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Liang X, Guo S, Kuang X, Wan X, Liu L, Zhang F, Jiang G, Cong H, He H, Tan SC. Recent advancements and perspectives on processable natural biopolymers: Cellulose, chitosan, eggshell membrane, and silk fibroin. Sci Bull (Beijing) 2024:S2095-9273(24)00603-0. [PMID: 39244421 DOI: 10.1016/j.scib.2024.08.023] [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: 04/24/2024] [Revised: 07/12/2024] [Accepted: 08/20/2024] [Indexed: 09/09/2024]
Abstract
With the rapid development of the global economy and the continuous consumption of fossil resources, sustainable and biodegradable natural biomass has garnered extensive attention as a promising substitute for synthetic polymers. Due to their hierarchical and nanoscale structures, natural biopolymers exhibit remarkable mechanical properties, along with excellent innate biocompatibility and biodegradability, demonstrating significant potential in various application scenarios. Among these biopolymers, proteins and polysaccharides are the most commonly studied due to their low cost, abundance, and ease of use. However, the direct processing/conversion of proteins and polysaccharides into their final products has been a long-standing challenge due to their natural morphology and compositions. In this review, we emphasize the importance of processing natural biopolymers into high-value-added products through sustainable and cost-effective methods. We begin with the extraction of four types of natural biopolymers: cellulose, chitosan, eggshell membrane, and silk fibroin. The processing and post-functionalization strategies for these natural biopolymers are then highlighted. Alongside their unique structures, the versatile potential applications of these processable natural biopolymers in biomedical engineering, biosensors, environmental engineering, and energy applications are illustrated. Finally, we provide a summary and future outlook on processable natural biopolymers, underscoring the significance of converting natural biopolymers into valuable biomaterial platforms.
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Affiliation(s)
- Xinhua Liang
- Engineering Research Center for Knitting Technology (Ministry of Education), Jiangnan University, Wuxi 214122, China
| | - Shuai Guo
- Department of Materials Science and Engineering, National University of Singapore, Singapore 117574, Singapore
| | - Xiaoju Kuang
- Engineering Research Center for Knitting Technology (Ministry of Education), Jiangnan University, Wuxi 214122, China
| | - Xiaoqian Wan
- Engineering Research Center for Knitting Technology (Ministry of Education), Jiangnan University, Wuxi 214122, China
| | - Lu Liu
- Engineering Research Center for Knitting Technology (Ministry of Education), Jiangnan University, Wuxi 214122, China
| | - Fei Zhang
- Department of Sport Medicine, The Ninth People's Hospital affiliated to Soochow University, Wuxi 215200, China
| | - Gaoming Jiang
- Engineering Research Center for Knitting Technology (Ministry of Education), Jiangnan University, Wuxi 214122, China
| | - Honglian Cong
- Engineering Research Center for Knitting Technology (Ministry of Education), Jiangnan University, Wuxi 214122, China
| | - Haijun He
- Engineering Research Center for Knitting Technology (Ministry of Education), Jiangnan University, Wuxi 214122, China.
| | - Swee Ching Tan
- Department of Materials Science and Engineering, National University of Singapore, Singapore 117574, Singapore.
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2
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Zhan Z, Feng Y, Zhao J, Qiao M, Jin Q. Valorization of Seafood Waste for Food Packaging Development. Foods 2024; 13:2122. [PMID: 38998628 PMCID: PMC11241680 DOI: 10.3390/foods13132122] [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: 05/23/2024] [Revised: 06/28/2024] [Accepted: 06/30/2024] [Indexed: 07/14/2024] Open
Abstract
Packaging plays a crucial role in protecting food by providing excellent mechanical properties as well as effectively blocking water vapor, oxygen, oil, and other contaminants. The low degradation of widely used petroleum-based plastics leads to environmental pollution and poses health risks. This has drawn interest in renewable biopolymers as sustainable alternatives. The seafood industry generates significant waste that is rich in bioactive substances like chitin, chitosan, gelatins, and alginate, which can replace synthetic polymers in food packaging. Although biopolymers offer biodegradability, biocompatibility, and non-toxicity, their films often lack mechanical and barrier properties compared with synthetic polymer films. This comprehensive review discusses the chemical structure, characteristics, and extraction methods of biopolymers derived from seafood waste and their usage in the packaging area as reinforcement or base materials to guide researchers toward successful plastics replacement and commercialization. Our review highlights recent advancements in improving the thermal durability, mechanical strength, and barrier properties of seafood waste-derived packaging, explores the mechanisms behind these improvements, and briefly mentions the antimicrobial activities and mechanisms gained from these biopolymers. In addition, the remaining challenges and future directions for using seafood waste-derived biopolymers for packaging are discussed. This review aims to guide ongoing efforts to develop seafood waste-derived biopolymer films that can ultimately replace traditional plastic packaging.
