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Molnar M, Jakovljević Kovač M, Pavić V. A Comprehensive Analysis of Diversity, Structure, Biosynthesis and Extraction of Biologically Active Tannins from Various Plant-Based Materials Using Deep Eutectic Solvents. Molecules 2024; 29:2615. [PMID: 38893491 PMCID: PMC11173854 DOI: 10.3390/molecules29112615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/27/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
This paper explores the emerging subject of extracting tannins from various plant sources using deep eutectic solvents (DESs). Tannins are widely used in the food and feed industries as they have outstanding antioxidant qualities and greatly enhance the flavor and nutritional content of a wide range of food products. Organic solvents are frequently used in traditional extraction techniques, which raises questions about their safety for human health and the environment. DESs present a prospective substitute because of their low toxicity, adaptability, and environmental friendliness. The fundamental ideas supporting the application of DESs in the extraction of tannins from a range of plant-based materials frequently used in daily life are all well covered in this paper. Furthermore, this paper covers the impact of extraction parameters on the yield of extracted tannins, as well as possible obstacles and directions for future research in this emerging subject. This includes challenges such as high viscosity, intricated recovery of compounds, thermal degradation, and the occurrence of esterification. An extensive summary of the diversity, structure, biosynthesis, distribution, and roles of tannins in plants is given in this paper. Additionally, this paper thoroughly examines various bioactivities of tannins and their metabolites.
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Affiliation(s)
- Maja Molnar
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, 31000 Osijek, Croatia; (M.M.); (M.J.K.)
| | - Martina Jakovljević Kovač
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, 31000 Osijek, Croatia; (M.M.); (M.J.K.)
| | - Valentina Pavić
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, 31000 Osijek, Croatia
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Wang X, Wei Y, Fan Z, Chen Y, Cui Z. Life cycle assessment for evaluation of novel solvents and technologies: A case study of flavonoids extraction from Ginkgo biloba leaves. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171319. [PMID: 38423327 DOI: 10.1016/j.scitotenv.2024.171319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 02/20/2024] [Accepted: 02/25/2024] [Indexed: 03/02/2024]
Abstract
Innovative solvents such as deep eutectic solvents (DESs) and process intensification technologies assisted by ultrasound have been demonstrated to be promising pathways for enhancing solid-liquid extraction. Nevertheless, quantitative and systematic knowledge of their environmental impact is still limited. In this work, a case study of flavonoids extraction from Ginkgo biloba leaves was evaluated by using life cycle assessment (LCA) for comparison of three extraction scenarios. The first used DES as extractant (DESE), and the other two adopted ethanol, including heat reflux extraction (HRE), and ultrasound-assisted extraction (UAE). Among eight key midpoints investigated, all these from UAE were 10.0 %-80.0 % lower than from DESE and HRE except water consumption. The UAE was the eco-friendliest option due to its higher extraction yield, shorter duration and lower solvent consumption. The DESE exhibited the lowest water consumption, the highest freshwater ecotoxicity and human carcinogenic toxicity, while HRE had the highest impacts for the other 6 midpoints. Moreover, solvent production was the key contributor for all the categories. The standardized sensitivity analysis showed that the overall environmental footprint can be further decreased by 15.4 % for DESE pathways via substituting choline chloride/glycerine with choline chloride/ethylene glycol. Furthermore, all pathways using DESs had higher standardized impacts than those employing ethanol from sugarcane or wood. Replacing ethanol from maize with other feedstocks can significantly lessen the overall impacts, among which the UAE using ethanol from sugarcane demonstrated the least environmental impacts. The promotion of DESs as "green and sustainable" alternative to traditional solvents requires careful consideration.
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Affiliation(s)
- Xuan Wang
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
| | - Yuting Wei
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
| | - Zhenyan Fan
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
| | - Yueyuan Chen
- Guangxi Key Laboratory of Plant Functional Phytochemicals and Sustainable Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, Guangxi, China
| | - Zhifang Cui
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China; Guangxi Key Laboratory of Plant Functional Phytochemicals and Sustainable Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, Guangxi, China.
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Liu CL, Jiang Y, Li HJ. Quality Consistency Evaluation of Traditional Chinese Medicines: Current Status and Future Perspectives. Crit Rev Anal Chem 2024:1-18. [PMID: 38252135 DOI: 10.1080/10408347.2024.2305267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Quality consistency evaluation of traditional Chinese medicines (TCMs) is a crucial factor that determines the safe and effective application in clinical settings. However, TCMs exhibit diverse, heterogeneous, complex, and flexible chemical compositions, as well as variability in preparation processes. These characteristics pose greater challenges in researching the consistency of TCMs compared to chemically synthesized and biological drugs. Therefore, it is paramount to develop effective strategies for evaluating the quality consistency of TCMs. From the starting point of quality properties, this review explores the strategy used to evaluate quality consistency in terms of chemistry-based strategy (chemical consistency) and the biology-based strategy (bioequivalence). Among them, the chemistry-based strategy is the mainstream, and biology-based strategy complements the chemistry-based strategy each other. Furthermore, the emerging chemistry-biology strategies (overall evaluation) is discussed, including individually combining strategy and integration strategy. Finally, this review provides insights into the challenges and future perspectives in this field. By highlighting current status and trends in TCMs quality consistency, this review aims to contribute to establishment of generally applicable chemistry-biology integrated evaluation strategy for TCMs. This will facilitate the advancement toward a higher stage of overall quality evaluation.
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Affiliation(s)
- Chun-Lu Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
| | - Yan Jiang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Hui-Jun Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
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Radmard J, Mohamadi Sani A, Arianfar A, Mahmoodzadeh Vaziri B. Efficient extraction of oleoresin from Ferula gummosa roots by natural deep eutectic solvent and its structure and chemical characterizations. Sci Rep 2024; 14:148. [PMID: 38167968 PMCID: PMC10762197 DOI: 10.1038/s41598-023-46198-6] [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: 09/02/2023] [Accepted: 10/29/2023] [Indexed: 01/05/2024] Open
Abstract
Deep eutectic solvents in the extraction of plant metabolites have found many advantages, such as low toxicity, biodegradability, low cost and ease of preparation over the conventional methods. This work aims to compare natural deep eutectic solvents in extraction and optimization of oleoresin from Ferula gummosa and determining its chemical and structure properties. Box-Behnken design was applied to optimize the extraction of oleoresin from Ferula gummosa using eutectic solvents. The variables of extraction were extraction time, temperature, and ratio of eutectic solvents. Six mixtures of eutectic solvents including choline chloride/urea, acetic acid, lactic acid, formic acid, formamide and glycerol at ratios of 2:1 and 3:1 were evaluated. The highest yields were obtained for choline chloride/formic acid, choline chloride/formamide. The quadratic regression equation was set up as a predictive model with an R2 value of 0.85. The optimum condition was 6 h, 40 °C, and ratio 12.5% (w/v). No significant difference was found between the predicted and experimental yield. The main components of the oleoresin were β-pinene (40.27%), cylcofenchen (11.93%) and α-pinene (7.53%) as characterized by gas chromatography-mass spectrometry. The chemical structure study by spectroscopy showed that no solvents remained in the oleoresin. Therefore, F. gummosa oleoresin can be explored as a novel promising natural pharmaceutical ingredient extracted with eutectic solvents.
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Affiliation(s)
- Javad Radmard
- Department of Food Science and Technology, Quchan Branch, Islamic Azad University, Quchan, Iran
| | - Ali Mohamadi Sani
- Department of Food Science and Technology, Quchan Branch, Islamic Azad University, Quchan, Iran.
| | - Akram Arianfar
- Department of Food Science and Technology, Quchan Branch, Islamic Azad University, Quchan, Iran
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Cui J, Fang D, Tian X, Peng J, Chen D, Xu S, Ma L. Sustainable conversion of cottonseed hulls to valuable proanthocyanidins through ultrasound-assisted deep eutectic solvent extraction. ULTRASONICS SONOCHEMISTRY 2023; 100:106605. [PMID: 37742421 PMCID: PMC10520932 DOI: 10.1016/j.ultsonch.2023.106605] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/18/2023] [Accepted: 09/16/2023] [Indexed: 09/26/2023]
Abstract
This study presents a novel approach for converting cottonseed hulls (CSHs) into valuable proanthocyanidins (PAs) through deep eutectic solvent (DES)-based ultrasound-assisted extraction (UAE-DES). Response surface methodology (RSM) was applied to optimize and model this process, resulting in maximum yields of 78.58 mg/g. The ideal PA extraction conditions were determined to be a liquid-to-material ratio of 36.25 mL/g, a water content of 33.21%, and an extraction period of 7.4 min. Molecular dynamic simulations (MDS) were performed to study the interactions between the solvent and target chemicals. Increased van der Waals forces and stronger interactions between DES and the target chemical catechin (CA) compared to those observed with methanol or water were observed. Furthermore, the optimized extract exhibited a higher PA content than can be obtained with conventional extraction methods and demonstrated antioxidant activity in vitro. The cottonseed hulls residues (CSRs) remaining after the extraction process can be used to produce activated carbon (ACCSR), which has some capacity to adsorb methylene blue (MB) contaminants. This study offers a reference for the fruitful transformation of waste biomass into high-value products.
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Affiliation(s)
- Jing Cui
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Dan Fang
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Xinquan Tian
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Jun Peng
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Di Chen
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China.
| | - Shuangjiao Xu
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China.
| | - Lei Ma
- Zhengzhou Research Base, National Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; Western Agricultural Research Center of Chinese Academy of Agricultural Sciences, Chinese Academy of Agricultural Sciences, Changji 831100, China.
