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Supercritical Fluid Extraction
Abstract
Carbon dioxide can exist as a solid, liquid, or gas. Even if residual solvent is present, carbon dioxide is a safe and natural component present in the atmosphere, inside the body, and in some foods. Water can also be used as a supercritical fluid (SCF), but its critical temperature is very high. SCF extraction is used in a wide range of operations such as dry cleaning, dying, nanotechnology, and pharmaceutical extractions. Removal of carbon dioxide does not require the heat treatment generally needed in the case of solvents such as petroleum ether and alcohols. Supercritical carbon dioxide extraction is used in the decaffeination of coffee. Many efforts have been made to produce spice oleoresins using SCF extraction. However, the extra capital cost, the limitation of capacity, and the allowance of residual conventional solvent up to levels as per existing food laws have limited its popularity.
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Cited by
Before the injection—Modern methods of sample preparation for separation techniques
Smith, R. M. (2003) · Journal of Chromatography A · doi:10.1016/s0021-9673(03)00511-9 · Cited by 503
High-pressure fluid-phase equilibria: Experimental methods and systems investigated (1988–1993)
Dohrn, R., & Brunner, G. (1995) · Fluid Phase Equilibria · doi:10.1016/0378-3812(95)02703-h · Cited by 365
Roh, M.-K., Uddin, M. S., & Chun, B.-S. (2008) · Biotechnology and Bioprocess Engineering · doi:10.1007/s12257-008-0104-6 · Cited by 129
Enzyme-Catalyzed Ring-Opening Polymerization of ε-Caprolactone in Supercritical Carbon Dioxide
Loeker, F. C., Duxbury, C. J., Kumar, R., Gao, W., Gross, R. A., & Howdle, S. M. (2004) · Macromolecules · doi:10.1021/ma0349884 · Cited by 126
Cheung, P. (1999) · Food Chemistry · doi:10.1016/s0308-8146(98)00210-6 · Cited by 104
Metadata
- Venue
- Natural Food Flavors and Colorants
- Publisher
- Wiley
- Published
- 2017-01-07
- Pages
- 35-36
- OpenAlex
- W2759434018
- Cited by
- 772
- References
- 0
- Type
- other
- Language
- en
- Open access
- closed
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