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Gao Y, Fan M, Cheng X, Liu X, Yang H, Ma W, Guo M, Li L. Deep eutectic solvent: Synthesis, classification, properties and application in macromolecular substances. Int J Biol Macromol 2024; 278:134593. [PMID: 39127290 DOI: 10.1016/j.ijbiomac.2024.134593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 07/27/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024]
Abstract
Deep eutectic solvent (DES) is a kind of solvent prepared by mixing hydrogen bond donors and hydrogen bond acceptors, and have become a hot topic in ecological civilization construction due to its low toxicity and sustainability. Its excellent properties such as low volatility, thermal stability and biodegradability make it stand out among many organic solvents and widely used in fields including medicine, chemical industry and agriculture, with broad development prospects. In recent years, the application of DES in the food field has mostly focused on the extraction of small molecular substances, and there are few summaries on the application of DES in macromolecular substances. In this review, we introduced the synthesis, classification and properties of DES, and summarized the application of DES in the food industry for macromolecular substances, including the extraction of macromolecular substances such as chitosan and pectin, as well as the preparation of related macromolecular substrate films. At the same time, we analyzed the characteristics of DES and its advantages and limitations in application, and provided prospects for future development.
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Affiliation(s)
- Yuying Gao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Engineering Research Center of Food Thermal-Processing Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Min Fan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Engineering Research Center of Food Thermal-Processing Technology, Shanghai Ocean University, Shanghai 201306, China.
| | - Xiaoxiao Cheng
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Engineering Research Center of Food Thermal-Processing Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Xiaofang Liu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Engineering Research Center of Food Thermal-Processing Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Hui Yang
- Xin Yang Vocational and Technical College, Xinyang 464000, China
| | - Wenya Ma
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Engineering Research Center of Food Thermal-Processing Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Min Guo
- COFCO Nutrition and Health Research Institute, Beijing 102209, China
| | - Li Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Engineering Research Center of Food Thermal-Processing Technology, Shanghai Ocean University, Shanghai 201306, China.
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2
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Rolińska K, Jakubowska E, Żmieńko M, Łęczycka-Wilk K. Choline chloride-based deep eutectic solvents as plasticizer and active agent in chitosan films. Food Chem 2024; 444:138375. [PMID: 38402735 DOI: 10.1016/j.foodchem.2024.138375] [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: 03/03/2023] [Revised: 12/07/2023] [Accepted: 01/04/2024] [Indexed: 02/27/2024]
Abstract
The growing concern over extending the shelf life of food products, coupled with the escalating environmental impact of synthetic plastic waste, has fuelled a quest for bio-based alternatives in packaging research. In response to this pressing need, our study delves into the synthesis of chitosan-based films incorporating a deep eutectic solvents (DES). Choline chloride and diverse hydrogen bond donors were used as plasticizers, we also explored the active properties of DES integrated into the chitosan (Ch) matrix. The Ch-based films with chlorine chloride: citric acid can prevent the mold spotting up to 29 days longer in comparison to bread wrapped in polyethylene films (PE). The obtained Ch/DES films exhibited mechanical properties comparable to conventional PE (e.g., up to tensile strength of 26 MPa and up to 210% in case of elongation at break). This synthesis approach represents a significant stride towards environmentally friendly packaging materials, aligning with the principles of green chemistry.
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Affiliation(s)
- Karolina Rolińska
- Łukasiewicz Research Network - Industrial Chemistry Institute, 8 Rydygiera Street, 01-793 Warsaw, Poland.
| | - Ewelina Jakubowska
- Łukasiewicz Research Network - Industrial Chemistry Institute, 8 Rydygiera Street, 01-793 Warsaw, Poland
| | - Małgorzata Żmieńko
- Łukasiewicz Research Network - Industrial Chemistry Institute, 8 Rydygiera Street, 01-793 Warsaw, Poland
| | - Katarzyna Łęczycka-Wilk
- Łukasiewicz Research Network - Industrial Chemistry Institute, 8 Rydygiera Street, 01-793 Warsaw, Poland
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3
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Wan H, Zhu Z, Sun DW. Deep eutectic solvents (DESs) films based on gelatin as active packaging for moisture regulation in fruit preservation. Food Chem 2024; 439:138114. [PMID: 38100877 DOI: 10.1016/j.foodchem.2023.138114] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 11/20/2023] [Accepted: 11/27/2023] [Indexed: 12/17/2023]
Abstract
To develop a novel active packaging for fruit preservation, two different deep eutectic solvents (DESs) comprising choline chloride, betaine and glycerol [ChCl:Gly (1:2) and Be:Gly (1:2)] were prepared and the corresponding DESs-based films (DES@Gel) using gelatin as polymer matrix were fabricated. DES@Gel showed smoother morphologies and better optical and mechanical properties as compared with Gel. Moisture sorption isotherm curves, the enhancement of water vapour permeability (WVP) and the excellent moisture absorption-desorption cyclist performance illustrated the moisture regulation hypothesis mechanism of DES@Gel. Furthermore, cherry tomato preservation experiment was carried out and the groups treated with DES@Gel showed better performances. The moisture regulation property of DES@Gel could broaden new avenues for active packaging.
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Affiliation(s)
- Hongchen Wan
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Zhiwei Zhu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Da-Wen Sun
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Center, Guangzhou 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China; Food Refrigeration and Computerized Food Technology (FRCFT), Agriculture and Food Science Centre, University College Dublin, National University of Ireland, Belfield, Dublin 4, Ireland.
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4
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Li H, Liu M, Ju X, Zhang H, Xia N, Wang J, Wang Z, Rayan AM. Physico-Chemical Characteristics of pH-Driven Active Film Loading with Curcumin Based on the Egg White Protein and Sodium Alginate Matrices. Foods 2024; 13:1340. [PMID: 38731711 PMCID: PMC11083475 DOI: 10.3390/foods13091340] [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: 03/25/2024] [Revised: 04/24/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
The low solubility and stability of fat-soluble curcumin in water limit its application in active packaging. This study explored the use of a pH-driven method to investigate the preparation and enhancement of the performance of films loaded with curcumin in a matrix of sodium alginate (Alg) and egg white protein (EWP). In this study, the EWP, Alg, and curcumin primarily bind through hydrogen bonding, electrostatic interactions, and hydrophobic interactions. Compared to EWP films, the films loaded with curcumin through the pH-driven method exhibited enhanced extensibility and water resistance, with an elongation at break (EB) of 103.56 ± 3.13% and a water vapor permeability (WVP) of 1.67 ± 0.03 × 10-10 g·m/m2·Pa·s. The addition of Alg improved the encapsulation efficiency and thermal stability of curcumin, thereby enhancing the antioxidant activity of the film through the addition of 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radicals, which resulted in 106.95 ± 2.61 μg TE/g and 144.44 ± 8.89 μg TE/g, respectively. It is noteworthy that the detrimental effect of Alg on the color responsiveness of films containing curcumin has also been observed. This study provides a potential strategy and consideration for the loading of low water-soluble active substances and the preparation of active packaging.
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Affiliation(s)
- Hanyu Li
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (H.L.); (N.X.)
| | - Mengzhuo Liu
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (H.L.); (N.X.)
| | - Xinyi Ju
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (H.L.); (N.X.)
| | - Huajiang Zhang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (H.L.); (N.X.)
| | - Ning Xia
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (H.L.); (N.X.)
| | - Jing Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (H.L.); (N.X.)
| | - Zhongjiang Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China; (H.L.); (N.X.)
| | - Ahmed M. Rayan
- Agricultural College, Suez Canal University, Ismailia 41522, Egypt;
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Zhu Y, Li H, Zhao QS, Zhao B. Effect of DES lignin incorporation on physicochemical, antioxidant and antimicrobial properties of carboxymethyl cellulose-based films. Int J Biol Macromol 2024; 263:130294. [PMID: 38382790 DOI: 10.1016/j.ijbiomac.2024.130294] [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: 11/11/2023] [Revised: 02/15/2024] [Accepted: 02/17/2024] [Indexed: 02/23/2024]
Abstract
Herein, three pretreated grapevine lignins were incorporated into carboxymethyl cellulose films. The effects of traditional NaOH pretreated lignin and DES (ChCl-LA, ChCl-LA & K2CO3-EG) pretreated lignin on film properties were compared. Modern analytical techniques were employed to systematically characterize the pretreated lignin and the different CMC-lignin films. The results showed that DES lignin was of high purity, low molecular weight, and homogeneous structure. It outperformed traditional NaOH lignin in terms of compatibility with CMC, enabling it to perform its bioactivity and physicochemical functions in films. This feature effectively enhanced the hydrophobicity, UV shielding ability, water vapor barrier, thermal stability, mechanical properties, and biological activity of CMC-DES lignin film. NMR (2D HSQC) showed that the excellent antioxidant and antibacterial capabilities of CMC-DES lignin film are due to the retention of butyl (S) and p-hydroxyphenyl (H) units in DES lignin, resulting in its rich phenolic hydroxyl content. The detailed structural elucidation of DES lignin's chemical interactions with CMC provided valuable insights into the advantageous properties observed in the films, presenting innovative solutions for applications in the food packaging and preservation industries.
