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Pimcharoen K, Opaprakasit P, Yingchutrakul Y, Simanon N, Butkinaree C, Yuttayong D, Hompa R, Vayachuta L, Prompinit P. Bromelain Immobilized onto Clay-Carboxymethylcellulose Composites for Improving Nutritive Value of Soybean Meal. ACS APPLIED BIO MATERIALS 2024. [PMID: 39021071 DOI: 10.1021/acsabm.4c00392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Improvement of nutritional value and reduction of antinutritional factors (ANFs) of soybean meal (SBM) for animal feed applications could be achieved by using bromelain immobilized onto bentonite (Bt)-carboxymethylcellulose (CMC) composites. The composite with mass ratio between CMC to calcium ion (Ca2+) at 1:20 provided the highest enzyme activity, immobilization yield higher than 95%, with superior thermal and storage stabilities. Performance of the immobilized bromelain for soybean protein hydrolysis was further studied. The results showed that at 60 °C, the immobilized bromelain exhibited the highest efficiency in enzymatic hydrolysis to release free alpha amino nitrogen (FAN) as a product with high selectivity and to effectively reduce SBM allergenic proteins within 30 min. In conclusion, immobilization of bromelain onto Bt-CMC composites leads to stability enhancement of the enzyme, enabling effective improvement in SBM quality in a short treatment time and showing great potential for application in animal feed industries.
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Affiliation(s)
- Kanlayanit Pimcharoen
- School of Integrated Science and Innovation, Sirindhorn International Institute of Technology (SIIT), Thammasat University, Pathum Thani 12121, Thailand
| | - Pakorn Opaprakasit
- School of Integrated Science and Innovation, Sirindhorn International Institute of Technology (SIIT), Thammasat University, Pathum Thani 12121, Thailand
| | - Yodying Yingchutrakul
- National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Nattapon Simanon
- National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Chutikarn Butkinaree
- National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Darawan Yuttayong
- Aquatic Animal Feed Research and Development Division, Department of Fisheries, Ministry of Agriculture and Cooperatives, Bangkok 10900, Thailand
| | - Ramawadee Hompa
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Lapporn Vayachuta
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
| | - Panida Prompinit
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Khlong Luang, Pathum Thani 12120, Thailand
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Revutskaya N, Polishchuk E, Kozyrev I, Fedulova L, Krylova V, Pchelkina V, Gustova T, Vasilevskaya E, Karabanov S, Kibitkina A, Kupaeva N, Kotenkova E. Application of Natural Functional Additives for Improving Bioactivity and Structure of Biopolymer-Based Films for Food Packaging: A Review. Polymers (Basel) 2024; 16:1976. [PMID: 39065293 PMCID: PMC11280963 DOI: 10.3390/polym16141976] [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: 05/24/2024] [Revised: 07/03/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
The global trend towards conscious consumption plays an important role in consumer preferences regarding both the composition and quality of food and packaging materials, including sustainable ones. The development of biodegradable active packaging materials could reduce both the negative impact on the environment due to a decrease in the use of oil-based plastics and the amount of synthetic preservatives. This review discusses relevant functional additives for improving the bioactivity of biopolymer-based films. Addition of plant, microbial, animal and organic nanoparticles into bio-based films is discussed. Changes in mechanical, transparency, water and oxygen barrier properties are reviewed. Since microbial and oxidative deterioration are the main causes of food spoilage, antimicrobial and antioxidant properties of natural additives are discussed, including perspective ones for the development of biodegradable active packaging.
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Affiliation(s)
- Natalia Revutskaya
- Department of Scientific, Applied and Technological Developments, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (N.R.); (I.K.); (V.K.); (T.G.)
| | - Ekaterina Polishchuk
- Experimental Clinic and Research Laboratory for Bioactive Substances of Animal Origin, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (E.P.); (L.F.); (V.P.); (E.V.); (S.K.); (A.K.); (N.K.)
| | - Ivan Kozyrev
- Department of Scientific, Applied and Technological Developments, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (N.R.); (I.K.); (V.K.); (T.G.)
| | - Liliya Fedulova
- Experimental Clinic and Research Laboratory for Bioactive Substances of Animal Origin, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (E.P.); (L.F.); (V.P.); (E.V.); (S.K.); (A.K.); (N.K.)
| | - Valentina Krylova
- Department of Scientific, Applied and Technological Developments, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (N.R.); (I.K.); (V.K.); (T.G.)
| | - Viktoriya Pchelkina
- Experimental Clinic and Research Laboratory for Bioactive Substances of Animal Origin, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (E.P.); (L.F.); (V.P.); (E.V.); (S.K.); (A.K.); (N.K.)
| | - Tatyana Gustova
- Department of Scientific, Applied and Technological Developments, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (N.R.); (I.K.); (V.K.); (T.G.)
| | - Ekaterina Vasilevskaya
- Experimental Clinic and Research Laboratory for Bioactive Substances of Animal Origin, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (E.P.); (L.F.); (V.P.); (E.V.); (S.K.); (A.K.); (N.K.)
| | - Sergey Karabanov
- Experimental Clinic and Research Laboratory for Bioactive Substances of Animal Origin, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (E.P.); (L.F.); (V.P.); (E.V.); (S.K.); (A.K.); (N.K.)
| | - Anastasiya Kibitkina
- Experimental Clinic and Research Laboratory for Bioactive Substances of Animal Origin, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (E.P.); (L.F.); (V.P.); (E.V.); (S.K.); (A.K.); (N.K.)
| | - Nadezhda Kupaeva
- Experimental Clinic and Research Laboratory for Bioactive Substances of Animal Origin, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (E.P.); (L.F.); (V.P.); (E.V.); (S.K.); (A.K.); (N.K.)
| | - Elena Kotenkova
- Experimental Clinic and Research Laboratory for Bioactive Substances of Animal Origin, V. M. Gorbatov Federal Research Center for Food Systems of the Russian Academy of Sciences, Talalikhina st., 26, 109316 Moscow, Russia; (E.P.); (L.F.); (V.P.); (E.V.); (S.K.); (A.K.); (N.K.)
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Chalella Mazzocato M, Jacquier JC. Recent Advances and Perspectives on Food-Grade Immobilisation Systems for Enzymes. Foods 2024; 13:2127. [PMID: 38998633 PMCID: PMC11241248 DOI: 10.3390/foods13132127] [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: 05/22/2024] [Revised: 06/27/2024] [Accepted: 07/01/2024] [Indexed: 07/14/2024] Open
Abstract
The use of enzyme immobilisation is becoming increasingly popular in beverage processing, as this method offers significant advantages, such as enhanced enzyme performance and expanded applications, while allowing for easy process termination via simple filtration. This literature review analysed approximately 120 articles, published on the Web of Science between 2000 and 2023, focused on enzyme immobilisation systems for beverage processing applications. The impact of immobilisation on enzymatic activity, including the effects on the chemical and kinetic properties, recyclability, and feasibility in continuous processes, was evaluated. Applications of these systems to beverage production, such as wine, beer, fruit juices, milk, and plant-based beverages, were examined. The immobilisation process effectively enhanced the pH and thermal stability but caused negative impacts on the kinetic properties by reducing the maximum velocity and Michaelis-Menten constant. However, it allowed for multiple reuses and facilitated continuous flow processes. The encapsulation also allowed for easy process control by simplifying the removal of the enzymes from the beverages via simple filtration, negating the need for expensive heat treatments, which could result in product quality losses.
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Affiliation(s)
- Marcella Chalella Mazzocato
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin (UCD), Belfield, D04 V1W8 Dublin, Ireland
| | - Jean-Christophe Jacquier
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin (UCD), Belfield, D04 V1W8 Dublin, Ireland
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Tacias-Pascacio VG, Castañeda-Valbuena D, Tavano O, Abellanas-Perez P, de Andrades D, Santiz-Gómez JA, Berenguer-Murcia Á, Fernandez-Lafuente R. A review on the immobilization of bromelain. Int J Biol Macromol 2024; 273:133089. [PMID: 38878936 DOI: 10.1016/j.ijbiomac.2024.133089] [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: 03/18/2024] [Revised: 05/21/2024] [Accepted: 06/09/2024] [Indexed: 06/24/2024]
Abstract
This review shows the endeavors performed to prepare immobilized formulations of bromelain extract, usually from pineapple, and their use in diverse applications. This extract has a potent proteolytic component that is based on thiol proteases, which differ depending on the location on the fruit. Stem and fruit are the areas where higher activity is found. The edible origin of this enzyme is one of the features that determines the applications of the immobilized bromelain to a more significant degree. The enzyme has been immobilized on a wide diversity of supports via different strategies (covalent bonds, ion exchange), and also forming ex novo solids (nanoflowers, CLEAs, trapping in alginate beads, etc.). The use of preexisting nanoparticles as immobilization supports is relevant, as this facilitates one of the main applications of the immobilized enzyme, in therapeutic applications (as wound dressing and healing components, antibacterial or anticancer, mucus mobility control, etc.). A curiosity is the immobilization of this enzyme on spores of probiotic microorganisms via adsorption, in order to have a perfect in vivo compatibility. Other outstanding applications of the immobilized enzyme are in the stabilization of wine versus haze during storage, mainly when immobilized on chitosan. Curiously, the immobilized bromelain has been scarcely applied in the production of bioactive peptides.