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Can Gerçek Y, Kutlu N, Çelik S, Gıdık B, Bayram S, Bayram NE. Extraction of Functional Compounds from Tarragon (Artemisia dracunculus L.) by Deep Eutectic Solvents at Different Properties. Chem Biodivers 2023; 20:e202300417. [PMID: 37574459 DOI: 10.1002/cbdv.202300417] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/10/2023] [Accepted: 08/11/2023] [Indexed: 08/15/2023]
Abstract
In this study, it was aimed to examine the capacity of deep eutectic solvents (DESs) with different contents to extract bioactive compounds from tarragon (Artemisia dracunculus L.) plant. For this reason, the total phenolic-flavonoid content, total proanthocyanidin content and antioxidant/antimicrobial activities of the prepared DES extracts were investigated, as well as the individual phenolic and individual amino acid profiles. According to the results, DES10 had the highest efficiency in terms of its capacity to extract individual phenolics (approximately 59 mg/100 g) and individual amino acids (approximately 2500 mg/kg), and also gave a higher yield compared to ethanol (approximately 44 mg/100 g for individual phenolics and about 19810 mg/kg for individual amino acids) and methanol (approximately 58 mg/100 g for individual phenolics and approximately 21430 mg/kg for individual amino acids). However, the total phenolic content, total flavonoid content and antioxidant activity values of DES extracts were determined between 59.09-77.50 mg GAE/100 g, 28.68-45.55 mg GAE/100 g and 42.96-146.86 mg TE/100 g, respectively. Therefore, it can be recommended to use these green solvents, which are known as environmentally friendly, as an alternative to organic solvents in the process of preparing extracts of this important medicinal plant in different areas.
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Affiliation(s)
- Yusuf Can Gerçek
- Department of Biology, Faculty of Science, Istanbul University, 34116, Istanbul, Turkey
- Center for Plant and Herbal Products Research-Development, 34134, Istanbul, Turkey
| | - Naciye Kutlu
- Department of Food Processing, Aydıntepe Vocational College, Bayburt University, 69500, Bayburt, Turkey
| | - Saffet Çelik
- Technology Research and Development Application and Research Center, Trakya University, 22100, Edirne, Turkey
| | - Betül Gıdık
- Department of Organic Farming Management, Faculty of Applied Science, Bayburt University, 69000, Bayburt, Turkey
| | - Sinan Bayram
- Department of Medical Services and Techniques, Vocational School of Health Services, Bayburt University, 69000, Bayburt, Turkey
| | - Nesrin Ecem Bayram
- Department of Food Processing, Aydıntepe Vocational College, Bayburt University, 69500, Bayburt, Turkey
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Mannino G, Serio G, Gaglio R, Maffei ME, Settanni L, Di Stefano V, Gentile C. Biological Activity and Metabolomics of Griffonia simplicifolia Seeds Extracted with Different Methodologies. Antioxidants (Basel) 2023; 12:1709. [PMID: 37760012 PMCID: PMC10525635 DOI: 10.3390/antiox12091709] [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: 08/07/2023] [Revised: 08/26/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Griffonia simplicifolia, a tropical plant endemic to West Africa, is highly regarded for its significant pharmacological potential. The objective of this study was to evaluate the metabolomic profile and to explore the antioxidant properties, antiproliferative activity, and antimicrobial potential of G. simplicifolia seed extracts obtained through either maceration, microwave-assisted extraction (MAE), or Soxhlet extraction using water, acetone, methanol and ethanol as solvents. Overall, methanol possessed superior total extraction efficiency. HPLC analyses confirmed the efficacy of acetone and ethanol as optimal solvents for the extraction of flavonoids and flavan-3-ols, whereas MAE exhibited enhanced effectiveness in extracting N-containing compounds, including 5-hydroxytryptophan (5-HTP). HPLC-MS analyses identified forty-three compounds, including thirty-four phenolic compounds and nine N-containing molecules. Isomyricitrin, taxifolin and a flavonol glucuronide were the main polyphenols, whereas 5-HTP was the main N-containing compound. Hydroalcoholic G. simplicifolia extracts showed the highest radical scavenging and metal-reducing antioxidant power, suggesting that most of the contribution to antioxidant activity depends on the more polar bioactive compounds. G. simplicifolia extracts showed dose-dependent antiproliferative activity against three distinct cancer cell lines (HeLa, HepG2, and MCF-7), with notable variations observed among both the different extracts and cell lines and divergent GI50 values, emphasizing substantial discrepancies in cell sensitivity to the various extracts. Furthermore, G. simplicifolia extracts revealed antibiotic activity against Staphylococcus aureus. Our results highlight the potential of G. simplicifolia phytochemicals in the development of functional foods, nutraceuticals, and dietary supplements.
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Affiliation(s)
- Giuseppe Mannino
- Plant Physiology Unit, Department of Life Sciences and Systems Biology, University of Turin, Via Quarello 15/A, 10135 Turin, Italy;
| | - Graziella Serio
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy; (G.S.); (V.D.S.)
| | - Raimondo Gaglio
- Department of Agricultural, Food and Forest Sciences, University of Palermo, Viale delle Scienze, 90128 Palermo, Italy; (R.G.); (L.S.)
| | - Massimo E. Maffei
- Plant Physiology Unit, Department of Life Sciences and Systems Biology, University of Turin, Via Quarello 15/A, 10135 Turin, Italy;
| | - Luca Settanni
- Department of Agricultural, Food and Forest Sciences, University of Palermo, Viale delle Scienze, 90128 Palermo, Italy; (R.G.); (L.S.)
| | - Vita Di Stefano
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy; (G.S.); (V.D.S.)
| | - Carla Gentile
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, 90128 Palermo, Italy; (G.S.); (V.D.S.)
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Zhu C, Fan Y, Bai X. A Green and Effective Polyethylene Glycols-Based Microwave-Assisted Extraction of Carnosic and Rosmarinic Acids from Rosmarinus officinalis Leaves. Foods 2023; 12:foods12091761. [PMID: 37174298 PMCID: PMC10177924 DOI: 10.3390/foods12091761] [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: 03/08/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023] Open
Abstract
Rosmarinus officinalis leaves (ROLs) are widely used as a popular culinary spice for flavoring food, in which carnosic acid (CA) and rosmarinic acid (RA) are the main active components. The extraction of CA and RA is limited by lowextraction efficiency and extraction rate. In this work, a microwave-assisted extraction (MAE) method using biodegradable, low-toxic and nonflammable solvents polyethylene glycols (PEGs) as extraction solvents was developed for theextraction of CA and RA from ROLs. Experimental results suggest that PEG-400 was a better choice compared with PEG-200, and the optimal extraction conditions were as follows: 45% of PEG-400, 4.3% of phosphoric acid, 20 s of microwave irradiation time at 280 W of microwave irradiation power, and a 10 mg mL-1 solid-liquid ratio, respectively. The tissue structures of ROLs could be effectively disrupted by PEG-based MAE, leading to high CA and RA extraction efficiencies. The PEG-400 extract exhibited stronger 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging ability compared with butylated hydroxytoluene (BHT). Finally, compared with heating reflux extraction, ultrasound-assisted extraction, maceration, and MAE using ionic liquid and ethanol as extraction solvents, the developed PEG-400 based MAE exhibited the highest extraction ability and fastest extraction rate for CA and RA. These findings suggest that MAE using PEGs as extraction solvents is a promising method for the separation of bioactive compounds from natural plants.
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Affiliation(s)
- Chunyan Zhu
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China
| | - Yunchang Fan
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China
| | - Xiujun Bai
- Shijiazhuang ENN Gas Co., Ltd., Shijiazhuang 050081, China
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Zhang L, Fang X, Sun J, Su E, Cao F, Zhao L. Study on Synergistic Anti-Inflammatory Effect of Typical Functional Components of Extracts of Ginkgo Biloba Leaves. Molecules 2023; 28:molecules28031377. [PMID: 36771046 PMCID: PMC9920934 DOI: 10.3390/molecules28031377] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 01/20/2023] [Accepted: 01/22/2023] [Indexed: 02/04/2023] Open
Abstract
There are some differences in the anti-inflammatory activities of four typical components in EGB (extracts of ginkgo biloba leaves), and there is also a synergistic relationship. The order of inhibiting the NO-release ability of single functional components is OA > GF > OPC > G. Ginkgolide (G), proanthocyanidins (OPC), and organic acids (OA) all have synergistic effects on ginkgo flavonoids (GF). GF:OA (1:9) is the lowest interaction index among all complexes, showing the strongest synergy. The anti-inflammatory mechanism of the compound affects the expression of p-JNK, p-P38, and p-ERK1/2 proteins by inhibiting the expression of iNOS and COX2 genes on NFKB and MAPK pathways. This also provides a research basis for the development of anti-inflammatory deep-processing products of EGB.
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Affiliation(s)
- Lihu Zhang
- Department of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
| | - Xianying Fang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
- College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Jihu Sun
- Department of Pharmacy, Jiangsu Vocational College of Medicine, Yancheng 224005, China
- Correspondence: (J.S.); or (L.Z.)
| | - Erzheng Su
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
| | - Fuliang Cao
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
| | - Linguo Zhao
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
- Correspondence: (J.S.); or (L.Z.)
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Yang Z, Yue SJ, Gao H, Zhang Q, Xu DQ, Zhou J, Li JJ, Tang YP. Natural deep eutectic solvent-ultrasound assisted extraction: A green approach for ellagic acid extraction from Geum japonicum. Front Nutr 2023; 9:1079767. [PMID: 36698456 PMCID: PMC9868705 DOI: 10.3389/fnut.2022.1079767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 12/16/2022] [Indexed: 01/11/2023] Open
Abstract
Introduction In China and other Asian nations, Geum japonicum (GJ) is used as functional vegetables or as a type of folk medicine. Ellagic acid (EA) is one of the main active ingredients in GJ and has been utilized in food, cosmetics, and medicinal goods worldwide. Natural deep eutectic solvents (NADESs) have gradually replaced organic solvents for efficient extraction of plant-derived active compounds due to its environmental protection, low toxicity, low solubility, reusability, etc. Methods NADES with the highest EA yield was selected and the extraction conditions were optimized by response surface methodology (RSM), the antioxidant activity of NADES extract was determined, and finally Fourier transform infrared (FT-IR) and scanning electron microscopy (SEM) were used to explain the mechanism for the increase of EA yield in GJ. Results In this work, several NADESs were tailored for the ultrasound assisted extraction (UAE) of EA from GJ, among which choline chloride-oxalic acid (ChCl:Oa) was the most effective. In optimal conditions, ChCl:Oa extract produced higher EA yields than common organic solvents including methanol, ethanol, and acetone. In vitro antioxidant experiments showed that ChCl:Oa extract had stronger DPPH radical scavenging ability than other solvent extracts. Mechanically, FT-IR results indicated that ChCl:Oa could form a hydrogen bonding with EA, which enhanced the stability of EA. Meanwhile, ChCl:Oa-UAE treatment could destroy the tissue structure of GJ, thereby improving EA yield. Discussion In conclusion, these results imply that the ChCl:Oa-UAE method might be an environmentally friendly approach for extracting EA from GJ.
