Preparation process of tea extract

Food or edible material: processes – compositions – and products – Processes – Extraction utilizing liquid as extracting medium

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C426S597000

Reexamination Certificate

active

07544378

ABSTRACT:
The present invention relates to a preparation process of a tea extract containing non-polymer catechins extracted from tea leaves at a high extraction percentage, having a caffeine
on-polymer catechins ratio almost equal to the natural composition of the tea leaves and having good flavor and taste with less coarse taste, which includes charging the tea leaves in a column type extractor and continuously feeding the extractor with cold or hot water. The invention also relates to a packaged tea beverage containing the tea extract.

REFERENCES:
patent: 2963368 (1960-12-01), Greenbaum
patent: 3492126 (1970-01-01), Rubenstein
patent: 4051267 (1977-09-01), Jongeling
patent: 5107000 (1992-04-01), Lunder
patent: 6387428 (2002-05-01), Kinugasa et al.
patent: 2005/0084574 (2005-04-01), Yamada
patent: 2005/0158437 (2005-07-01), Itaya et al.
patent: 1 297 757 (2003-04-01), None
patent: 794 566 (1958-05-01), None
patent: 59-119182 (1984-08-01), None
patent: 63-308001 (1988-12-01), None
patent: 6-178651 (1994-06-01), None
patent: 11-113491 (1999-04-01), None
patent: 2000-50799 (2000-02-01), None
patent: 2001204386 (2001-07-01), None
patent: 2003-219799 (2003-08-01), None
patent: 2003-225053 (2003-08-01), None
patent: WO 94/14329 (1994-07-01), None
patent: WO 02/39822 (2002-05-01), None
Astill et al. Factors Affecting the Caffeine and Polyphenol Contents of Black and Green Tea Infusions. J. Agric. Food Chem. 2001. vol. 49. pp. 5340-5347.
“Report from tea experimental station”, Ministry of Agriculture and Forestry Tea Experimental Station, vol. 3, Oct. 28, 1965, pp. 25-48, 83-86.
Tei Yamanishi, “The Science of Tea”, published by Shokabo, First edition, Jun. 10, 1992, pp. 173-177, 224-225.
Yasumoto Fuchinoue, et al., “Treatise on Japanese tea”, Rural Culture Association, First edition, Apr. 10, 1999, pp. 162-165.
Toshiro Nakamura et al., “Chemistry and function of green tea, black tea and oolong tea”, published by Kogaku Shuppan, Oct. 30, 1991, pp. 20-29.
Chigusa Kobayashi, et al., “Analysis of Catechins, Methylxanthines and L-Ascorbic Acid in Tea Leaves and Tea Drinks”, Ann. Rep. Tokyo Metr. Res. Lab. P.H., 49, 1998, pp. 135-143.
U.S. Appl. No. 12/183,675, filed Jul. 31, 2008, Iwasaki, et al.
U.S. Appl. No. 12/183,707, filed Jul. 31, 2008, Iwasaki, et al.
Patent Abstracts of Japan, JP 11-103777, Apr. 20, 1999.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Preparation process of tea extract does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation process of tea extract, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation process of tea extract will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4057059

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.