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Affiliation(s)
- Yuan Zhu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China; Key Laboratory of Biopharmaceutical Preparation and Delivery, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Hang Li
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China; Key Laboratory of Biopharmaceutical Preparation and Delivery, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Qing-Sheng Zhao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China; Key Laboratory of Biopharmaceutical Preparation and Delivery, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
| | - Bing Zhao
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, PR China; Key Laboratory of Biopharmaceutical Preparation and Delivery, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
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Campanella B, Simoncini M, Passaglia E, Cicogna F, Ciancaleoni G, González-Rivera J, Bernazzani L, Bramanti E. Ecofriendly Preparation of Rosmarinic Acid-poly(vinyl alcohol) Biofilms Using NADES/DES, Ultrasounds and Optimization via a Mixture-Process Design Strategy. MATERIALS (BASEL, SWITZERLAND) 2024; 17:377. [PMID: 38255545 PMCID: PMC10820272 DOI: 10.3390/ma17020377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 01/03/2024] [Accepted: 01/05/2024] [Indexed: 01/24/2024]
Abstract
Green chemistry emphasizes the isolation of biologically active compounds from plants and biomass to produce renewable, bio-based products and materials through sustainability and circularity-driven innovation processes. In this work, we have investigated the extraction of rosmarinic acid (RA), a phenolic acid with several biological properties, from aromatic herbs using ultrasounds and low environmental risk natural deep eutectic solvents (NADES). Various solvent mixtures have been investigated, and the parameters influencing the process have been studied by a mixture-process experimental design to identify the optimal RA extraction conditions. The extraction yield has been calculated by HPLC-diode array analysis. The lactic acid:ethylene glycol mixture using an ultrasound-assisted process has been found to be the most versatile solvent system, giving RA yields 127-160% higher than hydroalcoholic extraction (70% ethanol). The deep eutectic solvent nature of lactic acid:ethylene glycol has been demonstrated for the first time by multi-technique characterization (1H-NMR and 13C-NMR, DSC, and W absorption properties). The aqueous raw extract has been directly incorporated into poly(vinyl alcohol) to obtain films with potential antibacterial properties for applications in the field of food and pharmaceutical packaging.
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Affiliation(s)
- Beatrice Campanella
- National Research Council, Institute for the Chemistry of Organometallic Compounds, Via Giuseppe Moruzzi 1, 56124 Pisa, Italy; (B.C.); (M.S.); (E.P.); (F.C.)
| | - Mattia Simoncini
- National Research Council, Institute for the Chemistry of Organometallic Compounds, Via Giuseppe Moruzzi 1, 56124 Pisa, Italy; (B.C.); (M.S.); (E.P.); (F.C.)
| | - Elisa Passaglia
- National Research Council, Institute for the Chemistry of Organometallic Compounds, Via Giuseppe Moruzzi 1, 56124 Pisa, Italy; (B.C.); (M.S.); (E.P.); (F.C.)
| | - Francesca Cicogna
- National Research Council, Institute for the Chemistry of Organometallic Compounds, Via Giuseppe Moruzzi 1, 56124 Pisa, Italy; (B.C.); (M.S.); (E.P.); (F.C.)
| | - Gianluca Ciancaleoni
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy; (G.C.); (J.G.-R.); (L.B.)
| | - José González-Rivera
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy; (G.C.); (J.G.-R.); (L.B.)
- National Research Council, National Institute of Optics, Via Giuseppe Moruzzi 1, 56124 Pisa, Italy
| | - Luca Bernazzani
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, 56124 Pisa, Italy; (G.C.); (J.G.-R.); (L.B.)
| | - Emilia Bramanti
- National Research Council, Institute for the Chemistry of Organometallic Compounds, Via Giuseppe Moruzzi 1, 56124 Pisa, Italy; (B.C.); (M.S.); (E.P.); (F.C.)
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Krainara S, Mistry AN, Malee C, Chavananikul C, Pinyakong O, Assavalapsakul W, Jitpraphai SM, Kachenchart B, Luepromchai E. Development of a plastic waste treatment process by combining deep eutectic solvent (DES) pretreatment and bioaugmentation with a plastic-degrading bacterial consortium. JOURNAL OF HAZARDOUS MATERIALS 2023; 460:132507. [PMID: 37699265 DOI: 10.1016/j.jhazmat.2023.132507] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/29/2023] [Accepted: 09/06/2023] [Indexed: 09/14/2023]
Abstract
Polyethylene terephthalate (PET), a petroleum-based plastic, and polylactic acid (PLA), a biobased plastic, have a similar visual appearance thus they usually end up in municipal waste treatment facilities. The objective of this project was to develop an effective PET and PLA waste treatment process that involves pretreatment with deep eutectic solvent (DES) followed by biodegradation with a plastic-degrading bacterial consortium in a composting system. The DES used was a mixture of choline chloride and glycerol, while the bacterial strains (Chitinophaga jiangningensis EA02, Nocardioides zeae EA12, Stenotrophomonas pavanii EA33, Gordonia desulfuricans EA63, Achromobacter xylosoxidans A9 and Mycolicibacterium parafortuitum J101) used to prepare the bacterial consortium were selected based on their ability to biodegrade PET, PLA, and plasticizer. The plastic samples (a PET bottle, PLA cup, and PLA film) were pretreated with DES through a dip-coating method. The DES-coated plastic samples exhibited higher surface wettability and biofilm formation, indicating that DES increases the hydrophilicity of the plastic and facilitates bacterial attachment to the plastic surface. The combined action of DES pretreatment and bioaugmentation with a plastic-degrading bacterial consortium led to improved degradation of PET and PLA samples in various environments, including aqueous media at ambient temperature, lab-scale traditional composting, and pilot-scale composting.
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Affiliation(s)
- Saowaluk Krainara
- Department of Environmental Health and Technology, School of Public Health, Walailak University, Nakhon Si Thammarat, Thailand; Excellent Center for Dengue and Community Public Health (EC for DACH), Walailak University, Nakhon Si Thammarat, Thailand; Center of Excellence in Microbial Technology for Marine Pollution Treatment (MiTMaPT), Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Avnish Nitin Mistry
- Center of Excellence in Microbial Technology for Marine Pollution Treatment (MiTMaPT), Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand; Center of Excellence on Hazardous Substance Management (HSM), Chulalongkorn University, Bangkok, Thailand
| | - Chawanan Malee
- Faculty of Environment and Resource Studies, Mahidol University, Nakhon Pathom, Thailand
| | - Chutima Chavananikul
- International Program in Hazardous Substance and Environmental Management (IP-HSM), Graduate School, Chulalongkorn University, Bangkok, Thailand
| | - Onruthai Pinyakong
- Center of Excellence in Microbial Technology for Marine Pollution Treatment (MiTMaPT), Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand; Center of Excellence on Hazardous Substance Management (HSM), Chulalongkorn University, Bangkok, Thailand
| | - Wanchai Assavalapsakul
- Center of Excellence in Microbial Technology for Marine Pollution Treatment (MiTMaPT), Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Somrudee Meprasert Jitpraphai
- Center of Excellence in Microbial Technology for Marine Pollution Treatment (MiTMaPT), Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand; Department of Marine Sciences, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Boonlue Kachenchart
- Faculty of Environment and Resource Studies, Mahidol University, Nakhon Pathom, Thailand
| | - Ekawan Luepromchai
- Center of Excellence in Microbial Technology for Marine Pollution Treatment (MiTMaPT), Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand; Center of Excellence on Hazardous Substance Management (HSM), Chulalongkorn University, Bangkok, Thailand.
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Madian NG, El-Ashmanty BA, Abdel-Rahim HK. Improvement of Chitosan Films Properties by Blending with Cellulose, Honey and Curcumin. Polymers (Basel) 2023; 15:2587. [PMID: 37376233 DOI: 10.3390/polym15122587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/25/2023] [Accepted: 05/27/2023] [Indexed: 06/29/2023] Open
Abstract
Chitosan is a natural biopolymer that can be used in biomedical applications, tissue engineering, and wound dressing because of its biodegradability, biocompatibility, and antibacterial activity. The blending of chitosan films with natural biomaterials such as cellulose, honey, and curcumin was studied at different concentrations in order to improve their physical properties. Fourier transform infrared (FTIR) spectroscopy, mechanical tensile properties, X-ray diffraction (XRD), antibacterial effects, and scanning electron microscopy (SEM) were studied for all blended films. The XRD, FTIR, and mechanical results showed that films blended with curcumin were more rigid and compatible and had higher antibacterial effects than other blended films. In addition, XRD and SEM showed that blending chitosan films with curcumin decreases the crystallinity of the chitosan matrix compared to cellulose and honey blending films due to increased intermolecular hydrogen bonding, which reduces the close packing of the CS matrix.
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Affiliation(s)
- Noha G Madian
- Biophysics Department, Faculty of Science, Cairo University, Giza 12613, Egypt
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Wen H, Tang D, Lin Y, Zou J, Liu Z, Zhou P, Wang X. Enhancement of water barrier and antimicrobial properties of chitosan/gelatin films by hydrophobic deep eutectic solvent. Carbohydr Polym 2023; 303:120435. [PMID: 36657831 DOI: 10.1016/j.carbpol.2022.120435] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022]
Abstract
Biodegradable chitosan/gelatin (CS/GEL) films have attracted attention as food packaging, but the poor water sensitivity and functional limitations of these films should be addressed. In this study, the hydrophobic deep eutectic solvent (DES, 0-15 %) consisting of thymol and octanoic acid was used to improve the water resistance and antibacterial performance of the CS/GEL composite films. FTIR and SEM analyses revealed a strong interaction between the CS/GEL matrix and DES. The films blended with DES showed increased water contact angle values and thermal stability. Furthermore, the addition of DES resulted in a significant increase in the elasticity and decrease water vapor transmission rate (WVTR). The CS/GEL films blended with 9% DES showed a 38.5% decrease in WVTR compared to those without DES. Additionally, the DES-containing film displayed good antibacterial activity against Staphylococcus aureus and Escherichia coli. Overall, the CS/GEL-DES composite films are expected to contribute an improvement to food packaging.
