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Wang Z, Zheng Y, Hu Y, Yang L, Liu X, Zhao R, Gao M, Li Z, Feng Y, Xu Y, Li N, Yang J, Wang Q, An L. Improvement of antibacterial activity of polysaccharides via chemical modification: A review. Int J Biol Macromol 2024; 269:132163. [PMID: 38729490 DOI: 10.1016/j.ijbiomac.2024.132163] [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: 01/30/2024] [Revised: 04/16/2024] [Accepted: 05/05/2024] [Indexed: 05/12/2024]
Abstract
Antibiotic residue and bacterial resistance induced by antibiotic abuse have seriously threatened food safety and human healthiness. Thus, the development and application of safe, high-efficiency, and environmentally friendly antibiotic alternatives are urgently necessary. Apart from antitumor, antivirus, anti-inflammatory, gut microbiota regulation, immunity improvement, and growth promotion activities, polysaccharides also have antibacterial activity, but such activity is relatively low, which cannot satisfy the requirements of food preservation, clinical sterilization, livestock feeding, and agricultural cultivation. Chemical modification not only provides polysaccharides with better antibacterial activity, but also promotes easy operation and large-scale production. Herein, the enhancement of the antibacterial activity of polysaccharides via acetylation, sulfation, phosphorylation, carboxymethylation, selenation, amination, acid graft, and other chemical modifications is reviewed. Meanwhile, a new trend on the application of loading chemically modified polysaccharides into nanostructures is discussed. Furthermore, possible limitations and future recommendations for the development and application of chemically modified polysaccharides with better antibacterial activity are suggested.
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Affiliation(s)
- Zichao Wang
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Yi Zheng
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Yiwei Hu
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Libo Yang
- School of Landscape and Ecological Engineering, Hebei University of Engineering, 19 Taiji Road, Handan, Hebei 056038, China.
| | - Xirui Liu
- School of Foreign Languages, Henan University of Technology, Zhengzhou 450001, China
| | - Renyong Zhao
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China
| | - Minjie Gao
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Zhitao Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, Jiangnan University, Wuxi 214122, China
| | - Yingjie Feng
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China
| | - Yongming Xu
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China
| | - Na Li
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Jinchu Yang
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China.
| | - Qi Wang
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China.
| | - Lemei An
- Department of Rheumatology and Clinical Immunology, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, China.
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Torres C, Valerio O, Mendonça RT, Pereira M. Influence of chitosan protonation degree in nanofibrillated cellulose/chitosan composite films and their morphological, mechanical, and surface properties. Int J Biol Macromol 2024; 267:131587. [PMID: 38631587 DOI: 10.1016/j.ijbiomac.2024.131587] [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: 10/25/2023] [Revised: 03/25/2024] [Accepted: 04/11/2024] [Indexed: 04/19/2024]
Abstract
Composite films of nanofibrillated cellulose (NFC) and chitosan (CS) were prepared by spray deposition method, and the influence of polymers ratio and protonation degree (α) of chitosan was evaluated. Films were characterized using morphological, mechanical, and surface techniques. Higher NFC content increased Young's modulus of film composites and reduced air permeability, while higher CS content increased water contact angle. Variations in the degree of protonation of chitosan from non-protonated (α = 0) to fully protonated (α = 1) in the NFC/CS composite film with a fixed composition allowed to modulate surface, mechanical, and structural properties, such as water contact angle (31.3-109.2°), Young's modulus (1.7-5.3 GPa), elongation at break (3.1-1.2 %), oxygen transmission rate (9.0-5.5 cm3/m2day) and air permeability (2074-426 s). Highly protonated chitosan composite films showed similar contact angles to pure chitosan films, while low protonated chitosan composite films presented contact angles similar to pure NFC films, suggesting a possible coating effect of NFC by CS through electrostatic interactions, evidenced by microscopy and spectroscopy analysis. By mixing both polymers and adjusting composition and protonation degree it was possible to enhance their properties, making pH adjustment a useful tool for NFC/CS composite films formation.
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Affiliation(s)
- Camilo Torres
- Departamento de Ingeniería Química, Facultad de Ingeniería, Universidad de Concepción, Concepción 4030000, Chile; Facultad de Ciencias Forestales, Universidad de Concepción, Concepción 4030000, Chile
| | - Oscar Valerio
- Departamento de Ingeniería Química, Facultad de Ingeniería, Universidad de Concepción, Concepción 4030000, Chile
| | - Regis Teixeira Mendonça
- Facultad de Ciencias Forestales, Universidad de Concepción, Concepción 4030000, Chile; Centro de Biotecnología, Universidad de Concepción, Concepción 4030000, Chile
| | - Miguel Pereira
- Departamento de Ingeniería Química, Facultad de Ingeniería, Universidad de Concepción, Concepción 4030000, Chile; Unidad de Desarrollo Tecnológico (UDT), Universidad de Concepción, Coronel 4190000, Chile.
