The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2020
Filed:
Jan. 29, 2015
National Institute of Advanced Industrial Science and Technology, Chiyoda-ku, Tokyo, JP;
Cyclochem Co., Ltd., Kobe-shi, Hyogo, JP;
Renu Wadhwa, Tsukuba, JP;
Sunil Kaul, Tsukuba, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Kaul-Tech Co., Ltd., Ibaraki, JP;
Abstract
It is an object of the present invention to provide a method for preparing a water extract of ashwagandha, which comprises increasing the amounts of withanone and withaferin A contained as active ingredients in the water extract of ashwagandha leaves. In addition, it is another object of the present invention to more economically and simply provide a pharmaceutical composition comprising ashwagandha leaves. The present invention relates to a method for preparing a water extract of ashwagandha leaves, which comprises extracting ashwagandha leaves with water in the presence of cyclodextrin, and a method for enhancing the anticancer activity of the water extract of ashwagandha leaves. The present invention also relates to a pharmaceutical composition for treating or preventing cancer, comprising the water extract of ashwagandha leaves. The present invention further relates to a pharmaceutical composition comprising dry powders of ashwagandha leaves and cyclodextrin.