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Ferreira C, Sarraguça M. A Comprehensive Review on Deep Eutectic Solvents and Its Use to Extract Bioactive Compounds of Pharmaceutical Interest. Pharmaceuticals (Basel) 2024; 17:124. [PMID: 38256957 PMCID: PMC10820243 DOI: 10.3390/ph17010124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/04/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024] Open
Abstract
The extraction of bioactive compounds of pharmaceutical interest from natural sources has been significantly explored in recent decades. However, the extraction techniques used were not very efficient in terms of time and energy consumption; additionally, the solvents used for the extraction were harmful for the environment. To improve the environmental impact of the extractions and at the same time increase the extraction yields, several new extraction techniques were developed. Among the most used ones are ultrasound-assisted extraction and microwave-assisted extraction. These extraction techniques increased the yield and selectivity of the extraction in a smaller amount of time with a decrease in energy consumption. Nevertheless, a high volume of organic solvents was still used for the extraction, causing a subsequent environmental problem. Neoteric solvents appeared as green alternatives to organic solvents. Among the neoteric solvents, deep eutectic solvents were evidenced to be one of the best alternatives to organic solvents due to their intrinsic characteristics. These solvents are considered green solvents because they are made up of natural compounds such as sugars, amino acids, and carboxylic acids having low toxicity and high degradability. In addition, they are simple to prepare, with an atomic economy of 100%, with attractive physicochemical properties. Furthermore, the huge number of compounds that can be used to synthesize these solvents make them very useful in the extraction of bioactive compounds since they can be tailored to be selective towards a specific component or class of components. The main aim of this paper is to give a comprehensive review which describes the main properties, characteristics, and production methods of deep eutectic solvents as well as its application to extract from natural sources bioactive compounds with pharmaceutical interest. Additionally, an overview of the more recent and sustainable extraction techniques is also given.
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Affiliation(s)
| | - Mafalda Sarraguça
- LAQV, REQUIMTE, Department of Chemical Sciences, Laboratory of Applied Chemistry, Faculty of Pharmacy, Porto University, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal;
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Picos-Salas MA, Leyva-López N, Bastidas-Bastidas PDJ, Antunes-Ricardo M, Cabanillas-Bojórquez LA, Angulo-Escalante MA, Heredia JB, Gutiérrez-Grijalva EP. Supercritical CO 2 extraction of naringenin from Mexican oregano (Lippia graveolens): its antioxidant capacity under simulated gastrointestinal digestion. Sci Rep 2024; 14:1146. [PMID: 38212400 PMCID: PMC10784293 DOI: 10.1038/s41598-023-50997-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 12/28/2023] [Indexed: 01/13/2024] Open
Abstract
A supercritical CO2 method was optimized to recover naringenin-rich extract from Mexican oregano (Lippia graveolens), a flavanone with high antioxidant and anti-inflammatory activity. The effect of the extraction parameters like pressure, temperature, and co-solvent on naringenin concentration was evaluated. We used response surface methodology to optimize the naringenin extraction from oregano; the chemical composition by UPLC-MS of the optimized extract and the effect of simulated gastrointestinal digestion on its antioxidant capacity and total phenolic content were also evaluated. The optimum conditions were 58.4 °C and 12.46% co-solvent (ethanol), with a pressure of 166 bar, obtaining a naringenin content of 46.59 mg/g extract. Also, supercritical optimized extracts yielded high quantities of cirsimaritin, quercetin, phloridzin, apigenin, and luteolin. The results indicated that the naringenin-rich extract obtained at optimized conditions had higher total phenolic content, antioxidant capacity by TEAC and ORAC, and flavonoid content, compared with the methanolic extract, and the simulated gastrointestinal digestion reduced all these values.
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Affiliation(s)
- Manuel Adrian Picos-Salas
- Centro de Investigación en Alimentación y Desarrollo A.C., Carretera a Eldorado Km 5.5, Col. Campo El Diez, 80110, Culiacán, Sinaloa, México
| | - Nayely Leyva-López
- Posdoc CONAHCYT-Centro de Investigación en Alimentación y Desarrollo A.C., Carretera a Eldorado Km 5.5, Col. Campo El Diez, 80110, Culiacán, Sinaloa, México
| | - Pedro de Jesús Bastidas-Bastidas
- Centro de Investigación en Alimentación y Desarrollo A.C., Carretera a Eldorado Km 5.5, Col. Campo El Diez, 80110, Culiacán, Sinaloa, México
| | - Marilena Antunes-Ricardo
- Tecnologico de Monterrey, Centro de Biotecnología FEMSA, Escuela de Ingeniería y Ciencias, Av. Eugenio Garza Sada 2501 Sur, Monterrey, NL, 64849, México
- Tecnologico de Monterrey, Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, 64849, Monterrey, NL, México
| | - Luis Angel Cabanillas-Bojórquez
- Posdoc CONAHCYT-Centro de Investigación en Alimentación y Desarrollo A.C., Carretera a Eldorado Km 5.5, Col. Campo El Diez, 80110, Culiacán, Sinaloa, México
| | - Miguel Angel Angulo-Escalante
- Centro de Investigación en Alimentación y Desarrollo A.C., Carretera a Eldorado Km 5.5, Col. Campo El Diez, 80110, Culiacán, Sinaloa, México
| | - J Basilio Heredia
- Centro de Investigación en Alimentación y Desarrollo A.C., Carretera a Eldorado Km 5.5, Col. Campo El Diez, 80110, Culiacán, Sinaloa, México
| | - Erick Paul Gutiérrez-Grijalva
- Functional Foods and Nutraceuticals Laboratory, Cátedras CONAHCYT-Centro de Investigación en Alimentación y Desarrollo A.C., Carretera a Eldorado Km 5.5, Col. Campo El Diez, 80110, Culiacán, Sinaloa, México.