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Affiliation(s)
- Veymar G Tacias-Pascacio
- Facultad de Ciencias de la Nutrición y Alimentos, Universidad de Ciencias y Artes de Chiapas, Lib. Norte Pte. 1150, 29039 Tuxtla Gutiérrez, Chiapas, Mexico.
| | - Daniel Castañeda-Valbuena
- Facultad de Ciencias de la Nutrición y Alimentos, Universidad de Ciencias y Artes de Chiapas, Lib. Norte Pte. 1150, 29039 Tuxtla Gutiérrez, Chiapas, Mexico
| | - Olga Tavano
- Faculty of Nutrition, Alfenas Federal Univ., 700 Gabriel Monteiro da Silva St, Alfenas, MG 37130-000, Brazil
| | | | - Diandra de Andrades
- Departamento de Biocatálisis, ICP-CSIC, Campus UAM-CSIC, Madrid, Spain; Department of Biology, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-901, SP, Brazil
| | - José Alfredo Santiz-Gómez
- Tecnológico Nacional de México/Instituto Tecnológico de Tuxtla Gutiérrez, Carretera Panamericana Km. 1080, 29050 Tuxtla Gutiérrez, Chiapas, Mexico
| | - Ángel Berenguer-Murcia
- Departamento de Química Inorgánica e Instituto Universitario de Materiales, Universidad de Alicante, Alicante, Spain
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Azzouz A, Arus VA, Platon N. Role of Clay Substrate Molecular Interactions in Some Dairy Technology Applications. Int J Mol Sci 2024; 25:808. [PMID: 38255881 PMCID: PMC10815404 DOI: 10.3390/ijms25020808] [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: 12/05/2023] [Revised: 12/29/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
The use of clay materials in dairy technology requires a multidisciplinary approach that allows correlating clay efficiency in the targeted application to its interactions with milk components. For profitability reasons, natural clays and clay minerals can be used as low-cost and harmless food-compatible materials for improving key processes such as fermentation and coagulation. Under chemical stability conditions, clay materials can act as adsorbents, since anionic clay minerals such as hydrotalcite already showed effectiveness in the continuous removal of lactic acid via in situ anion exchange during fermentation and ex situ regeneration by ozone. Raw and modified bentonites and smectites have also been used as adsorbents in aflatoxin retention and as acidic species in milk acidification and coagulation. Aflatoxins and organophilic milk components, particularly non-charged caseins around their isoelectric points, are expected to display high affinity towards high silica regions on the clay surface. Here, clay interactions with milk components are key factors that govern adsorption and surface physicochemical processes. Knowledge about these interactions and changes in clay behavior according to the pH and chemical composition of the liquid media and, more importantly, clay chemical stability is an essential requirement for understanding process improvements in dairy technology, both upstream and downstream of milk production. The present paper provides a comprehensive review with deep analysis and synthesis of the main findings of studies in this area. This may be greatly useful for mastering milk processing efficiency and envisaging new prospects in dairy technology.
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Affiliation(s)
- Abdelkrim Azzouz
- NanoQam, Department of Chemistry, University of Quebec, Montréal, QC H3C 3P8, Canada
- Station Expérimentale des Procédés Pilotes Environnementaux (STEPPE), École de Technologie Supérieure, Montréal, QC H3C 1K3, Canada
| | - Vasilica Alisa Arus
- Catalysis and Microporous Materials Laboratory, Vasile-Alecsandri University of Bacau, 600115 Bacău, Romania; (V.A.A.); (N.P.)
| | - Nicoleta Platon
- Catalysis and Microporous Materials Laboratory, Vasile-Alecsandri University of Bacau, 600115 Bacău, Romania; (V.A.A.); (N.P.)
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Kaur G, Taggar MS, Kalia A. Cellulase-immobilized chitosan-coated magnetic nanoparticles for saccharification of lignocellulosic biomass. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:111627-111647. [PMID: 37280490 DOI: 10.1007/s11356-023-27919-w] [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: 12/20/2022] [Accepted: 05/22/2023] [Indexed: 06/08/2023]
Abstract
Devising and consolidating cost-effective and greener technologies for sustainable energy production pertain to some of the most pressing needs of the present times. Bioconversion of abundantly available lignocellulosic materials into fermentable sugars to produce biofuels involves the cost-extensive requirement of hydrolytic enzymes called cellulases. Cellulases are highly selective and eco-friendly biocatalysts responsible for deconstruction of complex polysaccharides into simple sugars. Currently, immobilization of cellulases is being carried out on magnetic nanoparticles functionalized with suitable biopolymers such as chitosan. Chitosan, a biocompatible polymer, exhibits high surface area, chemical/thermal stability, functionality, and reusability. The chitosan-functionalized magnetic nanocomposites (Ch-MNCs) present a nanobiocatalytic system that enables easy retrieval, separation, and recycling of cellulases, thereby offering a cost-effective and sustainable approach for biomass hydrolysis. These functional nanostructures show enormous potential owing to certain physicochemical and structural features that have been discussed in a comprehensive manner in this review. It provides an insight into the synthesis, immobilization, and application of cellulase immobilized Ch-MNCs for biomass hydrolysis. This review aims to bridge the gap between sustainable utilization and economic viability of employing replenishable agro-residues for cellulosic ethanol production by incorporating the recently emerging nanocomposite immobilization approach.
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Affiliation(s)
- Gurkanwal Kaur
- Department of Biochemistry, College of Basic Sciences & Humanities, Punjab Agricultural University, Ludhiana-141004, Punjab, India.
| | - Monica Sachdeva Taggar
- Department of Renewable Energy Engineering, College of Agricultural Engineering & Technology, Punjab Agricultural University, Ludhiana-141004, Punjab, India
| | - Anu Kalia
- Electron Microscopy and Nanoscience Laboratory, Department of Soil Science, College of Agriculture, Punjab Agricultural University, Ludhiana-141004, Punjab, India
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Hasanin MS, El Saied H, Morsy FA, Hassan Abdel Latif Rokbaa H. Green nanocoating-based polysaccharides decorated with ZnONPs doped Egyptian kaolinite for antimicrobial coating paper. Sci Rep 2023; 13:11461. [PMID: 37454158 PMCID: PMC10349886 DOI: 10.1038/s41598-023-38467-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 07/08/2023] [Indexed: 07/18/2023] Open
Abstract
Paper coating plays an important role in the paper properties, printability and application. The nanocoating is a multifunction layer that provides the paper with unique features. In this work, nanocoating formulas were prepared using a green method and component. The nanocoating formulas were based on biopolymers nanostarch NSt and nanochitosan NCh (NCS) decorated with Egyptian kaolinite Ka doped with zinc nanoparticles NCS@xka/ZnONPs (x represents different ratios) support for multifunctional uses. The nanocoating formulas were characterized using a physiochemical analysis as well as a topographical study. FTIR, XRD, SEM and TEM techniques were used. Additionally, the antimicrobial activity of the tested samples was assessed against six microorganisms including Gram-negative and Gram-positive bacteria. The prepared nanocoating formulas affirmed excellent antimicrobial activity as a broad-spectrum antimicrobial active agent with excellent activity against all representative microbial communities. The nanocoating with the highest ratio of Ka/ZnONPs (NCS@40 ka/ZnONPs) showed excellent antimicrobial activity with an inhibition percentage of more than 70% versus all microorganisms presented. The paper was coated with the prepared suspensions and characterized concerning optical, mechanical and physical properties. When Ka/ZnONPs were loaded into NCS in a variety of ratios, the characteristics of coated paper were enhanced compared to blank paper. The sample NCS@40 ka/ZnONPs increased tensile strength by 11%, reduced light scattering by 12%, and improved brightness and whiteness by 1%. Paper coated with NCh suspension had 35.32% less roughness and 188.6% less porosity. When coated with the sample NCS@10 ka/ZnONPs, the coated paper's porosity was reduced by 94% and its roughness was reduced by 10.85%. The greatest reduction in water absorptivity was attained by coating with the same sample, with a reduction percentage of 132%.
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Affiliation(s)
- Mohamed S Hasanin
- Cellulose and Paper Department, National Research Centre, Dokki, 12622, Cairo, Egypt.
| | - Houssni El Saied
- Cellulose and Paper Department, National Research Centre, Dokki, 12622, Cairo, Egypt
| | - Fatma A Morsy
- Paper and Printing Lab., Chemistry Department, Faculty of Science, Helwan University, Helwan, Egypt
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Balçık Tamer Y. Development of citric acid crosslinked biodegradable chitosan/hydroxyethyl cellulose/organo-modified nanoclay composite films as sustainable food packaging materials. POLYM-PLAST TECH MAT 2023. [DOI: 10.1080/25740881.2023.2195908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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Chen Y, Liu Y, Dong Q, Xu C, Deng S, Kang Y, Fan M, Li L. Application of functionalized chitosan in food: A review. Int J Biol Macromol 2023; 235:123716. [PMID: 36801297 DOI: 10.1016/j.ijbiomac.2023.123716] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 02/05/2023] [Accepted: 02/12/2023] [Indexed: 02/18/2023]
Abstract
Environmental and sustainability issues have received increasing attention in recent years. As a natural biopolymer, chitosan has been developed as a sustainable alternative to traditional chemicals such as food preservation, food processing, food packaging, and food additives due to its abundant functional groups and excellent biological functions. This review analyzes and summarizes the unique properties of chitosan, with a particular focus on the mechanism of action for its antibacterial and antioxidant properties. This provides a lot of information for the preparation and application of chitosan-based antibacterial and antioxidant composites. In addition, chitosan is modified by physical, chemical and biological modifications to obtain a variety of functionalized chitosan-based materials. The modification not only improves the physicochemical properties of chitosan, but also enables it to have different functions and effects, showing promising applications in multifunctional fields such as food processing, food packaging, and food ingredients. In the current review, applications, challenges, and future perspectives of functionalized chitosan in food will be discussed.
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Affiliation(s)
- Yu Chen
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, PR China
| | - Yong Liu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Qingfeng Dong
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Changhua Xu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Shanggui Deng
- Engineering Research Center of Food Thermal Processing Technology, College of Food and Pharmacy, Zhejiang Ocean University, Zhoushan 316000, Zhejiang, China
| | - Yongfeng Kang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Min Fan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, PR 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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MOTTA JFG, FREITAS BCBD, ALMEIDA AFD, MARTINS GADS, BORGES SV. Use of enzymes in the food industry: a review. FOOD SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1590/fst.106222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Fabrication and Evaluation of Basil Essential Oil-Loaded Halloysite Nanotubes in Chitosan Nanocomposite Film and Its Application in Food Packaging. Antibiotics (Basel) 2022; 11:antibiotics11121820. [PMID: 36551477 PMCID: PMC9774598 DOI: 10.3390/antibiotics11121820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/07/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022] Open
Abstract
Increasing health concerns regarding the use of plasticware have led to the development of ecofriendly biodegradable packaging film from natural polymer and food additives. In the present study, basil essential oil (BEO) loaded halloysite nanotubes (HNTs) composite films were synthesized using a solution casting method. The effects of BEO and nanotube concentration on the mechanical, physical, structural, barrier, and antioxidant properties of films were evaluated. Scanning electron microscopy (SEM), X-ray diffraction (XRD) and Fourier transform infrared (FTIR) demonstrated well-dispersed HNTs and BEO in tailored composite films. The addition of BEO in Chitosan (Ch) film caused darkening of the film color; furthermore, the incorporation of HNTs in varied concentrations increased opaqueness in Ch/BEO film. The Ch/BEO film, upon adding HNTs 5-30 wt%, exhibited a corresponding increase in the film thickness (0.108-0.135 mm) when compared with the Ch/BEO film alone (0.081 mm). The BEO-loaded HNTs composite films displayed reduced moisture content and characteristic barrier and UV properties. The Ch/BEO film with 15 wt% HNTs was found to have enhanced antioxidant activity. The Ch/BEO/HNTs composite also managed to prevent broccoli florets from losing weight and firmness during storage. The enhanced barrier and antioxidant qualities of the nanocomposite film suggest its potential application in the food processing and packaging sector. This is the first ever report on the fabrication of nanocomposite film using BEO and HNTs for food packaging. The low production cost and ecofriendly approach make the film acceptable for further research and commercialization thereafter.
