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US 9,382,339 B2Granted
Microwave assisted citrus waste biorefinery
AssigneeThe University of York
InventorsJames Hanley Clark, Lucie Anne Pfaltzgraff, Vitaliy Lvovich Budarin, Mario De Bruyn
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Abstract
There is described a method of isolating one or more of pectin, d-limonene, a flavor compound, a flavonoid, a soluble monosaccharide, a decomposition product of a monosaccharide and cellulose, from citrus material wherein said method comprises the microwave assisted hydrothermal low temperature treatment of citrus material.
Claims18
A biorefinery process comprising the steps of:
- (i) introducing wet citrus material;
- (ii) subjecting the citrus material to microwave assisted steam distillation;
- (iii) isolating d-limonene, leaving a first citrus material residue;
- (iv) subjecting the first citrus material residue to an organic solvent extraction;
- (v) isolating flavour compounds, flavonoids, monosaccharides, or combinations thereof, leaving a second citrus material residue;
- (vi) subjecting the second citrus material residue to a hydrothermal microwave treatment;
- (vii) isolating pectin and mesoporous cellulose.
4 more elements
Dependencies are inferred from the claim text.