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11
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Standardization of proanthocyanidin extract’s mean degree of polymerization using eutectic solvents. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2022.104887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Li R, Xia Z, Tian Y, Guan M, Zheng Y, Bin L, Dong J, Jiang Q, Du L, Li M. Purification of total flavonoids from Ginkgo biloba flowers with resin column chromatography and evaluation of antioxidant activities in vitro. Prep Biochem Biotechnol 2023; 53:308-316. [PMID: 35670651 DOI: 10.1080/10826068.2022.2081861] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Purification of total flavonoids from Ginkgo biloba flowers (GBF) extracts were studied using six resins. Adsorption-desorption experiments indicated that polyamide resin is the most suitable resin. The optimal purification process of total flavonoids of GBF was as follows: a loading concentration of 5.85 mg/mL, a loading volume of 1 bed volume (BV), a loading flow rate of 2 BV/h, a water volume of 2.67 BV, and a desorption solution of 40% ethanol. Under these conditions, the maximum purity of total flavonoids was 37.1 ± 1.1%. The antioxidant activity of purified flavonoids was further evaluated in vitro. It showed that the 40% ethanol purified fraction (Fr. B) group had the strongest antioxidant activity of the 2, 2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity concentration for 50% of maximal effect (EC50, 145.4 ± 13.8 µg/mL) and ferric reducing ability (2.5 ± 0.2 mM FeSO4 equivalent mg-1 Fr. B). In addition, at the concentration of 160 µg/mL, the Fr. B strikingly increased the viability rate of hydrogen peroxide stimulated PC-12 cells to normal levels (***p < 0.001). This method provides a basis for the application and development of GBF resources. It indicated that the purified GBF flavonoids can be used as a source of potential antioxidant.
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Affiliation(s)
- Ruihong Li
- School of Pharmacy, Henan University, Kaifeng, China.,Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | - Ziming Xia
- Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | - Ying Tian
- Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | - Mengjia Guan
- Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | - Yaping Zheng
- School of Pharmacy, Henan University, Kaifeng, China.,Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | - Li Bin
- Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | - Junxing Dong
- Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | | | - Lina Du
- School of Pharmacy, Henan University, Kaifeng, China.,Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing, China
| | - Min Li
- Department of Pharmaceutical Chemistry, Beijing Institute of Radiation Medicine, Beijing, China
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Liu Y, Xin H, Zhang Y, Che F, Shen N, Cui Y. Leaves, seeds and exocarp of Ginkgo biloba L. (Ginkgoaceae): A Comprehensive Review of Traditional Uses, phytochemistry, pharmacology, resource utilization and toxicity. JOURNAL OF ETHNOPHARMACOLOGY 2022; 298:115645. [PMID: 35988840 DOI: 10.1016/j.jep.2022.115645] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 08/07/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Ginkgo biloba L. (Ginkgoaceae) is a treasure species with high medicinal value. The Ming Dynasty "Compendium of Materia Medica" and Qing Dynasty "Bencao Fengyuan" in China recorded this herbal medicine can reduce phlegm, clear poison, treat diarrhea and frequent urination, etc. AIM OF THE STUDY: Until now, there is no painstakingly summarized review on leaves, seeds and exocarp of G. biloba simultaneously. This review will systematically summarize and compare current knowledge of G. biloba. MATERIALS AND METHODS Ample original publications related to traditional uses, phytochemistry, pharmacology, resource utilization and toxicity of G. biloba leaves, seeds and exocarp till the end of 2021 were searched and collected by using various literature databases, including China National Knowledge Infrastructure, PubMed, Elsevier, Springer, Google Scholar and Web of Science database. RESULTS According to classical Chinese herbal books and Chinese Pharmacopoeia, relieving cough, reducing phlegm, clearing poison and relieving diarrhea are the main pharmacological effects of G. biloba. The common chemical ingredients in different parts of G. biloba are flavonoids, terpenoids, phenolic acids, polysaccharides and endotoxin, etc. Among them, flavonoids and terpenoids are the main bioactive compounds in G. biloba leaves. Phenolic acids are the main bioactive compounds in G. biloba exocarp. G. biloba seeds are rich in nutritional ingredients, such as starch, adipose, protein, etc. Modern pharmacological studies showed that the crude extracts or compounds of G. biloba leaves, seeds and exocarp can be used for treating cardiovascular and cerebrovascular diseases, Alzheimer's disease, atherosclerosis, cancer, asthma, non-alcoholic fatty liver, diabetic complications and other diseases. In daily life, G. biloba seeds were usually used as raw material or additives for commodities, healthy food, drinks, even insecticides and antibacterial agents, etc. G. biloba leaves and seeds have been mainly applied for treating cardiovascular and cerebrovascular diseases, cough and asthma in clinical. However, endotoxins and ginkgolic acids have been identified as the dominating toxic ingredients in different parts of G. biloba. Besides, flavonoids and ginkgolides also have been proved to have toxicity recently. CONCLUSIONS This review systematically sums up and compares the traditional uses, phytochemistry, pharmacology, resource utilization and toxicity research progress of G. biloba leaves, seeds and exocarp for the first time. It will provide some comprehensive reference data and suggestions for future research on this herbal medicine.
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Affiliation(s)
- Yanxia Liu
- School of Medicine, Linyi University, Linyi, 276000, Shandong, China
| | - Huawei Xin
- School of Medicine, Linyi University, Linyi, 276000, Shandong, China
| | - Yunchao Zhang
- School of Medicine, Linyi University, Linyi, 276000, Shandong, China
| | - Fengyuan Che
- Linyi People's Hospital, Linyi, 276000, Shandong, China
| | - Na Shen
- School of Medicine, Linyi University, Linyi, 276000, Shandong, China
| | - Yulei Cui
- School of Medicine, Linyi University, Linyi, 276000, Shandong, China; Linyi People's Hospital, Linyi, 276000, Shandong, China.
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14
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Kulić Ž, Lehner MD, Dietz GPH. Ginkgo biloba leaf extract EGb 761® as a paragon of the product by process concept. Front Pharmacol 2022; 13:1007746. [PMID: 36304165 PMCID: PMC9593214 DOI: 10.3389/fphar.2022.1007746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 08/30/2022] [Indexed: 11/16/2022] Open
Abstract
It is an often-neglected fact that extracts derived from the very same plant can differ significantly in their phytochemical composition, and thus also in their pharmacokinetic and pharmacodynamic properties which are the basis for their clinical efficacy and safety. The Ginkgo biloba L. [Ginkgoaceae] special extract EGb 761® is one of the best-studied plant extracts in the world. In the present review, using that extract as a paradigm, we describe insights how climate, the harvest region, processing of the plant material, the drying process, the extraction solvents, and the details of the subsequent process steps substantially impact the quality and uniformity of the final extract. We highlight the importance of regulating active constituent levels and consistent reduction of undesired substances in herbal extracts. This is accomplished by a controlled production process and corresponding analytical specifications. In conclusion, since extracts derived from the same plant can have very different phytochemical compositions, results from pharmacological, toxicological and clinical studies gained with one specific extract cannot be extrapolated to other extracts that were generated using different production processes. We propose that the heterogenous nature of extracts should be meticulously considered when evaluating the efficacy and safety of plant-derived remedies.
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Affiliation(s)
- Žarko Kulić
- Preclinical Research and Development, Dr. Willmar Schwabe GmbH and Co., KG, Karlsruhe, Germany
| | - Martin D. Lehner
- Preclinical Research and Development, Dr. Willmar Schwabe GmbH and Co., KG, Karlsruhe, Germany
| | - Gunnar P. H. Dietz
- Global Medical Affairs, Dr. Willmar Schwabe GmbH and Co., KG, Karlsruhe, Germany
- University Medical Center, Göttingen, Germany
- *Correspondence: Gunnar P. H. Dietz,
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15
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Yan J, Ma S, Feng M, Zheng J, Guo M. Hydrophobic deep eutectic solvent-based ultrasonic-assisted liquid-liquid microextraction combined with GC for eugenol, isoeugenol, and methyl isoeugenol determination in aquatic products. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2022; 39:1718-1730. [PMID: 35997563 DOI: 10.1080/19440049.2022.2112764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
The use of deep eutectic solvents (DESs) has great prospects because of the green and efficient characteristics, which can be used for developing analytical methods for foods. In this research, assisted by ultrasonic waves, a liquid-liquid microextraction detection method combined with gas chromatography was established for three anaesthetics (eugenol, isoeugenol, and methyl isoeugenol) in aquatic food. The processing conditions including the components, ratio of hydrogen bond acceptor and hydrogen bond donor, DES volume, ultrasonic time, and pH were evaluated and optimised to improve the extraction efficiency, which was based on the DES structures and properties. In-house method validation was carried out by applying to real samples. A Thymol: levulinic acid DES (with a molar ratio of 1:2) was used as the extractant and the recoveries were as high as 93-101% for eugenol, 90-100% for methyl isoeugenol, and 86-94% for isoeugenol with RSDs <5% under optimum conditions. The limit of detection and quantification of the eugenol compounds were 0.08-0.10 μg/mL and 0.26-0.33 μg/mL, respectively. The method has green credentials and comparable LOD to homologous apparatus, which can be used for the determination of eugenol components in aquatic food.