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Affiliation(s)
- Haitao Wen
- College of Chemical Engineering, Xiangtan University, Hunan, Xiangtan 411105, China; Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Product Processing, Guangzhou 510610, PR China
| | - Daobang Tang
- Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Product Processing, Guangzhou 510610, PR China
| | - Yaosheng Lin
- Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Product Processing, Guangzhou 510610, PR China
| | - Jinhao Zou
- Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Product Processing, Guangzhou 510610, PR China
| | - Zhongyi Liu
- College of Chemical Engineering, Xiangtan University, Hunan, Xiangtan 411105, China
| | - Pengfei Zhou
- Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Product Processing, Guangzhou 510610, PR China
| | - Xuping Wang
- Sericultural & Agri-Food Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Functional Foods, Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of Agricultural Product Processing, Guangzhou 510610, PR China.
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Yu J, Liu X, Xu S, Shao P, Li J, Chen Z, Wang X, Lin Y, Renard CMGC. Advances in green solvents for production of polysaccharide-based packaging films: Insights of ionic liquids and deep eutectic solvents. Compr Rev Food Sci Food Saf 2023; 22:1030-1057. [PMID: 36579838 DOI: 10.1111/1541-4337.13099] [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: 08/17/2022] [Revised: 11/24/2022] [Accepted: 12/03/2022] [Indexed: 12/30/2022]
Abstract
The problems with plastic materials and the good film-forming properties of polysaccharides motivated research in the development of polysaccharide-based films. In the last 5 years, there has been an explosion of publications on using green solvents, including ionic liquids (ILs), and deep eutectic solvents (DESs) as candidates to substitute the conventional solvents/plasticizers for preparations of desired polysaccharide-based films. This review summarizes related properties and recovery of ILs and DESs, a series of green preparation strategies (including pretreatment solvents/reaction media, ILs/DESs as components, extraction solvents of bioactive compounds added into films), and inherent properties of polysaccharide-based films with/without ILs and DESs. Major reported advantages of these new solvents are high dissolving capacity of certain ILs/DESs for polysaccharides (i.e., up to 30 wt% for cellulose) and better plasticizing ability than traditional plasticizers. In addition, they frequently display intrinsic antioxidant and antibacterial activities that facilitate ILs/DESs applications in the processing of polysaccharide-based films (especially active food packaging films). ILs/DESs in the film could also be further recycled by water or ethanol/methanol treatment followed by drying/evaporation. One particularly promising approach is to use bioactive cholinium-based ILs and DESs with good safety and plasticizing ability to improve the functional properties of prepared films. Whole extracts by ILs/DESs from various byproducts can also be directly used in films without separation/polishing of compounds from the extracting agents. Scaling-up, including costs and environmental footprint, as well as the safety and applications in real foods of polysaccharide-based film with ILs/DESs (extracts) deserves more studies.
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Affiliation(s)
- Jiahao Yu
- School of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China
- Zhejiang NHU Co., Ltd, Xinchang, China
- School of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Xuwei Liu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
| | - Shanlin Xu
- School of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China
| | - Ping Shao
- School of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China
| | | | - Zhirong Chen
- School of Chemical and Biological Engineering, Zhejiang University, Hangzhou, China
| | - Xuanpeng Wang
- Guangdong Qingyunshan Pharmaceutical Co., Ltd., Shaoguan, China
| | - Yang Lin
- School of Food Science and Technology, Zhejiang University of Technology, Hangzhou, China
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Performance tuning of chitosan-based membranes by protonated 2-Pyrrolidone-5-carboxylic acid-sulfolane DES for effective water/ethanol separation by pervaporation. Chem Eng Res Des 2023. [DOI: 10.1016/j.cherd.2023.01.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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12
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Construction of chitosan-based supramolecular biofilm material for wound dressing based on natural deep eutectic solvents. Int J Biol Macromol 2023; 236:123768. [PMID: 36812964 DOI: 10.1016/j.ijbiomac.2023.123768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 11/20/2022] [Accepted: 02/15/2023] [Indexed: 02/23/2023]
Abstract
Bacterial infection is still one of the main problems observed in the clinical process of wound healing, so the development of new multifunctional biocompatible materials is an urgent clinical need. A kind of supramolecular biofilm crosslinked by hydrogen bond between natural deep eutectic solvent and chitosan was studied and successfully prepared to reduce bacterial infection. Its killing rates of Staphylococcus aureus and Escherichia coli can reach 98.86 % ± 1.90 % and 99.69 % ± 0.53 %, and it can be degraded in both soil and water, showing excellent biocompatibility and biodegradability. In addition, the supramolecular biofilm material also has the UV barrier property, which can effectively avoid the secondary injury of UV to the wound. Interestingly, the cross-linking effect of hydrogen bond makes the biofilm have a more compact structure and rough surface, and gives the biofilm strong tensile properties. Overall, owing to these unique advantages, NADES-CS supramolecular biofilm has great potential for medical applications, laying the foundation for the realization of sustainable polysaccharide materials.
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Chang XX, Mubarak NM, Karri RR, Tan YH, Khalid M, Dehghani MH, Tyagi I, Khan NA. Insights into chitosan-based cellulose nanowhiskers reinforced nanocomposite material via deep eutectic solvent in green chemistry. ENVIRONMENTAL RESEARCH 2023; 219:115089. [PMID: 36529332 DOI: 10.1016/j.envres.2022.115089] [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: 09/28/2022] [Revised: 11/29/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
In the present work, the synthesis of cellulose nanowhiskers (CNW)/chitosan nanocomposite films via deep eutectic solvents (DES) changing the chemical structures were carried out. It was observed that a pure chitosan film has broadband at 3180-3400 cm-1, indicating amide and hydroxyl groups. Upon CNW incorporation, the peak gets sharper and stronger and shifts to a greater wavelength. Further, the addition of DES infuses more elements of amide into the nanocomposite films. Moreover, the mechanical properties incorporating CNW filler into a chitosan matrix show an enhancement in tensile strength (TS), Young's modulus (YM), and elongation at break. The TS and YM increase while the elongation decrease as the CNW concentration increases. The YM of biocomposite films is increased to 723 MPa at 25% CNW into chitosan films. Besides, the TS has enhanced to 11.48 MPa at 15% CNW concentration in the biocomposite films. The elongation at break has decreased to 11.7% at 25% CNW concentration. Hence, incorporating CNW into the chitosan matrix via DES can still improve the mechanical properties of the nanocomposite films. Therefore, the application of DES results in a lower YM and TS as the films are hygroscopic. In conclusion, DES can be considered the new green solvent media for synthesizing materials. It has the potential to replace ionic liquids due to its biodegradability and non-toxic properties while preserving the character of low-vapour pressure. Besides that, chitosan can be used as potential material for applications in process industries, such as the biomedical and pharmaceutical industries. Thus, DES can be used as a green solvent and aim to reduce the toxic effect of chemicals on the environment during chemical production.
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Affiliation(s)
- Xin Xiong Chang
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Yie Hua Tan
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, 98009, Miri, Sarawak, Malaysia
| | - Mohammad Khalid
- Graphene & Advanced 2D Materials Research Group (GAMRG), School of Engineering and Technology, Sunway University, No. 5, Jalan University, Bandar Sunway, 47500, Subang Jaya, Selangor, Malaysia
| | - Mohammad Hadi Dehghani
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran; Institute for Environmental Research, Center for Solid Waste Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Inderjeet Tyagi
- Centre for DNA Taxonomy, Molecular Systematics Division, Zoological Survey of India, Kolkata, 700 053, India
| | - Nadeem A Khan
- Department of Civil Engineering, Mewat Engineering College, Nuh-122107,Haryana, India
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14
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Teixeira-Costa BE, Ferreira WH, Goycoolea FM, Murray BS, Andrade CT. Improved Antioxidant and Mechanical Properties of Food Packaging Films Based on Chitosan/Deep Eutectic Solvent, Containing Açaí-Filled Microcapsules. Molecules 2023; 28:molecules28031507. [PMID: 36771173 PMCID: PMC9920262 DOI: 10.3390/molecules28031507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 01/29/2023] [Accepted: 01/31/2023] [Indexed: 02/09/2023] Open
Abstract
The development of biobased antioxidant active packaging has been valued by the food industry for complying with environmental and food waste concerns. In this work, physicochemical properties for chitosan composite films as a potential active food packaging were investigated. Chitosan films were prepared by solution casting, plasticized with a 1:2 choline chloride: glycerol mixture as a deep eutectic solvent (DES) and incorporated with 0-10% of optimized açaí oil polyelectrolyte complexes (PECs). Scanning electron microscopy and confocal laser scanning microscopy revealed that the chitosan composite films were continuous and contained well-dispersed PECs. The increased PECs content had significant influence on the thickness, water vapor permeability, crystallinity (CrD) and mechanical and dynamic behavior of the films, as well as their antioxidant properties. The tensile strength was reduced in the following order: 11.0 MPa (control film) > 0.74 MPa (5% DES) > 0.63 MPa (5% DES and 5% PECs). Films containing 2% of PECs had an increased CrD, ~6%, and the highest elongation at break, ~104%. Films with 1% of PECs displayed the highest antioxidant properties against the ABTS and DPPH radicals, ~6 and ~17 mg TE g-1, respectively, and highest equivalent polyphenols content (>0.5 mg GAE g-1). Films with 2% of particles were not significantly different. These results suggested that the chitosan films that incorporated 1-2% of microparticles had the best combined mechanical and antioxidant properties as a potential material for food packaging.