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Polymer/Enzyme Composite Materials—Versatile Catalysts with Multiple Applications. CHEMISTRY 2022. [DOI: 10.3390/chemistry4040087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
A significant interest was granted lately to enzymes, which are versatile catalysts characterized by natural origin, with high specificity and selectivity for particular substrates. Additionally, some enzymes are involved in the production of high-valuable products, such as antibiotics, while others are known for their ability to transform emerging contaminates, such as dyes and pesticides, to simpler molecules with a lower environmental impact. Nevertheless, the use of enzymes in industrial applications is limited by their reduced stability in extreme conditions and by their difficult recovery and reusability. Rationally, enzyme immobilization on organic or inorganic matrices proved to be one of the most successful innovative approaches to increase the stability of enzymatic catalysts. By the immobilization of enzymes on support materials, composite biocatalysts are obtained that pose an improved stability, preserving the enzymatic activity and some of the support material’s properties. Of high interest are the polymer/enzyme composites, which are obtained by the chemical or physical attachment of enzymes on polymer matrices. This review highlights some of the latest findings in the field of polymer/enzyme composites, classified according to the morphology of the resulting materials, following their most important applications.
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Preparation and characterization of a novel 3D polymer support for the immobilization of cyclodextrin glucanotransferase and efficient biocatalytic synthesis of α-arbutin. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Effect of Chitosan Solution on Low-Cohesive Soil’s Shear Modulus G Determined through Resonant Column and Torsional Shearing Tests. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12115332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
In this study the effect of using a biopolymer soil stabilizer on soil stiffness characteristics was investigated. Chitosan is a bio-waste material that is obtained by chemical treatment of chitin (a chemical component of fungi or crustaceans’ shells). Using chitosan solution as a soil stabilizer is based on the assumption that the biopolymer forms temporary bonds with soil particles. What is important is that these bonds are biodegradable, so the product does not leave any harmful waste and has high eco-compatibility. The biopolymer itself is a by-product of many industrial chemical processes, so its application is compliant with the goals of sustainable geotechnical engineering. The effect of chitosan on soil shear strength, permeability or surface erosion has already been investigated in several different studies. In this study specimens of low-cohesive soil stabilized with two different chitosan solutions were subject to cyclic loading (torsional shearing test) and dynamic loading (resonant column) to obtain soil shear modulus G as a function of strain values. It has been shown that chitosan solution added to medium-grained materials improves their shear modulus G substantially (up to 3 times) even for relatively low chitosan concentration solutions (1.5 g of chitosan per 1 kg of dry silica sand). The results obtained in this study and the known chitosan properties suggest that chitosan solutions can be a very effective and eco-friendly short-term stabilizer for temporary geotechnical structures, e.g., working platforms.
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Silva-Barbieri D, Salazar FN, López F, Brossard N, Escalona N, Pérez-Correa JR. Advances in White Wine Protein Stabilization Technologies. Molecules 2022; 27:molecules27041251. [PMID: 35209041 PMCID: PMC8876787 DOI: 10.3390/molecules27041251] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/28/2022] [Accepted: 02/08/2022] [Indexed: 12/10/2022] Open
Abstract
The unstable proteins in white wine cause haze in bottles of white wine, degrading its quality. Thaumatins and chitinases are grape pathogenesis-related (PR) proteins that remain stable during vinification but can precipitate at high temperatures after bottling. The white wine protein stabilization process can prevent haze by removing these unstable proteins. Traditionally, bentonite is used to remove these proteins; however, it is labor-intensive, generates wine losses, affects wine quality, and harms the environment. More efficient protein stabilization technologies should be based on a better understanding of the main factors and mechanisms underlying protein precipitation. This review focuses on recent developments regarding the instability and removal of white wine proteins, which could be helpful to design more economical and environmentally friendly protein stabilization methods that better preserve the products´ quality.
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Affiliation(s)
- Daniela Silva-Barbieri
- Departamento de Ingeniería Química y Bioprocesos, Escuela de Ingeniería, Pontificia Universidad Católica de Chile, Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile; (D.S.-B.); (N.E.); (J.R.P.-C.)
| | - Fernando N. Salazar
- Escuela de Alimentos, Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Waddington 716, Valparaíso 2360100, Chile
- Correspondence: ; Tel.: +56-32-2274221
| | - Francisco López
- Departament d’Enginyeria Química, Facultat d’Enologia, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Spain;
| | - Natalia Brossard
- Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile;
| | - Néstor Escalona
- Departamento de Ingeniería Química y Bioprocesos, Escuela de Ingeniería, Pontificia Universidad Católica de Chile, Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile; (D.S.-B.); (N.E.); (J.R.P.-C.)
- Millenium Nuclei on Catalytic Processes towards Sustainable Chemistry (CSC), Departamento de Ingeniería Química y Bioprocesos, Escuela de Ingeniería, Pontificia Universidad Católica de Chile, Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile
| | - José R. Pérez-Correa
- Departamento de Ingeniería Química y Bioprocesos, Escuela de Ingeniería, Pontificia Universidad Católica de Chile, Vicuña Mackenna 4860, Macul, Santiago 7820436, Chile; (D.S.-B.); (N.E.); (J.R.P.-C.)
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Barra A, Nunes C, Ruiz-Hitzky E, Ferreira P. Green Carbon Nanostructures for Functional Composite Materials. Int J Mol Sci 2022; 23:ijms23031848. [PMID: 35163770 PMCID: PMC8836917 DOI: 10.3390/ijms23031848] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/19/2022] [Accepted: 01/31/2022] [Indexed: 12/21/2022] Open
Abstract
Carbon nanostructures are widely used as fillers to tailor the mechanical, thermal, barrier, and electrical properties of polymeric matrices employed for a wide range of applications. Reduced graphene oxide (rGO), a carbon nanostructure from the graphene derivatives family, has been incorporated in composite materials due to its remarkable electrical conductivity, mechanical strength capacity, and low cost. Graphene oxide (GO) is typically synthesized by the improved Hummers’ method and then chemically reduced to obtain rGO. However, the chemical reduction commonly uses toxic reducing agents, such as hydrazine, being environmentally unfriendly and limiting the final application of composites. Therefore, green chemical reducing agents and synthesis methods of carbon nanostructures should be employed. This paper reviews the state of the art regarding the green chemical reduction of graphene oxide reported in the last 3 years. Moreover, alternative graphitic nanostructures, such as carbons derived from biomass and carbon nanostructures supported on clays, are pointed as eco-friendly and sustainable carbonaceous additives to engineering polymer properties in composites. Finally, the application of these carbon nanostructures in polymer composites is briefly overviewed.
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Affiliation(s)
- Ana Barra
- Department of Materials and Ceramic Engineering, CICECO–Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal;
- Materials Science Institute of Madrid, CSIC, c/Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain;
| | - Cláudia Nunes
- Department of Materials and Ceramic Engineering, CICECO–Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal;
- Correspondence: (C.N.); (P.F.); Tel.: +351-234-370200 (P.F.)
| | - Eduardo Ruiz-Hitzky
- Materials Science Institute of Madrid, CSIC, c/Sor Juana Inés de la Cruz 3, 28049 Madrid, Spain;
| | - Paula Ferreira
- Department of Materials and Ceramic Engineering, CICECO–Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal;
- Correspondence: (C.N.); (P.F.); Tel.: +351-234-370200 (P.F.)
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Xie J, Zhang Y, Simpson B. Food enzymes immobilization: novel carriers, techniques and applications. Curr Opin Food Sci 2022. [DOI: 10.1016/j.cofs.2021.09.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Immobilization of Laccase on Hybrid Super-Structured Nanomaterials for the Decolorization of Phenolic Dyes. Processes (Basel) 2022. [DOI: 10.3390/pr10020233] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
In the present work, hybrid super-structured nanomaterials were synthesized by the combination of smectite nanoclays with various carbon-based nanomaterials (graphene oxide, carbon nanotubes and adamantylamine) and were used as nanosupports for the covalent and non-covalent immobilization of laccase from Trametes versicolor (TvL). TvL was successfully immobilized on these hybrid nanomaterials, achieving high immobilization yields (up to 85%), while its conformation remained unaltered upon immobilization. The apparent kinetic constants Vmax and Km of the immobilized enzymes strongly depended on the immobilization procedure and the composition of hybrid nanomaterials. Immobilized TvL preserved up to 50% of its initial activity after 24 h of incubation at 60 °C, while free enzyme was totally deactivated. The TvL-hybrid nanomaterials bioconjugates were efficiently applied for the degradation of various synthetic dyes, exhibiting excellent decolorization capacity, as well as high reusability (up to 11 successive catalytic cycles), providing insights into the use of these bionanoconjugates on applications with environmental, and industrial interest.
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Jančič U, Gorgieva S. Bromelain and Nisin: The Natural Antimicrobials with High Potential in Biomedicine. Pharmaceutics 2021; 14:76. [PMID: 35056972 PMCID: PMC8778819 DOI: 10.3390/pharmaceutics14010076] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/21/2021] [Accepted: 12/23/2021] [Indexed: 11/16/2022] Open
Abstract
Infectious diseases along with various cancer types are among the most significant public health problems and the leading cause of death worldwide. The situation has become even more complex with the rapid development of multidrug-resistant microorganisms. New drugs are urgently needed to curb the increasing spread of diseases in humans and livestock. Promising candidates are natural antimicrobial peptides produced by bacteria, and therapeutic enzymes, extracted from medicinal plants. This review highlights the structure and properties of plant origin bromelain and antimicrobial peptide nisin, along with their mechanism of action, the immobilization strategies, and recent applications in the field of biomedicine. Future perspectives towards the commercialization of new biomedical products, including these important bioactive compounds, have been highlighted.