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Affiliation(s)
- Jiaze Yan
- College of Environment and Chemical Engineering, Dalian University, Dalian, China.,Dalian Harmony Medical Diagnosis Laboratory Co., Ltd, Dalian, China
| | - Shaomin Ma
- College of Environment and Chemical Engineering, Dalian University, Dalian, China
| | - Mingrui Feng
- College of Environment and Chemical Engineering, Dalian University, Dalian, China
| | - Jiqi Zheng
- College of Environment and Chemical Engineering, Dalian University, Dalian, China
| | - Ming Guo
- College of Environment and Chemical Engineering, Dalian University, Dalian, China
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Shishov A, Savinov S, Volodina N, Gurev I, Bulatov A. Deep eutectic solvent-based extraction of metals from oil samples for elemental analysis by ICP-OES. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107456] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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17
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Jin L, Jin W, Zhang Y, Xu S, Wan H, He Y, Yu L. Simultaneous optimization of the extraction process of Yangyin Yiqi Huoxue prescription with natural deep eutectic solvents for optimal extraction yield and antioxidant activity: A comparative study of two models. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 102:154156. [PMID: 35550223 DOI: 10.1016/j.phymed.2022.154156] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/30/2022] [Accepted: 05/04/2022] [Indexed: 06/15/2023]
Abstract
INTRODUCTION Natural deep eutectic solvents (NaDESs) are green and effective solvents that are used to extract 3 flavonoids from Yangyin Yiqi Huoxue prescription, a traditional Chinese prescription. METHODS A total of 6 types of NaDESs were systematically screened and evaluated for the total extraction yield of puerarin, calycosin, and formononetin by high-performance liquid chromatography. Then, a 4-factor-three-level experimental scheme designed by the Box-Benhnken Design was applied on the basis of a single experiment to determine the extraction yield and the antioxidant property. Finally, the extraction process was optimized through response surface methodology (RSM) and the genetic neural network (GNN), respectively. RESULTS The use of betaine-lactic acid as an extractant displayed significant advantages in the screening process. The optimum extraction parameters provided by GNN were as follows: water content 25% (v/v), liquid to material ratio 190 mg/ml, extraction time 37 min, and extraction temperature 63 °C. Under this condition, the average experimental comprehensive evaluation values of the extraction yield and antioxidant properties were 3.12 mg/g and 86.27%, and the relative deviations to the predicted values were 0.30% and 1.44%, respectively. In addition, the experimental results of GNN were better than those of RSM (p < 0.01). CONCLUSIONS We found the application of GNN to be effective and credible for bi-objective optimization of extraction yields and antioxidant activity in this study. Moreover, our results provide a reference and a theoretical basis for experimental and future industrial extraction for multi-objective situations.
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Affiliation(s)
- Lei Jin
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, P.R. China
| | - Weifeng Jin
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, P.R. China
| | - Yangyang Zhang
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, P.R.China
| | - Shouchao Xu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, P.R. China
| | - Haitong Wan
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, P.R. China
| | - Yu He
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, P.R. China.
| | - Li Yu
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, P.R. China.
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18
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A greener and sustainable route for medicinal plant analysis: Recycle utilization of hydrophobic deep eutectic solvent. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107372] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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19
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Wu J, Su M, Hu A, Wang H. Extraction and recovery of chlorogenic acid from sunflower discs using a high‐efficiency system composed of deep eutectic solvents and macroporous resins. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Jinfu Wu
- School of Chemical and Material Engineering Jiangnan University Wuxi 214122 China
| | - Mengdie Su
- School of Chemical and Material Engineering Jiangnan University Wuxi 214122 China
| | - Aiyun Hu
- School of Chemical and Material Engineering Jiangnan University Wuxi 214122 China
| | - Haijun Wang
- School of Chemical and Material Engineering Jiangnan University Wuxi 214122 China
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Identification of novel bioactive proanthocyanidins with potent antioxidant and anti-proliferative activities from kiwifruit leaves. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101554] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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21
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Extraction and identification of proanthocyanidins from the leaves of persimmon and loquat. Food Chem 2022; 372:130780. [PMID: 34624778 DOI: 10.1016/j.foodchem.2021.130780] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 07/12/2021] [Accepted: 08/03/2021] [Indexed: 12/23/2022]
Abstract
Proanthocyanidins is flavan-3-ol polymers with many activities which attracted a lot of attention. However, most of the proanthocyanidins come from fruits and seeds, resulting in higher costs. The extraction of proanthocyanidins from leaves that were trimmed as wastes from fruit trees is of good economic benefits. The proanthocyanidins in persimmon leaves and loquat leaves were extracted and purified. The purity of persimmon and loquat leaves were 85.33 ± 0.11% and 88.45 ± 0.96% with yield of 3.40% and 2.37% respectively. Detailed structure information was analyzed. Persimmon leaves proanthocyanidins mainly consist of catechin with B-type link along with a small portion of gallocatechin, catechin gallate and A-type link. Loquat leaves proanthocyanidins consist of catechin, gallocatechin, gallocatechin gallate and afzelechin with B-type link along with a small portion of A-type link. The α-amylase inhibition effect of the two leaves was analyzed. Persimmon leaves proanthocyanidins and loquat leaves proanthocyanidins were two mixed-type inhibitors to α-amylase.
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22
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Optimization of the Extraction of Proanthocyanidins from Grape Seeds Using Ultrasonication-Assisted Aqueous Ethanol and Evaluation of Anti-Steatosis Activity In Vitro. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27041363. [PMID: 35209151 PMCID: PMC8877132 DOI: 10.3390/molecules27041363] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/31/2022] [Accepted: 02/15/2022] [Indexed: 01/05/2023]
Abstract
Conventional extraction methods of proanthocyanidins (PAC) are based on toxic organic solvents, which can raise concerns about the use of extracts in supplemented food and nutraceuticals. Thus, a PAC extraction method was developed for grape seeds (GS) and grape seed powder using food-grade ethanol by optimizing the extraction conditions to generate the maximum yield of PAC. Extraction parameters, % ethanol, solvent: solid (s:s) ratio, sonication time, and temperature were optimized by the central composite design of the response surface method. The yields of PAC under different extraction conditions were quantified by the methylcellulose precipitable tannin assay. The final optimum conditions were 47% ethanol, 10:1 s:s ratio (v:w), 53 min sonication time, and 60 °C extraction temperature. High-performance liquid chromatography analysis revealed the presence of catechin, procyanidin B2, oligomeric and polymeric PAC in the grape seed-proanthocyanidin extracts (GS-PAC). GS-PAC significantly reduced reactive oxygen species and lipid accumulation in the palmitic-acid-induced mouse hepatocytes (AML12) model of steatosis. About 50% of the PAC of the GS was found to be retained in the by-product of wine fermentation. Therefore, the developed ethanol-based extraction method is suitable to produce PAC-rich functional ingredients from grape by-products to be used in supplemented food and nutraceuticals.
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23
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Ozbek Yazici S, Ozmen İ. Ultrasound assisted extraction of phenolic compounds from
Capparis Ovata
var canescens fruit using deep eutectic solvents. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16286] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sercan Ozbek Yazici
- Faculty of Health Sciences Department of Nutrition and Dietetics Burdur Mehmet Akif Ersoy University Burdur Turkey
| | - İsmail Ozmen
- Art and Science Faculty Department of Chemistry Suleyman Demirel University Isparta Turkey
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Study on Synergistic Antioxidant Effect of Typical Functional Components of Hydroethanolic Leaf Extract from Ginkgo Biloba In Vitro. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27020439. [PMID: 35056751 PMCID: PMC8778188 DOI: 10.3390/molecules27020439] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 12/27/2021] [Accepted: 01/05/2022] [Indexed: 12/27/2022]
Abstract
The predicted anti-oxidation is related to apoptosis, proliferation, lipid metabolism, cell differentiation, and immune response. There are some differences in the antioxidant capacity of the four typical components of ginkgo biloba extract (EGb) including ginkgo flavone (GF), ginkgolide (G), procyanidins (OPC), and organic acids (OA), and any two members of them can exhibit apparent synergistic effects. The order of DPPH scavenging ability was: OPC > GF > OA > G. The scavenging ability of procyanidins was close to that of VC; the scavenging capacity of ABTS was GF > OPC > OA > G. The GF:OPC (1:9) showed the best synergism in scavenging DPPH and ABTS radicals. The 193 kinds of small molecules reported in EGb were obtained by analyzing the properties of EGb. In order to construct a corresponding biological activity target set, molecular docking and the network pharmacology method were employed to build the molecular action mechanism network of a compound target, and the main biological functions and signaling pathways involved with their antioxidant activities were predicted. The results displayed that the top ten compounds which belonged to the two broad categories, ginkgo flavonoids and proanthocyanidins, could interact closely with several important target proteins (CASP3, SOD2, MAPK1, HSPA4, and NQO1). This would be expected to lay a theoretical foundation for the deep development of Ginkgo biloba extract.
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Guo H, Feng C, Hu L, Zhao X, Tang X, Huang Y, Luo J, Xu M, Xie W. Exploration of a ternary deep eutectic solvent for the efficient extraction of plantamajoside, acteoside, quercetin and kaempferol from Plantago asiatica L. PHYTOCHEMICAL ANALYSIS : PCA 2022; 33:94-104. [PMID: 34137102 DOI: 10.1002/pca.3071] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 05/10/2021] [Accepted: 05/16/2021] [Indexed: 06/12/2023]
Abstract
INTRODUCTION In the present study, ternary deep eutectic solvent-based ultrasound-assisted extraction was developed for the efficient extraction of plantamajoside, acteoside, quercetin and kaempferol from Plantago asiatica L. METHODOLOGY Six kinds of choline chloride-based ternary deep eutectic solvents (TDESs) were prepared as potential extraction solutions. In order to obtain optimal extraction efficiency, a series of extraction conditions were investigated by single-factor test and orthogonal test. RESULTS The extraction efficiency of choline chloride/lactic acid/ethylene glycol (ChCl-LA-EG) was much higher than that of other TDESs. ChCl-LA-EG-11 synthesised with choline chloride, lactic acid and ethylene glycol (1:4:2) was considered to have a higher extraction efficiency. The optimal ultrasound-assisted extraction conditions were as follows: water content in ChCl-LA-EG-11, 50%; extraction temperature, 70°C; ratio of solid/liquid, 20 mg/mL; ultrasonic power, 60 W; extraction time, 35 min; pH of the solution, 8. Under the optimal extraction conditions, the extraction efficiencies of plantamajoside, acteoside, quercetin and kaempferol were 3.83 ± 0.41, 4.23 ± 0.45, 0.56 ± 0.15 and 0.19 ± 0.08 mg/g, respectively. The extraction efficiency of the total target components was 9.21 ± 0.63 mg/g, which was much higher than that of conventional solvents (water, methanol, ethanol, 50% methanol, 50% ethanol). The target components were isolated efficiently from the TDES solution by an AB-8 macroporous resin column with a recovery rate of 95.6%. CONCLUSION This study demonstrated that TDESs possessed excellent physical and chemical properties and had enormous potential for active component extraction of traditional Chinese medicinal materials.