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Efiana NA, Kali G, Fürst A, Dizdarević A, Bernkop-Schnürch A. Betaine-modified hydroxyethyl cellulose (HEC): A biodegradable mucoadhesive polysaccharide exhibiting quaternary ammonium substructures. Eur J Pharm Sci 2023; 180:106313. [PMID: 36307016 DOI: 10.1016/j.ejps.2022.106313] [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: 08/24/2022] [Revised: 10/23/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022]
Abstract
The aim of this study was to improve the mucoadhesive properties of hydroxyethyl cellulose (HEC) via the covalent attachment of betaine. Synthesis was carried out through esterification of HEC utilizing N-chlorobetainyl chloride. Betaine-modified HEC was characterized via FTIR and NMR analyses, ester quantification and zeta potential measurements. Enzymatic degradation and cell viability were also investigated. Moreover, rheological and mucoadhesive properties were evaluated. FTIR and NMR analyses confirmed the covalent attachment of betaine to HEC. Betaine-modified HEC contained 228.45±11.63 µmol/g ester bonds and its zeta potential was 0.37±0.19 mV. Enzymatic degradation studies showed the ability of lipase to cleave off betaine from HEC. Cytotoxicity studies demonstrated that betaine-modified HEC is up to a concentration of 0.3% not toxic. In comparison to unmodified HEC, betaine-modified HEC showed with mucus a 2.3- and 4-fold higher viscosity within 3 h and 6 h, respectively. Furthermore, betaine-modified HEC exhibited 23.5-fold higher mucoadhesive properties on porcine intestinal mucosa compared to unmodified HEC. In conclusion, betaine-modified HEC might be a useful biodegradable mucoadhesive polymer.
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Affiliation(s)
- Nuri Ari Efiana
- Department of Pharmaceutical Technology, Center for Chemistry and Biomedicine, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 4th floor, Innsbruck A-6020, Austria; Department of Pharmaceutical Technology, Faculty of Pharmacy, Universitas Ahmad Dahlan, Jl. Prof. Dr. Soepomo, S.H., Janturan, Warungboto, Umbulharjo, Yogyakarta 55164, Indonesia
| | - Gergely Kali
- Department of Pharmaceutical Technology, Center for Chemistry and Biomedicine, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 4th floor, Innsbruck A-6020, Austria
| | - Andrea Fürst
- Department of Pharmaceutical Technology, Center for Chemistry and Biomedicine, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 4th floor, Innsbruck A-6020, Austria
| | - Aida Dizdarević
- Department of Pharmaceutical Technology, Center for Chemistry and Biomedicine, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 4th floor, Innsbruck A-6020, Austria
| | - Andreas Bernkop-Schnürch
- Department of Pharmaceutical Technology, Center for Chemistry and Biomedicine, Institute of Pharmacy, University of Innsbruck, Innrain 80-82, 4th floor, Innsbruck A-6020, Austria.
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Burgos-Díaz C, Opazo-Navarrete M, Palacios JL, Verdugo L, Anguita-Barrales F, Bustamante M. Food-grade bioactive ingredient obtained from the Durvillaea incurvata brown seaweed: Antibacterial activity and antioxidant activity. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Zhao Z, Zhang J, Tong J, Yang C, Deng H, Du Y, Shi X. Ultra-low protein residue of chitosan by one step H2O2 and sodium dodecyl sulfate treatment. Int J Biol Macromol 2022; 222:2977-2986. [DOI: 10.1016/j.ijbiomac.2022.10.073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 09/15/2022] [Accepted: 10/08/2022] [Indexed: 11/05/2022]
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Chen Y, Chen H, Gong F, Yang F, Jiang Q, Xu Y, Xia W. A comparison of eating safety and quality of live and dead freshwater crayfish (Procambarus clarkii) at different stages. Food Res Int 2022; 159:111630. [DOI: 10.1016/j.foodres.2022.111630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/30/2022] [Accepted: 07/05/2022] [Indexed: 11/04/2022]
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Comparative Study of Food-Grade Pickering Stabilizers Obtained from Agri-Food Byproducts: Chemical Characterization and Emulsifying Capacity. Foods 2022; 11:foods11162514. [PMID: 36010516 PMCID: PMC9407277 DOI: 10.3390/foods11162514] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/08/2022] [Accepted: 08/16/2022] [Indexed: 11/16/2022] Open
Abstract
Natural Pickering emulsions are gaining popularity in several industrial fields, especially in the food industry and plant-based alternative sector. Therefore, the objective of this study was to characterize and compare six agri-food wastes/byproducts (lupin hull, canola press-cake, lupin byproduct, camelina press-cake, linseed hull, and linseed press-cake) as potential sources of food-grade Pickering stabilizers. The results showed that all samples contained surface-active agents such as proteins (46.71-17.90 g/100 g) and dietary fiber (67.10-38.58 g/100 g). Canola press-cake, camelina press-cake, and linseed hull exhibited the highest concentrations of polyphenols: 2891, 2549, and 1672 mg GAE/100 g sample, respectively. Moreover, the agri-food byproduct particles presented a partial wettability with a water contact angle (WCA) between 77.5 and 42.2 degrees, and they were effective for stabilizing oil-in-water (O/W) emulsions. The emulsions stabilized by Camelina press-cake, lupin hull, and lupin by-product (≥3.5%, w/w) were highly stable against creaming during 45 days of storage. Furthermore, polarized and confocal microscopy revealed that the particles were anchored to the interfaces of oil droplets, which is a demonstration of the formation of a Pickering emulsion stabilized by solid particles. These results suggest that agri-food wastes/byproducts are good emulsifiers that can be applied to produce stable Pickering emulsions.
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