Title:
BLACK TEA EXTRACT
Document Type and Number:
Japanese Patent JP2009159833
Kind Code:
A
Abstract:
To provide a black tea extract moderating unpleasant astringency and sharp bitterness remaining in a mouth after ingestion, further assuming a refreshing taste without an off-flavor, having excellent solubility with little change in color tone, and hardly causing creaming down even when preserved over a long period of time.
The black tea extract comprises following ingredients (A), (B), (C), (D), and (E): (A) catechin, (B) caffeine, (C) gallic acid, (D) a polyphenol, and (E) theaflavin. The content weight and content weight ratio thereof based on solids satisfy following (i), (ii), and (iii): (i) [(A)+(B)+(C)]/(D)=0.001-0.3; (ii) (D)=50 wt.%; and (iii) (E)=0.001-3 wt.%.
Inventors:
MATSUURA KEISUKE
YAGI KENSUKE
YABUKI CHIKAKO
MATSUZAKI SATOSHI
YAGI KENSUKE
YABUKI CHIKAKO
MATSUZAKI SATOSHI
Application Number:
JP2007339683A
Publication Date:
July 23, 2009
Filing Date:
December 28, 2007
Export Citation:
Assignee:
MITSUI NORIN KK
International Classes:
A23F3/16; A23L29/00; A61K36/18; A61P1/02; A61P3/06; A61P3/10
Domestic Patent References:
| JP2007006758A | 2007-01-18 | |||
| JPS4716696A | ||||
| JPS5716649A | 1982-01-28 | |||
| JPH03277236A | 1991-12-09 | |||
| JP2006067895A | 2006-03-16 | |||
| JP3281733B2 | 2002-05-13 | |||
| JP2007001893A | 2007-01-11 | |||
| JP2006083352A | 2006-03-30 | |||
| JP2007006758A | 2007-01-18 | |||
| JPS4716696A | ||||
| JPS5716649A | 1982-01-28 | |||
| JPH03277236A | 1991-12-09 | |||
| JP2006067895A | 2006-03-16 |
Foreign References:
| WO2006048122A1 | 2006-05-11 | |||
| WO2007038291A1 | 2007-04-05 |
Other References:
JPN7012000528; 村松敬一郎他編: 茶の機能 , 20020301, ２９ページ, 学会出版センター