The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 03, 2013

Filed:

Dec. 27, 2005
Applicants:

Koji Nagao, Yokohama, JP;

Koichi Nakahara, Toyonaka, JP;

Hideki Maki, Yokohama, JP;

Mika Kimura, Kawasaki, JP;

Inventors:

Koji Nagao, Yokohama, JP;

Koichi Nakahara, Toyonaka, JP;

Hideki Maki, Yokohama, JP;

Mika Kimura, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A23F 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a technique for producing a tea wherein water-insoluble components of tea leaves have been made soluble in water and the natural umami components inherent to tea leaves have been increased. It also provides a technique for manufacturing a tea-based alcoholic drink which has 'tea leaf-origin aroma', 'umami and body' and “mild alcoholic aftertaste” in a good balance. Tea leaves are processed with an extruder at a temperature of 80 to 150° C. and under a pressure of 0.2 to 30 MPa for 5 to 600 sec while supplying 1 to 100 parts by weight, per 100 parts by weight of the tea leaves, of water or an aqueous sugar solution, Thus, a processed tea leaf product is stably produced while avoiding blowout from the outlet. A tea extracted from this processed tea leaf product shows a significantly improved taste.


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