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Affiliation(s)
- Urška Jančič
- Institute of Engineering Materials and Design, Faculty of Mechanical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia
| | - Selestina Gorgieva
- Institute of Engineering Materials and Design, Faculty of Mechanical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia
- Institute of Automation, Faculty of Electrical Engineering and Computer Science, University of Maribor, Koroška cesta 46, 2000 Maribor, Slovenia
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Performance of Gelatin Films Reinforced with Cloisite Na + and Black Pepper Essential Oil Loaded Nanoemulsion. Polymers (Basel) 2021; 13:polym13244298. [PMID: 34960849 PMCID: PMC8703369 DOI: 10.3390/polym13244298] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/23/2021] [Accepted: 09/24/2021] [Indexed: 12/23/2022] Open
Abstract
The concern about consuming eco-friendly products has motivated research in the development of new materials. Therefore, films based on natural polymers have been used to replace traditional polymers. This study consists of a production of films based on gelatin reinforced with black pepper essential oil-loaded nanoemulsions and Cloisite Na+. The films were characterized by water vapor permeability, mechanical and thermal properties, surface contact angle, X-ray diffraction and scanning electron microscopy. It was observed that the films containing the nanoemulsion have higher permeability values and an increase in their mechanical resistance. The addition of nanoclay contributed to an increase in the surface hydrophobicity of the film and an increase in the tensile strength, at break, by about 150%. The addition of essential oil nanoemulsions led to an increase in thermal stability. The presence of clay dispersion contributed to the formation of a surface that was slightly rougher and grainier. The addition of the black pepper essential oil nanoemulsion resulted in an increase in porosity of the gelatin matrix. Through X-ray diffraction analysis, it was possible to conclude that both the polymeric gelatin matrix and the essential oils nanoemulsion are intercalated with the clay dispersion.
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21
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Coşkuner Filiz B, Basaran Elalmis Y, Bektaş İS, Kantürk Figen A. Fabrication of stable electrospun blended chitosan-poly(vinyl alcohol) nanofibers for designing naked-eye colorimetric glucose biosensor based on GOx/HRP. Int J Biol Macromol 2021; 192:999-1012. [PMID: 34655587 DOI: 10.1016/j.ijbiomac.2021.10.048] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/14/2021] [Accepted: 10/07/2021] [Indexed: 02/06/2023]
Abstract
In this study, designing of a stable electrospun blended chitosan (CS)-poly(vinyl alcohol) (PVA) nanofibers for colorimetric glucose biosensing in an aqueous medium was investigated. CS and PVA solutions were blended to acquire an optimum content (CS/PVA:1/4) and electrospunned to obtain uniform and bead-free CS/PVA nanofiber structures following the optimization of the electrospinning parameters (33 kV, 20 cm, and 1.2 ml.h-1). Crosslinking process applied subsequently provided mechanically and chemically stable nanofibers with an average diameter of 378 nm. The morphological homogeneity, high fluid absorption ability (>%50), thermal (<230 °C) and morphological stability, surface hydrophilicity and degrability properties of cross-linked CS/PVA nanofiber demonstrated their great potential to be developed as an eye-readable strip for biosensing applications. The glucose oxidase (GOx) and horseradish peroxidase (HRP) was immobilized by physical adsorption on the cross-linked CS/PVA nanofiber. The glucose assay analysis by ultraviolet-visible (UV-Vis) spectrophotometry using the same enzymatic system of the proposed glucose strips in form of absorbance versus concentration plot was found to be linear over a glucose concentration range of 2.7 to 13.8 mM. The prepared naked eye colorimetric glucose detection strips, with lower detection limit of 2.7 mM, demonstrated dramatic color change from white (0 mM) to brownish-orange (13.8 mM). The developed cross-linked CS/PVA nanofiber strips, prepared by electrospinnig procedure, could be easily adapted to a color map, as an alternative material for glucose sensing. Design of a practical, low-cost, and environmental-friendly bio-based CS/PVA testing strips for eye readable detection were presented and suggested as an applicable medium for a wide range of glucose concentrations.
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Affiliation(s)
- Bilge Coşkuner Filiz
- Yıldız Technical University, Metallurgy and Materials Engineering Department, İstanbul 34210, Turkey.
| | | | - İrem Serra Bektaş
- Yıldız Technical University, Chemical Engineering Department, İstanbul 34210, Turkey
| | - Aysel Kantürk Figen
- Yıldız Technical University, Chemical Engineering Department, İstanbul 34210, Turkey
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22
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A review on the preparation and characterization of chitosan-clay nanocomposite films and coatings for food packaging applications. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2021. [DOI: 10.1016/j.carpta.2021.100102] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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23
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Ma X, Chen Z, Han J, Zhou Y, Lin F, Li C, Wang L, Wang Y. Fabrication of immobilized bromelain using cobalt phosphate material prepared in deep eutectic solvent as carrier. Colloids Surf B Biointerfaces 2021; 210:112251. [PMID: 34894600 DOI: 10.1016/j.colsurfb.2021.112251] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 11/03/2021] [Accepted: 11/24/2021] [Indexed: 12/24/2022]
Abstract
The aim of the present work is to fabricate immobilized bromelain based on the specific interaction between the cobalt ions of carrier and the inherent cysteines contained in bromelain molecules. The cobalt phosphate material was prepared as solid support by using choline chloride (ChCl)/betaine-glycerol deep eutectic solvent (DES) as solvent and template for the first time. The Co-P material with lamellate-based structure obtained in the ChCl-glycerol DES at the Co/P ratio of 3:2 showed the best performance for the immobilization of bromelain. The specific interaction between Co2+ and bromelain promoted the aggregation of lamellar Co-P, forming flower-like Co-P@bromelain particles. Under the optimum immobilization conditions, the specific enzyme activity of the immobilized enzyme reached the maximum of 71244 U/g. Compared with Co3(PO4)2 prepared in water system, the obtained Co-P@bromelain using the Co-P material synthesized in the ChCl-glycerol DES as carrier exhibited excellent structure stability. In addition, the immobilized Co-P@bromelain also showed higher catalytic efficiency than free bromelain.
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Affiliation(s)
- Xinnan Ma
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China
| | - Zhili Chen
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China
| | - Juan Han
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China
| | - Yang Zhou
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China
| | - Feng Lin
- Key Laboratory of Healthy Freshwater Aquaculture, Ministry of Agriculture and Rural Affairs, Zhejiang Institute of Freshwater Fisheries, Huzhou 313001, China
| | - Chunmei Li
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China
| | - Lei Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China
| | - Yun Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China.
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Hierarchical micro- and mesoporous ZIF-8 with core-shell superstructures using colloidal metal sulfates as soft templates for enzyme immobilization. J Colloid Interface Sci 2021; 610:709-718. [PMID: 34863543 DOI: 10.1016/j.jcis.2021.11.123] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/17/2021] [Accepted: 11/21/2021] [Indexed: 02/07/2023]
Abstract
Metal-organic frameworks (MOFs), with large specific surface area and tunable porosity, have gained lots of attention for immobilizing enzymes. However, the intrinsic open channels of most reported MOFs are generally smaller than 2 nm, which significantly prevents the passage of enzymes, and the diffusion efficiency of substrates and products. Here we report a new hierarchical micro-mesoporous zeolitic imidazolate framework-8 (ZIF-8) with core-shell superstructure (HZIF-8) using colloidal hydrated zinc sulfate (ZnSO4·7H2O) as a soft template for enzyme immobilization. The ZnSO4·7H2O forms an aggregation of colloids due to the self-conglobation effect in methanol, which affords a soft template for the formation of HZIF-8. Cytochrome C (Cyt C) was immobilized in interior of HZIF-8 through entrapment during the formation of HZIF-8. The resultant immobilized Cyt C (Cyt C@HZIF-8) exhibited 4-fold and 3-fold higher activity than free Cyt C and Cyt C encapsulated in conventional microporous ZIF-8 (Cyt C@ZIF-8), respectively. Meanwhile, the Km value of Cyt C@HZIF-8 significantly decreased due to the presence of mesopores compared with Cyt C@ZIF-8, indicating enhanced substrate affinity. After 7 cycles, Cyt C@HZIF-8 still maintained 70% of its initial activity whereas Cyt C@ZIF-8 only retained 10% of its initial activity. Moreover, the obtained HZIF-8 showed outstanding performance in co-immobilization of multi-enzyme for the detection of glucose.
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Santos TA, Cabral BR, de Oliveira ACS, Dias MV, de Oliveira CR, Borges SV. Release of papain incorporated in chitosan films reinforced with cellulose nanofibers. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15900] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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26
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Sun M, Peng S, Nie L, Zou Y, Yang L, Gao L, Dou X, Zhao C, Feng C. Three-Dimensional Chiral Supramolecular Microenvironment Strategy for Enhanced Biocatalysis. ACS NANO 2021; 15:14972-14984. [PMID: 34491712 DOI: 10.1021/acsnano.1c05212] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
How the three-dimensional (3D) chiral environment affects the biocatalysis remains an important issue, thereby inspiring the development of a microenvironment that highly mimics the natural features of enzyme to guarantee enhanced biocatalysis. In this study, two gelators bearing d/l-phenylalanine as chiral centers are designed to construct the 3D chiral catalytic microenvironment for enhancing the biocatalysis of lipase. Such a microenvironment is programmed through chiral transmission of chirality from molecular chirality to achiral polymers. It shows that the chirality of the microenvironment evidently influences the catalytic efficiency of immobilized lipase inside the system, and the 3D microenvironment constructed by right-handed helical nanostructures can enhance the catalytic activity of lipase inside as high as 10-fold for catalyzing 4-nitrophenyl palmitate (NPP) to 4-nitrophenol (NP) and 1.4-fold for catalyzing lipids to triglycerides (TGs) in 3T3-L1 cells than that of the achiral microenvironment. Moreover, the 3D chiral microenvironment has the merits of good catalytic efficiency, high storage stability, and efficient recyclability. This strategy of designing a 3D chiral microenvironment suitable for biocatalysis will overcome the present limitations of enzymatic immobilization in traditional materials and enhance the understanding of biocatalysis.