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Affiliation(s)
- Zhijing Zhan
- School of Food and Agriculture, University of Maine, Orono, ME 04469, USA
| | - Yiming Feng
- Virginia Seafood AREC, Virginia Polytechnic Institute and State University, Hampton, VA 23662, USA
- Department of Biological Systems Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Jikai Zhao
- School of Earth, Environmental, and Marine Sciences, The University of Texas Rio Grande Valley, Edinburg, TX 78542, USA
| | - Mingyu Qiao
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA
- Center for Clean Energy Engineering (C2E2), University of Connecticut, Storrs, CT 05269, USA
- Institute of Materials Science (IMS), University of Connecticut, Storrs, CT 06269, USA
| | - Qing Jin
- School of Food and Agriculture, University of Maine, Orono, ME 04469, USA
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3
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Dzolkifle NAN, Wan Nawawi WMF. A review on chitin dissolution as preparation for electrospinning application. Int J Biol Macromol 2024; 265:130858. [PMID: 38490398 DOI: 10.1016/j.ijbiomac.2024.130858] [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: 12/31/2023] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
Electrospinning has been acknowledged as an efficient technique for the fabrication of continuous nanofibers from polymeric based materials such as polyvinyl alcohol (PVA), cellulose acetate (CA), chitin nanocrystals and others. These nanofibers exhibit chemical and mechanical stability, high porosity, functionality, high surface area and one-dimensional orientation which make it extremely beneficial in industrial application. In recent years, research on chitin - a biopolymer derived from crustacean and fungal cell wall - had gained interest due to its unique structural arrangement, excellent physical and chemical properties, in which make it biodegradable, non-toxic and biocompatible. Chitin has been widely utilized in various applications such as wound dressings, drug delivery, tissue engineering, membranes, food packaging and others. However, chitin is insoluble in most solvents due to its highly crystalline structure. An appropriate solvent system is required for dissolving chitin to maximize its application and produce a fine and smooth electrospun nanofiber. This review focuses on the preparation of chitin polymer solution through dissolution process using different types of solvent system for electrospinning process. The effect of processing parameters also discussed by highlighting some representative examples. Finally, the perspectives are presented regarding the current application of electrospun chitin nanofibers in selected fields.
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Affiliation(s)
- Nurul Alia Nabilah Dzolkifle
- Department of Chemical Engineering and Sustainability, International Islamic University Malaysia, P.O. Box 10, 50728 Kuala Lumpur, Malaysia
| | - Wan Mohd Fazli Wan Nawawi
- Department of Chemical Engineering and Sustainability, International Islamic University Malaysia, P.O. Box 10, 50728 Kuala Lumpur, Malaysia.