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Affiliation(s)
- Huiling Guo
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330006, P.R. China
| | - Chuanhua Feng
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330006, P.R. China
| | - Lvjiang Hu
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330006, P.R. China
| | - Xiaojuan Zhao
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330006, P.R. China
| | - Xiaolin Tang
- Jiangxi Provincial Children's Hospital, Nanchang, Jiangxi, 330002, P.R. China
| | - Yan Huang
- Jiangxi Provincial Children's Hospital, Nanchang, Jiangxi, 330002, P.R. China
| | - Jiangnan Luo
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330006, P.R. China
| | - Mengtian Xu
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330006, P.R. China
| | - Wei Xie
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi, 330006, P.R. China
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Neto RT, Santos SAO, Oliveira J, Silvestre AJD. Impact of Eutectic Solvents Utilization in the Microwave Assisted Extraction of Proanthocyanidins from Grape Pomace. Molecules 2021; 27:molecules27010246. [PMID: 35011475 PMCID: PMC8746617 DOI: 10.3390/molecules27010246] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/22/2021] [Accepted: 12/28/2021] [Indexed: 11/16/2022] Open
Abstract
The extraction of proanthocyanidins (PACs), despite being an important and limiting aspect of their industrial application, is still largely unexplored. Herein, the possibility of combining eutectic solvents (ESs) with microwave assisted extraction (MAE) in the extraction of PACs from grape pomace (GP) is explored, aiming to improve not only the extraction yield but also the mean degree of polymerization (mDP). The combination of choline chloride with lactic acid was shown to be the most effective combination for PACs extraction yield (135 mgPAC/gGP) and, despite the occurrence of some depolymerization, also enabled us to achieve the highest mDP (7.13). Additionally, the combination with MAE enabled the process to be completed in 3.56 min, resulting in a considerably reduced extraction time.
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Affiliation(s)
- Rodrigo T. Neto
- CICECO—Aveiro Institute of Materials, Department of Chemistry, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (R.T.N.); (S.A.O.S.)
| | - Sónia A. O. Santos
- CICECO—Aveiro Institute of Materials, Department of Chemistry, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (R.T.N.); (S.A.O.S.)
| | - Joana Oliveira
- REQUIMTE—Laboratório Associado para a Química Verde, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre, 687, 4169-007 Porto, Portugal;
| | - Armando J. D. Silvestre
- CICECO—Aveiro Institute of Materials, Department of Chemistry, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal; (R.T.N.); (S.A.O.S.)
- Correspondence: ; Tel.: +35-123-437-0711; Fax: +35-123-437-0084
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Luo S, Ren X, Shi X, Zhong K, Zhang Z, Wang Z. Study on enhanced extraction and seasonal variation of secondary metabolites in Eucommia ulmoides leaves using deep eutectic solvents. J Pharm Biomed Anal 2021; 209:114514. [PMID: 34896977 DOI: 10.1016/j.jpba.2021.114514] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 10/28/2021] [Accepted: 11/29/2021] [Indexed: 02/06/2023]
Abstract
It has been considered as a crucial field for the extraction of active ingredients from herbal medicine to use a green and efficient method in the medicinal and food industries. In recent years, deep eutectic solvents (DESs) have been obtaining increase attention in green chemistry area since its sustainability, safety and biodegradability. In this study, an efficient DES composed of choline chloride and L-(+)-ascorbic acid with a molar ratio of 2:1 performed higher efficacy on the extraction of target compounds (including iridoids, phenolic acids and flavonoids) in Eucommia ulmoides leaves than 50% methanol solution. Considering the extraction efficacy and time consumption, microwave-assisted extraction (MAE) was selected and the operational conditions, including power of microwave, liquid/solid ratio and irradiation time were optimized by response surface methodology (RSM). Water was used as anti-solvent to recover ten target analytes from DES with recovery yields of 97.59%, 94.91%, 96.09%, 90.66%, 95.16%, 87.33%, 86.57%, 82.15%, 89.28% and 80.75% for eucommiol (EU), aucubin (AU), geniposidic acid (GA), chlorogenic acid (CA), asperuloside (AP), rutin (RU), kaempferol-3-O-sambubioside (KS), isoquercitrin (IQ), kaempferol-3-O-rutinoside (KR) and astragaline (AS), respectively. By combining the DES-based MAE and quantitative analysis of multi-components by single mark (QAMS) methods, the contents of ten compounds in the leaves of Eucommia ulmoides were determined to clarify the relationship between the accumulation of secondary metabolites and the harvest period. It was found that the contents of main ingredients reached the highest during May to October. The period appears to be the best harvest period for Eucommia ulmoides leaves. This study provides a novel strategy for the harvesting, processing, and quality control of the raw materials from Eucommia ulmoides leaves.
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Affiliation(s)
- Shengbo Luo
- The MOE Key Laboratory for Standardization of Chinese Medicines and the Shanghai Key Laboratory for Compound Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201210, China
| | - Xiaomei Ren
- The MOE Key Laboratory for Standardization of Chinese Medicines and the Shanghai Key Laboratory for Compound Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201210, China
| | - Xiqing Shi
- The MOE Key Laboratory for Standardization of Chinese Medicines and the Shanghai Key Laboratory for Compound Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201210, China
| | - Kan Zhong
- The MOE Key Laboratory for Standardization of Chinese Medicines and the Shanghai Key Laboratory for Compound Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201210, China
| | - Zijia Zhang
- The MOE Key Laboratory for Standardization of Chinese Medicines and the Shanghai Key Laboratory for Compound Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201210, China.
| | - Zhengtao Wang
- The MOE Key Laboratory for Standardization of Chinese Medicines and the Shanghai Key Laboratory for Compound Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201210, China
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Dong JN, Wu GD, Dong ZQ, Yang D, Bo YK, An M, Zhao LS. Natural deep eutectic solvents as tailored and sustainable media for the extraction of five compounds from compound liquorice tablets and their comparison with conventional organic solvents. RSC Adv 2021; 11:37649-37660. [PMID: 35496443 PMCID: PMC9043790 DOI: 10.1039/d1ra06338c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 10/25/2021] [Indexed: 01/04/2023] Open
Abstract
An efficient and environmentally friendly ultrasound-assisted (UAE) natural deep eutectic solvent (NADES) extraction method was applied for the extraction of five bioactive compounds (liquiritin, isoliquiritin, liquiritigenin, glycyrrhizic acid and isoliquiritigenin) from compound liquorice tablets (CPLTs), and the antioxidant activities of these compounds were evaluated. In this study, eighteen different NADES systems based on either two or three components were tested and a 1,4-butanediol–levulinic acid system (1 : 3 molar ratio) was selected as a topgallant solvent for maximizing analyte extraction yields. Various extraction parameters, such as water content, liquid/solid ratio, extraction time and temperature, were systematically optimized by single-factor and response surface methodology (RSM) experiments. The results indicated that the optimum extraction conditions for the analytes featured a water content of 17%, a liquid/solid ratio of 42 mL g−1 and an extraction time of 30 min. The extracted amounts of liquiritin, isoliquiritin, liquiritigenin, glycyrrhizic acid and isoliquiritigenin reached 5.60, 3.17, 1.27, 74.62 and 1.34 mg g−1, respectively, under optimized conditions, which were much higher than those extracted using conventional organic solvents. In addition, antioxidant tests revealed that the NADES extracts showed higher DPPH and hydroxyl radical-scavenging capacity than the conventional solvent extracts used for comparison. This study provides a suitable approach for efficiently extracting the bioactive compounds of CPLTs. Meanwhile, NADESs can be extended to other natural products as green extraction media. A 1,4-butanediol–levulinic acid system was selected as a topgallant solvent and extraction parameters were optimized. NADES extracts exhibited higher extraction efficiency and in vitro antioxidant activities than conventional solvent extracts.![]()
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Affiliation(s)
- Jia-Ni Dong
- Baotou Medical College Baotou Inner Mongolia 014060 China +86 13847201181 +86 13514899325 +86 13474977691
| | - Guo-Dong Wu
- Baotou Medical College Baotou Inner Mongolia 014060 China +86 13847201181 +86 13514899325 +86 13474977691
| | - Zhi-Qiang Dong
- The First Affiliated Hospital of Baotou Medical College Baotou Inner Mongolia 014010 China
| | - Dan Yang
- Baotou Medical College Baotou Inner Mongolia 014060 China +86 13847201181 +86 13514899325 +86 13474977691
| | - Yu-Kun Bo
- Baotou Medical College Baotou Inner Mongolia 014060 China +86 13847201181 +86 13514899325 +86 13474977691
| | - Ming An
- Baotou Medical College Baotou Inner Mongolia 014060 China +86 13847201181 +86 13514899325 +86 13474977691
| | - Long-Shan Zhao
- Shenyang Pharmaceutical University Shenyang Liaoning Province 110016 China +86 24 43520571
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Deep Eutectic Solvents (DESs) as Green Extraction Media of Beneficial Bioactive Phytochemicals. SEPARATIONS 2021. [DOI: 10.3390/separations8100176] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Deep eutectic solvents (DES) are a mixture of two or more components and are classified as ionic solvents with special properties such as low volatility, high solubility, low melting points, low-cost materials and are less toxic to humans. Using DES has been suggested as an eco-friendly, green method for extraction of bioactive compounds from medicinal plants and are a safe alternative for nutritional, pharmaceutical and various sector applications. Conventional solvent extraction methods present drawbacks such as long extraction period, safety issues, harmful to the environment, costly and large volume of solvents required. The extraction method with DES leads to higher extraction yield and better bioactivity results as compared to the conventional solvents. This review provides a summary of research progress regarding the advantages of using DES to extract bioactive compounds such as phenolic acid, flavonoids, isoflavones, catechins, polysaccharides, curcuminoids, proanthocyanidin, phycocyanin, gingerols, ginsenosides, anthocyanin, xanthone, volatile monoterpenes, tannins, lignin, pectin, rutin, tert-butyl hydroquinone, chlorogenic acids, resveratrol and others, as opposed to using conventional solvents. The bioactivity of the extracts is determined using antioxidant, antibacterial and antitumor activities. Hence, DESs are considered potential green media with selective and efficient properties for extracting bioactive ingredients from medicinal plants.