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Affiliation(s)
- Meng Sun
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- College of Life Science, Xinyang Normal University, Xinyang 464000, China
| | - Shiqiao Peng
- Shanghai Diabetes Institute, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Lei Nie
- College of Life Science, Xinyang Normal University, Xinyang 464000, China
| | - Yunqing Zou
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Li Yang
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Laiben Gao
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaoqiu Dou
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Changli Zhao
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Chuanliang Feng
- State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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Santos TA, Oliveira ACS, Lago AMT, Yoshida MI, Dias MV, Borges SV. Properties of chitosan–papain biopolymers reinforced with cellulose nanofibers. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | | | - Maria Irene Yoshida
- Department of Chemistry Federal University of Minas Gerais Belo Horizonte Brazil
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Kondal R, Kalia A, Krejcar O, Kuca K, Sharma SP, Luthra K, Dheri GS, Vikal Y, Taggar MS, Abd-Elsalam KA, Gomes CL. Chitosan-Urea Nanocomposite for Improved Fertilizer Applications: The Effect on the Soil Enzymatic Activities and Microflora Dynamics in N Cycle of Potatoes ( Solanum tuberosum L.). Polymers (Basel) 2021; 13:polym13172887. [PMID: 34502927 PMCID: PMC8433729 DOI: 10.3390/polym13172887] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/21/2021] [Accepted: 08/23/2021] [Indexed: 11/18/2022] Open
Abstract
The impact of polymer-based slow-release urea formulations on soil microbial N dynamics in potatoes has been sparingly deciphered. The present study investigated the effect of a biodegradable nano-polymer urea formulation on soil enzymatic activities and microflora involved in the N cycling of potato (Solanum tuberosum L.). The nano-chitosan-urea composite (NCUC) treatment significantly increased the soil dehydrogenase activity, organic carbon content and available potassium compared to the conventional urea (CU) treatment. The soil ammonical nitrogen (NH4+-N) and nitrate nitrogen (NO3−-N) contents and urease activity were significantly decreased in the NCUC-amended soil. The slow urea hydrolysis rate led to low concentrations of NH4+-N and NO3−-N in the tested potato soil. Furthermore, these results corroborate the low count of ammonia oxidizer and nitrate reducer populations. Quantitative PCR (q-PCR) studies revealed that the relative abundance of eubacterial (AOB) and archaeal ammonia-oxidizing (AOA) populations was reduced in the NCUC-treated soil compared to CU. The abundance of AOA was particularly lower than AOB, probably due to the more neutral and alkaline conditions of the tested soil. Our results suggest that the biodegradable polymer urea composite had a significant effect on the microbiota associated with soil N dynamics. Therefore, the developed NCUC could be used as a slow N-release fertilizer for enhanced growth and crop yields of potato.
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Affiliation(s)
- Rohini Kondal
- Department of Microbiology, Punjab Agricultural University, Ludhiana 141004, Punjab, India; (R.K.); (K.L.)
| | - Anu Kalia
- Electron Microscopy and Nanoscience Laboratory, Department of Soil Science, Punjab Agricultural University, Ludhiana 141004, Punjab, India
- Correspondence: (A.K.); (K.K.); Tel.: +91-161-2401960 (A.K.); +420-603-289-166 (K.K.)
| | - Ondrej Krejcar
- Center for Basic and Applied Science, Faculty of Informatics and Management, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic;
- Malaysia Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic
- Correspondence: (A.K.); (K.K.); Tel.: +91-161-2401960 (A.K.); +420-603-289-166 (K.K.)
| | - Sat Pal Sharma
- Department of Vegetable Science, Punjab Agricultural University, Ludhiana 141004, Punjab, India;
| | - Karanvir Luthra
- Department of Microbiology, Punjab Agricultural University, Ludhiana 141004, Punjab, India; (R.K.); (K.L.)
| | - Gurmeet Singh Dheri
- Green House Gas Laboratory, Department of Soil Science, Punjab Agricultural University, Ludhiana 141004, Punjab, India;
| | - Yogesh Vikal
- School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana 141004, Punjab, India;
| | - Monica Sachdeva Taggar
- Department of Renewable Energy Engineering, Punjab Agricultural University, Ludhiana 141004, Punjab, India;
| | - Kamel A. Abd-Elsalam
- Agricultural Research Center, Plant Pathology Research Institute, Giza 12619, Egypt;
| | - Carmen L. Gomes
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA;
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Conception of active food packaging films based on crab chitosan and gelatin enriched with crustacean protein hydrolysates with improved functional and biological properties. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106639] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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de Castro MDC, Garcia PS, Andrade MM, Grossmann MVE, Simões BM, Samulewski RB, Baron AM. Lipase immobilization on biodegradable film with sericin. Biotechnol Appl Biochem 2021; 69:660-667. [PMID: 34053116 DOI: 10.1002/bab.2141] [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: 06/10/2020] [Accepted: 02/24/2021] [Indexed: 11/06/2022]
Abstract
An ecofriendly and low-cost film composed by cassava starch, polyvinyl alcohol, and sericin blend (CS-PVA-SS) was synthesized, characterized, and applied as a novel support for Botryosphaeria ribis EC-01 lipase immobilization by enzyme-film-enzyme adsorption. Film revealed thickness between 230 and 309 μm and higher flexibility and malleability in comparison with film without SS. Based on p-nitrophenyl palmitate hydrolysis reaction, the activity retention of immobilized lipase was 987%. For optimal conditions, the yield in ethyl oleate was 95% for immobilized enzyme. Maximum yield was obtained at 49°C, molar ratio oleic acid:ethanol of 1:3, 1.25 g lipase film or 50 U (1.03 ± 0.03 mg protein) and 30 h. Even after seven cycles of use, immobilized lipase showed 52% reduction in ester yield. Biodegradable and biorenewable film is a promising material as a support to immobilize lipases and application in biocatalysis.
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Affiliation(s)
- Michael da Conceição de Castro
- Universidade Tecnológica Federal do Paraná, Câmpus Apucarana - Coordenação de Licenciatura em Química (COLIQ), Apucarana, PR, Brazil
| | - Patrícia Salomão Garcia
- Universidade Tecnológica Federal do Paraná, Câmpus Apucarana - Coordenação de Licenciatura em Química (COLIQ), Apucarana, PR, Brazil
| | - Milena Martins Andrade
- Universidade Tecnológica Federal do Paraná, Câmpus Apucarana - Coordenação de Licenciatura em Química (COLIQ), Apucarana, PR, Brazil
| | | | - Bruno Matheus Simões
- Departamento de Ciência e Tecnologia de Alimentos, Universidade Estadual de Londrina, Londrina, PR, Brazil
| | - Rafael Block Samulewski
- Universidade Tecnológica Federal do Paraná, Câmpus Apucarana - Coordenação de Licenciatura em Química (COLIQ), Apucarana, PR, Brazil
| | - Alessandra Machado Baron
- Universidade Tecnológica Federal do Paraná, Câmpus Apucarana - Coordenação de Licenciatura em Química (COLIQ), Apucarana, PR, Brazil
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Nunes YL, de Menezes FL, de Sousa IG, Cavalcante ALG, Cavalcante FTT, da Silva Moreira K, de Oliveira ALB, Mota GF, da Silva Souza JE, de Aguiar Falcão IR, Rocha TG, Valério RBR, Fechine PBA, de Souza MCM, Dos Santos JCS. Chemical and physical Chitosan modification for designing enzymatic industrial biocatalysts: How to choose the best strategy? Int J Biol Macromol 2021; 181:1124-1170. [PMID: 33864867 DOI: 10.1016/j.ijbiomac.2021.04.004] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/02/2021] [Accepted: 04/03/2021] [Indexed: 12/16/2022]
Abstract
Chitosan is one of the most abundant natural polymer worldwide, and due to its inherent characteristics, its use in industrial processes has been extensively explored. Because it is biodegradable, biocompatible, non-toxic, hydrophilic, cheap, and has good physical-chemical stability, it is seen as an excellent alternative for the replacement of synthetic materials in the search for more sustainable production methodologies. Thus being, a possible biotechnological application of Chitosan is as a direct support for enzyme immobilization. However, its applicability is quite specific, and to overcome this issue, alternative pretreatments are required, such as chemical and physical modifications to its structure, enabling its use in a wider array of applications. This review aims to present the topic in detail, by exploring and discussing methods of employment of Chitosan in enzymatic immobilization processes with various enzymes, presenting its advantages and disadvantages, as well as listing possible chemical modifications and combinations with other compounds for formulating an ideal support for this purpose. First, we will present Chitosan emphasizing its characteristics that allow its use as enzyme support. Furthermore, we will discuss possible physicochemical modifications that can be made to Chitosan, mentioning the improvements obtained in each process. These discussions will enable a comprehensive comparison between, and an informed choice of, the best technologies concerning enzyme immobilization and the application conditions of the biocatalyst.
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Affiliation(s)
- Yale Luck Nunes
- Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Bloco 940, CEP 60455760 Fortaleza, CE, Brazil
| | - Fernando Lima de Menezes
- Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Bloco 940, CEP 60455760 Fortaleza, CE, Brazil
| | - Isamayra Germano de Sousa
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790970, CE, Brazil
| | - Antônio Luthierre Gama Cavalcante
- Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Bloco 940, CEP 60455760 Fortaleza, CE, Brazil
| | | | - Katerine da Silva Moreira
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 709, Fortaleza CEP 60455760, CE, Brazil
| | - André Luiz Barros de Oliveira
- Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 709, Fortaleza CEP 60455760, CE, Brazil
| | - Gabrielly Ferreira Mota
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790970, CE, Brazil
| | - José Erick da Silva Souza
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790970, CE, Brazil
| | - Italo Rafael de Aguiar Falcão
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790970, CE, Brazil
| | - Thales Guimaraes Rocha
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790970, CE, Brazil
| | - Roberta Bussons Rodrigues Valério
- Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Bloco 940, CEP 60455760 Fortaleza, CE, Brazil
| | - Pierre Basílio Almeida Fechine
- Departamento de Química Analítica e Físico-Química, Universidade Federal do Ceará, Campus do Pici, Bloco 940, CEP 60455760 Fortaleza, CE, Brazil
| | - Maria Cristiane Martins de Souza
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790970, CE, Brazil
| | - José C S Dos Santos
- Instituto de Engenharias e Desenvolvimento Sustentável, Universidade da Integração Internacional da Lusofonia Afro-Brasileira, Campus das Auroras, Redenção CEP 62790970, CE, Brazil; Departamento de Engenharia Química, Universidade Federal do Ceará, Campus do Pici, Bloco 709, Fortaleza CEP 60455760, CE, Brazil.
