Application of Supercritical Fluid Extraction in Biotechnology
2005
Khosravi-Darani, K. | Vasheghani-Farahani, E.
In the present paper recent investigations on the applications of supercritical fluid extraction (SCE) from post fermentation biomass or in situ extraction of inhibitory fermentation products as a promising method for increasing the yield of extraction have been reviewed. Although supercritical CO₂ (SC-CO₂) is unfriendly, or even toxic, for some living cells and precludes direct fermentation in dense CO₂, it does not rule out other useful applications for in situ extraction of inhibitory fermentation products and fractional extraction of biomass constituents. This technique is a highly desirable method for fractional extraction of biomass constituents, and intracellular metabolites due to the potential of system modification by physical parameters and addition of co-solvents to selectively extract compounds of different polarity, volatility and hydrophilicity without any contamination.
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