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Bai B, Guo Y, Meng S, Chen S, Bo T, Zhang J, Shen D, Liu Y, Yang Y, Fan S. Determination of Flavonoid Compounds in Shanxi Aged Vinegars Based on Hydrophobic Deep Eutectic Solvent VALLME-HPLC Method: Assessment of the Environmental Impact of the Developed Method. Molecules 2023; 28:5619. [PMID: 37513490 PMCID: PMC10384238 DOI: 10.3390/molecules28145619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
This research presents a novel, eco-friendly, vortex-assisted liquid-liquid microextraction (VALLME) approach, integrating hydrophobic deep eutectic solvents (DESs) with HPLC for the identification and quantification of nine specific flavonoids in Shanxi aged vinegar (SAV). The parameters of DES-VALLME, including the ratio of trioctylmethylammonium chloride to 1,4-butanediol (1:6), DES volume (150 μL), vortex duration (5 min), the concentration of NaCl (0.40 g), and centrifugation time (10 min), were optimized to achieve the maximum extraction efficiency of target substances. Under these optimal conditions, quantitative analyses performed via HPLC demonstrated a broad linear range of 0.20-50.00 μg/mL and correlation coefficients (r2) greater than 0.9944 for all nine calibration curves. The limits of detection (LOD) and limits of quantitation (LOQ) were 0.09-0.18 μg/mL and 0.30-0.60 μg/mL, respectively, ensuring high sensitivity. The relative standard deviations for intra-day and inter-day variability were within the acceptable range, 2.34-3.77% and 3.04-4.96%, respectively, demonstrating the method's reliability. The recovery rates ranged from 85.97% to 108.11%, underscoring the method's precision. This technique exhibited a significant enrichment effect (enrichment factor: 43 to 296) on SAV flavonoids. Notably, the eco-friendliness of this procedure was evaluated using the Analytical Eco-Scale, Green Analytical Procedure Index, and Analytical Greenness Metric. The results suggested that this technique is a viable green alternative to traditional flavonoid determination methods in SAV. In summary, this novel method provides a theoretical basis for assessing flavonoid content in SAV samples and tracing SAV products. This contribution has significant implications for enhancing analytical techniques in food chemistry and environmental science and the sustainable development of the food industry.
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Affiliation(s)
- Baoqing Bai
- School of Life Science, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University, Taiyuan 030006, China
| | - Yanli Guo
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Siyuan Meng
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Shujun Chen
- School of Life Science, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University, Taiyuan 030006, China
| | - Tao Bo
- School of Life Science, Shanxi University, Taiyuan 030006, China
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Biotechnology, Shanxi University, Taiyuan 030006, China
| | - Jinhua Zhang
- School of Life Science, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University, Taiyuan 030006, China
| | - Dan Shen
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Yifei Liu
- School of Life Science, Shanxi University, Taiyuan 030006, China
| | - Yukun Yang
- School of Life Science, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University, Taiyuan 030006, China
| | - Sanhong Fan
- School of Life Science, Shanxi University, Taiyuan 030006, China
- Shanxi Key Laboratory for Research and Development of Regional Plants, Shanxi University, Taiyuan 030006, China
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Liga S, Paul C, Péter F. Flavonoids: Overview of Biosynthesis, Biological Activity, and Current Extraction Techniques. PLANTS (BASEL, SWITZERLAND) 2023; 12:2732. [PMID: 37514347 PMCID: PMC10384615 DOI: 10.3390/plants12142732] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/17/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023]
Abstract
Recently, increased attention has been paid to natural sources as raw materials for the development of new added-value products. Flavonoids are a large family of polyphenols which include several classes based on their basic structure: flavanones, flavones, isoflavones, flavonols, flavanols, and anthocyanins. They have a multitude of biological properties, such as anti-inflammatory, antioxidant, antiviral, antimicrobial, anticancer, cardioprotective, and neuroprotective effects. Current trends of research and development on flavonoids relate to identification, extraction, isolation, physico-chemical characterization, and their applications to health benefits. This review presents an up-to-date survey of the most recent developments in the natural flavonoid classes, the biological activity of representative flavonoids, current extraction techniques, and perspectives.
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Affiliation(s)
- Sergio Liga
- Biocatalysis Group, Department of Applied Chemistry and Engineering of Organic and Natural Compounds, Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University Timisoara, Carol Telbisz 6, 300001 Timisoara, Romania
| | - Cristina Paul
- Biocatalysis Group, Department of Applied Chemistry and Engineering of Organic and Natural Compounds, Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University Timisoara, Carol Telbisz 6, 300001 Timisoara, Romania
| | - Francisc Péter
- Biocatalysis Group, Department of Applied Chemistry and Engineering of Organic and Natural Compounds, Faculty of Industrial Chemistry and Environmental Engineering, Politehnica University Timisoara, Carol Telbisz 6, 300001 Timisoara, Romania
- Research Institute for Renewable Energies, Politehnica University Timisoara, Gavril Muzicescu 138, 300501 Timisoara, Romania
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