supercritical fluid extraction

USAGE SUMMARY

The phrase "supercritical fluid extraction" is correct and usable in written English.
It is typically used in scientific and technical contexts, particularly in chemistry and extraction processes. Example: "Supercritical fluid extraction is an efficient method for isolating essential oils from plant materials."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

This study employs the SFE (supercritical fluid extraction) to extract the triterpenoids from the fruiting bodies of Antrodia cinnamomea (Syn.

Journal of the Taiwan Institute of Chemical Engineers

Tocopherol-enriched oil was extracted by supercritical fluid extraction of carbon dioxide (SFE-CO2) from Kalahari melon and roselle seeds.

Food Chemistry

In this report, dl-THP from rhizome of Corydalis yanhusuo W.T. Wang was extracted using supercritical fluid extraction (SFE).

Separation and Purification Technology

Lee and collaborators showed that ginger extracts from supercritical fluid extraction demonstrated free radical scavenging ability, reducing power and chelating property in dose-dependent manners [ 57].

BMC Complementary and Alternative Medicine

King (2002) had demonstrated the use of the supercritical fluid extraction method (SEF) to extract lipids.

International Aquatic Research

Ethanol modified supercritical fluid extraction (SFE) was employed to extract AKBA from Boswellia serrata.

Biocatalysis and Agricultural Biotechnology

Supercritical fluid extraction (SFE) was used to extract cordycepin and adenosine from Cordyceps kyushuensis.

Separation and Purification Technology

Selected extraction variables affecting supercritical fluid extraction (SFE) are optimized to obtain natural lipid extracts rich in ceramides.

Separation and Purification Technology

Supercritical fluid extraction with supercritical CO2 (SC-CO2) is applied to extract the vegetable oil from watermelon seeds.

Separation and Purification Technology

The extracts of the plants were obtained by supercritical fluid extraction (SFE) and characterized as described in detail by Justo et al. [ 24].

BMC Complementary and Alternative Medicine

Ginger and rosemary extracts free of organic solvents were obtained by supercritical fluid extraction and dispersed in DMSO, Pluronic F-68 or liposomes, in variable concentrations.

BMC Complementary and Alternative Medicine

Expert writing Tips

Best practice

When writing about "supercritical fluid extraction", clearly define the specific application or material being extracted to provide context and relevance for your audience.

Common error

Avoid using "supercritical fluid extraction" interchangeably with standard liquid solvent extraction. Highlight the unique properties of supercritical fluids, such as their tunable density and diffusivity, which make them advantageous for specific applications.

Linguistic Context

The phrase "supercritical fluid extraction" functions primarily as a noun phrase, often serving as the subject or object in sentences describing a chemical process. As Ludwig confirms, it is a correctly and usable expression.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

In summary, "supercritical fluid extraction" is a well-established term in scientific and technical fields, referring to a specific extraction method using fluids under supercritical conditions. Ludwig confirms its correctness and usability. Predominantly used in formal and scientific registers, the phrase functions as a noun and serves to describe or identify this particular extraction technique. While the technique is common in the scientific community, alternative expressions include "SFE process", "supercritical CO2 extraction", and "fluid extraction under supercritical conditions". It's also essential to avoid confusing it with conventional liquid solvent extraction due to supercritical fluids' unique properties.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

SFE process

This is a shorter abbreviation representing the entire "supercritical fluid extraction" process.

supercritical CO2 extraction

Focuses on using supercritical carbon dioxide, specifying the fluid used in the "supercritical fluid extraction" process.

fluid extraction under supercritical conditions

Rephrases the term to emphasize the conditions under which the fluid extraction occurs.

extraction using supercritical fluids

Focuses on the action of extraction and highlights the use of supercritical fluids as the method.

high-pressure solvent extraction

Highlights the pressure aspect of the process, generalizing the fluid type.

solvent extraction at supercritical state

Emphasizes the solvent characteristic and the state under which extraction happens.

advanced solvent extraction

Generalizes the process as a modern or improved solvent extraction technique.

green extraction technology

Highlights the environmental benefits of supercritical fluid extraction.

fractionation with supercritical fluids

Specifies the process as a separation technique using supercritical fluids.

pressure-tuned solvent extraction

Emphasizes the pressure-dependent nature of solvent extraction.

FAQs

How does "supercritical fluid extraction" work?

"Supercritical fluid extraction" uses a fluid, typically carbon dioxide, heated and pressurized to a supercritical state, allowing it to act as a solvent to selectively extract components from a matrix. The extract is then separated by reducing the pressure, causing the fluid to revert to a gaseous state.

What are the benefits of using "supercritical fluid extraction"?

The benefits include using environmentally friendly solvents (like CO2), higher selectivity, lower operating temperatures (preserving sensitive compounds), and easier solvent removal compared to traditional liquid extraction methods. It can also be more efficient in some cases than alternatives like "Soxhlet extraction".

What can I extract using "supercritical fluid extraction"?

"Supercritical fluid extraction" is versatile and can extract a wide range of compounds, including essential oils, lipids, polymers, and natural products from various materials like plant matter, foods, and environmental samples. The selectivity can be adjusted by modifying pressure and temperature.

What are some alternatives to "supercritical fluid extraction"?

Alternatives include traditional solvent extraction, "microwave-assisted extraction", "ultrasound-assisted extraction", and "steam distillation". The choice depends on factors such as the target compound, matrix, cost, and environmental considerations.