Microextraction Techniques with Deep Eutectic Solvents

Plastiras, Orfeas-Evangelos; Andreasidou, Eirini; Samanidou, Victoria

doi:10.3390/molecules25246026

Cited by 60 publications

(26 citation statements)

References 135 publications

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“…According to the composition, there are four types of DESs mixtures: (1) quaternary salt with metal chloride, (2) quaternary salt with a hydrated metal chloride, (3) quaternary salt with a hydrogen bond donor, and (4) metal chloride with a hydrogen bond donor. The first two mixtures are used to synthesize hydrophilic DESs, while mixtures 3 and 4 generate hydrophobic DESs [ 47 ].…”

Section: Environmentally Friendly Techniques In the Extraction Of mentioning

confidence: 99%

Environmentally Friendly Techniques and Their Comparison in the Extraction of Natural Antioxidants from Green Tea, Rosemary, Clove, and Oregano

Calderón‐Oliver

Ponce‐Alquicira

2021

Molecules

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Many current food and health trends demand the use of more ecological, sustainable, and environmentally friendly techniques for the extraction of bioactive compounds, including antioxidants. However, extraction yields and final antioxidant activities vary between sources and are highly influenced by the given extraction method and nature and ratio of the employed solvent, especially for total polyphenols, flavonoids, and anthocyanins, which are well recognized as natural antioxidants with food applications. This review focused on the most common extraction techniques and potential antioxidant activity in the food industry for various natural antioxidant sources, such as green tea, rosemary, clove, and oregano. Green extraction techniques have been proven to be far more efficient, environmentally friendly, and economical. In general, these techniques include the use of microwaves, ultrasound, high hydrostatic pressure, pulsed electric fields, enzymes, and deep eutectic solvents, among others. These extraction methods are described here, including their advantages, disadvantages, and applications.

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Section: Environmentally Friendly Techniques In the Extraction Of mentioning

confidence: 99%

Environmentally Friendly Techniques and Their Comparison in the Extraction of Natural Antioxidants from Green Tea, Rosemary, Clove, and Oregano

Calderón‐Oliver

Ponce‐Alquicira

2021

Molecules

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“…Furthermore, natural DESs are less toxic than conventional ILs and they present higher biodegradability [47]. Consequently, all the beneficial properties offered by DESs have been introduced in sample preparation and in analytical chemistry when utilizing these materials as alternative green extractant phases and/or as additives [50,51].…”

Section: Des-based Ffsmentioning

confidence: 99%

The Use of Ferrofluids in Analytical Sample Preparation: A Review

2021

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Ferrofluids (FFs) constitute a type of tunable magnetic material, formed by magnetic nanoparticles suspended in a liquid carrier. The astonishing magnetic properties of these materials and their liquid nature have led to their extended use in different applications, including fields such as magnetochemistry, optics, and biomedicine, among others. Recently, FFs have been incorporated as extractant materials in magnetic-driven analytical sample preparation procedures, thus, permitting the development of different applications. FF-based extraction takes advantage of both the magnetic susceptibility of the nanoparticles and the properties of the liquid carrier, which are responsible for a wide variety of interactions with analytes and ultimately are a key factor in achieving better extraction performance. This review article classifies existing FFs in terms of the solvent used as a carrier (organic solvents, water, ionic liquids, deep eutectic solvents, and supramolecular solvents) while overviewing the most relevant analytical applications in the last decade.

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“…To date, DESs have found many applications in analytical chemistry, such as in the extraction of analytes from complex liquid and solid matrices [ 15 ], as modification media for nanomaterials [ 16 , 17 ], for elution in dispersive solid-phase extractions, and as a mobile-phase modifier in chromatography [ 18 , 19 ]. They have also been employed in the extraction of bioactive compounds [ 20 ], including flavonoids, phenolic acids, polyphenols, saponins, and anthraquinones, from various types of natural sources [ 21 , 22 , 23 ].…”

Section: Introductionmentioning

confidence: 99%

Deep Eutectic Solvents (DESs) and Their Application in Biosensor Development

Svigelj

Dossi

Grazioli

et al. 2021

Sensors

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Deep Eutectic Solvents (DESs) are a new class of solvents characterized by a remarkable decrease in melting point compared to those of the starting components. The eutectic mixtures can be simply prepared by mixing a Hydrogen Bond Acceptor (HBA) with a Hydrogen Bond Donor (HBD) at a temperature of about 80 °C. They have found applications in different research fields; for instance, they have been employed in organic synthesis, electrochemistry, and bio-catalysis, showing improved biodegradability and lower toxicity compared to other solvents. Herein, we review the use of DESs in biosensor development. We consider the emerging interest in different fields of this green class of solvents and the possibility of their use for the improvement of biosensor performance. We point out some promising examples of approaches for the assembly of biosensors exploiting their compelling characteristics. Furthermore, the extensive ability of DESs to solubilize a wide range of molecules provides the possibility to set up new devices, even for analytes that are usually insoluble and difficult to quantify.

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Microextraction Techniques with Deep Eutectic Solvents

Cited by 60 publications

References 135 publications

Environmentally Friendly Techniques and Their Comparison in the Extraction of Natural Antioxidants from Green Tea, Rosemary, Clove, and Oregano

Environmentally Friendly Techniques and Their Comparison in the Extraction of Natural Antioxidants from Green Tea, Rosemary, Clove, and Oregano

The Use of Ferrofluids in Analytical Sample Preparation: A Review

Deep Eutectic Solvents (DESs) and Their Application in Biosensor Development

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