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Barth SW, Lehner MD, Dietz GPH, Schulze H. Pharmacologic treatments in preclinical tinnitus models with special focus on Ginkgo biloba leaf extract EGb 761®. Mol Cell Neurosci 2021; 116:103669. [PMID: 34560255 DOI: 10.1016/j.mcn.2021.103669] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 08/26/2021] [Accepted: 09/17/2021] [Indexed: 02/09/2023] Open
Abstract
Tinnitus is defined as the perception of sound in the absence of external acoustic stimuli. Frequent comorbidities or associated factors are depression, anxiety, concentration problems, insomnia, resignation, helplessness, headache, bruxism, or social isolation, just to name a few. Although many therapeutic approaches have already been tested with varying success, there still is no cure available for tinnitus. The search for an effective treatment has been hampered by the fact that the mechanisms of tinnitus development are still not fully understood, although several models are available and discussed in this review. Our review will give a brief overview about preclinical models, presenting the heterogeneity of tinnitus sub-types depending on the different inner ear and brain structures involved in tinnitus etiology and pathogenesis. Based on these models we introduce the different target structures and transmitter systems implicated in tinnitus development and provide an extensive overview on preclinical drug-based therapeutic approaches that have been explored in various animal models. As the special extract from Ginkgo biloba leaves EGb 761® has been the most widely tested drug in both non-clinical tinnitus models as well as in clinical trials, a special focus will be given to EGb 761®. The efficacy of terpene lactones, flavone glycosides and proanthocyanidines with their distinct contribution to the overall efficacy profile of the multi-constituent drug EGb 761® will be discussed.
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Affiliation(s)
- Stephan W Barth
- Department of Global Medical Affairs, Dr. Willmar Schwabe GmbH & Co. KG, Karlsruhe, Germany.
| | - Martin D Lehner
- Department of Preclinical Research & Development, Dr. Willmar Schwabe GmbH & Co. KG, Karlsruhe, Germany.
| | - Gunnar P H Dietz
- Department of Global Medical Affairs, Dr. Willmar Schwabe GmbH & Co. KG, Karlsruhe, Germany.
| | - Holger Schulze
- Experimental Otolaryngology, ENT-Hospital, Head and Neck Surgery, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany.
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31
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Alsaud N, Shahbaz K, Farid M. Application of deep eutectic solvents in the extraction of polyphenolic antioxidants from New Zealand Manuka leaves (Leptospermum Scoparium): Optimization and antioxidant activity. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116385] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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32
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Lv JM, Gouda M, Zhu YY, Ye XQ, Chen JC. Ultrasound-Assisted Extraction Optimization of Proanthocyanidins from Kiwi ( Actinidia chinensis) Leaves and Evaluation of Its Antioxidant Activity. Antioxidants (Basel) 2021; 10:antiox10081317. [PMID: 34439565 PMCID: PMC8389255 DOI: 10.3390/antiox10081317] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 08/13/2021] [Accepted: 08/18/2021] [Indexed: 12/23/2022] Open
Abstract
Using ultrasound (US) in proanthocyanidin (PA) extraction has become one of the important emerging technologies. It could be the next generation for studying the US mechnophore impact on the bioactive compound’s functionality. The objective of this study was to demonstrate the potential of US treatment on PAs extracted from kiwifruit (Actinidia chinensis) leaves, and to provide a comprehensive chemical composition and bioactivity relationship of the purified kiwifruit leaves PAs (PKLPs). Several methods like single-factor experiments and response surface methodology (RSM) for the four affected factors on US extraction efficiency were constructed. HPLC-QTOF-MS/MS, cytotoxicity analysis, and antioxidant activity were also demonstrated. In the results, the modeling of PA affected factors showed that 40% US-amplitude, 30 mL/g dry weight (DW) solvent to solid ration (S/S), and 70 °C for 15 min were the optimum conditions for the extraction of PAs. Furthermore, PKLPs exhibited significant radical scavenging and cellular antioxidant activity (p < 0.05). In conclusion, this study’s novelty comes from the broad prospects of using US in PKLP green extraction that could play an important role in maximizing this phytochemical functionality in drug discovery and food science fields.
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Affiliation(s)
- Ji-Min Lv
- National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (J.-M.L.); (Y.-Y.Z.); (X.-Q.Y.)
| | - Mostafa Gouda
- National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (J.-M.L.); (Y.-Y.Z.); (X.-Q.Y.)
- Department of Nutrition & Food Science, National Research Centre, Dokki, Giza 12422, Egypt
- Correspondence: (M.G.); (J.-C.C.)
| | - Yan-Yun Zhu
- National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (J.-M.L.); (Y.-Y.Z.); (X.-Q.Y.)
| | - Xing-Qian Ye
- National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (J.-M.L.); (Y.-Y.Z.); (X.-Q.Y.)
| | - Jian-Chu Chen
- National-Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Zhejiang Engineering Laboratory of Food Technology and Equipment, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (J.-M.L.); (Y.-Y.Z.); (X.-Q.Y.)
- Correspondence: (M.G.); (J.-C.C.)
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33
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Li L, Zhang D, Wang Y, Liu F, Xu Y, Bao H. Effective Extraction of Palmatine and Berberine from Coptis chinensis by Deep Eutectic Solvents-Based Ultrasound-Assisted Extraction. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2021; 2021:9970338. [PMID: 34422435 PMCID: PMC8378955 DOI: 10.1155/2021/9970338] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 07/24/2021] [Accepted: 08/06/2021] [Indexed: 06/13/2023]
Abstract
The effective components of Coptis chinensis were extracted by ultrasound-assisted technology, and the contents of palmatine and berberine were used as indexes by using Coptis chinensis as raw material and eutectic solvent as extractant. In addition, the effects of hydrogen bond donor type, molar ratio of hydrogen bond donor to acceptor, material-liquid ratio, water content of eutectic solvent system, sonication time, power, and ultrasonic temperature on the extraction rate of palmatine and berberine were studied. The optimum extraction technology of palmatine and berberine from Coptis chinensis was determined by single-factor experiment and response surface optimization test. As a result, it showed that the eutectic solvent system was constructed with choline chloride as hydrogen bond acceptor and phenol as hydrogen bond donor, with a molar ratio of 1 : 3. In addition, water content of the eutectic solvent system was 30%, ratio of material to liquid was 30 g/mL, ultrasonic time was 30 min, ultrasonic power was 200 W, and ultrasonic temperature was 60°C. At this time, the contents of palmatine and berberine in Coptis chinensis were 16.7145 mg/g and 57.4013 mg/g, respectively, which were predicted to be the same as the value, and the extraction effect was better than that of traditional extraction solvent method.
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Affiliation(s)
- Lijing Li
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Dong Zhang
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Yuejie Wang
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Fangxin Liu
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Yang Xu
- College of Pharmacy, Baicheng Medical College, Baicheng 137000, China
| | - Huiwei Bao
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
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34
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Proanthocyanidins and Where to Find Them: A Meta-Analytic Approach to Investigate Their Chemistry, Biosynthesis, Distribution, and Effect on Human Health. Antioxidants (Basel) 2021; 10:antiox10081229. [PMID: 34439477 PMCID: PMC8389005 DOI: 10.3390/antiox10081229] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 12/22/2022] Open
Abstract
Proanthocyanidins (PACs) are a class of polyphenolic compounds that are attracting considerable interest in the nutraceutical field due to their potential health benefits. However, knowledge about the chemistry, biosynthesis, and distribution of PACs is limited. This review summarizes the main chemical characteristics and biosynthetic pathways and the main analytical methods aimed at their identification and quantification in raw plant matrices. Furthermore, meta-analytic approaches were used to identify the main plant sources in which PACs were contained and to investigate their potential effect on human health. In particular, a cluster analysis identified PACs in 35 different plant families and 60 different plant parts normally consumed in the human diet. On the other hand, a literature search, coupled with forest plot analyses, highlighted how PACs can be actively involved in both local and systemic effects. Finally, the potential mechanisms of action through which PACs may impact human health were investigated, focusing on their systemic hypoglycemic and lipid-lowering effects and their local anti-inflammatory actions on the intestinal epithelium. Overall, this review may be considered a complete report in which chemical, biosynthetic, ecological, and pharmacological aspects of PACs are discussed.
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35
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Zuo J, Geng S, Kong Y, Ma P, Fan Z, Zhang Y, Dong A. Current Progress in Natural Deep Eutectic Solvents for the Extraction of Active Components from Plants. Crit Rev Anal Chem 2021; 53:177-198. [PMID: 34324395 DOI: 10.1080/10408347.2021.1946659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
In the last decade, natural deep eutectic solvents (NADESs) have gained more and more attention due to their green, convenient preparation, low toxicity and biodegradability. It is widely used in various fields, especially in the extraction of active components from plants, formed by the combination of hydrogen bond donors (HBDs) and hydrogen bond acceptors (HBAs) at a certain condition. In this article, six preparation methods of NADESs were summarized and the interactions that occur in the eutectic behavior of NADES including hydrogen bonding, electrostatic interaction and van der Waals force were also reviewed. What is more, its significant extraction capacity on flavonoids, phenols, alkaloids and plant pigments endows its extensive applications in the extraction of active components from medicinal plants. Extraction factors including solvents properties (viscosity, carbon chain length, number of hydroxyl groups), extraction condition (water content, extraction temperature, extraction time, solid-liquid ratio), extraction method and recycling method were discussed. In addition, NADESs can also be combined with other technologies, like molecular imprinting, monolithic column, to achieve efficient and specific extraction of active ingredients. Further systematic studies on the biodegradability and biotoxicity are put forward to be urgent.