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4
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Sun X, Wang Y, Yu J, Wei Q, Ren X. Study on the deacetylation and mechanism of chitin in natural deep eutectic solvent. Int J Biol Macromol 2024; 255:127698. [PMID: 37949277 DOI: 10.1016/j.ijbiomac.2023.127698] [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: 04/20/2023] [Revised: 09/25/2023] [Accepted: 10/17/2023] [Indexed: 11/12/2023]
Abstract
A large number of hydrogen bonds is the main reason for hindering the dissolution and reaction of chitin, and a mild and green deacetylation method to prepare chitosan for a wider range of applications is urgent. As a non-toxic and degradable green solvent, the deep eutectic solvent can effectively interfere with the hydrogen bond network of chitin, making chitin more susceptible to other solvents. Therefore, a NADES system consisting of betaine and glycerol was proposed for application in the deacetylation reaction of chitin to facilitate further attack of N-acetyl groups by low concentrations of NaOH. After optimizing the reaction conditions, chitosan with 83.77 % deacetylation was prepared, requiring only a concentration of 25 wt% NaOH. The analysis of the product chitosan showed that NADES could not only effectively improve the degree of deacetylation, but also reduce the degree of damage to the molecular weight by alkali. In addition, the potential mechanisms involved in the deacetylation process by NADES were explored. The nature of the reaction was verified by FT-IR, XRD and theoretical calculations as the process of opening intra/intermolecular hydrogen bonds of chitin by NADES. More importantly, experimental and in-depth theoretical studies provide a reference for the green preparation of chitosan.
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Affiliation(s)
- Xiangyu Sun
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150000, China; School of Marine Science and Technology, Harbin Institute of Technology, Weihai, Shandong 264209, China
| | - Yiruo Wang
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, Shandong 264209, China
| | - Jiaming Yu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150000, China; School of Marine Science and Technology, Harbin Institute of Technology, Weihai, Shandong 264209, China
| | - Qifeng Wei
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai, Shandong 264209, China.
| | - Xiulian Ren
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang 150000, China; School of Marine Science and Technology, Harbin Institute of Technology, Weihai, Shandong 264209, China.
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Yang G, Hu Z, Wang Y, Mo H, Liu S, Hou X, Wu X, Jiang H, Fang Y. Engineering chitin deacetylase AsCDA for improving the catalytic efficiency towards crystalline chitin. Carbohydr Polym 2023; 318:121123. [PMID: 37479438 DOI: 10.1016/j.carbpol.2023.121123] [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: 02/24/2023] [Revised: 05/17/2023] [Accepted: 06/12/2023] [Indexed: 07/23/2023]
Abstract
Chitin deacetylase (CDA) catalyzing the deacetylation of crystal chitin is a crucial step in the biosynthesis of chitosan, and also a scientific problem to be solved, which restricts the high-value utilization of chitin resources. This study aims to improve the catalytic efficiency of AsCDA from Acinetobacter schindleri MCDA01 by a semi-rational design using alanine scanning mutagenesis and saturation mutagenesis. The quadruple mutant M11 displayed a 2.31 and 1.73-fold improvement in kcat/Km and specific activity over AsCDA, which can remove 68 % of the acetyl groups from α-chitin. Furthermore, structural analysis suggested that additional hydrogen bonds, contributing the flexibility of amino acids and increasing the negative charge in M11 increased the catalytic efficiency. The microstructure changes of α-chitin pretreated by the mutant M11 were observed and evaluated using 13C CP/MAS NMR spectroscopy, FT-IR spectroscopy, XRD and SEM, and the results showed that M11 more efficiently catalyzed the release of acetyl groups from α-chitin. This study would provide a theoretical basis for the molecular modification of CDAs and accelerate the process of industrial production of chitosan by CDAs.
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Affiliation(s)
- Guang Yang
- College of Food Science and Engineering, Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China; Jiangsu Marine Resources Development Research Institute, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Zhihong Hu
- College of Food Science and Engineering, Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Yuhan Wang
- College of Food Science and Engineering, Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Hongjuan Mo
- College of Food Science and Engineering, Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Shu Liu
- College of Food Science and Engineering, Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China; Jiangsu Marine Resources Development Research Institute, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xiaoyue Hou
- College of Food Science and Engineering, Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China; Jiangsu Marine Resources Development Research Institute, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xudong Wu
- College of Food Science and Engineering, Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Hong Jiang
- College of Food Science and Engineering, Ocean University of China, Qingdao 266003, China.
| | - Yaowei Fang
- College of Food Science and Engineering, Jiangsu Key Laboratory of Marine Bioresources and Environment, Co-Innovation Center of Jiangsu Marine Bio-industry Technology, Jiangsu Ocean University, Lianyungang 222005, China; Jiangsu Marine Resources Development Research Institute, Jiangsu Ocean University, Lianyungang 222000, China; Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China.
