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:
Nov. 26, 2013
Filed:
Jun. 06, 2011
Søren Vodstrup Jensen, Lille Skensved, DK;
Susanne Oxenbøll Sørensen, Vallensbæk Strand, DK;
Claus Rolin, Koege, DK;
Søren Vodstrup Jensen, Lille Skensved, DK;
Susanne Oxenbøll Sørensen, Vallensbæk Strand, DK;
Claus Rolin, Koege, DK;
CP Kelco ApS, , DK;
Abstract
Embodiments of the processes provided herein allow for extraction of high quality pectins from pectin-containing plant materials using oxalic acid for extraction of the pectin containing material. Generally described, the process for extracting pectin having a high degree of polymerization includes preparing an aqueous suspension of a pectin-containing plant material; adding oxalic acid and/or a water-soluble oxalate to the aqueous suspension in an amount sufficient to provide a mixture having a pH of between 3.0 and 3.6 and a total molarity of oxalate greater than a total molarity of calcium(II); heating the mixture to a temperature from about 50 to about 80° C. for a time sufficient to extract pectin from the pectin-containing plant material; and separating the extracted pectin from the mixture. The extracted pectin desirably is characterized as having a degree of esterification (DE) of at least 72 and a high degree of polymerization, the degree of polymerization being characterized by an intrinsic viscosity of greater than about 6.5 dL/g.