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Affiliation(s)
- Jiale Zuo
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Shuqin Geng
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Yangzhi Kong
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Peirong Ma
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Zhaosheng Fan
- Technology Center, Shanghai Tobacco Group Beijing Cigarette Factory Co.,Ltd, Tongzhou Dis, Beijing, China
| | - Yanling Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Alideertu Dong
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
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36
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Lanjekar KJ, Rathod VK. Application of Ultrasound and Natural Deep Eutectic Solvent for the Extraction of Glycyrrhizic Acid from Glycyrrhiza glabra: Optimization and Kinetic Evaluation. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c00862] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kavita J. Lanjekar
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga (E), Mumbai 400019, India
| | - Virendra K. Rathod
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga (E), Mumbai 400019, India
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37
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Li R, Xia Z, Li B, Tian Y, Zhang G, Li M, Dong J. Advances in Supercritical Carbon Dioxide Extraction of Bioactive Substances from Different Parts of Ginkgo biloba L. Molecules 2021; 26:molecules26134011. [PMID: 34209219 PMCID: PMC8271647 DOI: 10.3390/molecules26134011] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 06/23/2021] [Accepted: 06/26/2021] [Indexed: 11/16/2022] Open
Abstract
Ginkgo biloba L. has always been a popular area of research due to its various active ingredients and pharmacological effects. Ginkgo biloba is rich in ginkgo flavonoids, ginkgolides, and ginkgolic acid, with anti-inflammation, antioxidation, neuroprotection, anti-platelet agglutination, hypolipidemic effect, anti-cancer, and anti-radiation properties. There are many methods to extract and separate the active components of ginkgo. Among them, supercritical carbon dioxide fluid extraction (SFE-CO2) is known for its green, clean, and environment-friendly properties. In this paper, the pharmacological activities, the active components, and structures of different parts of ginkgo, the extraction methods of its effective ingredients, and the application of the SFE-CO2 method for the extraction and separation of active ingredients in Ginkgo biloba from leaves, seeds, pollen, and roots were reviewed, in order to make best use of ginkgo resources, and provide support and references for the development of SFE-CO2 of active components from Ginkgo biloba.
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Affiliation(s)
- Ruihong Li
- School of Pharmacy, Henan University, Kaifeng 475000, China;
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (Z.X.); (B.L.); (Y.T.); (G.Z.)
| | - Ziming Xia
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (Z.X.); (B.L.); (Y.T.); (G.Z.)
| | - Bin Li
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (Z.X.); (B.L.); (Y.T.); (G.Z.)
| | - Ying Tian
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (Z.X.); (B.L.); (Y.T.); (G.Z.)
| | - Guangjie Zhang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (Z.X.); (B.L.); (Y.T.); (G.Z.)
| | - Min Li
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (Z.X.); (B.L.); (Y.T.); (G.Z.)
- Correspondence: (M.L.); (J.D.); Tel.: +86-010-6693-2294 (M.L.); +86-010-6693-1314 (J.D.)
| | - Junxing Dong
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China; (Z.X.); (B.L.); (Y.T.); (G.Z.)
- Correspondence: (M.L.); (J.D.); Tel.: +86-010-6693-2294 (M.L.); +86-010-6693-1314 (J.D.)
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38
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Ling JKU, Chan YS, Nandong J. Degradation kinetics modeling of antioxidant compounds from the wastes of Mangifera pajang fruit in aqueous and choline chloride/ascorbic acid natural deep eutectic solvent. J FOOD ENG 2021. [DOI: 10.1016/j.jfoodeng.2020.110401] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Zhang W, Zou M, Wu R, Jiang H, Cao F, Su E. Efficient removal of ginkgotoxin from Ginkgo biloba seed powder by combining endogenous enzymatic hydrolysis with resin adsorption. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:1589-1597. [PMID: 32869870 DOI: 10.1002/jsfa.10778] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 05/21/2020] [Accepted: 08/24/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Ginkgotoxin including 4'-O-methylpyridoxine (MPN) and MPN-5'-glucoside (MPNG) is responsible for Ginkgo seed food poisoning. The purpose of the work reported was to prepare detoxified Ginkgo seed powder and at the same time to retain the nutritional and functional components of Ginkgo seed powder to the maximum extent. RESULTS Resin adsorption technology was firstly employed to remove ginkgotoxin from water extract of Ginkgo seed powder. Under optimal conditions, the adsorption efficiency of the optimal resin for MPN could reach 100%, and that for MPNG could only reach 85.4 ± 0.93%. Resin adsorption alone could not effectively remove MPN and MPNG simultaneously. Endogenous enzymatic hydrolysis was next attempted to transform MPNG to MPN. MPNG could be completely hydrolyzed to MPN by endogenous enzyme(s) at 40 °C and pH 5.0 in 180 min. Ginkgotoxin only in the form of MPN in the enzymatic hydrolysate was then adsorbed with resin and the conditions were statistically optimized. The adsorption efficiency of MPN reached 98.89 ± 0.99% under the optimized conditions. CONCLUSIONS Removal of ginkgotoxin by combining endogenous enzymatic hydrolysis with resin adsorption could preserve the main nutritional and functional components of Ginkgo seed powder to the most extent, and did not change its main characteristics. The ginkgotoxin removal method developed in this work is a relatively simple and efficient approach. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Wen Zhang
- Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, China
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
| | - Minmin Zou
- Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, China
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
| | - Rong Wu
- Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, China
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
| | - Huijuan Jiang
- Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, China
| | - Fuliang Cao
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
| | - Erzheng Su
- Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, China
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing, China
- Co-Innovation Center for Efficient Processing and Utilization of Forest Products, Nanjing Forestry University, Nanjing, China
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Lanjekar KJ, Rathod VK. Green extraction of Glycyrrhizic acid from Glycyrrhiza glabra using choline chloride based natural deep eutectic solvents (NADESs). Process Biochem 2021. [DOI: 10.1016/j.procbio.2020.11.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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41
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Fan XH, Wang LT, Chang YH, An JY, Zhu YW, Yang Q, Meng D, Fu YJ. Application of green and recyclable menthol-based hydrophobic deep eutectic solvents aqueous for the extraction of main taxanes from Taxus chinensis needles. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114970] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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42
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Yu L, Cao L, Chang YH, Duan CJ, Liu C, Zhao XL, Yue GL, Wang XQ, Fu YJ. Enhanced extraction performance of iridoids, phenolic acids from Eucommia ulmoides leaves by tailor-made ternary deep eutectic solvent. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105788] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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43
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Ali Redha A. Review on Extraction of Phenolic Compounds from Natural Sources Using Green Deep Eutectic Solvents. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:878-912. [PMID: 33448847 DOI: 10.1021/acs.jafc.0c06641] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
For more sustainable and environmentally friendly scientific research, it is essential to apply green chemistry principles in all areas of science. A possible area in which green chemistry principles can significantly influence the productivity and the quality of the outcome is extraction of natural products. The conventional toxic solvents can be replaced by environmentally friendly solvents known as deep eutectic solvents, which fortunately, due to their unique properties, can significantly improve extraction efficiency. In this literature review, the extraction of a specific class of natural products, phenolic compounds, using different types of green deep eutectic solvents has been reviewed. Within this review, the composition of those solvents used to extract different types of phenolic compounds has been discussed. In addition, the factors affecting their extraction, extracting solvent component structure, molar ratio of extracting solvent components, extraction temperature, solid to extraction solvent ratio, and water content, have been evaluated.
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Affiliation(s)
- Ali Ali Redha
- Chemistry Department, School of Science, Loughborough University, Loughborough LE11 3TU, United Kingdom
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Yue X, Xu F, Lv P, Yang H, Bao H, Xu Y. Analysis of Antioxidant Capacity of Chromones in Saposhnikoviae Radix Obtained by Ultrasonic-Assisted Deep Eutectic Solvents Extraction. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2020; 2020:8875788. [PMID: 33489418 PMCID: PMC7803113 DOI: 10.1155/2020/8875788] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/07/2020] [Accepted: 11/30/2020] [Indexed: 06/12/2023]
Abstract
In this paper, ultrasonic-assisted deep eutectic solvent (DES) extraction was applied to the acquisition of chromones (cimicifugin, prim-o-glucosylcimifugin, and 5-o-methylvisamminoside) from Saposhnikoviae radix (SR). The extraction effects of 11 prepared DESs were screened taking contents of chromones as indexes. Furthermore, the optimum extraction conditions were confirmed using a single-factor test and response surface optimization test. Scavenging activities of DPPH anion and ABTS cation radicals of different SR extracts (DES, methanol, and ethanol) were studied. The analysis results of best extraction conditions optimized by Design-Expert software were as follows: extraction time (40 min), extraction temperature (60°C), and the solid/liquid ratio (32 mL/g). Scavenging rates of the DES extract for DPPH anion radical and ABTS cation radical were found to be 75.31% and 65.71%, which were higher than those of methanol and ethanol extracts. In conclusion, the developed extraction method can be regarded as a safe, green, and more effective approach for the extraction of chromones in SR.
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Affiliation(s)
- Xianwen Yue
- College of Pharmacy, Baicheng Medical College, Baicheng 137000, China
| | - Fangfei Xu
- Plant Chemistry Laboratory, Chinese Institute of Jilin Ginseng, Changchun 130033, China
| | - Peng Lv
- College of Pharmacy, Baicheng Medical College, Baicheng 137000, China
| | - Huailei Yang
- Pharmaceutical Department, The Second Hospital of Jilin University, Changchun 130000, China
| | - Huiwei Bao
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Yang Xu
- College of Pharmacy, Baicheng Medical College, Baicheng 137000, China
- School of Basic Medical Sciences, Jilin University, Changchun 130021, China
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Tuning of Proanthocyanidin Extract's Composition through Quaternary Eutectic Solvents Extraction. Antioxidants (Basel) 2020; 9:antiox9111124. [PMID: 33202853 PMCID: PMC7697489 DOI: 10.3390/antiox9111124] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/07/2020] [Accepted: 11/09/2020] [Indexed: 01/26/2023] Open
Abstract
Currently available proanthocyanidins extraction methods rely on dedicated crops and have low specificity and yield which limits their industrial application. Consequently, the development of novel methodologies and the use of sustainable sources is of great importance. Eutectic solvents have been proposed has good alternatives for conventional solvents due to their low price, easiness of preparation, biocompatibility and ability of being custom made to a specific application. Herein the effective extraction of proanthocyanidins from grape pomace and the possibility of tuning the extract's characteristics such as mean degree of polymerization and galloylation percentage is explored by means of varying the composition of a quaternary eutectic solvent composed by choline chloride, glycerol, ethanol and water. It was found that mean degree of polymerization values can vary from 6.0 to 7.37 and galloylation percentage can vary from 32.5% to 47.1% while maintaining extraction yield above 72.2 mg of proanthocyanidins per g of biomass. Furthermore, the increase of temperature up to 100 °C has showed a significant effect on the extraction yield being possible to increase it by 238% when compared to the conventional extraction method.