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Affiliation(s)
- Barbara E. Teixeira-Costa
- Programa de Pós-Graduação em Biotecnologia-PPGBIOTEC, Faculdade de Ciências Agrárias, Universidade Federal do Amazonas, Avenida General Rodrigo Otávio 6200, Manaus 69077-000, AM, Brazil
- Programa de Pós-Graduação em Ciência de Alimentos-PPGCAL, Instituto de Química, Universidade Federal do Rio de Janeiro, Avenida Moniz Aragão 360, Bloco 8G/CT2, Rio de Janeiro 21941-594, RJ, Brazil
- Correspondence:
| | - Willian Hermogenes Ferreira
- Programa de Pós-Graduação em Ciência de Alimentos-PPGCAL, Instituto de Química, Universidade Federal do Rio de Janeiro, Avenida Moniz Aragão 360, Bloco 8G/CT2, Rio de Janeiro 21941-594, RJ, Brazil
| | | | - Brent S. Murray
- School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK
| | - Cristina T. Andrade
- Programa de Pós-Graduação em Ciência de Alimentos-PPGCAL, Instituto de Química, Universidade Federal do Rio de Janeiro, Avenida Moniz Aragão 360, Bloco 8G/CT2, Rio de Janeiro 21941-594, RJ, Brazil
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15
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Yu J, Xu S, Goksen G, Yi C, Shao P. Chitosan films plasticized with choline-based deep eutectic solvents: UV shielding, antioxidant, and antibacterial properties. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2022.108196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/06/2022]
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16
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Jakubowska E, Gierszewska M, Szydłowska-Czerniak A, Nowaczyk J, Olewnik-Kruszkowska E. Development and characterization of active packaging films based on chitosan, plasticizer, and quercetin for repassed oil storage. Food Chem 2023; 399:133934. [PMID: 35998489 DOI: 10.1016/j.foodchem.2022.133934] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 06/30/2022] [Accepted: 08/09/2022] [Indexed: 10/15/2022]
Abstract
Novel chitosan (Ch) films containing choline chloride and citric acid mixture as plasticizer (deep eutectic solvent, DES) and different amounts of quercetin (QUE) as antioxidant additive were prepared. Physicochemical and mechanical characteristics of the developed Ch/DES/QUE films were studied using FTIR, SEM, and AFM techniques. FTIR spectra revealed the possible interactions between all the components. The surface of the films was dense and rough. The addition of quercetin caused an increase in the tensile strength (TS) and Young's modulus, but significantly decreased the elongation at break. The films containing quercetin showed improved antioxidant activity in relation to Ch/DES film. Finally, the oxidation phenomena of rapeseed oils with and without chitosan films were evaluated as amounts of primary and secondary oxidation products and total oxidation index. The addition of Ch/DES films with quercetin to oil samples successfully retarded secondary lipid oxidation processes and improved its antioxidant activity under the accelerated storage condition.
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Affiliation(s)
- Ewelina Jakubowska
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Department of Physical Chemistry and Physicochemistry of Polymers, 7 Gagarina Street, 87-100 Toruń, Poland; Łukasiewicz Research Network - Industrial Chemistry Institute, 8 Rydygiera Street, 01-793 Warsaw, Poland.
| | - Magdalena Gierszewska
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Department of Physical Chemistry and Physicochemistry of Polymers, 7 Gagarina Street, 87-100 Toruń, Poland.
| | - Aleksandra Szydłowska-Czerniak
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Department of Analytical Chemistry and Applied Spectroscopy, 7 Gagarina Street, 87-100 Toruń, Poland.
| | - Jacek Nowaczyk
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Department of Physical Chemistry and Physicochemistry of Polymers, 7 Gagarina Street, 87-100 Toruń, Poland.
| | - Ewa Olewnik-Kruszkowska
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Department of Physical Chemistry and Physicochemistry of Polymers, 7 Gagarina Street, 87-100 Toruń, Poland.
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17
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Morozova OV, Vasil'eva IS, Shumakovich GP, Zaitseva EA, Yaropolov AI. Deep Eutectic Solvents for Biotechnology Applications. BIOCHEMISTRY (MOSCOW) 2023; 88:S150-S175. [PMID: 37069119 DOI: 10.1134/s0006297923140092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
Deep eutectic solvents (DESs) are an alternative to traditional organic solvents and ionic liquids and meet the requirements of "green" chemistry. They are easy to prepare using low-cost constituents, are non-toxic and biodegradable. The review analyzes literature on the use of DES in various fields of biotechnology, provides data on the types of DESs, methods for their preparation, and properties. The main areas of using DESs in biotechnology include extraction of physiologically active substances from natural resources, pretreatment of lignocellulosic biomass to improve enzymatic hydrolysis of cellulose, production of bioplastics, as well as a reaction medium for biocatalytic reactions. The aim of this review is to summarize available information on the use of new solvents for biotechnological purposes.
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Affiliation(s)
- Olga V Morozova
- Bach Institute of Biochemistry, Federal Research Center "Fundamental Bases of Biotechnology" of the Russian Academy of Sciences, Moscow, 119071, Russia
| | - Irina S Vasil'eva
- Bach Institute of Biochemistry, Federal Research Center "Fundamental Bases of Biotechnology" of the Russian Academy of Sciences, Moscow, 119071, Russia
| | - Galina P Shumakovich
- Bach Institute of Biochemistry, Federal Research Center "Fundamental Bases of Biotechnology" of the Russian Academy of Sciences, Moscow, 119071, Russia
| | - Elena A Zaitseva
- Faculty of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Alexander I Yaropolov
- Bach Institute of Biochemistry, Federal Research Center "Fundamental Bases of Biotechnology" of the Russian Academy of Sciences, Moscow, 119071, Russia.
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18
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Shi F, Hai X, Zhu Y, Ma L, Wang L, Yin J, Li X, Yang Z, Yuan M, Xiong H, Gao Y. Ultrasonic assisted extraction of polyphenols from bayberry by deep eutectic supramolecular polymer and its application in bio-active film. ULTRASONICS SONOCHEMISTRY 2023; 92:106283. [PMID: 36610241 PMCID: PMC9829923 DOI: 10.1016/j.ultsonch.2022.106283] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/05/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Ultrasound and deep eutectic supramolecular polymers (DESP) is a novel combination of green extraction method for phytochemicals. In this study, a new type of green extractant was developed: DESP. It is a derivative of deep eutectic solvent (DES) and was prepared by supramolecular polymer unit β-cyclodextrin (β-CD) as hydrogen bond acceptor (HBA) and organic acid as hydrogen bond donor (HBD). The current work focuses on the use of ultrasonic-assisted (UAE) DESP extraction of polyphenolic compounds (PCs) from bayberry. The experimental results showed that DESP synthesized with β-CD and lactic acid (LA) in a ratio of 1:1 (w/w %) had the best extraction effect. And by using a three-level factor experiment and the response surface method, the predicted TPC content is very close to the actual content (28.85 ± 1.27 mg GAE/g). The DESP extract including PCs were further used as plasticizer for chitosan (CS) to prepare highly active green biofilms (DESP-CS). It is possible to reduce the tedious procedures for separating biologically active substances from DESP. The experiment proved that the prepared films have good mechanical properties, plastic deformation resistance, thermal stability and antioxidant activity.
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Affiliation(s)
- Feng Shi
- School of Chemistry and Environment, Yunnan Minzu University, Kunming 650504, PR China
| | - Xiaoping Hai
- School of Chemistry and Environment, Yunnan Minzu University, Kunming 650504, PR China
| | - Yun Zhu
- School of Chemistry and Environment, Yunnan Minzu University, Kunming 650504, PR China
| | - Lei Ma
- School of Chemistry and Environment, Yunnan Minzu University, Kunming 650504, PR China
| | - Lina Wang
- School of Chemistry and Environment, Yunnan Minzu University, Kunming 650504, PR China
| | - Jinfang Yin
- School of Chemistry and Environment, Yunnan Minzu University, Kunming 650504, PR China
| | - Xiaofen Li
- School of Chemistry and Environment, Yunnan Minzu University, Kunming 650504, PR China
| | - Zhi Yang
- School of Chemistry and Environment, Yunnan Minzu University, Kunming 650504, PR China
| | - Mingwei Yuan
- National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased Materials, Yunnan Minzu University, Kunming 650504, PR China
| | - Huabin Xiong
- School of Chemistry and Environment, Yunnan Minzu University, Kunming 650504, PR China.
| | - Yuntao Gao
- National and Local Joint Engineering Research Center for Green Preparation Technology of Biobased Materials, Yunnan Minzu University, Kunming 650504, PR China.