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6
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Feng H, Wang Z, Sajab MS, Abdul PM, Ding G. A novel chitinous nanoparticles prepared and characterized with black soldier fly (Hermetia illucens L.) using steam flash explosion treatment. Int J Biol Macromol 2023; 230:123210. [PMID: 36639077 DOI: 10.1016/j.ijbiomac.2023.123210] [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: 10/22/2022] [Revised: 01/05/2023] [Accepted: 01/06/2023] [Indexed: 01/11/2023]
Abstract
This is the first report of the use of steam flash explosion (SFE) to prepare chitinous nanoparticles from black soldier fly (BSF). SFE treatment was performed at a steam pressure of 0.45 to 1.60 MPa with a holding time of 60 s. As the pressure increased, the particle size of the chitinous particles decreased. Under SFE at 1.60 MPa, chitinous nanoparticles with sizes ranging from 59 to 162 nm were produced. SEM, AFM, Raman spectroscopy, FT-IR spectroscopy, 1H NMR, TGA, and DSC were used to characterize the BSF chitin materials. It was demonstrated that SFE treatment deacetylated chitin to obtain chitosan with 91.24 % deacetylation. In addition, the polymer backbone was maintained, and the degree of polymerization of chitosan nanoparticles was reduced. The activity of the cationic groups of chitosan nanoparticles was improved, thereby enhancing the temperature sensitivity of the polymeric material. It can be concluded that the SFE one-step processing method is a simple and efficient way to prepare homogeneous biomaterial nanoparticles. This study has implications for the development of chitosan nanomaterials for biomedical applications.
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Affiliation(s)
- Haiyue Feng
- Key Laboratory of Biotechnology and Bioengineering of State Ethnic Affairs Commission, Biomedical Research Center, Northwest Minzu University, Lanzhou 730030, PR China; College of Life Science and Engineering, Northwest Minzu University, Lanzhou 730030, PR China
| | - Zifan Wang
- Key Laboratory of Biotechnology and Bioengineering of State Ethnic Affairs Commission, Biomedical Research Center, Northwest Minzu University, Lanzhou 730030, PR China; Engineering Research Center of Key Technology and Industrialization of Cell-based Vaccine, Ministry of Education, Lanzhou 730030, PR China; Gausu Tech Innovation Center of Animal, Northwest Minzu University, Lanzhou 730030, PR China; China-Malaysia National Joint Laboratory, Northwest Minzu University, Lanzhou 730030, PR China
| | - Mohd Shaiful Sajab
- Research Center for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia; Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
| | - Peer Mohamed Abdul
- Research Center for Sustainable Process Technology (CESPRO), Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia; Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
| | - Gongtao Ding
- Key Laboratory of Biotechnology and Bioengineering of State Ethnic Affairs Commission, Biomedical Research Center, Northwest Minzu University, Lanzhou 730030, PR China; Engineering Research Center of Key Technology and Industrialization of Cell-based Vaccine, Ministry of Education, Lanzhou 730030, PR China; Gausu Tech Innovation Center of Animal, Northwest Minzu University, Lanzhou 730030, PR China; China-Malaysia National Joint Laboratory, Northwest Minzu University, Lanzhou 730030, PR China.
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Chitinase-Assisted Bioconversion of Chitinous Waste for Development of Value-Added Chito-Oligosaccharides Products. BIOLOGY 2023; 12:biology12010087. [PMID: 36671779 PMCID: PMC9855443 DOI: 10.3390/biology12010087] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/25/2022] [Accepted: 12/29/2022] [Indexed: 01/07/2023]
Abstract
Chito-oligosaccharides (COSs) are the partially hydrolyzed products of chitin, which is abundant in the shells of crustaceans, the cuticles of insects, and the cell walls of fungi. These oligosaccharides have received immense interest in the last few decades due to their highly promising bioactivities, such as their anti-microbial, anti-tumor, and anti-inflammatory properties. Regarding environmental concerns, COSs are obtained by enzymatic hydrolysis by chitinase under milder conditions compared to the typical chemical degradation. This review provides updated information about research on new chitinase derived from various sources, including bacteria, fungi, plants, and animals, employed for the efficient production of COSs. The route to industrialization of these chitinases and COS products is also described.
