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:
Jul. 09, 2002
Filed:
Oct. 27, 1997
Kweon Kim, Seoul, KR;
Seung-Yong Lee, Daejun City, KR;
Sung-Ki Seo, Chung Buk, KR;
Byeong-Ryong Hwang, Seoul, KR;
Jin-Kyu Park, Seoul, KR;
Other;
Abstract
A water-soluble extract of asiaticoside and madecassoside from and an isolating method thereof. In the isolating method an aqueous alcohol containing is subjected to cold-precipitation to obtain an extract. The extract in the aqueous alcohol is treated with a halogenide solvent for layer separation, and then the aqueous layer is extracted with a higher alcohol. The extract in the alcohol layer is washed first with sodium hydroxide and then with water. After being concentrated, the extract is crystallized with ethyl acetate to obtain crystals and the crystals are washed. A method for treating liver cells in a mammal includes administering to a mammal an effective amount of the extract from containing asiaticoside and madecassoside.