Deep Eutectic Solvents for Extraction of Bioactives for Cosmetic and Textile Fields

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Chemical Processes and Systems".

Deadline for manuscript submissions: closed (30 June 2023) | Viewed by 3830

Special Issue Editors


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Guest Editor
Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
Interests: proteins for surfaces’ functionalization; enzymatic polymerization; enzymatic reactions; deep eutectic solvents for extraction, cosmetics and textile applications
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4700-057 Braga, Portugal
Interests: development of protein-based cosmetics; protein engineering; protein expression; hair as an analytical tool; in vitro culture of cells and screening of molecules bioactivity
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The extraction of natural compounds from the most diverse types of plants has been undertaken; however, lab-intensive and time-consuming extraction and purification processes have created bottlenecks in the application of these products in the cosmetic and textile fields. The extraction processes are considered “clean” when compared with those in the heavy chemical industries, but researchers found that the environmental impact is far greater than it first appeared. Environmental issues have driven the search for greener and safer solvents to replace harsh extraction processes of natural compounds. Sugars, amino acids or organic acids are typically solid at room temperature but present a high melting point depression when combined at a particular molar fraction, becoming liquids at room temperature. These are called Natural Deep Eutectic Solvents—NADES. Their application goes beyond chemical or materials engineering, covering a wide range of fields from extraction to biocatalysis. In recent years, these solvents have been applied in several fields in which the extraction of bioactives for cosmetics is necessary. This Special Issue is dedicated to this field and intends to cover a vast number of publications regarding the area, which can focus on topics from NADES processing to their application in extraction processes and the final exploitation of the bioactives in the cosmetic and textile fields.

Dr. Carla Silva
Prof. Dr. Artur Ribeiro
Guest Editors

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Keywords

  • natural deep eutectic solvents
  • extraction
  • bioactives
  • cosmetics

Published Papers (1 paper)

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Review

15 pages, 318 KiB  
Review
Research Progress on Deep Eutectic Solvents and Recent Applications
by Liting Mu, Jinshuang Gao, Qingyu Zhang, Fanyu Kong, Yu Zhang, Zhen Ma, Changhai Sun and Shaochun Lv
Processes 2023, 11(7), 1986; https://doi.org/10.3390/pr11071986 - 30 Jun 2023
Cited by 7 | Viewed by 3282
Abstract
In this study, the classification, composition, preparation methods, and performance parameters of deep eutectic solvents (DESs) and their recent applications in natural product extraction, drug delivery systems, trace metal determination, nanomaterial synthesis, and electrochemistry are systematically summarised through the literature of recent decades, [...] Read more.
In this study, the classification, composition, preparation methods, and performance parameters of deep eutectic solvents (DESs) and their recent applications in natural product extraction, drug delivery systems, trace metal determination, nanomaterial synthesis, and electrochemistry are systematically summarised through the literature of recent decades, using DESs and applications as keywords. The hydrogen bond acceptors (HBA) of DESs are mainly quaternary ammonium salts (e.g., choline chloride) or amphoteric ions (e.g., betaine); the hydrogen bond donors (HBD) are mostly compounds such as urea, polyols, and sugars. Their melting points are related to hydrogen bonding, their polarities are higher than most ionic liquids, and their viscosities are generally in the range of 0.01–5 Pa·s. Compared with traditional organic solvents and conventional ionic liquids, DESs have higher solubility, with their ability to dissolve metal oxides and insoluble drugs, and have good biodegradability. DESs have high extraction rates in flavonoids and phenols, can increase drug solubility in drug delivery systems, can effectively extract and perform pre-concentration of metals in trace metal determination, can synthesise new nanomaterial, and can be used as electrolytes for electrochemical reactions in electrochemistry. This paper collates the relevant literature on the physicochemical properties and multi-field applications of DESs, which provides a deeper understanding of DESs and looks forward to the future development of DESs Full article
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