Podcast
Questions and Answers
What is the primary benefit of using high pressure in pressurized liquid extraction (PLE)?
What is the primary benefit of using high pressure in pressurized liquid extraction (PLE)?
- To promote higher analyte solubility and mass transfer rate (correct)
- To increase the boiling point of the solvent
- To increase the viscosity of the solvent
- To decrease the solubility of the analyte
Which of the following is a synonym for pressurized liquid extraction (PLE)?
Which of the following is a synonym for pressurized liquid extraction (PLE)?
- Accelerated solvent extraction (ASE) (correct)
- Supercritical fluid extraction
- Soxhlet extraction
- Traditional extraction method
What is the main advantage of PLE over traditional soxhlet extraction?
What is the main advantage of PLE over traditional soxhlet extraction?
- Longer extraction time
- Lower extraction temperature
- Increased solvent use
- Dramatic decrease in time consumption and solvent use (correct)
What is the reason for the development of PLE-based techniques?
What is the reason for the development of PLE-based techniques?
What is the benefit of combining high pressure and temperature in PLE?
What is the benefit of combining high pressure and temperature in PLE?
What is the potential application of PLE in extraction?
What is the potential application of PLE in extraction?
What is an advantage of Pressurized Liquid Extraction (PLE) compared to conventional methods?
What is an advantage of Pressurized Liquid Extraction (PLE) compared to conventional methods?
What type of compounds have been extracted from plant materials using PLE?
What type of compounds have been extracted from plant materials using PLE?
What is a characteristic of PLE that makes it suitable for extracting organic pollutants from environmental matrices?
What is a characteristic of PLE that makes it suitable for extracting organic pollutants from environmental matrices?
What is the advantage of using PLE to extract isoflavones from soybeans?
What is the advantage of using PLE to extract isoflavones from soybeans?
Which of the following is a comparison that has been made to evaluate the efficiency of PLE?
Which of the following is a comparison that has been made to evaluate the efficiency of PLE?
What is the optimal solvent composition for extracting flavonoids from spinach using PLE?
What is the optimal solvent composition for extracting flavonoids from spinach using PLE?
What is a major advantage of using carbon dioxide in supercritical fluid extraction?
What is a major advantage of using carbon dioxide in supercritical fluid extraction?
What is a limitation of using carbon dioxide in supercritical fluid extraction?
What is a limitation of using carbon dioxide in supercritical fluid extraction?
What is the purpose of a co-solvent vessel and pump in a basic SFE system?
What is the purpose of a co-solvent vessel and pump in a basic SFE system?
What is the typical pressure range for operating a supercritical fluid extraction system?
What is the typical pressure range for operating a supercritical fluid extraction system?
What is the purpose of a chemical modifier in supercritical fluid extraction?
What is the purpose of a chemical modifier in supercritical fluid extraction?
What is the benefit of using a small amount of Dichloromethane (CH2Cl2) as a modifier in supercritical fluid extraction?
What is the benefit of using a small amount of Dichloromethane (CH2Cl2) as a modifier in supercritical fluid extraction?
What is the advantage of operating SFE at room temperature?
What is the advantage of operating SFE at room temperature?
What is the benefit of using a small amount of sample in SFE?
What is the benefit of using a small amount of sample in SFE?
What is the advantage of on-line coupling of SFE with chromatographic process?
What is the advantage of on-line coupling of SFE with chromatographic process?
What is the benefit of recycling and reusing supercritical fluid in SFE?
What is the benefit of recycling and reusing supercritical fluid in SFE?
What is the flexibility of SFE in terms of sample size?
What is the flexibility of SFE in terms of sample size?
What is the benefit of using a modifier in SFE?
What is the benefit of using a modifier in SFE?
What is the primary effect of PEF on plant materials during extraction?
What is the primary effect of PEF on plant materials during extraction?
What is the benefit of using PEF as a pretreatment process prior to conventional extraction?
What is the benefit of using PEF as a pretreatment process prior to conventional extraction?
What is the result of PEF treatment on the recovery of phytosterols from maize?
What is the result of PEF treatment on the recovery of phytosterols from maize?
What is the effect of PEF treatment on the extraction of anthocyanin monoglucosides from grape by-product?
What is the effect of PEF treatment on the extraction of anthocyanin monoglucosides from grape by-product?
What is the benefit of applying PEF treatment on grape skin before maceration?
What is the benefit of applying PEF treatment on grape skin before maceration?
What is the effect of PEF treatment on the cell membrane of plant tissue at a moderate electric field?
What is the effect of PEF treatment on the cell membrane of plant tissue at a moderate electric field?
What is the primary benefit of depressurization of supercritical fluid in SFE?
What is the primary benefit of depressurization of supercritical fluid in SFE?
What is the primary advantage of operating SFE at room temperature?
What is the primary advantage of operating SFE at room temperature?
What is the primary benefit of using a small amount of sample in SFE?
What is the primary benefit of using a small amount of sample in SFE?
What is the primary advantage of on-line coupling of SFE with chromatographic process?
What is the primary advantage of on-line coupling of SFE with chromatographic process?
What is the primary benefit of recycling and reusing supercritical fluid in SFE?
What is the primary benefit of recycling and reusing supercritical fluid in SFE?
What is the primary flexibility of SFE in terms of sample size?
What is the primary flexibility of SFE in terms of sample size?
What is the primary benefit of using modified supercritical CO2 in SFE?
What is the primary benefit of using modified supercritical CO2 in SFE?
What is the primary benefit of using methanol as a modifier in SFE?
What is the primary benefit of using methanol as a modifier in SFE?
What is the primary advantage of SFE in terms of environmental sustainability?
What is the primary advantage of SFE in terms of environmental sustainability?
What is the primary benefit of SFE in terms of extraction process information?
What is the primary benefit of SFE in terms of extraction process information?
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