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:
Dec. 09, 2003
Filed:
Jun. 22, 2000
Applicant:
Inventors:
Assignee:
University of Saskatchewan Technologies Inc., Saskatoon, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23L 1/00 ;
U.S. Cl.
CPC ...
A23L 1/00 ;
Abstract
An antioxidant extracted from the bearberry plant ( - ), particularly for use as a food preservative, and a process of extracting it from the bearberry plant are disclosed. The process includes grinding the leaves of the bearberry, mixing the ground leaves with ethanol, shaking the resulting slurry, filtering the slurry, evaporating the supernatant to dryness and dechlorophyllyzing the resulting precipitate using a silicic acid column with hexane as the mobile phase and recovering the dechlorophyllyzed extract using ethanol as the mobile phase.