A greener and sustainable route for medicinal plant analysis: Recycle utilization of hydrophobic deep eutectic solvent

Liao, Meichao; Zhao, Yang; Yang, Xiaoyue; Yang, Lin; Liu, E‐Hu; Lu, Bin; Wang, Jiye; Liu, Xiaopeng; Chang, Yan‐Zhong; Duan, Li

doi:10.1016/j.microc.2022.107372

Cited by 11 publications

(4 citation statements)

References 40 publications

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“…A better understanding of the role of water and solute hydration in DES-based aqueous systems will hopefully contribute to a more rational design of separation and extraction procedures. One such possibility is the use of two-phase systems consisting of aqueous and hydrophobic DES phases [ 72 ], where the subtle differences between hydrophilicity and hydrophobicity of the two phases and solutes determine the separation efficiency. Such an attempt was not made in this study, but remains one of the future challenges.…”

Section: Discussionmentioning

confidence: 99%

Extraction of Polyphenols from Slovenian Hop (Humulus lupulus L.) Aurora Variety Using Deep Eutectic Solvents: Choice of the Extraction Method vs. Structure of the Solvent

Metaj,

Hajdini,

Gliha

et al. 2023

Plants

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Polyphenols from Slovenian hops (Humulus lupulus L.) of the Aurora variety were extracted by different methods and using classical solvents and several deep eutectic solvents (DES) based on choline chloride as the hydrogen bond acceptor component. The obtained extract solutions were analyzed by HPLC for the content of extracted α- and β-acids and extracted xanthohumol. It was found that choline chloride:phenol DES concentrated aqueous solution had an extraction efficiency close to that of diethyl ether, which is considered one of the best classical extraction solvents for polyphenols from hops. The comparison of the extraction efficiency with other choline chloride-based DESs showed that the chemical similarity of the phenol ring in the solvent DES with the polyphenols in hops may be crucial for a highly efficient extraction with choline chloride:phenol DES. On the other hand, the choice of extraction method and the viscosity of the solvents tested seem to play only a minor role in this respect. As far as we know, this is the first study to attempt to relate extraction efficiency in the extraction of hydrophobic solutes to the compressibility of the DES extractants, the latter of which may be correlated with the extent of hydrophobic hydration around the DES components. In addition, using the heating and stirring method for the preparation of choline chloride-based DES concentrated aqueous solutions we found no support for the occurrence of water in two different roles (in the structural and in the dilution role) in these solvents.

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Section: Discussionmentioning

confidence: 99%

Extraction of Polyphenols from Slovenian Hop (Humulus lupulus L.) Aurora Variety Using Deep Eutectic Solvents: Choice of the Extraction Method vs. Structure of the Solvent

Metaj,

Hajdini,

Gliha

et al. 2023

Plants

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“…Phenolic acids were extracted from the medicinal herb Taraxacum mongolicum (TM) using the rapid recycle HDES-assisted water extraction technique. 34 Compared to conventional extraction methods, the target analyte is concentrated in the aqueous phase. The assistance of a vortex is required for dispersion of the DES components.…”

Section: Extraction Techniquesmentioning

confidence: 99%

Hydrophobic Deep Eutectic Solvents as Greener Substitutes for Conventional Extraction Media: Examples and Techniques

et al. 2023

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Deep eutectic solvents (DESs) are multicomponent designer solvents that exist as stable liquids over a wide range of temperatures. Over the last two decades, research has been dedicated to developing noncytotoxic, biodegradable, and biocompatible DESs to replace commercially available toxic organic solvents. However, most of the DESs formulated until now are hydrophilic and disintegrate via dissolution on coming in contact with the aqueous phase. To expand the repertoire of DESs as green solvents, hydrophobic DESs (HDESs) were prepared as an alternative. The hydrophobicity is a consequence of the constituents and can be modified according to the nature of the application. Due to their immiscibility, HDESs induce phase segregation in an aqueous solution and thus can be utilized as an extracting medium for a multitude of compounds. Here, we review literature reporting the usage of HDESs for the extraction of various organic compounds and metal ions from aqueous solutions and absorption of gases like CO 2 . We also discuss the techniques currently employed in the extraction processes. We have delineated the limitations that might reduce the applicability of these solvents and also discussed examples of how DESs behave as reaction media. Our review presents the possibility of HDESs being used as substitutes for conventional organic solvents.

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“…Thus, developing environmentally friendly innovative methods that are adapted to large-scale production and that are economically viable are keystones in modern phytochemistry research. Newer methods have emerged, like accelerated solvent extraction, microwave assisted extraction, ultrasound assisted extraction (sonication) (Nayak et al, 2015), supercritical fluid extraction (Caredda et al, 2002), enzyme assisted extraction (Rafińska et al, 2022), pressurised hot water extraction and deep eutectic solvents ( Loarce et al, 2021;Liao et al, 2022).…”

Section: Alcoholic and Hydroethanolic Extractsmentioning

confidence: 99%

Poultry Meat Quality Preservation By Plant Extracts: An Overview

Feknous,

Ait Saada,

Boulahlib

et al. 2023

Meat Technology

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Poultry meat is appreciated by consumers for its nutritional value, low fat content, versatility of use in various cuisines and affordable prices. However, its susceptibility to spoilage due to multiple pre-slaughter and processing factors poses challenges for the meat industry, especially in developing countries. To improve the safety of poultry products, synthetic preservatives like nitrites, butylated hydroxytoluene and sulphites are used. Currently, these additives/preservatives have, however, raised concerns about their impact on human health, prompting a shift from consumers toward natural alternatives, such as medicinal and aromatic plants. Therefore, this paper delves into the potential of plant extracts as natural preservatives for improving the quality and shelf-life of chicken meat and processed products. It provides an overview of the various plant extracts and essential oils that have demonstrated antimicrobial, antioxidant and enzyme inhibitory properties, without compromising the sensory attributes of the products. Different incorporation methods are discussed, including direct incorporation or marination in aqueous and/or alcoholic extracts, and the use of essential oils, including for in vivo animal feed supplementation. Overall, each method influences the final product quality differently. We further summarised the current knowledge about the mechanisms of action of the plant extracts tested, even though they are not fully elucidated. Despite the benefits of these compounds, some challenges have to be addressed, including standardising the composition of the extracts, harmonising the sensitivity of the bioactive compounds with the processing conditions, ensuring cost effectiveness and obtaining regulatory approvals for their use. The scaling up of production to meet industry demands also presents some technical challenges. Overall, the application of natural plant preservatives not only enhances chicken meat quality, but also could support the meat industry to align with the evolving consumer expectations for sustainable food products.

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A greener and sustainable route for medicinal plant analysis: Recycle utilization of hydrophobic deep eutectic solvent

Cited by 11 publications

References 40 publications

Extraction of Polyphenols from Slovenian Hop (Humulus lupulus L.) Aurora Variety Using Deep Eutectic Solvents: Choice of the Extraction Method vs. Structure of the Solvent

Extraction of Polyphenols from Slovenian Hop (Humulus lupulus L.) Aurora Variety Using Deep Eutectic Solvents: Choice of the Extraction Method vs. Structure of the Solvent

Hydrophobic Deep Eutectic Solvents as Greener Substitutes for Conventional Extraction Media: Examples and Techniques

Poultry Meat Quality Preservation By Plant Extracts: An Overview

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