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. 16, 2003
Filed:
Mar. 28, 2000
Sunil Kumar Chattopadhyay, Lucknow, IN;
Suchitra Banerjee, Lucknow, IN;
Shipra Agarwal, Lucknow, IN;
Manish Kulshrestha, Lucknow, IN;
Ram Prakash Sharma, Lucknow, IN;
Vijay Kumar Mehta, Lucknow, IN;
Sushil Kumar, Lucknow, IN;
Council of Scientific and Industrial Research, New Delhi, IN;
Abstract
The invention provides a process for the production of a biologically active phenolic compound (+) catechin from tissue cultures, said process comprising the steps of (a) inoculating the of explants on a culture medium supplemented with combinations of auxins and cytokinins, (b) incubating the cultures under continuous light or dark conditions for 4-6 weeks for callus initiation followed by subculturing at 4-6 weeks intervals, (c) extracting the fresh pulverized calli with polar solvents at room temperature; (d) evaporating the solvent to obtain a residue; and (e) treating the residue with a chlorinated solvent and isolating (+) catechin compound by filtration.