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Cavallaro G, Micciulla S, Chiappisi L, Lazzara G. Chitosan-based smart hybrid materials: a physico-chemical perspective. J Mater Chem B 2021; 9:594-611. [PMID: 33305783 DOI: 10.1039/d0tb01865a] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Chitosan is one of the most studied cationic polysaccharides. Due to its unique characteristics of being water soluble, biocompatible, biodegradable, and non-toxic, this macromolecule is highly attractive for a broad range of applications. In addition, its complex behavior and the number of ways it interacts with different components in a system result in an astonishing variety of chitosan-based materials. Herein, we present recent advances in the field of chitosan-based materials from a physico-chemical perspective, with focus on aqueous mixtures with oppositely charged colloids, chitosan-based thin films, and nanocomposite systems. In this review, we focus our attention on the physico-chemical properties of chitosan-based materials, including solubility, mechanical resistance, barrier properties, and thermal behaviour, and provide a link to the chemical peculiarities of chitosan, such as its intrinsic low solubility, high rigidity, large charge separation, and strong tendency to form intra- and inter-molecular hydrogen bonds.
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Affiliation(s)
- Giuseppe Cavallaro
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze pad 17, 90128 Palermo, Italy.
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de Souza Lima J, Boemo APSI, de Araújo PHH, de Oliveira D. Immobilization of endoglucanase on kaolin by adsorption and covalent bonding. Bioprocess Biosyst Eng 2021; 44:1627-1637. [PMID: 33686500 DOI: 10.1007/s00449-021-02545-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 02/26/2021] [Indexed: 11/25/2022]
Abstract
In the current research, endoglucanase, one of the enzymes of the cellulolytic complex, was immobilized on kaolin by two different techniques, adsorption, and covalent bonding. A comparative study was conducted between free, adsorbed, and covalently immobilized endoglucanase. For the covalent bonding, the kaolin particles were functionalized with 3-aminopropyltriethoxysilane (APTES) and activated with glutaraldehyde. Immobilization by adsorption was performed using the kaolin without any treatment. Recovered activities after the endoglucanase immobilization by adsorption and covalent bonding were found to be 60 ± 2.5 and 65 ± 3.5%, respectively. The studies of optima pH and temperature, as well as thermal stability, showed that the catalytic characteristic of the enzyme was maintained after the immobilization by both adsorption and covalent bonding. Even after 8 cycles of use, the endoglucanase immobilized by the two techniques retained about 86% of its initial activity. The results showed that the adsorption was as effective as covalent bonding for the immobilization of endoglucanase on kaolin. However, the adsorption technique seems to have a greater potential for use in future studies, as it is simpler, cheaper, and faster than covalent immobilization. Therefore, in this work it was demonstrated that endoglucanases can be immobilized efficiently on kaolin through a very simple immobilization protocol, offering a promising strategy for performing repeated enzymatic hydrolysis reactions.
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Affiliation(s)
- Janaina de Souza Lima
- Department of Chemical and Food Engineering, Federal University of Santa Catarina (UFSC), Florianópolis, SC, 88040-900, Brazil
| | - Ana Paula Serafini Immich Boemo
- Department of Chemical and Food Engineering, Federal University of Santa Catarina (UFSC), Florianópolis, SC, 88040-900, Brazil
| | - Pedro Henrique Hermes de Araújo
- Department of Chemical and Food Engineering, Federal University of Santa Catarina (UFSC), Florianópolis, SC, 88040-900, Brazil
| | - Débora de Oliveira
- Department of Chemical and Food Engineering, Federal University of Santa Catarina (UFSC), Florianópolis, SC, 88040-900, Brazil.
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Holyavka M, Faizullin D, Koroleva V, Olshannikova S, Zakhartchenko N, Zuev Y, Kondratyev M, Zakharova E, Artyukhov V. Novel biotechnological formulations of cysteine proteases, immobilized on chitosan. Structure, stability and activity. Int J Biol Macromol 2021; 180:161-176. [PMID: 33676977 DOI: 10.1016/j.ijbiomac.2021.03.016] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 02/20/2021] [Accepted: 03/03/2021] [Indexed: 12/14/2022]
Abstract
Bromelain, papain, and ficin are studied the most for meat tenderization, but have limited application due to their short lifetime. The aim of this work is to identify the adsorption mechanisms of these cysteine proteases on chitosan to improve the enzymes' stability. It is known that immobilization can lead to a significant loss of enzyme activity, which we observed during the sorption of bromelain (protease activity compared to soluble enzyme is 49% for medium and 64% for high molecular weight chitosan), papain (34 and 28% respectively) and ficin (69 and 70% respectively). Immobilization on the chitosan matrix leads to a partial destruction of protein helical structure (from 5 to 19%). Using computer modelling, we have shown that the sorption of cysteine proteases on chitosan is carried out by molecule regions located on the border of domains L and R, including active cites of the enzymes, which explains the decrease in their catalytic activity upon immobilization. The immobilization on chitosan does not shift the optimal range of pH (7.5) and temperature values (60 °C for bromelain and papain, 37-60 °C for ficin), but significantly increases the stability of biocatalysts (from 5.8 times for bromelain to 7.6 times for papain).
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Affiliation(s)
- Marina Holyavka
- Voronezh State University, Universitetskaya sq. 1, Voronezh 394018, Russian Federation; Sevastopol State University, Universitetskaya st. 33, Sevastopol 299053, Russian Federation.
| | - Dzhigangir Faizullin
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, 2/31, Lobachevsky st., Kazan 420111, Russian Federation
| | - Victoria Koroleva
- Voronezh State University, Universitetskaya sq. 1, Voronezh 394018, Russian Federation
| | - Svetlana Olshannikova
- Voronezh State University, Universitetskaya sq. 1, Voronezh 394018, Russian Federation
| | - Nataliya Zakhartchenko
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, 2/31, Lobachevsky st., Kazan 420111, Russian Federation
| | - Yuriy Zuev
- Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, 2/31, Lobachevsky st., Kazan 420111, Russian Federation
| | - Maxim Kondratyev
- Institute of Cell Biophysics of the Russian Academy of Sciences, Institutskaya st. 3, Puschino, Moscow region 142290, Russian Federation
| | - Ekaterina Zakharova
- Institute of Cell Biophysics of the Russian Academy of Sciences, Institutskaya st. 3, Puschino, Moscow region 142290, Russian Federation
| | - Valeriy Artyukhov
- Voronezh State University, Universitetskaya sq. 1, Voronezh 394018, Russian Federation
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Zhang S, Peng B, Li M, Diao H, Wang X, Zhao W, Lin W, Sun N, Lin S. Immobilization of Active Substances in Food Using Self‐Organized Patterned Porous Film via Breath Figure Approach. ChemistrySelect 2021. [DOI: 10.1002/slct.202004827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Simin Zhang
- National Engineering Research Center of Seafood School of Food Science and Technology Dalian Polytechnic University Dalian 116034 P. R. China
| | - Bo Peng
- National Engineering Research Center of Seafood School of Food Science and Technology Dalian Polytechnic University Dalian 116034 P. R. China
| | - Meng Li
- National Engineering Research Center of Seafood School of Food Science and Technology Dalian Polytechnic University Dalian 116034 P. R. China
| | - Huayu Diao
- National Engineering Research Center of Seafood School of Food Science and Technology Dalian Polytechnic University Dalian 116034 P. R. China
| | - Xingyu Wang
- National Engineering Research Center of Seafood School of Food Science and Technology Dalian Polytechnic University Dalian 116034 P. R. China
| | - Weiping Zhao
- National Engineering Research Center of Seafood School of Food Science and Technology Dalian Polytechnic University Dalian 116034 P. R. China
| | - Wei Lin
- National Engineering Research Center of Seafood School of Food Science and Technology Dalian Polytechnic University Dalian 116034 P. R. China
| | - Na Sun
- National Engineering Research Center of Seafood School of Food Science and Technology Dalian Polytechnic University Dalian 116034 P. R. China
| | - Songyi Lin
- National Engineering Research Center of Seafood School of Food Science and Technology Dalian Polytechnic University Dalian 116034 P. R. China
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Zhong L, Li J, Tian D, Cai J, Wang H, Ma Q. Immobilization of polyphenol oxidase on chitosan/organic rectorite composites for phenolic compounds removal. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2021; 83:906-921. [PMID: 33617497 DOI: 10.2166/wst.2021.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Chitosan/organic rectorite (CTS/OREC) composites were prepared and characterized by Fourier transform infrared spectrometry and X-ray diffraction. Polyphenol oxidase (PPO) was immobilized on CTS/OREC by physical adsorption (APPO) and covalent binding (CPPO). Taguchi method was applied in the optimization of immobilization conditions resulting in the highest enzyme activity of 16.37 × 103 and 8.92 × 103U/g for APPO and CPPO, respectively. APPO enzyme activity was higher than that of CPPO, while CPPO showed the higher enzyme loading capacity than that of APPO. The removal percentage of phenolic compound, including phenol (PH), 4-chlorophenol (4-CP) and 2,4-dichlorophenol (2,4-DCP), by immobilized PPO was also explored. The results indicated that APPO was more efficient in phenolic compounds removal than CPPO. APPO contributed to a quick removal in the first hour, and the removal percentage of PH, 4-CP and 2,4-DCP could reach 69.3 ± 4.2%, 89.8 ± 2.5% and 93.8 ± 1.7% within 2 h, respectively. The order of removal percentage of phenolic compounds for both immobilized PPO was 2,4-DCP > 4-CP > PH. After 10 consecutive operations, the removal percentage of 2,4-DCP reached 73.2 ± 2.6% and 60.3 ± 1.5% for APPO and CPPO, respectively. The results introduced a novel support for PPO immobilization, and the immobilized PPO had great potential in wastewater treatment.
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Affiliation(s)
- Lian Zhong
- College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Jin Li
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China E-mail: ; College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Dawei Tian
- College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Jun Cai
- Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan 430068, China
| | - Han Wang
- College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Qimin Ma
- Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China E-mail: ; College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
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Ribas Fonseca L, Porto Santos T, Czaikoski A, Lopes Cunha R. Modulating properties of polysaccharides nanocomplexes from enzymatic hydrolysis of chitosan. Food Res Int 2020; 137:109642. [PMID: 33233221 DOI: 10.1016/j.foodres.2020.109642] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 08/09/2020] [Accepted: 08/21/2020] [Indexed: 11/16/2022]
Abstract
Synthesis of nanocomplexes is a simple and low-cost technique for the production of encapsulation systems aiming industrial applications, based on the interaction of at least two oppositely charged molecules. Gellan gum (anionic) is a water-soluble biopolymer resistant to stomach pH conditions, therefore an interesting alternative as an encapsulating matrix. Chitosan (cationic) is also widely used due to its biocompatibility and mucoadhesive properties, although its low water solubility is an important step to be overcome for the production of the complexes. To improve this property, many techniques have been employed, but most of them use unsustainable techniques and chemical agents. The enzymatic hydrolysis of chitosan using proteases emerges as an alternative to these drawbacks and, therefore, this study aimed to evaluate the electrostatic nanocomplexation of native (C) or hydrolyzed (HC) chitosan (by porcine pepsin protease) with gellan gum (G). Polysaccharides and nanocomplexes formed with different G:C or G:HC ratio were evaluated by zeta potential measurements, particle size distribution, X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Scanning Transmission Electron Microscopy (STEM), intrinsic viscosity and turbidity analyses. Chitosan hydrolysis allowed the formation of a smaller (445.3 nm in pH 4.5) and more soluble structure (3 kDa), which positively influenced the formation of the complexes. The ratios G:HC of 7:3 and 8:2 formed complexes with lower values of zeta potential (13.9 mV and -5.0 mV, respectively), particle size (635.8 nm and 533.6 nm, respectively) and polydispersity (0.28 and 0.23) compared to complexes formed with native chitosan. Overall, our results show that enzymatic hydrolysis of chitosan favored the formation of electrostatic complexes with reduced size and low polydispersity, which can be used as efficient encapsulating matrices for improved targeted delivery and controlled release of bioactive compounds.
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Affiliation(s)
- Larissa Ribas Fonseca
- Department of Food Engineering, Faculty of Food Engineering, University of Campinas (UNICAMP), 13083-862 Campinas, SP, Brazil
| | - Tatiana Porto Santos
- Department of Food Engineering, Faculty of Food Engineering, University of Campinas (UNICAMP), 13083-862 Campinas, SP, Brazil
| | - Aline Czaikoski
- Department of Food Engineering, Faculty of Food Engineering, University of Campinas (UNICAMP), 13083-862 Campinas, SP, Brazil
| | - Rosiane Lopes Cunha
- Department of Food Engineering, Faculty of Food Engineering, University of Campinas (UNICAMP), 13083-862 Campinas, SP, Brazil.
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Benucci I, Lombardelli C, Cacciotti I, Esti M. Papain Covalently Immobilized on Chitosan-Clay Nanocomposite Films: Application in Synthetic and Real White Wine. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1622. [PMID: 32824943 PMCID: PMC7558937 DOI: 10.3390/nano10091622] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 08/03/2020] [Accepted: 08/17/2020] [Indexed: 12/20/2022]
Abstract
Increasing attention has been recently paid to the development of nanocomposite materials for food application as new tool to enhance the mechanical and thermal properties of polymers. In this study, novel chitosan-clay nanocomposite films were produced as carriers for the covalent immobilization of papain, by using a fixed amount of chitosan (1% w/v) and a food-grade activated montmorillonite (Optigel, OPT) or a high-purity unmodified montmorillonite (SMP), in four different weight percentages with respect to chitosan (i.e., 20, 30, 50, 70% w/w). Both nanoclays (OPT and SMP) improved the mechanical properties of the obtained nanocomposites, and the OPT films showed the highest Young modulus and mechanical resistance (σmax). The nanocomposites were used as carriers for the covalent immobilization of papain, which was preliminarily characterized in model wine towards a synthetic substrate, showing the highest efficiency in the release of the reaction product when it was bound on OPT-30 and OPT-50 films. Finally, the latter biocatalyst (papain on OPT-50 film) was applied for the protein stabilization of two different unfined white wines, and it efficiently reduced both the haze potential and the protein content.
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Affiliation(s)
- Ilaria Benucci
- Department of Agriculture and Forestry Science (DAFNE), Tuscia University, via S. Camillo de Lellis snc, 01100 Viterbo, Italy; (I.B.); (C.L.); (M.E.)
| | - Claudio Lombardelli
- Department of Agriculture and Forestry Science (DAFNE), Tuscia University, via S. Camillo de Lellis snc, 01100 Viterbo, Italy; (I.B.); (C.L.); (M.E.)
| | - Ilaria Cacciotti
- Department of Engineering, University of Rome “Niccolò Cusano”, INSTM RU, Via Don Carlo Gnocchi, 3, 00166 Rome, Italy
| | - Marco Esti
- Department of Agriculture and Forestry Science (DAFNE), Tuscia University, via S. Camillo de Lellis snc, 01100 Viterbo, Italy; (I.B.); (C.L.); (M.E.)
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Lisuzzo L, Cavallaro G, Milioto S, Lazzara G. Halloysite Nanotubes Coated by Chitosan for the Controlled Release of Khellin. Polymers (Basel) 2020; 12:E1766. [PMID: 32784604 PMCID: PMC7464246 DOI: 10.3390/polym12081766] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/03/2020] [Accepted: 08/05/2020] [Indexed: 02/07/2023] Open
Abstract
In this work, we have developed a novel strategy to prepare hybrid nanostructures with controlled release properties towards khellin by exploiting the electrostatic interactions between chitosan and halloysite nanotubes (HNT). Firstly, khellin was loaded into the HNT lumen by the vacuum-assisted procedure. The drug confinement within the halloysite cavity has been proved by water contact angle experiments on the HNT/khellin tablets. Therefore, the loaded nanotubes were coated with chitosan as a consequence of the attractions between the cationic biopolymer and the halloysite outer surface, which is negatively charged in a wide pH range. The effect of the ionic strength of the aqueous medium on the coating efficiency of the clay nanotubes was investigated. The surface charge properties of HNT/khellin and chitosan/HNT/khellin nanomaterials were determined by ζ potential experiments, while their morphology was explored through Scanning Electron Microscopy (SEM). Water contact angle experiments were conducted to explore the influence of the chitosan coating on the hydrophilic/hydrophobic character of halloysite external surface. Thermogravimetry (TG) experiments were conducted to study the thermal behavior of the composite nanomaterials. The amounts of loaded khellin and coated chitosan in the hybrid nanostructures were estimated by a quantitative analysis of the TG curves. The release kinetics of khellin were studied in aqueous solvents at different pH conditions (acidic, neutral and basic) and the obtained data were analyzed by the Korsmeyer-Peppas model. The release properties were interpreted on the basis of the TG and ζ potential results. In conclusion, this study demonstrates that halloysite nanotubes wrapped by chitosan layers can be effective as drug delivery systems.
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Affiliation(s)
- Lorenzo Lisuzzo
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, 90128 Palermo, Italy; (L.L.); (S.M.); (G.L.)
| | - Giuseppe Cavallaro
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, 90128 Palermo, Italy; (L.L.); (S.M.); (G.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, INSTM, Via G. Giusti, 9, I-50121 Firenze, Italy
| | - Stefana Milioto
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, 90128 Palermo, Italy; (L.L.); (S.M.); (G.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, INSTM, Via G. Giusti, 9, I-50121 Firenze, Italy
| | - Giuseppe Lazzara
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze, pad. 17, 90128 Palermo, Italy; (L.L.); (S.M.); (G.L.)
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, INSTM, Via G. Giusti, 9, I-50121 Firenze, Italy
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40
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Villa CC, Galus S, Nowacka M, Magri A, Petriccione M, Gutiérrez TJ. Molecular sieves for food applications: A review. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.05.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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41
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Tavernini L, Ottone C, Illanes A, Wilson L. Entrapment of enzyme aggregates in chitosan beads for aroma release in white wines. Int J Biol Macromol 2020; 154:1082-1090. [DOI: 10.1016/j.ijbiomac.2020.03.031] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 03/03/2020] [Accepted: 03/05/2020] [Indexed: 02/08/2023]
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Vaginal Polyelectrolyte Layer-by-Layer Films Based on Chitosan Derivatives and Eudragit ® S100 for pH Responsive Release of Tenofovir. Mar Drugs 2020; 18:md18010044. [PMID: 31936439 PMCID: PMC7024361 DOI: 10.3390/md18010044] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/03/2020] [Accepted: 01/06/2020] [Indexed: 12/21/2022] Open
Abstract
Women are still at high risk of contracting the human immunodeficiency virus (HIV) virus due to the lack of protection methods under their control, especially in sub-Saharan countries. Polyelectrolyte multilayer smart vaginal films based on chitosan derivatives (chitosan lactate, chitosan tartate, and chitosan citrate) and Eudragit® S100 were developed for the pH-sensitive release of Tenofovir. Films were characterized through texture analysis and scanning electron microscopy (SEM). Swelling and drug release studies were carried out in simulated vaginal fluid and a mixture of simulated vaginal and seminal fluids. Ex vivo mucoadhesion was evaluated in bovine vaginal mucosa. SEM micrographs revealed the formation of multilayer films. According to texture analysis, chitosan citrate was the most flexible compared to chitosan tartrate and lactate. The swelling studies showed a moderate water uptake (<300% in all cases), leading to the sustained release of Tenofovir in simulated vaginal fluid (up to 120 h), which was accelerated in the simulated fluid mixture (4–6 h). The films had high mucoadhesion in bovine vaginal mucosa. The multilayer films formed by a mixture of chitosan citrate and Eudragit® S100 proved to be the most promising, with zero toxicity, excellent mechanical properties, moderate swelling (<100%), high mucoadhesion capacity, and Tenofovir release of 120 h and 4 h in vaginal fluid and the simulated fluid mixture respectively.
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Shakerian F, Zhao J, Li SP. Recent development in the application of immobilized oxidative enzymes for bioremediation of hazardous micropollutants - A review. CHEMOSPHERE 2020; 239:124716. [PMID: 31521938 DOI: 10.1016/j.chemosphere.2019.124716] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 08/11/2019] [Accepted: 08/29/2019] [Indexed: 05/05/2023]
Abstract
During the past several years, abundant progresses has been made in the development of immobilized oxidative enzymes with focus on finding new support materials, improving the immobilization methods and their applications. Nowadays, immobilized oxidative enzymes are broadly accepted as a green way to face the challenge of high amounts of micropollutants in nature. Among all oxidative enzymes, laccases and horseradish peroxidase were used frequently in recent years as they are general oxidative enzymes with ability to oxidize various types of compounds. Immobilized laccase or horseradish peroxidase are showed better stability, and reusability as well as easy separation from reaction mixture that make them more favorable and economic in compared to free enzymes. However, additional improvements are still essential such as: development of the new materials for immobilization with higher capacity, easy preparation, and cheaper price. Moreover, immobilization methods are still need improving to become more efficient and avoid enzyme wasting during immobilization and enzyme leakage through working cycles.
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Affiliation(s)
- Farid Shakerian
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Jing Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China.
| | - Shao-Ping Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China.
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44
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Oliveira da Silva A, Cortez-Vega WR, Prentice C, Fonseca GG. Development and characterization of biopolymer films based on bocaiuva (Acromonia aculeata) flour. Int J Biol Macromol 2019; 155:1157-1168. [PMID: 31726125 DOI: 10.1016/j.ijbiomac.2019.11.083] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 11/06/2019] [Accepted: 11/08/2019] [Indexed: 01/11/2023]
Abstract
This work aimed to produce films based on bocaiuva flour (Acrocomia aculeata) by the casting method, and to characterise them. All obtained films were visually symmetrical, without ruptures or blistering and visually homogeneous, easy to handle with a yellowish colouration. The addition of glycerol allowed greater flexibility to the films. The tensile strength and the elongation increase as the concentration of flour increased (2.04 g 100 mL-1). The addition of oily phases increases the elongation, indicating that the essential oil incorporated into the films acted as plasticizer because it also allowed a greater permeability to water vapor. Peaks at 2Ɵ between 10.00°, 13.81°, 17.67°, 20.0° and 24.34° were observed in films with 12.56 g of starch per 100 g of pulp, which are characteristic of B-starch, due to the presence of long branched chains of amylopectin, with a peak characteristic of lignocellulosic materials. Reflection was more intense at 2Ɵ between 22° for all treatments. The obtained films presented relevant characteristics for the application as edible coating.
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Affiliation(s)
- Alessandra Oliveira da Silva
- Laboratory of Bioengineering, Faculty of Biological and Environmental Sciences, Federal University of Grande Dourados, Dourados, MS, Brazil
| | - William Renzo Cortez-Vega
- Laboratory of Bioengineering, Faculty of Biological and Environmental Sciences, Federal University of Grande Dourados, Dourados, MS, Brazil
| | - Carlos Prentice
- Laboratory of Food Technology, School of Food and Chemistry, Federal University of Rio Grande, RS, Brazil
| | - Gustavo Graciano Fonseca
- Laboratory of Bioengineering, Faculty of Biological and Environmental Sciences, Federal University of Grande Dourados, Dourados, MS, Brazil.
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45
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Yushkova ED, Nazarova EA, Matyuhina AV, Noskova AO, Shavronskaya DO, Vinogradov VV, Skvortsova NN, Krivoshapkina EF. Application of Immobilized Enzymes in Food Industry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:11553-11567. [PMID: 31553885 DOI: 10.1021/acs.jafc.9b04385] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Enzymes are macromolecular biocatalysts, widely used in food industry. In applications, enzymes are often immobilized on inert and insoluble carriers, which increase their efficiency due to multiple reusability. The properties of immobilized enzymes depend on the immobilization method and the carrier type. The choice of the carrier usually concerns the biocompatibility, chemical and thermal stability, insolubility under reaction conditions, capability of easy regeneration and reusability, as well as cost efficiency. In this review, we provide an overview of various carriers for enzyme immobilization, with the primary focus on food industry.
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Affiliation(s)
- Ekaterina D Yushkova
- ITMO University , Lomonosova Street 9 , 191002 St. Petersburg , Russian Federation
| | - Elena A Nazarova
- ITMO University , Lomonosova Street 9 , 191002 St. Petersburg , Russian Federation
| | - Anna V Matyuhina
- ITMO University , Lomonosova Street 9 , 191002 St. Petersburg , Russian Federation
| | - Alina O Noskova
- ITMO University , Lomonosova Street 9 , 191002 St. Petersburg , Russian Federation
| | - Darya O Shavronskaya
- ITMO University , Lomonosova Street 9 , 191002 St. Petersburg , Russian Federation
| | | | - Natalia N Skvortsova
- ITMO University , Lomonosova Street 9 , 191002 St. Petersburg , Russian Federation
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Feng Y, Zhong L, Hou Y, Jia S, Cui J. Acid-resistant enzyme@MOF nanocomposites with mesoporous silica shells for enzymatic applications in acidic environments. J Biotechnol 2019; 306:54-61. [PMID: 31550490 DOI: 10.1016/j.jbiotec.2019.09.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 08/16/2019] [Accepted: 09/16/2019] [Indexed: 12/11/2022]
Abstract
Zeolitic imidazole frameworks (ZIFs) with tunable pore sizes and high surface areas have recently used as an effective support for immobilizing enzymes. However, the instability in the aqueous acidic environment has limited their practical applications in some cases. In this work, we develop a novel catalase/ZIFs composite with mesoporous silica shell (mSiO2@CAT/ZIFs) via co-precipitation, and controlled self-assembly of silanes. During preparation, the cetyltrimethylammonium bromide induced the formation of the mesostructured silica layer on the outer surface of CAT/ZIFs. The resultant mSiO2@CAT/ZIFs exhibited high activity recovery (92%). Compared with the conventional CAT/ZIFs and free CAT, mSiO2@CAT/ZIFs exhibited excellent acid resistance. For example, after 30 min in acetate buffer solution (pH 3.0), the CAT/ZIFs and free CAT almost lost activity whereas the mSiO2@CAT/ZIFs still retained 35% of original activity. Meanwhile, the thermostability of the mSiO2@CAT/ZIFs was enhanced significantly compared with conventional CAT/ZIFs. In addition, the mSiO2@CAT/ZIFs displayed excellent storage stability, and retained 60% of its initial activity after 15 days storage period. Furthermore, the mSiO2@CAT/ZIFs could maintain 70% of its initial activity after 8 continuous uses, demonstrating superior reusability than the free CAT and CAT/ZIFs. These results demonstrated that the mSiO2@CAT/ZIFs are potential for practical applications even in the acidic environment.
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Affiliation(s)
- Yuxiao Feng
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin, 300457, PR China
| | - Le Zhong
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin, 300457, PR China
| | - Ying Hou
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin, 300457, PR China
| | - Shiru Jia
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin, 300457, PR China.
| | - Jiandong Cui
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, Tianjin Engineering Research Center of Microbial Metabolism and Fermentation Process Control, Tianjin University of Science and Technology, No 29, 13th, Avenue, Tianjin Economic and Technological Development Area (TEDA), Tianjin, 300457, PR China.
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Mohammadi M, Khakbaz Heshmati M, Sarabandi K, Fathi M, Lim LT, Hamishehkar H. Activated alginate-montmorillonite beads as an efficient carrier for pectinase immobilization. Int J Biol Macromol 2019; 137:253-260. [DOI: 10.1016/j.ijbiomac.2019.06.236] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/27/2019] [Accepted: 06/28/2019] [Indexed: 01/03/2023]
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48
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Preparation and characterisation of novel water-soluble β-carotene-chitooligosaccharides complexes. Carbohydr Polym 2019; 225:115226. [PMID: 31521299 DOI: 10.1016/j.carbpol.2019.115226] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 08/06/2019] [Accepted: 08/20/2019] [Indexed: 02/06/2023]
Abstract
β-carotene and chitooligosaccharides are bioactive compounds that find their application in the food industry as well in biomedical fields. However, the application of β-carotene is limited due to its very low water solubility, as well as its air, light and temperature sensitivity. The preparation of β-carotene-chitooligosaccharides complexes by mechanochemical methods was presented. Their physical and chemical properties including solubility, size, zeta potential and radical scavenging activity were investigated. The interaction of the two components was shown by NMR, FT-IR, and Raman spectroscopy. The complexes were analysed by scanning and transmission electron microscopy. Chitooligosaccharides could serve as a carrier for β-carotene delivery. The complexation did not cause the loss of the radical scavenging activity of β-carotene and guaranteed its water solubility.
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Čalija B, Milić J, Milašinović N, Daković A, Trifković K, Stojanović J, Krajišnik D. Functionality of chitosan‐halloysite nanocomposite films for sustained delivery of antibiotics: The effect of chitosan molar mass. J Appl Polym Sci 2019. [DOI: 10.1002/app.48406] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Bojan Čalija
- Department of Pharmaceutical Technology and Cosmetology, Faculty of PharmacyUniversity of Belgrade, 11221 Serbia
| | - Jela Milić
- Department of Pharmaceutical Technology and Cosmetology, Faculty of PharmacyUniversity of Belgrade, 11221 Serbia
| | - Nikola Milašinović
- Department of ForensicsUniversity of Criminal Investigation and Police Studies 11080 Belgrade Serbia
- Faculty of Technology and Metallurgy, Department of Chemical EngineeringUniversity of Belgrade 11000 Belgrade Serbia
| | - Aleksandra Daković
- Institute for the Technology of Nuclear and Other Mineral Raw Materials 11000 Belgrade Serbia
| | - Kata Trifković
- Faculty of Technology and Metallurgy, Department of Chemical EngineeringUniversity of Belgrade 11000 Belgrade Serbia
| | - Jovica Stojanović
- Institute for the Technology of Nuclear and Other Mineral Raw Materials 11000 Belgrade Serbia
| | - Danina Krajišnik
- Department of Pharmaceutical Technology and Cosmetology, Faculty of PharmacyUniversity of Belgrade, 11221 Serbia
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50
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Chitosan Nanocomposite Coatings for Food, Paints, and Water Treatment Applications. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9122409] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Worldwide, millions of tons of crustaceans are produced every year and consumed as protein-rich seafood. However, the shells of the crustaceans and other non-edible parts constituting about half of the body mass are usually discarded as waste. These discarded crustacean shells are a prominent source of polysaccharide (chitin) and protein. Chitosan is a de-acetylated form of chitin obtained from the crustacean waste that has attracted attention for applications in food, biomedical, and paint industries due to its characteristic properties, like solubility in weak acids, film-forming ability, pH-sensitivity, biodegradability, and biocompatibility. We present an overview of the application of chitosan in composite coatings for applications in food, paint, and water treatment. In the context of food industries, the main focus is on fabrication and application of chitosan-based composite films and coatings for prolonging the post-harvest life of fruits and vegetables, whereas anti-corrosion and self-healing properties are the main properties considered for antifouling applications in paints in this review.
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