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19
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Impact of tea tree essential oil and citric acid/choline chloride on physical, structural and antibacterial properties of chitosan-based films. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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20
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Natural deep eutectic solvent of choline chloride with oxalic or ascorbic acids as efficient starch-based film plasticizers. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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21
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Liu Y, Liu M, Zhang L, Cao W, Wang H, Chen G, Wang S. Preparation and properties of biodegradable films made of cationic potato-peel starch and loaded with curcumin. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107690] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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22
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Chitosan Na-montmorillonite films incorporated with citric acid for prolonging cherry tomatoes shelf life. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100879] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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23
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Braham F, Amaral LMPF, Biernacki K, Carvalho DO, Guido LF, Magalhães JMCS, Zaidi F, Souza HKS, Gonçalves MP. Phenolic Extraction of Moringa oleifera Leaves in DES: Characterization of the Extracts and Their Application in Methylcellulose Films for Food Packaging. Foods 2022; 11:foods11172641. [PMID: 36076826 PMCID: PMC9455762 DOI: 10.3390/foods11172641] [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: 08/01/2022] [Revised: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 11/16/2022] Open
Abstract
In this work, a qualitative study of the phenolic content of Moringa oleifera leaves (MO), extracted with deep eutectic solvents (DES) based on choline chloride (ChCl) with lactic acid (LA) or glycerol (GLY), was performed by high-resolution mass spectrometry (HPLC-DAD-ESI-MSn). The two solvents (DES-LA and DES-GLY) extract similar classes of phenolics, and ten compounds were identified. The antioxidant profile was also studied (TPC, TFC, DPPH, FRAP, ORAC, and ABTS). Both solvents show an efficient extraction of phenolic compounds and high antioxidant capacity was verified for the extracts. However, the DES-Gly have a higher capacity for polyphenolic extraction (TPC led to 38.409 ± 0.095 mg GAE.g−1 and 2.259 ± 0.023 mg QE.g−1 for TFC). Films based on methylcellulose (MC) containing different amounts of DES or MO extracts, acting as plasticizers, were developed and characterized regarding their mechanical, optical, water vapor permeability, and microstructural properties. All films are uniform, clear, and transparent with smooth, homogeneous surfaces. It was found that the presence of more than 10% of MO extract and/or DES provided more flexible films (Eb for MC 2%_DES 20% achieved 4.330 ± 0.27 %, and 8.15 ± 0.39 % for MC 2%_MO 20%) with less mechanical and barrier resistance. The ultimate objective of this study was to provide information that could assist in the development of antimicrobial active methylcellulose films for sliced wheat bread packaging.
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Affiliation(s)
- Fazia Braham
- Département des Sciences Alimentaires, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Route Targa Ouzemour, Bejaia 06000, Algeria
- REQUIMTE/LAQV, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Luísa M. P. F. Amaral
- REQUIMTE/LAQV, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal
| | - Krzysztof Biernacki
- REQUIMTE/LAQV, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Daniel O. Carvalho
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal
| | - Luis F. Guido
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre 687, 4169-007 Porto, Portugal
| | - Júlia M. C. S. Magalhães
- REQUIMTE/LAQV, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Farid Zaidi
- Département des Sciences Alimentaires, Faculté des Sciences de la Nature et de la Vie, Université de Bejaia, Route Targa Ouzemour, Bejaia 06000, Algeria
| | - Hiléia K. S. Souza
- REQUIMTE/LAQV, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
- IPC—Institute for Polymers and Composites/I3N, Department of Polymer Engineering, University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal
- Correspondence:
| | - Maria P. Gonçalves
- REQUIMTE/LAQV, Departamento de Engenharia Química, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
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Zhang W, Shen J, Gao P, Jiang Q, Xia W. Sustainable chitosan films containing a betaine-based deep eutectic solvent and lignin: Physicochemical, antioxidant, and antimicrobial properties. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107656] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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25
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Grala D, Biernacki K, Freire C, Kuźniarska-Biernacka I, Souza HK, Gonçalves MP. Effect of natural deep eutectic solvent and chitosan nanoparticles on physicochemical properties of locust bean gum films. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107460] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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26
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Castro-Muñoz R, Gontarek E, Karczewski J, Cabezas R, Merlet G, Araya-Lopez C, Boczkaj G. Hybrid cross-linked chitosan/protonated-proline:glucose DES membranes with superior pervaporation performance for ethanol dehydration. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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27
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Preparation, characterization and antioxidant properties of curcumin encapsulated chitosan/lignosulfonate micelles. Carbohydr Polym 2022; 281:119080. [DOI: 10.1016/j.carbpol.2021.119080] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 12/24/2021] [Accepted: 12/28/2021] [Indexed: 12/17/2022]
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28
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Chitosan and Collagen-Based Materials Enriched with Curcumin (Curcuma longa): Rheological and Morphological Characterization. POLYSACCHARIDES 2022. [DOI: 10.3390/polysaccharides3010013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In this study, chitosan and collagen (Ch: Col)-based materials containing curcumin (Cur) as a bioactive compound were developed for wound-healing purposes. The effects of incorporating curcumin and increasing its concentration on both the rheological properties of the formed solutions and the morphological and thermal properties of the three-dimensional scaffolds obtained from them were evaluated. Rheology showed that the presence of curcumin resulted in solutions with a solid-like behavior (G’ > G″), higher collagen denaturation temperatures, and higher viscosities, favoring their use as biomaterials for wound healing. A greater cross-linking effect was observed at higher curcumin concentrations, possibly between the amino groups from both polymers and the hydroxyl and keto groups from the polyphenol. Such cross-linking was responsible for the delay in the onset of degradation of the scaffolds by 5 °C, as revealed by thermogravimetric analysis. Moreover, the pore diameter distribution profile of the scaffolds changed with increasing curcumin concentration; a greater number of pores with diameters between 40 and 60 µm was observed for the scaffold with the highest curcumin content (50 mg), which would be the most suitable for the proposed application. Thus, the materials developed in this study are presented as promising biomaterials for their biological evaluation in tissue regeneration.
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29
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Tan SX, Andriyana A, Ong HC, Lim S, Pang YL, Ngoh GC. A Comprehensive Review on the Emerging Roles of Nanofillers and Plasticizers towards Sustainable Starch-Based Bioplastic Fabrication. Polymers (Basel) 2022; 14:polym14040664. [PMID: 35215577 PMCID: PMC8874690 DOI: 10.3390/polym14040664] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/15/2022] [Accepted: 01/21/2022] [Indexed: 02/04/2023] Open
Abstract
Petroleum-based plastics are associated with environmental pollution problems owing to their non-biodegradable and toxic properties. In this context, renewable and biodegradable bioplastics possess great potential to replace petroleum-based plastics in mitigating these environmental issues. Fabrication of bioplastic films involves a delicate mixture of the film-forming agent, plasticizer and suitable solvent. The role of the plasticizer is to improve film flexibility, whereas the filler serves as a reinforcement medium. In recent years, much research attention has been shifted toward devising diverse methods for enhancing the performance of bioplastics, particularly in the utilization of environmentally benign nanoparticles to displace the conventional hazardous chemicals. Along this line, this paper presents the emergence of nanofillers and plasticizers utilized in bioplastic fabrication with a focus on starch-based bioplastics. This review paper not only highlights the influencing factors that affect the optical, mechanical and barrier properties of bioplastics, but also revolves around the proposed mechanism of starch-based bioplastic formation, which has rarely been reviewed in the current literature. To complete the review, prospects and challenges in bioplastic fabrication are also highlighted in order to align with the concept of the circular bioplastic economy and the United Nations’ Sustainable Development Goals.
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Affiliation(s)
- Shiou Xuan Tan
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia; (S.X.T.); (A.A.)
| | - Andri Andriyana
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia; (S.X.T.); (A.A.)
- Center of Advanced Materials, Faculty of Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Hwai Chyuan Ong
- Future Technology Research Center, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou, Yunlin 64002, Taiwan;
| | - Steven Lim
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang 43000, Malaysia;
- Centre of Photonics and Advanced Materials Research, Universiti Tunku Abdul Rahman, Kajang 43000, Malaysia
- Correspondence: (S.L.); (G.C.N.)
| | - Yean Ling Pang
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang 43000, Malaysia;
- Centre of Photonics and Advanced Materials Research, Universiti Tunku Abdul Rahman, Kajang 43000, Malaysia
| | - Gek Cheng Ngoh
- Department of Chemical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia
- Correspondence: (S.L.); (G.C.N.)