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Chitin, Chitosan, and Nanochitin: Extraction, Synthesis, and Applications. Polymers (Basel) 2022; 14:polym14193989. [PMID: 36235937 PMCID: PMC9571330 DOI: 10.3390/polym14193989] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/15/2022] [Accepted: 09/20/2022] [Indexed: 11/24/2022] Open
Abstract
Crustacean shells are a sustainable source of chitin. Extracting chitin from crustacean shells is ongoing research, much of which is devoted to devising a sustainable process that yields high-quality chitin with minimal waste. Chemical and biological methods have been used extensively for this purpose; more recently, methods based on ionic liquids and deep eutectic solvents have been explored. Extracted chitin can be converted into chitosan or nanochitin. Once chitin is obtained and modified into the desired form, it can be used in a wide array of applications, including as a filler material, in adsorbents, and as a component in biomaterials, among others. Describing the extraction of chitin, synthesis of chitosan and nanochitin, and applications of these materials is the aim of this review. The first section of this review summarizes and compares common chitin extraction methods, highlighting the benefits and shortcomings of each, followed by descriptions of methods to convert chitin into chitosan and nanochitin. The second section of this review discusses some of the wide range of applications of chitin and its derivatives.
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Yang G, Wang Y, Fang Y, An J, Hou X, Lu J, Zhu R, Liu S. A Novel Potent Crystalline Chitin Decomposer: Chitin Deacetylase from Acinetobacter schindleri MCDA01. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27165345. [PMID: 36014581 PMCID: PMC9416191 DOI: 10.3390/molecules27165345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 11/16/2022]
Abstract
Chitosan is a functional ingredient that is widely used in food chemistry as an emulsifier, flocculant, antioxidant, or preservative. Chitin deacetylases (CDAs) can catalyze the hydrolysis of acetyl groups, making them useful in the clean production of chitosan. However, the high inactivity of crystalline chitin catalyzed by CDAs has been regarded as the technical bottleneck of crystalline chitin deacetylation. Here, we mined the AsCDA gene from the genome of Acinetobacter schindleri MCDA01 and identified a member of the uraD_N-term-dom superfamily, which was a novel chitin deacetylase with the highest deacetylation activity. The AsCDA gene was expressed in Escherichia coli BL21 by IPTG induction, whose activity to colloidal chitin, α-chitin, and β-chitin reached 478.96 U/mg, 397.07 U/mg, and 133.27 U/mg, respectively. In 12 h, the enzymatic hydrolysis of AsCDA removed 63.05% of the acetyl groups from α-chitin to prepare industrial chitosan with a degree of deacetylation higher than 85%. AsCDA, as a potent chitin decomposer in the production of chitosan, plays a positive role in the upgrading of the chitosan industry and the value-added utilization of chitin biological resources.
