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:
Sep. 09, 2003
Filed:
Jan. 16, 2002
Cynthia Olimpia Lydia Gonsalves, Goa, IN;
Perunninakulath Parameswaran Subrayan, Goa, IN;
Chandrakant Govind Naik, Goa, IN;
Chittur Thelakkat Achuthankutty, Goa, IN;
Council of Science and Industrial Research, New Delhi, IN;
Abstract
The invention provides a process for the isolation of 2-deoxy ecdysterone from Zoanthus sp process comprising the steps (a) preparing crude methanol extract of Zoanthus sp., (b) subjecting the crude methanol extract to fractionation using petroleum ether, ethyl acetate, chloroform, n-butanol and mixtures thereof to yield a fraction, (c) subjecting the active fraction to flash chromatography over silica gel to obtain partially purified active compound, and (d) subjecting the active subfraction obtained from step (c) above to gel permeation chromatography to obtain the active pure compound.