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Tan SX, Ong HC, Andriyana A, Lim S, Pang YL, Kusumo F, Ngoh GC. Characterization and Parametric Study on Mechanical Properties Enhancement in Biodegradable Chitosan-Reinforced Starch-Based Bioplastic Film. Polymers (Basel) 2022; 14:polym14020278. [PMID: 35054685 PMCID: PMC8778006 DOI: 10.3390/polym14020278] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 02/01/2023] Open
Abstract
Bioplastic has been perceived as a promising candidate to replace petroleum-based plastics due to its environment-friendly and biodegradable characteristics. This study presents the chitosan reinforced starch-based bioplastic film prepared by the solution casting and evaporation method. The effects of processing parameters, i.e., starch concentration, glycerol loading, process temperature and chitosan loading on mechanical properties were examined. Optimum tensile strength of 5.19 MPa and elongation at break of 44.6% were obtained under the combined reaction conditions of 5 wt.% starch concentration, 40 wt.% glycerol loading, 20 wt.% chitosan loading and at a process temperature of 70 °C. From the artificial neural network (ANN) modeling, the coefficient of determination (R2) for tensile strength and elongation at break were found to be 0.9955 and 0.9859, respectively, which proved the model had good fit with the experimental data. Interaction and miscibility between starch and chitosan were proven through the peaks shifting to a lower wavenumber in FTIR and a reduction of crystallinity in XRD. TGA results suggested the chitosan-reinforced starch-based bioplastic possessed reasonable thermal stability under 290 °C. Enhancement in water resistance of chitosan-incorporated starch-based bioplastic film was evidenced with a water uptake of 251% as compared to a 302% registered by the pure starch-based bioplastic film. In addition, the fact that the chitosan-reinforced starch-based bioplastic film degraded to 52.1% of its initial weight after 28 days suggests it is a more sustainable alternative than the petroleum-based plastics.
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Affiliation(s)
- Shiou Xuan Tan
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia; (S.X.T.); (A.A.)
| | - Hwai Chyuan Ong
- Future Technology Research Center, National Yunlin University of Science and Technology, Douliou 64002, Taiwan
- Correspondence: (H.C.O.); (S.L.); (G.C.N.)
| | - Andri Andriyana
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia; (S.X.T.); (A.A.)
| | - Steven Lim
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang 43000, Malaysia;
- Centre of Photonics and Advanced Materials Research, Universiti Tunku Abdul Rahman, Kajang 43000, Malaysia
- Correspondence: (H.C.O.); (S.L.); (G.C.N.)
| | - Yean Ling Pang
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang 43000, Malaysia;
- Centre of Photonics and Advanced Materials Research, Universiti Tunku Abdul Rahman, Kajang 43000, Malaysia
| | - Fitranto Kusumo
- Centre for Green Technology, School of Civil and Environmental Engineering, University of Technology, Sydney, NSW 2007, Australia;
| | - Gek Cheng Ngoh
- Department of Chemical Engineering, Faculty of Engineering, Universiti Malaya, Kuala Lumpur 50603, Malaysia
- Correspondence: (H.C.O.); (S.L.); (G.C.N.)
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31
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Khajavian M, Vatanpour V, Castro-Muñoz R, Boczkaj G. Chitin and derivative chitosan-based structures - Preparation strategies aided by deep eutectic solvents: A review. Carbohydr Polym 2022; 275:118702. [PMID: 34742428 DOI: 10.1016/j.carbpol.2021.118702] [Citation(s) in RCA: 83] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/21/2021] [Accepted: 09/21/2021] [Indexed: 12/19/2022]
Abstract
The high molecular weight of chitin, as a biopolymer, challenges its extraction due to its insolubility in the solvents. Also, chitosan, as the N-deacetylated form of chitin, can be employed as a primary material for different industries. The low mechanical stability and poor plasticity of chitosan films, as a result of incompatible interaction between chitosan and the used solvent, have limited its industrialization. Deep eutectic solvents (DESs), as novel solvents, can solve the extraction difficulties of chitin, and the low mechanical stability and weak plasticity of chitosan films. Also, DESs can be considered for the different chitosan and chitin productions, including chitin nanocrystal and nanofiber, N,N,N-trimethyl-chitosan, chitosan-based imprinted structures, and DES-chitosan-based beads and monoliths. This review aims to focus on the preparation and characterization (chemistry and morphology) of DES-chitin-based and DES-chitosan-based structures to understand the influence of the incorporation of DESs into the chitin and chitosan structure.
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Affiliation(s)
- Mohammad Khajavian
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak 38156-8-8349, Iran
| | - Vahid Vatanpour
- Department of Applied Chemistry, Faculty of Chemistry, Kharazmi University, P.O. Box 15719-14911, Tehran, Iran.
| | - Roberto Castro-Muñoz
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk 80-233, Poland; Tecnologico de Monterrey, Campus Toluca, Avenida Eduardo Monroy, Cárdenas 2000 San Antonio Buenavista, 50110 Toluca de Lerdo, Mexico
| | - Grzegorz Boczkaj
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk 80-233, Poland; EcoTech Center, Gdańsk University of Technology, Gdańsk 80-233, Poland
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Teixeira-Costa BE, Andrade CT. Chitosan as a Valuable Biomolecule from Seafood Industry Waste in the Design of Green Food Packaging. Biomolecules 2021; 11:1599. [PMID: 34827597 PMCID: PMC8615795 DOI: 10.3390/biom11111599] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 10/24/2021] [Accepted: 10/24/2021] [Indexed: 12/21/2022] Open
Abstract
Chitosan is a versatile biomolecule with a broad range of applications in food and pharmaceutical products. It can be obtained by the alkaline deacetylation of chitin. This biomolecule can be extracted using conventional or green methods from seafood industry residues, e.g., shrimp shells. Chitin has limited applications because of its low solubility in organic solvents. Chitosan is soluble in acidified solutions allowing its application in the food industry. Furthermore, biological properties, such as antioxidant, antimicrobial, as well as its biodegradability, biocompatibility and nontoxicity have contributed to its increasing application as active food packaging. Nevertheless, some physical and mechanical features have limited a broader range of applications of chitosan-based films. Green approaches may be used to address these limitations, leading to well-designed chitosan-based food packaging, by employing principles of a circular and sustainable economy. In this review, we summarize the properties of chitosan and present a novel green technology as an alternative to conventional chitin extraction and to design environmentally friendly food packaging based on chitosan.
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Affiliation(s)
- Barbara E. Teixeira-Costa
- Programa de Pós-Graduação em Ciência de Alimentos, Instituto de Química, Universidade Federal do Rio de Janeiro, Avenida Moniz Aragão 360, Bloco 8G/CT2, Rio de Janeiro 21941-594, RJ, Brazil;
- Faculdade de Ciências Agrárias, Universidade Federal do Amazonas, Avenida General Rodrigo Otávio 6200, Manaus 69077-000, AM, Brazil
| | - Cristina T. Andrade
- Programa de Pós-Graduação em Ciência de Alimentos, Instituto de Química, Universidade Federal do Rio de Janeiro, Avenida Moniz Aragão 360, Bloco 8G/CT2, Rio de Janeiro 21941-594, RJ, Brazil;
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A review on the potential uses of deep eutectic solvents in chitin and chitosan related processes. Carbohydr Polym 2021; 262:117942. [PMID: 33838819 DOI: 10.1016/j.carbpol.2021.117942] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/12/2021] [Accepted: 03/12/2021] [Indexed: 11/23/2022]
Abstract
Ionic liquids (ILs) as well as closely related deep eutectic solvents (DESs) have been the most promising discoveries in the "Green Chemistry" world in recent years as types of solvents. Deep eutectic solvents are received as potential alternatives to the conventional organic solvents with other advantages such as renewability, reusability, biodegradability, nontoxicity, large-scale availability, having very low vapour pressure, low flammability and easy in preparation. Chitin is the second most abundant biopolymers in the nature that can be extracted from many aquatic and terrestrial organisms also some of the microorganisms. Chitin and its derivatives have applications in many fields such as medical, food-beverages, agriculture and cosmetics. This review reports the major contributions of DESs in chitin and chitosan related studies and summarizes recent advances in some applications such as extraction media, bio-film fabrication, nanomaterial preparation, chitosan methylation, chitin dissolution, composite material preparation.
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Physical Properties of Chitosan Films Containing Pomegranate Peel Extracts Obtained by Deep Eutectic Solvents. Foods 2021; 10:foods10061262. [PMID: 34199363 PMCID: PMC8229160 DOI: 10.3390/foods10061262] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 01/23/2023] Open
Abstract
Pomegranate peel is a byproduct of pomegranate juice production, and is rich in polyphenol compounds. The objective of this study was to investigate the incorporation of pomegranate peel extract in chitosan films. Green deep eutectic solvents (DESs) were used as extraction solvents. Choline chloride (ChCl) and glycerol (Gly) were used as the hydrogen bond acceptor and hydrogen bond donor, respectively; the molar ratio of the DES ingredients, ChCl:Gly, was 1:11. The extraction process was optimized by deploying response surface methodology. Under the optimized conditions, the extraction yield in total polyphenols amounted to 272.98 mg of gallic acid equivalents per g of dry matter and, for total flavonoids, 20.12 mg of quercetin equivalents per g of dry matter, with a liquid to solid ratio of 47 mL g−1, time of 70 min, and 30% (v/v) water concentration in the DES. Afterwards, composite chitosan films were prepared by using five different formulations; the DES containing extract was incorporated as a plasticizer in the chitosan films. Specimens of every recipe were submitted to large deformation tensile testing in Texture Analyzer. Furthermore, water sorption behavior and color parameters of the films were determined.