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Affiliation(s)
- Guang Yang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Marine Resources Development Research Institute, Jiangsu Ocean University, Lianyungang 222000, China
- College of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Yuhan Wang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
- College of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Yaowei Fang
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Marine Resources Development Research Institute, Jiangsu Ocean University, Lianyungang 222000, China
- College of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Jia An
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
- College of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xiaoyue Hou
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Marine Resources Development Research Institute, Jiangsu Ocean University, Lianyungang 222000, China
- College of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Jing Lu
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Marine Resources Development Research Institute, Jiangsu Ocean University, Lianyungang 222000, China
- College of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Rongjun Zhu
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
- College of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
| | - Shu Liu
- Jiangsu Key Laboratory of Marine Bioresources and Environment, Jiangsu Ocean University, Lianyungang 222005, China
- Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
- Jiangsu Marine Resources Development Research Institute, Jiangsu Ocean University, Lianyungang 222000, China
- College of Food Science and Engineering, Jiangsu Ocean University, Lianyungang 222005, China
- Correspondence: ; Tel./Fax: +86-05-15861246008
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Green and eco-friendly approaches for the extraction of chitin and chitosan: A review. Carbohydr Polym 2022; 287:119349. [DOI: 10.1016/j.carbpol.2022.119349] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 03/09/2022] [Accepted: 03/09/2022] [Indexed: 12/20/2022]
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11
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Guo M, Wei X, Chen S, Xiao J, Huang D. Enhancing nonspecific enzymatic hydrolysis of chitin to oligosaccharides pretreated by acid and green solvents under simultaneous microwave-radiation. Int J Biol Macromol 2022; 209:631-641. [PMID: 35413325 DOI: 10.1016/j.ijbiomac.2022.04.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 03/13/2022] [Accepted: 04/04/2022] [Indexed: 11/05/2022]
Abstract
It is hard to degrade untreated highly crystalline chitin. In this study, two solvents pretreatment chitin (acid swollen chitin (AC), super fine chitin (FC)) and microwave-heating method were used to enhance nonspecific enzymatic hydrolysis (lysozyme and pepsin), which obviously improved the enzymolysis rates by at least 1.31 times. Characterizations of chitin substrates (Mv, SEM, XRD) showed that calcium solvent pretreatment (obtained FC) was milder but effective than phosphoric acid pretreatment (obtained AC). The highest yield of chitin oligosaccharides (37.58 mg/g) were obtained after hydrolyzing AC under five-hour simultaneous microwave radiation by pepsin, among them, the content of N-acetylglucosamine was 13.76 mg/g. While, more chitin oligosaccharides with DP (degree of polymerization) 3-4 and lower DA (degree of acetylation) were obtained when using lysozyme than pepsin. Significantly, the conversion rate of chitin to oligosaccharides went best only when microwave and enzymes acting together (simultaneous strategy), which were at least 35.59% higher than separately pretreatment enzymes and substrates by microwave. The damages of microwave radiation on lysozyme and chitin substrates were revealed, and the operating principle of the whole enzyme reaction system heated by microwave was preliminatively explored.
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Affiliation(s)
- Mengyuan Guo
- College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Xunfan Wei
- College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Sicong Chen
- College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Jinhua Xiao
- College of Life Sciences, Nankai University, Tianjin 300071, China.
| | - Dawei Huang
- College of Life Sciences, Nankai University, Tianjin 300071, China.
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12
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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: 84] [Impact Index Per Article: 42.0] [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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Kostag M, El Seoud OA. Sustainable biomaterials based on cellulose, chitin and chitosan composites - A review. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2021. [DOI: 10.1016/j.carpta.2021.100079] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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14
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da S. Pereira A, Souza CPL, Moraes L, Fontes-Sant’Ana GC, Amaral PFF. Polymers as Encapsulating Agents and Delivery Vehicles of Enzymes. Polymers (Basel) 2021; 13:polym13234061. [PMID: 34883565 PMCID: PMC8659040 DOI: 10.3390/polym13234061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/12/2021] [Accepted: 11/13/2021] [Indexed: 01/15/2023] Open
Abstract
Enzymes are versatile biomolecules with broad applications. Since they are biological molecules, they can be easily destabilized when placed in adverse environmental conditions, such as variations in temperature, pH, or ionic strength. In this sense, the use of protective structures, as polymeric capsules, has been an excellent approach to maintain the catalytic stability of enzymes during their application. Thus, in this review, we report the use of polymeric materials as enzyme encapsulation agents, recent technological developments related to this subject, and characterization methodologies and possible applications of the formed bioactive structures. Our search detected that the most explored methods for enzyme encapsulation are ionotropic gelation, spray drying, freeze-drying, nanoprecipitation, and electrospinning. α-chymotrypsin, lysozyme, and β-galactosidase were the most used enzymes in encapsulations, with chitosan and sodium alginate being the main polymers. Furthermore, most studies reported high encapsulation efficiency, enzyme activity maintenance, and stability improvement at pH, temperature, and storage. Therefore, the information presented here shows a direction for the development of encapsulation systems capable of stabilizing different enzymes and obtaining better performance during application.
