Title:
TEA LEAF EXTRACT
Document Type and Number:
WIPO Patent Application WO/2014/065369
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a tea leaf extract rich in high-stability anthocyanin and exceptional palatability. Specifically, the present invention provides a tea leaf extract containing, with respect to the dry weight of the tea leaf extract, at least 0.13% by weight of delphinidin or a glycoside thereof and no more than 23.0% by weight of a catechin; a method for manufacturing the tea leaf extract in which extraction is performed on the tea leaves using water in a volume of no less than 10 times the dry weight of the tea leaves at a temperature of 70 to 95°C and a time of 5 to 60 minutes; a beverage/foodstuff containing the tea leaf extract or composition; and a use for said beverage/foodstuff.
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Inventors:
KAWAGUCHI FUMIKI (JP)
SUGITA KOICHI (JP)
MURAKAMI AKIRA (JP)
NAKAHAMA KATSUHIKO (JP)
NANTO KAZUYA (JP)
KAWAOKA AKIYOSHI (JP)
YAMAMOTO MARI (JP)
SUGITA KOICHI (JP)
MURAKAMI AKIRA (JP)
NAKAHAMA KATSUHIKO (JP)
NANTO KAZUYA (JP)
KAWAOKA AKIYOSHI (JP)
YAMAMOTO MARI (JP)
Application Number:
PCT/JP2013/078826
Publication Date:
May 01, 2014
Filing Date:
October 24, 2013
Export Citation:
Assignee:
JUJO PAPER CO LTD (JP)
INC ADMIN AGENCY NARO (JP)
INC ADMIN AGENCY NARO (JP)
International Classes:
A61K36/18; A23F3/16; A23L1/30; A23L2/52; A61K8/49; A61K8/97; A61P27/02; A61P29/00; A61P39/06
Domestic Patent References:
| WO2011108487A1 | 2011-09-09 |
Foreign References:
| JP2012115234A | 2012-06-21 | |||
| JP2010189288A | 2010-09-02 |
Other References:
TAKESHI SAITO ET AL.: "Shinki Cha Hinshu 'Sun Rouge' ni Fukumareru Anthocyanin no Kaiseki", JAPAN SOCIETY FOR BIOSCIENCE, BIOTECHNOLOGY, AND AGROCHEMISTRY TAIKAI KOEN YOSHISHU, vol. 2011, 2011, pages 24
BERTUGLIA S ET AL.: "Effects of the Natural Flavonoid Delphinidin on Diabetic Microangiopathy.", ARZNEIM FORSCH, vol. 45, no. 4, 1995, pages 481 - 485
GEETHA B S ET AL.: "Hypoglycemic effects of Leucodelphinidin derivative isolated from Ficus bengalensis(Linn.).", INDIAN J PHYSIOL PHARMACOL, vol. 38, no. 3, 1994, pages 220 - 222
ROJO LEONEL E. ET AL.: "In vitro and in vivo anti-diabetic effects of anthocyanins from Maqui Berry (Aristotelia chilensis)", FOOD CHEM., vol. 131, no. 2, 15 March 2012 (2012-03-15), pages 387 - 396
JAYAPRAKASAM B ET AL.: "Insulin Secretion by Bioactive Anthocyanins and Anthocyanidins Present in Fruits", J AGRIC FOOD CHEM., vol. 53, no. 1, 2005, pages 28 - 31
KO ZUSHIDA ET AL.: "Tonyobyo Mouse ni Mirareru Shingai Juyo Shikiichi no Teika ni Okeru Cholecystokinin no Kan'yo", FOLIA PHARMACOLOGICA JAPONICA, vol. 116, no. 4, 2000, pages 61P
YUE TL ET AL.: "Carvedilol, a new vasodilator and beta adrenoceptor antagonist, is an antioxidant and free radical scavenger.", J PHARMACOL EXP THER., vol. 263, no. 1, 1992, pages 92 - 8
SANAE HARADA ET AL.: "Tokushu Sanka Stress to Junkanki Shikkan Koatsuyaku to Kosanka Sayo", JOURNAL OF BLOOD PRESSURE, vol. 8, no. 5, 2001, pages 84 - 88
SHOJI KIMURA ET AL.: "Cardiac oxidative stress : interaction between angiotensin and adrenaline receptors", FOLIA PHARMACOLOGICA JAPONICA, vol. 126, 2005, pages 251 - 255
BERTUGLIA S ET AL.: "Effects of the Natural Flavonoid Delphinidin on Diabetic Microangiopathy.", ARZNEIM FORSCH, vol. 45, no. 4, 1995, pages 481 - 485
GEETHA B S ET AL.: "Hypoglycemic effects of Leucodelphinidin derivative isolated from Ficus bengalensis(Linn.).", INDIAN J PHYSIOL PHARMACOL, vol. 38, no. 3, 1994, pages 220 - 222
ROJO LEONEL E. ET AL.: "In vitro and in vivo anti-diabetic effects of anthocyanins from Maqui Berry (Aristotelia chilensis)", FOOD CHEM., vol. 131, no. 2, 15 March 2012 (2012-03-15), pages 387 - 396
JAYAPRAKASAM B ET AL.: "Insulin Secretion by Bioactive Anthocyanins and Anthocyanidins Present in Fruits", J AGRIC FOOD CHEM., vol. 53, no. 1, 2005, pages 28 - 31
KO ZUSHIDA ET AL.: "Tonyobyo Mouse ni Mirareru Shingai Juyo Shikiichi no Teika ni Okeru Cholecystokinin no Kan'yo", FOLIA PHARMACOLOGICA JAPONICA, vol. 116, no. 4, 2000, pages 61P
YUE TL ET AL.: "Carvedilol, a new vasodilator and beta adrenoceptor antagonist, is an antioxidant and free radical scavenger.", J PHARMACOL EXP THER., vol. 263, no. 1, 1992, pages 92 - 8
SANAE HARADA ET AL.: "Tokushu Sanka Stress to Junkanki Shikkan Koatsuyaku to Kosanka Sayo", JOURNAL OF BLOOD PRESSURE, vol. 8, no. 5, 2001, pages 84 - 88
SHOJI KIMURA ET AL.: "Cardiac oxidative stress : interaction between angiotensin and adrenaline receptors", FOLIA PHARMACOLOGICA JAPONICA, vol. 126, 2005, pages 251 - 255
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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