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Title:
METHOD FOR EXTRACTING ISOSAPONARIN FROM WASABI LEAF AND METHOD FOR USING SAME
Document Type and Number:
WIPO Patent Application WO/2011/058661
Kind Code:
A1
Abstract:
Provided is a method for extracting isosaponarin at a high concentration from wasabi (Wasabia japonica) leaves. Also provided is a method for extracting a material for foods, drugs and cosmetics. Isosaponarin is extracted at a high concentration from wasabi leaves, said wasabi leaves being restricted to wasabi leaves having a small leaf size of, for example, 3-14 cm in the maximum leaf width in the direction perpendicular to the leaf stem and also restricted to upland-cultivated wasabi leaves, with aqueous ethanol or 1,3-butylene glycol, thereby providing foods, drugs and cosmetics containing isosaponarin at a high concentration.

Inventors:
MIURA, Yousuke (61, Yahatatori 2-chome, Nakagawa-k, Nagoya-shi Aichi 26, 〒4548526, JP)
三浦 陽介 (〒26 愛知県名古屋市中川区八幡通2丁目61番地 金印株式会社内 Aichi, 〒4548526, JP)
Application Number:
JP2009/069592
Publication Date:
May 19, 2011
Filing Date:
November 12, 2009
Export Citation:
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Assignee:
KINJIRUSHI CO., LTD. (61 Yahatatori 2-chome, Nakagawa-kuNagoya-shi, Aichi 26, 〒4548526, JP)
金印株式会社 (〒26 愛知県名古屋市中川区八幡通2丁目61番地 Aichi, 〒4548526, JP)
MIURA, Yousuke (61, Yahatatori 2-chome, Nakagawa-k, Nagoya-shi Aichi 26, 〒4548526, JP)
International Classes:
C07H1/08; C07H15/26
Foreign References:
JP2008260747A
Other References:
KEIKO AKITA: 'Wasabiha Chushutsubutsu no I-gata Collagen Sansei Sokushin Sayo Oyobi Kan'yo Seibun no Dotei' BIOTECHNOLOGY, AND AGROCHEMISTRY 2007, page 287
TAKAHIRO HOSOYA ET AL.: 'Five novel flavonoids from Wasabia japonica' TETRAHEDRON vol. 61, 2005, pages 7037 - 7044
Attorney, Agent or Firm:
SOMEYA, Jin (Hujimori Bldg. 3F12-2, Hirakawacho 2-chomeChiyoda-ku, Tokyo 93, 〒1020093, JP)
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