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Novel extraction and fractionation technologies
IRL is conducting a FRST[?] funded research programme aimed at developing and demonstrating a suite of lipid extraction, fractionation and modification technologies based around the use of supercritical fluids to produce high value lipid products.
PLA + HA bioscaffold.
The key steps involved are:
- Development of novel extraction and fractionation technologies for producing new lipid products (including extraction from wet biomass); and transformation of those lipids using enzymatic processes in supercritical fluids to achieve higher value lipid products. These technologies include:
- Supercritical antisolvent technologies: Supercritical extraction is the process whereby a supercritical fluid is used as a solvent to extract valuable components from a feedstock solvent-residue free. Supercritical fluids can also be used as anti-solvents to precipitate components that are insoluable in the supercritical field. In our patented supercritical anti-solvent fractionation technology (SAFT) the supercritical fluid can simultaneously be used as a solvent and an anti-solvent to produce at least two value-added components: an extract and a precipitate. The value-added fractions can contain ingredients for nutraceutical applications from the prior extraction of herbal materials and polyunsaturated fatty acids from fish oils. Further applications of the technology are under development. We welcome enquiries from companies interested in commercial application of supercritical extraction technologies and are also keen to hear from others conducting research in this field of expertise.
- Advanced processing technologies for niche ingredients: IRL is working on a clean, green process for the selected extraction of elements (currently mainly using carbon dioxide). We are also developing premium product nutraceuticals including work on extracting Omega-3 from fish oil and Echinacea.