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Ivanović M, Islamčević Razboršek M, Kolar M. Innovative Extraction Techniques Using Deep Eutectic Solvents and Analytical Methods for the Isolation and Characterization of Natural Bioactive Compounds from Plant Material. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1428. [PMID: 33114332 PMCID: PMC7690858 DOI: 10.3390/plants9111428] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/19/2020] [Accepted: 10/22/2020] [Indexed: 12/20/2022]
Abstract
The growing interest of the food, pharmaceutical and cosmetics industries in naturally occurring bioactive compounds or secondary plant metabolites also leads to a growing demand for the development of new and more effective analysis and isolation techniques. The extraction of bioactive compounds from plant material has always been a challenge, accompanied by increasingly strict control requirements for the final products and a growing interest in environmental protection. However, great efforts have been made in this direction and today a considerable number of innovative extraction techniques have been developed using green, environmentally friendly solvents. These solvents include the deep eutectic solvents (DES) and their natural equivalents, the natural deep eutectic solvents (NADES). Due to their adjustable physical-chemical properties and their green character, it is expected that DES/NADES could be the most widely used solvents in the future, not only in extraction processes but also in other research areas such as catalysis, electrochemistry or organic synthesis. Consequently, this review provided an up-to-date systematic overview of the use of DES/NADES in combination with innovative extraction techniques for the isolation of bioactive compounds from various plant materials. The topicality of the field was confirmed by a detailed search on the platform WoS (Web of Science), which resulted in more than 100 original research papers on DES/NADES for bioactive compounds in the last three years. Besides the isolation of bioactive compounds from plants, different analytical methods are presented and discussed.
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Affiliation(s)
- Milena Ivanović
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia;
| | - Maša Islamčević Razboršek
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia;
| | - Mitja Kolar
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna Pot 113, SI-1000 Ljubljana, Slovenia
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Şahin S, Kurtulbaş E, Bilgin M. Special designed deep eutectic solvents for the recovery of high added-value products from olive leaf: a sustainable environment for bioactive materials. Prep Biochem Biotechnol 2020; 51:422-429. [PMID: 33000995 DOI: 10.1080/10826068.2020.1824162] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Deep Eutectic Solvents have been specially designed, and used for the extraction of phenolics from olive tree (Olea europea) leaves. 11 deep eutectic solvents containing a hydrogen bond donor (glycerol, ethylene glycol, lactic acid, urea, dimethyl urea and D-sorbitol) and a hydrogen bond acceptor (L-proline, citric acid, glycerol, ethylimidazole and methylimidazole) with several molar ratios have been designed. Addition of water into the solvent system increased the extraction efficiency by a remarkable difference (45%). After the best combination has been decided to extract the primary phenolic (oleuropein), operation conditions (water content in the deep eutectic solvent, speed of the homogenizer and time for the extraction) of the homogenizer-aided extraction (HAEX) for olive leaf extract has been optimized through Box-Behnken design of Response Surface Approach. The experimental yields of oleuropein, verbascoside and rutin were 15.50, 5.51 and 0.98 mg per gram dried leaf under the optimal conditions (48.9% of water in DES for 60 sec at 13310 rpm). Our best DES (citric acid/lactic acid) has yielded the most efficient extract rich in oleuropein, even with an ≈8% higher performance than that of a most commonly used solvent (75% ethanol).
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Affiliation(s)
- Selin Şahin
- Chemical Engineering Department, Istanbul University - Cerrahpaşa, İstanbul, Turkey
| | - Ebru Kurtulbaş
- Chemical Engineering Department, Istanbul University - Cerrahpaşa, İstanbul, Turkey
| | - Mehmet Bilgin
- Chemical Engineering Department, Istanbul University - Cerrahpaşa, İstanbul, Turkey
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Ahn AV, dos Santos JHZ. Quantitative GC-FID and UHPLC-DAD Evaluation of Bioactive Compounds Extracted from Ginkgo biloba. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411015666191010124224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
The official compendium of the quantification of ginkgo flavonoids from
Ginkgo biloba extract has been proposed using HPLC. The drawbacks of this technique appear to be
due to the restricted efficiency in terms of the recovery results and suitability of the system for the
quantification of these compounds. This study investigated the potential advantages and limitations
of the development of efficient extraction methods for the recovery of flavonol glycosides (quercetin,
kaempferol and isorhamnetin) and terpene trilactones (bilobalide, ginkgolide A, ginkgolide B and
ginkgolide C) using extraction, quantification and detection techniques, namely, GC-FID and
UHPLC-DAD, which are alternatives to those techniques available in the literature.
Methods:
Two different extraction methodologies have been developed for the determination of flavonoids
(quercetin, kaempferol and isorhamnetin) and terpene trilactones (bilobalide, ginkgolide A,
ginkgolide B and ginkgolide C) using ultra-high-pressure liquid chromatography coupled to a diode
array detector and gas chromatography coupled to a flame ionization detector.
Results:
In this study, the Ginkgo biloba extract mass, hydrolysis preparation method (with or without
reflux), and volume of the extraction solution seemed to affect the ginkgo flavonoid recovery.
The UHPLC-based method exhibited higher extraction efficiency for ginkgo flavonoid quantification
compared to the pharmacopoeial method. The developed method exhibited higher extraction efficiency
for terpene quantification compared to the previous method that used extractive solution without
pH adjustment, with less time of extraction and less amount of the sample and organic solvent
aliquots.
Conclusion:
The UHPLC and GC analysis methods established in this study are both effective and
efficient. These methods may improve the quality control procedures for ginkgo extract and commercial
products available in today´s natural health product market. The results indicate that redeveloped
extraction methods can be a viable alternative to traditional extraction methods.
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Affiliation(s)
- Alessandra von Ahn
- Instituto de Quimica, Universidade Federal do Rio Grande do Sul, Av. Bento Goncalves, 9500, Porto Alegre, CEP 91500-000, Brazil
| | - João Henrique Z. dos Santos
- Instituto de Quimica, Universidade Federal do Rio Grande do Sul, Av. Bento Goncalves, 9500, Porto Alegre, CEP 91500-000, Brazil
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Zeng YX, Wang S, Wei L, Cui YY, Chen YH. Proanthocyanidins: Components, Pharmacokinetics and Biomedical Properties. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2020; 48:813-869. [PMID: 32536248 DOI: 10.1142/s0192415x2050041x] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Proanthocyanidins (PAs) are a group of polyphenols enriched in plant and human food. In recent decades, epidemiological studies have upheld the direct relationship between PA consumption and health benefits; therefore, studies on PAs have become a research hotspot. Although the oral bioavailability of PAs is quite low, pharmacokinetics data revealed that some small molecules and colonic microbial metabolites of PAs could be absorbed and exert their health beneficial effects. The pharmacological effects of PAs mainly include anti-oxidant, anticancer, anti-inflammation, antimicrobial, cardiovascular protection, neuroprotection, and metabolism-regulation behaviors. Moreover, current toxicological studies show that PAs have no observable toxicity to humans. This review summarizes the resources, extraction, structures, pharmacokinetics, pharmacology, and toxicology of PAs and discusses the limitations of current studies. Areas for further research are also proposed.
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Affiliation(s)
- Yan-Xi Zeng
- Department of Cell Biology, Tongji University School of Medicine, Shanghai 200092, P. R. China
| | - Sen Wang
- Department of Cell Biology, Tongji University School of Medicine, Shanghai 200092, P. R. China
| | - Lu Wei
- Department of Cell Biology, Tongji University School of Medicine, Shanghai 200092, P. R. China
| | - Ying-Yu Cui
- Key Laboratory of Arrhythmias, Ministry of Education (Tongji University), Shanghai 200120, P. R. China.,Heart Health Centre, Tongji University School of Medicine, Shanghai 200120, P. R. China.,Institute of Medical Genetics, Tongji University School of Medicine, Shanghai 200092, P. R. China.,Department of Cell Biology, Tongji University School of Medicine, Shanghai 200092, P. R. China
| | - Yi-Han Chen
- Key Laboratory of Arrhythmias, Ministry of Education (Tongji University), Shanghai 200120, P. R. China.,Heart Health Centre, Tongji University School of Medicine, Shanghai 200120, P. R. China.,Department of Cardiology, East Hospital, Tongji University School of Medicine, Shanghai 200120, P. R. China.,Institute of Medical Genetics, Tongji University School of Medicine, Shanghai 200092, P. R. China.,Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai 200092, P. R. China
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Phytomass Valorization by Deep Eutectic Solvents—Achievements, Perspectives, and Limitations. CRYSTALS 2020. [DOI: 10.3390/cryst10090800] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In recent years, a plethora of extraction processes have been performed by a novel class of green solvents known as deep eutectic solvents (DESs), possessing several environmental, operational, and economic advantages proven by experience when compared to organic solvents and ionic liquids. The present review provides an organized overview of the use of DESs as extraction agents for the recovery of valuable substances and compounds from the original plant biomass, waste from its processing, and waste from the production and consumption of plant-based food. For the sake of simplicity and speed of orientation, the data are, as far as possible, arranged in a table in alphabetical order of the extracted substances. However, in some cases, the isolation of several substances is described in one paper and they are, therefore, listed together. The table further contains a description of the extracted phytomass, DES composition, extraction conditions, and literature sources. With regard to extracted value-added substances, this review addresses their pharmacological, therapeutic, and nutritional aspects. The review also includes an evaluation of the possibilities and limitations of using DESs to obtain value-added substances from phytomass.
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