JPH07222553A	1995-08-22
JP2003284494A	2003-10-07
JPH04281773A	1992-10-07
JP2006025738A	2006-02-02
JPH04271751A	1992-09-28
JP2007006812A	2007-01-18
JP3452805B2	2003-10-06
JP2002211676A	2002-07-31
JP3083798B2	2000-09-04

Other References: