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Title:
TEA LEAVES FOR GREEN TEA DRINK EXTRACTION
Document Type and Number:
WIPO Patent Application WO/2010/119978
Kind Code:
A1
Abstract:
Provided are tea leaves for green tea drink extraction. A green tea drink that can be stored without dregs precipitating and without turning brown, and also tastes good chilled, can be extracted from said leaves. Said leaves are characterized in that the relationship between X and Y fulfills condition (1), where X is the weight fraction of theanine content with respect to the total weight of dried tea leaves, and Y is the weight fraction of monosaccharide content with respect to caffeine content. (1) −0.136X + 0.35 ≤ Y ≤ −0.136X + 0.46

Inventors:
SASAME MASAMI (JP)
KINUGASA HITOSHI (JP)
OKANOYA KAZUNORI (JP)
ITO FUMIO (JP)
IRYO HITOSHI (JP)
Application Number:
PCT/JP2010/056958
Publication Date:
October 21, 2010
Filing Date:
April 14, 2010
Export Citation:
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Assignee:
ITO EN LTD (JP)
SASAME MASAMI (JP)
KINUGASA HITOSHI (JP)
OKANOYA KAZUNORI (JP)
ITO FUMIO (JP)
IRYO HITOSHI (JP)
International Classes:
A23F3/00; A23F3/16
Foreign References:
JPH02128649A1990-05-17
JPH08173038A1996-07-09
JP2001211830A2001-08-07
JP2007124921A2007-05-24
JP2004359249A2004-12-24
JP2005130809A2005-05-26
JPH06269246A1994-09-27
JP2002010736A2002-01-15
JP2008220226A2008-09-25
Other References:
KEIICHIRO MURAMATSU, CHA NO KAGAKU, 1997
TOYOMASA ANAN ET AL.: "Ryokucha no Kanetsu Oyobi Chozo Chu no Yuri Toganryo no Henka", CHAGYO GIJUTSU KENKYU, 1984, pages 47 - 51
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (JP)
Patent business corporation Takeuchi and an Ichizawa international patent firm (JP)
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