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35
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Ni Y, Shi S, Li M, Zhang L, Yang C, Du T, Wang S, Nie H, Sun J, Zhang W, Wang J. Visible light responsive, self-activated bionanocomposite films with sustained antimicrobial activity for food packaging. Food Chem 2021; 362:130201. [PMID: 34090044 DOI: 10.1016/j.foodchem.2021.130201] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/17/2021] [Accepted: 05/23/2021] [Indexed: 10/21/2022]
Abstract
The research on a new type of low-cost, less-loss and adjustable sustained antibacterial activity food packaging films with self-activation ability and great industrialization potentiality is of great scientific and technological interest. Herein, a novel chitosan/negatively charged graphitic carbon nitride self-activation bionanocomposite films was prepared by one-step electrostatic self-assembly. First, the antibacterial efficiency of this film could reach to 99.8 ± 0.26% against E. coli and 99.9 ± 0.04% against S. aureus through self-activated under visible light. Second, this film can effectively extend the shelf life of tangerines to 24 days. Hemolysis and cell experiment test proved that this film was safe and nontoxic. Finally, negatively charged graphitic carbon nitride with low-cost can improve the mechanical, thermal and hydrophobic properties of neat chitosan films. This work can provide a new pathway for the preparation of low-cost packaging films with excellent visible light responsive property and sustainable antibacterial activity.
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Affiliation(s)
- Yongsheng Ni
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Shuo Shi
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Min Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Liang Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Chengyuan Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ting Du
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Shaochi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Hongqing Nie
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jing Sun
- Qinghai Provincial Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Qinghai 810008, China
| | - Wentao Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
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Xie Q, Zheng X, Li L, Ma L, Zhao Q, Chang S, You L. Effect of Curcumin Addition on the Properties of Biodegradable Pectin/Chitosan Films. Molecules 2021; 26:2152. [PMID: 33918007 PMCID: PMC8068353 DOI: 10.3390/molecules26082152] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/02/2021] [Accepted: 04/06/2021] [Indexed: 11/25/2022] Open
Abstract
A pectin/chitosan matrix-loaded curcumin film (PCCF) with a deep eutectic solvent (DES) as the solvent and plasticizer was prepared in this study. Different quantities of curcumin (identified as PCCF-0, PCCF-1, PCCF-2. PCCF-3) were loaded on the pectin/chitosan film in order to evaluate their effects on the film properties. Results showed that curcumin could interact with the pectin/chitosan matrix and form a complex three-dimensional network structure. PCCF could promote the thickness, tensile strength, thermal properties, antioxidant and antiseptic capacities, but deteriorate the light transmission and elongation at the same time. The addition of curcumin would change the color of the film, without significantly affecting the moisture content. The tensile strength of PCCF-3 reached the maximum value of 3.75 MPa, while the elongation decreased to 10%. Meanwhile, the water-resistance properties of PCCF-3 were significantly promoted by 8.6% compared with that of PCCF-0. Furthermore, PCCF showed remarkable sustained antioxidant activities in a dose-dependent manner. PCCF-3 could inhibit DPPH and ABTS free radicals by 58.66% and 29.07%, respectively. It also showed antiseptic capacity on fresh pork during storage. Therefore, curcumin addition could improve the barrier, mechanical, antioxidant and antiseptic properties of the polysaccharide-based film and PCCF has the potential to be used as a new kind of food packaging material in the food industry.
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Affiliation(s)
- Qingtong Xie
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.X.); (X.Z.); (L.L.); (L.M.); (Q.Z.)
| | - Xudong Zheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.X.); (X.Z.); (L.L.); (L.M.); (Q.Z.)
| | - Liuting Li
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.X.); (X.Z.); (L.L.); (L.M.); (Q.Z.)
| | - Liqun Ma
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.X.); (X.Z.); (L.L.); (L.M.); (Q.Z.)
| | - Qihui Zhao
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.X.); (X.Z.); (L.L.); (L.M.); (Q.Z.)
| | - Shiyuan Chang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.X.); (X.Z.); (L.L.); (L.M.); (Q.Z.)
- Overseas Expertise Introduction Center for Food Nutrition and Human Health (111 Center), South China University of Technology, Guangzhou 510640, China
| | - Lijun You
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (Q.X.); (X.Z.); (L.L.); (L.M.); (Q.Z.)
- Overseas Expertise Introduction Center for Food Nutrition and Human Health (111 Center), South China University of Technology, Guangzhou 510640, China
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Tavares L, Noreña CPZ. Characterization of the physicochemical, structural and thermodynamic properties of encapsulated garlic extract in multilayer wall materials. POWDER TECHNOL 2021. [DOI: 10.1016/j.powtec.2020.10.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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38
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Jakubowska E, Gierszewska M, Nowaczyk J, Olewnik-Kruszkowska E. The role of a deep eutectic solvent in changes of physicochemical and antioxidative properties of chitosan-based films. Carbohydr Polym 2020; 255:117527. [PMID: 33436259 DOI: 10.1016/j.carbpol.2020.117527] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 10/31/2020] [Accepted: 12/13/2020] [Indexed: 02/06/2023]
Abstract
In this work deep eutectic solvent (DES), based on the mixture of choline chloride and lactic acid, were suggested as chitosan films plasticizers. The molecular structure and properties of films obtained using chitosan, with different degree of deacetylation and 0-80 wt.% DES content (ωDES), were studied by means of FTIR spectroscopy, SEM and AFM microscopy (films' surface properties) together with optical characteristics, water vapor transmission rate (WVTR), water vapor permeability (WVP), tensile strength (TS) and elongation at break (Eb). Scanning electron micrographs revealed that all chitosan-DES films were smooth and uniform. DES significantly improves the film flexibility (Eb increases of ca. 160 % after incorporation of 80 wt.% DES), slightly decreases tensile strength and also improves antioxidative properties while simultaneously, increasing water vapor permeability (WVP). Films prepared in this study exhibit characteristics that qualify them for potential use as an active packaging material.
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Affiliation(s)
- Ewelina Jakubowska
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Chair of Physical Chemistry and Physicochemistry of Polymers, 7 Gagarina Street, 87-100 Toruń, Poland.
| | - Magdalena Gierszewska
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Chair of Physical Chemistry and Physicochemistry of Polymers, 7 Gagarina Street, 87-100 Toruń, Poland.
| | - Jacek Nowaczyk
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Chair of Physical Chemistry and Physicochemistry of Polymers, 7 Gagarina Street, 87-100 Toruń, Poland.
| | - Ewa Olewnik-Kruszkowska
- Nicolaus Copernicus University in Toruń, Faculty of Chemistry, Chair of Physical Chemistry and Physicochemistry of Polymers, 7 Gagarina Street, 87-100 Toruń, Poland.
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Delgado-Rangel LH, Huerta-Saquero A, Eufracio-García N, Meza-Villezcas A, Mota-Morales JD, González-Campos JB. Deep eutectic solvent-assisted phase separation in chitosan solutions for the production of 3D monoliths and films with tailored porosities. Int J Biol Macromol 2020; 164:4084-4094. [PMID: 32890563 DOI: 10.1016/j.ijbiomac.2020.08.254] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/10/2020] [Accepted: 08/31/2020] [Indexed: 01/28/2023]
Abstract
A facile and greener methodology to obtain pure chitosan-based 3D porous structures in the form of monoliths and films is proposed. It is based on a modified evaporation-induced phase separation process in a chitosan solution precursor. In this approach, a deep eutectic solvent (DES) is used as the nonsolvent system and an ecofriendly, cost effective, simple and versatile alternative for the production of highly structured chitosan materials. The porous heterogeneous structure can be fine-tuned by varying the chitosan content in the precursor solution and chitosan/DES ratio, and enabled the structured polymer to absorb large amounts of water to form hydrogels. This is a versatile and unexplored approach to design porous chitosan with tailored morphology in the absence of crosslinkers, which, based on preliminary studies on V. cholerae biofilm formation, is expected to open new avenues for various applications in biomedical, catalysis, water purification, filtration and other areas where the control of bacterial biofilm formation is critical.
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Affiliation(s)
- Luis Humberto Delgado-Rangel
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Av. Francisco J. Múgica S/N, Ciudad Universitaria, Morelia 58030, Mexico
| | - Alejandro Huerta-Saquero
- Centro de Nanociencias y Nanotecnología-Universidad Nacional Autónoma de México, Carretera Tijuana-Ensenada KM 107, Ensenada, Baja California 22860, Mexico
| | - Nancy Eufracio-García
- Centro de Nanociencias y Nanotecnología-Universidad Nacional Autónoma de México, Carretera Tijuana-Ensenada KM 107, Ensenada, Baja California 22860, Mexico
| | - Anaid Meza-Villezcas
- Centro de Nanociencias y Nanotecnología-Universidad Nacional Autónoma de México, Carretera Tijuana-Ensenada KM 107, Ensenada, Baja California 22860, Mexico
| | - Josué D Mota-Morales
- Centro de Física Aplicada y Tecnología Avanzada-Universidad Nacional Autónoma de México, Boulevard Juriquilla N° 3001, Querétaro, Querétaro 76230, Mexico.
| | - J Betzabe González-Campos
- Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Av. Francisco J. Múgica S/N, Ciudad Universitaria, Morelia 58030, Mexico.