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Affiliation(s)
- Adejanildo da S. Pereira
- Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (A.d.S.P.); (C.P.L.S.); (L.M.)
| | - Camila P. L. Souza
- Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (A.d.S.P.); (C.P.L.S.); (L.M.)
| | - Lidiane Moraes
- Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (A.d.S.P.); (C.P.L.S.); (L.M.)
| | - Gizele C. Fontes-Sant’Ana
- Biochemical Processes Technology Department, Chemistry Institute, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20550-013, Brazil;
| | - Priscilla F. F. Amaral
- Escola de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-909, Brazil; (A.d.S.P.); (C.P.L.S.); (L.M.)
- Correspondence: ; Tel.: +55-21-3938-7623
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15
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Ma Q, Gao X, Tu L, Han Q, Zhang X, Guo Y, Yan W, Shen Y, Wang M. Enhanced Chitin Deacetylase Production Ability of Rhodococcus equi CGMCC14861 by Co-culture Fermentation With Staphylococcus sp. MC7. Front Microbiol 2020; 11:592477. [PMID: 33362742 PMCID: PMC7758288 DOI: 10.3389/fmicb.2020.592477] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 11/19/2020] [Indexed: 11/13/2022] Open
Abstract
Chitin deacetylase (CDA) can hydrolyze the acetamido group of chitin polymers and its deacetylated derivatives to produce chitosan, an industrially important biopolymer. Compared with traditional chemical methods, biocatalysis by CDA is more environment-friendly and easy to control. However, most reported CDA-producing microbial strains show low CDA producing capabilities. Thus, the enhancement of CDA production has always been a challenge. In this study, we report co-culture fermentation to significantly promote the CDA production of Rhodococcus equi CGMCC14861 chitin deacetylase (ReCDA). Due to co-culture fermentation with Staphylococcus sp. MC7, ReCDA yield increased to 21.74 times that of pure culture of R. equi. Additionally, the enhancement was demonstrated to be cell-independent by adding cell-free extracts and the filtrate obtained by 10 kDa ultrafiltration of Staphylococcus sp. MC7. By preliminary characterization, we found extracellular, thermosensitive signal substances produced by Staphylococcus that were less than 10 kDa. We investigated the mechanism of promotion of ReCDA production by transcriptomic analysis. The data showed that 328 genes were upregulated and 1,258 genes were downregulated. The transcription level of the gene encoding ReCDA increased 2.3-fold. These findings provide new insights into the research of co-culture fermentation for the production of CDA and quorum sensing regulation.
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Affiliation(s)
- Qinyuan Ma
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Lab of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
- School of Life Sciences, Shandong University of Technology, Zibo, China
| | - Xiuzhen Gao
- School of Life Sciences, Shandong University of Technology, Zibo, China
| | - Linna Tu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Lab of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Qi Han
- School of Science, College of Science, Engineering and Health, RMIT University, Melbourne, VIC, Australia
| | - Xing Zhang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Lab of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Yabo Guo
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Lab of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Wenqin Yan
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Lab of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Yanbing Shen
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Lab of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
| | - Min Wang
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Key Lab of Industrial Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, China
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Dhakshinamoorthy A, Jacob M, Vignesh NS, Varalakshmi P. Pristine and modified chitosan as solid catalysts for catalysis and biodiesel production: A minireview. Int J Biol Macromol 2020; 167:807-833. [PMID: 33144253 DOI: 10.1016/j.ijbiomac.2020.10.216] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/05/2020] [Accepted: 10/27/2020] [Indexed: 12/20/2022]
Abstract
Chitosan is one of the readily available polymers with relatively high abundance, biodegradable and sustainable materials with divergent functional groups that are employed in broad range of applications. Chitosan is widely used in many fields like adsorption, drug carrier for therapeutic activity, environmental remediation, drug formulation and among others. One of the unique features of chitosan is that it can be transformed to other forms like beads, films, flakes, sponges and fibres depending upon the applications. This review is aimed at showing the potential applications of chitosan and its modified solids in organic transformations. The number of existing articles is organized based on the nature of materials and subsequently with the types of reactions. After a brief description on the structural features of chitosan, properties, characterization methods including various analytical/microscopic techniques and some of the best practices to be followed in catalysis are also discussed. The next section of this review describes the catalytic activity of native chitosan without any modifications while the subsequent sections provide the catalytic activity of chitosan derivatives, chitosan covalently modified with metal complexes/salts through linkers and chitosan as support for metal nanoparticles (NPs). These sections discuss number of organic reactions that include Knoevenagel condensation, oxidation, reduction, heterocycles synthesis, cross-coupling reactions and pollutant degradation among others. A separate section provides the catalytic applications of chitosan and its modified forms for the production of fatty acid methyl esters (FAME) through esterification/transesterification reactions. The final section summarizes our views on the future directions of this field in the coming years.
