Methods and Systems for Processing Sugar Mixtures and Resultant Compositions

• US 20140175331A1
• Filed: 09/20/2013
• Published: 06/26/2014
• Est. Priority Date: 09/02/2010
• Status: Active Grant

• Current Assignee: Virdia Ltd
• Original Assignee: Virdia Ltd
• Inventors: Jansen, Robert, Eyal, Aharon
• Granted Patent: US 10,240,217 B2
• Time in Patent Office: Days
• US Class Current: 252/182.12
• CPC Class Codes: A23K 20/163 Sugars; Polysaccharides
• CPC Class Codes: A23K 50/10 for ruminants
• CPC Class Codes: C07H 1/00 Processes for the preparation of sugar derivatives
• CPC Class Codes: C07H 3/00 Compounds containing only hydrogen atoms and saccharide radicals having only carbon, hydrogen, and oxygen atoms preparation by hydrolysis of di-or polysaccharides C13; separation or purification of sucrose, glucose, fructose, lactose or maltose C13
• CPC Class Codes: C12P 7/10 substrate containing cellulosic material
• CPC Class Codes: C12P 7/14 Multiple stages of fermentation; Multiple types of microorganisms or re-use of microorganisms
• CPC Class Codes: C13K 1/00 Glucose separation from invert sugar C13K3/00; Glucose-containing syrups
• CPC Class Codes: C13K 1/02 obtained by saccharification of cellulosic materials manufacture of fodder A23K10/32
• CPC Class Codes: C13K 13/002 Xylose
• CPC Class Codes: C13K 13/007 Separation of sugars provided for in subclass C13K C13K3/00 takes precedence
• CPC Class Codes: Y02E 50/10 Biofuels, e.g. bio-diesel
• CPC Class Codes: Y02E 50/30 Fuel from waste, e.g. synthetic alcohol or diesel
• CPC Class Codes: Y10T 428/13 Hollow or container type article [e.g., tube, vase, etc.]
• CPC Class Codes: Y10T 428/1352 Polymer or resin containing [i.e., natural or synthetic]
• CPC Class Codes: Y10T 428/139 Open-ended, self-supporting conduit, cylinder, or tube-type article
• CPC Class Codes: Y10T 442/60 Nonwoven fabric [i.e., nonwoven strand or fiber material]

Abstract

A method including: (a) selectively reacting a first sugar in a mixture which includes at least one second sugar to form a product mixture comprising a product of said first sugar; (b) separating said product of said first sugar from said product mixture; and (c) separating at least one of said at least one second sugar from said product mixture.

Claims

1-143. -143. (canceled)

144. A sugar composition comprising (by weight relative to total sugar concentration):

(a) at least 60% xylose;

(b) at least 100 PPB of a marker molecule; and

(c) 0.001% to 10% oligosaccharides.

145. A composition according to claim 144, wherein said marker molecule is selected from the group consisting of furfural, hydroxy-methyl furfural, products of furfural or hydroxy-methylfurfural condensation, color compounds formed on heating a sugar, levulinic acid, acetic acid, methanol, galacturonic acid, an alcohol of more than four carbon atoms, betaine, amino acids, proteins phosphate and glycerol.

146. A composition according to claim 144, comprising at least two marker molecules.

147. A composition according to claim 144, comprising at least three marker molecules.

148. A composition according to claim 144, comprising at least one fermentation residue.

149. A composition according to claim 148, wherein said at least one fermentation residue is a component of an ingredient selected from the group consisting of sugar molasses, yeast extract

and corn steep liquor.

150. A composition according to claim 148, comprising at least two fermentation residues.

151. A composition according to claim 146, comprising at least three fermentation residues.

152. A composition according to claim 144, wherein glucose comprises between 0.001% andof total sugars on a weight basis.

153. A composition according to claim 144, comprising at least 0.001% arabinose of total

sugars on a weight basis.

154. A composition according to claim 144, wherein oligosaccharides include at least one member of the group consisting of maltose, isomaltose and trehalose.

155. A composition according to claim 144, wherein said oligosaccharides include at least

one member selected from the group consisting of gentiobiose, sophorose and cellobiose.

156. A composition according to claim 144, comprising at least 0.001% non-volatile fermentation product on a weight basis.

157. A composition according to claim 144, wherein a concentration of said marker molecule does not exceed 0.5%.

158. A composition according to claim 144, comprising at least 60% total sugars.

159. A composition according to claim 144, comprising at least one sugar selected from the group consisting of mannose, galactose and arabinose.

160. A composition according to claim 144, comprising at least 3% mannose relative to total monosaccharides by weight.

161. A composition according to claim 144, comprising at least 5% galactose relative to total monosaccharides by weight.

162. A composition according to claim 144, comprising at least 2% arabinose relative to total monosaccharides by weight.