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40
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Jakubowska E, Gierszewska M, Nowaczyk J, Olewnik-Kruszkowska E. Physicochemical and storage properties of chitosan-based films plasticized with deep eutectic solvent. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.106007] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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41
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Taghavi Kevij H, Salami M, Mohammadian M, Khodadadi M. Fabrication and investigation of physicochemical, food simulant release, and antioxidant properties of whey protein isolate-based films activated by loading with curcumin through the pH-driven method. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.106026] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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42
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An overview on alumina-silica-based aerogels. Adv Colloid Interface Sci 2020; 282:102189. [PMID: 32593008 DOI: 10.1016/j.cis.2020.102189] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 04/15/2020] [Accepted: 06/02/2020] [Indexed: 01/19/2023]
Abstract
Silica aerogels are remarkable materials with excellent physicochemical properties, such as high porosity and surface area, along with low density and thermal conductivity. In addition to their outstanding properties, these materials are quite interesting due to the possibility to change their chemistry according to intended applications. However, they also show some disadvantages, like low mechanical strength and poor dimensional stability under high temperatures (above 600 °C). Although these aerogels are frequently used as thermal insulators, for high temperature environments some of their properties need to be improved. The mixing with other ceramic thermally resistant phases is a viable approach. Thus, this work presents an overview on alumina-silica-based aerogels, describing their synthesis, processing and properties. The improvement on their properties will be discussed as a function of the amount of refractory phase (alumina) in the silica matrix. The introduction of the alumina phase makes them stable until 1200-1400 °C, maintaining low values of thermal conductivity at very high temperature (below 81 mW m-1 K-1). Finally, a brief survey on the most promising applications of these materials is presented, with several examples. In catalysis, alumina-silica aerogels have shown equivalent performance when compared to reference catalysts. In the field of thermal insulation, these materials show great potential, especially in high temperatures environments, due to their thermal dimensional stability and inherent low thermal conductivity. As adsorbents, higher stability and adsorption capacity were obtained with the incorporation of the alumina phase in silica aerogels, and these materials can be reused for repeated adsorption/desorption cycles. Indeed, a significant improvement of the aerogel performance by the synergetic effect of combining silica and alumina phases is usually obtained, supporting the expectation of the extension of their fields of application.
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Jiang D, Shen P, Pu Y, Jin M, Yu C, Qi H. Enhancement of gel properties of Scomberomorus niphonius myofibrillar protein using phlorotannin extracts under UVA irradiation. J Food Sci 2020; 85:2050-2059. [PMID: 32572982 DOI: 10.1111/1750-3841.15311] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 04/27/2020] [Accepted: 04/29/2020] [Indexed: 01/02/2023]
Abstract
The effect of phlorotannin extracts (PTE) (from sporophyll of Undaria pinnatifida) added at different levels (0, 25, 125, 625 µmol/g protein) on the gel properties of mackerel (Scomberomorus niphonius) myofibrillar protein (MP) was studied with and without ultraviolet A (UVA) irradiation. The results showed that the gel strength and cooking yield increased in a PTE dose-dependent manner, and at the level of 625 µmol/g protein PTE, the highest gel strength of 308.43 ± 8.12 (mN·cm) and cooking yield of 76.16 ± 1.40% were obtained in the samples treated with UVA irradiation. The same samples also showed increased carbonyl content, decreased total sulfhydryl, unwinding of α-helix, and quenching of fluorescence intensity of endogenous tryptophan, all of which indicated that elevated protein oxidation in these samples led to enhanced protein cross-linking. Results of sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) indicated aggregation of myosin heavy chains (MHCs) in the UVA-treated gels with PTE, also evidenced by the dense three-dimensional network structure in these samples visualized by scanning electron microscopy (SEM). Electron spin resonance (ESR) and spin trapping results indicated that free radicals were produced during the gelation process, possibly originated from UVA-treated PTE, which played a critical role of oxidizing fish MPs, and eventually led to the improvement of the textural properties of the mackerel MP gel. PRACTICAL APPLICATION: Brown algae are a family of high-yield marine algae. Phlorotannin extracts are highly active natural substances extracted from brown algae that can have many applications. Ultraviolet A (UVA) as a green and environmentally friendly physical processing method has been widely used in food processing in recent years. The method proposed in this study could be utilized to improve properties of fish protein gel made from poorly performing low-priced fishes, and provide workable guidance for industry to expand the application of brown algae in food processing to better meet consumer's demand for high-quality marine foods.
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Affiliation(s)
- Di Jiang
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood, Dalian, 116034, P. R. China
| | - Ping Shen
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood, Dalian, 116034, P. R. China
| | - Yuan Pu
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood, Dalian, 116034, P. R. China
| | - Meiran Jin
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood, Dalian, 116034, P. R. China
| | - Chenxu Yu
- Department of Agricultural and Biosystems Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Hang Qi
- School of Food Science and Technology, Dalian Polytechnic University, National Engineering Research Center of Seafood, Dalian, 116034, P. R. China
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Preparation and characterization of irradiated kafirin-quercetin film for packaging cod (Gadus morhua) during cold storage at 4 °C. FOOD BIOPROCESS TECH 2020. [DOI: 10.1007/s11947-020-02409-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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45
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Chitosan Composites in Packaging Industry-Current Trends and Future Challenges. Polymers (Basel) 2020; 12:polym12020417. [PMID: 32054097 PMCID: PMC7077685 DOI: 10.3390/polym12020417] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 02/04/2020] [Accepted: 02/06/2020] [Indexed: 12/30/2022] Open
Abstract
Chitosan-based composites play an important role in food packaging applications and can be used either as films or as edible coatings. Due to their high costs and lower performance (i.e., lower barrier against water vapor, thermal, and mechanical properties) when compared to the traditional petroleum-based plastics, the use of such biopolymers in large-scale is still limited. Several approaches of chitosan composites in the packaging industry are emerging to overcome some of the disadvantages of pristine polymers. Thus, this work intends to present the current trends and the future challenges towards production and application of chitosan composites in the food packaging industry.
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46
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Microencapsulation of Garlic Extract by Complex Coacervation Using Whey Protein Isolate/Chitosan and Gum Arabic/Chitosan as Wall Materials: Influence of Anionic Biopolymers on the Physicochemical and Structural Properties of Microparticles. FOOD BIOPROCESS TECH 2019. [DOI: 10.1007/s11947-019-02375-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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47
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Wu C, Sun J, Chen M, Ge Y, Ma J, Hu Y, Pang J, Yan Z. Effect of oxidized chitin nanocrystals and curcumin into chitosan films for seafood freshness monitoring. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.04.047] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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48
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Zhang L, Qiu J, Cao X, Zeng X, Tang X, Sun Y, Lin L. Drying methods, carrier materials, and length of storage affect the quality of xylooligosaccharides. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.03.043] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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49
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Roda A, Matias AA, Paiva A, Duarte ARC. Polymer Science and Engineering Using Deep Eutectic Solvents. Polymers (Basel) 2019; 11:polym11050912. [PMID: 31117221 PMCID: PMC6572283 DOI: 10.3390/polym11050912] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 05/16/2019] [Accepted: 05/17/2019] [Indexed: 12/12/2022] Open
Abstract
The green and versatile character of deep eutectic solvents (DES) has turned them into significant tools in the development of green and sustainable technologies. For this purpose, their use in polymeric applications has been growing and expanding to new areas of development. The present review aims to summarize the progress in the field of DES applied to polymer science and engineering. It comprises fundamentals studies involving DES and polymers, recent applications of DES in polymer synthesis, extraction and modification, and the early developments on the formulation of DES–polymer products. The combination of DES and polymers is highly promising in the development of new and ‘greener’ materials. Still, there is plenty of room for future research in this field.
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Affiliation(s)
- Ana Roda
- LAQV, REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal.
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal.
| | - Ana A Matias
- iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, 2781-901 Oeiras, Portugal.
| | - Alexandre Paiva
- LAQV, REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal.
| | - Ana Rita C Duarte
- LAQV, REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal.
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50
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Development and characterization of antioxidant active packaging and intelligent Al 3+-sensing films based on carboxymethyl chitosan and quercetin. Int J Biol Macromol 2019; 126:1074-1084. [PMID: 30625350 DOI: 10.1016/j.ijbiomac.2018.12.264] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 12/22/2018] [Accepted: 12/29/2018] [Indexed: 11/20/2022]
Abstract
Different amounts of quercetin were mixed with carboxymethyl chitosan (CMCS) to develop novel antioxidant active packaging and intelligent Al3+-sensing films. The physical properties, structure, antioxidant and Al3+-sensing abilities of CMCS-quercetin composite films were investigated. Results showed CMCS-quercetin composite films presented a dark yellowish color. When compared with CMCS film, CMCS-quercetin composite films containing 5 and 7.5 wt% of quercetin on CMCS basis exhibited higher thicknesses, opacity and thermal stability; however, presented lower moisture contents, UV-vis light transmittance and elongation at break. Besides, the incorporation of quercetin could not significantly change the water solubility and water vapor barrier property of CMCS film. Morphological observation showed the surface of CMCS-quercetin composite film became coarse when 7.5 wt% of quercetin was incorporated. Infrared spectra and X-ray diffraction patterns of CMCS-quercetin composite films further indicated quercetin was compatible with CMCS. Importantly, CMCS-quercetin composite films could sustainably release antioxidant ability into aqueous and fatty food stimulants. Moreover, CMCS-quercetin composite films were sensitive to Al3+. The color and UV-vis absorption patterns of CMCS-quercetin composite films were changed by the addition of Al3+. Results suggested that CMCS-quercetin composite films could be used as novel antioxidant and intelligent Al3+-sensing materials in food packaging.
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