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Affiliation(s)
| | - Manju Jacob
- Department of Advanced Zoology and Biotechnology, Loyola College, Chennai 600 034, Tamil Nadu, India
| | - Nagamalai Sakthi Vignesh
- Department of Molecular Microbiology, School of Biotechnology, Madurai Kamaraj University, Madurai, Tamil Nadu 625021, India
| | - Perumal Varalakshmi
- Department of Molecular Microbiology, School of Biotechnology, Madurai Kamaraj University, Madurai, Tamil Nadu 625021, India
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Morais ES, Lopes AMDC, Freire MG, Freire CSR, Coutinho JAP, Silvestre AJD. Use of Ionic Liquids and Deep Eutectic Solvents in Polysaccharides Dissolution and Extraction Processes towards Sustainable Biomass Valorization. Molecules 2020; 25:E3652. [PMID: 32796649 PMCID: PMC7465760 DOI: 10.3390/molecules25163652] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/04/2020] [Accepted: 08/06/2020] [Indexed: 12/14/2022] Open
Abstract
A shift to a bioeconomy development model has been evolving, conducting the scientific community to investigate new ways of producing chemicals, materials and fuels from renewable resources, i.e., biomass. Specifically, technologies that provide high performance and maximal use of biomass feedstocks into commodities with reduced environmental impact have been highly pursued. A key example comprises the extraction and/or dissolution of polysaccharides, one of the most abundant fractions of biomass, which still need to be improved regarding these processes' efficiency and selectivity parameters. In this context, the use of alternative solvents and the application of less energy-intensive processes in the extraction of polysaccharides might play an important role to reach higher efficiency and sustainability in biomass valorization. This review debates the latest achievements in sustainable processes for the extraction of polysaccharides from a myriad of biomass resources, including lignocellulosic materials and food residues. Particularly, the ability of ionic liquids (ILs) and deep eutectic solvents (DESs) to dissolve and extract the most abundant polysaccharides from natural sources, namely cellulose, chitin, starch, hemicelluloses and pectins, is scrutinized and the efficiencies between solvents are compared. The interaction mechanisms between solvent and polysaccharide are described, paving the way for the design of selective extraction processes. A detailed discussion of the work developed for each polysaccharide as well as the innovation degree and the development stage of dissolution and extraction technologies is presented. Their advantages and disadvantages are also identified, and possible synergies by integrating microwave- and ultrasound-assisted extraction (MAE and UAE) or a combination of both (UMAE) are briefly described. Overall, this review provides key information towards the design of more efficient, selective and sustainable extraction and dissolution processes of polysaccharides from biomass.
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Affiliation(s)
| | | | | | | | | | - Armando J. D. Silvestre
- Department of Chemistry, CICECO—Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal; (E.S.M.); (A.M.d.C.L.); (M.G.F.); (C.S.R.F.); (J.A.P.C.)
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Recent developments in chitosan encapsulation of various active ingredients for multifunctional applications. Carbohydr Res 2020; 492:108004. [DOI: 10.1016/j.carres.2020.108004] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 03/16/2020] [Accepted: 04/03/2020] [Indexed: 01/08/2023]
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