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Hussain I, Fatima S, Tabish M. Unravelling the molecular interactions of phenyl isothiocyanate and benzoyl isothiocyanate with human lysozyme: Biophysical and computational analyses. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 304:123408. [PMID: 37717484 DOI: 10.1016/j.saa.2023.123408] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 09/19/2023]
Abstract
Phenyl isothiocyanate and benzoyl isothiocyanate are the phytochemicals present in the Brassicaceae family. They have antibacterial, antiapoptotic and antifungal properties. Protein-small molecule interaction studies are done to assess the changes in structure, dynamics, and functions of protein and to decipher the binding mechanism. This study is based on the comparative binding of PT and BT with human lysozyme using in vitro and computational techniques. UV, fluorescence emission, and FRET spectra gave insight into the complex formation, quenching mechanism, and binding parameters. Both PT and BT quenched the intrinsic fluorescence of Lyz by a static quenching mechanism. Synchronous, 3D fluorescence and CD spectroscopy substantiated conformational and microenvironmental alterations in the Lyz. The metal ions and β-cyclodextrin had a pronounced effect on the binding strength of Lyz-PT and Lyz-BT complexes. Accessible surface area analysis was determined to characterise the amino acid residue packing. Molecular docking further validated the wet lab experimental results.
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Affiliation(s)
- Irfan Hussain
- Department of Biochemistry, Faculty of Life Sciences, A.M.U, Aligarh, UP 202002, India
| | - Sana Fatima
- Department of Biochemistry, Faculty of Life Sciences, A.M.U, Aligarh, UP 202002, India
| | - Mohammad Tabish
- Department of Biochemistry, Faculty of Life Sciences, A.M.U, Aligarh, UP 202002, India.
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2
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Agarwala P, Ghosh A, Hazarika P, Acharjee D, Ghosh S, Rout D, Sasmal DK. Unraveling the Interaction of Diflunisal with Cyclodextrin and Lysozyme by Fluorescence Spectroscopy. J Phys Chem B 2023; 127:9710-9723. [PMID: 37917720 DOI: 10.1021/acs.jpcb.3c04295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Understanding the interaction between the drug:carrier complex and protein is essential for the development of a new drug-delivery system. However, the majority of reports are based on an understanding of interactions between the drug and protein. Here, we present our findings on the interaction of the anti-inflammatory drug diflunisal with the drug carrier cyclodextrin (CD) and the protein lysozyme, utilizing steady-state and time-resolved fluorescence spectroscopy. Our findings reveal a different pattern of molecular interaction between the inclusion complex of β-CD (β-CD) or hydroxypropyl-β-CD (HP-β-CD) (as the host) and diflunisal (as the guest) in the presence of protein lysozyme. The quantum yield for the 1:2 guest:host complex is twice that of the 1:1 guest:host complex, indicating a more stable hydrophobic microenvironment created in the 1:2 complex. Consequently, the nonradiative decay pathway is significantly reduced. The interaction is characterized by ultrafast solvation dynamics and time-resolved fluorescence resonance energy transfer. The solvation dynamics of the lysozyme becomes 10% faster under the condition of binding with the drug, indicating a negligible change in the polar environment after binding. In addition, the fluorescence lifetime of diflunisal (acceptor) is increased by 50% in the presence of the lysozyme (donor), which indicates that the drug molecule is bound to the binding pocket on the surface of the protein, and the average distance between active tryptophan in the hydrophobic region and diflunisal is calculated to be approximately 50 Å. Excitation and emission matrix spectroscopy reveals that the tryptophan emission increases 3-5 times in the presence of both diflunisal and CD. This indicates that the tryptophan of lysozyme may be present in a more hydrophobic environment in the presence of both diflunisal and CD. Our observations on the interaction of diflunisal with β-CD and lysozyme are well supported by molecular dynamics simulation. Results from this study may have an impact on the development of a better drug-delivery system in the future. It also reveals a fundamental molecular mechanism of interaction of the drug-carrier complex with the protein.
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Affiliation(s)
- Pratibha Agarwala
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan 342037, India
| | - Arabinda Ghosh
- Department of Computational Biology and Biotechnology, Mahapurusha Srimanta Sankaradeva Viswavidyalaya, Guwahati Unit, Guwahati, Assam 781032, India
| | - Priyanka Hazarika
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan 342037, India
| | - Debopam Acharjee
- School of Chemical Sciences, National Institute of Science Education and Research, An OCC of Homi Bhabha National Institute (HBNI), Khurda, Odisha 752050, India
| | - Shirsendu Ghosh
- Department of Chemistry, Gandhi Institute of Technology and Management (GITAM), Hyderabad Campus, Hyderabad 502329, India
| | - Debasish Rout
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan 342037, India
| | - Dibyendu K Sasmal
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jodhpur, Rajasthan 342037, India
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3
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Sun L, Lu H, Wang J, Chen Q, Zhao J, Ma J, Liang T. Electroseparation of lysozyme from egg white by electrodialysis with ultrafiltration membrane. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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4
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Basu A, Mahammad A, Das A. Inhibition of the formation of lysozyme fibrillar assemblies by the isoquinoline alkaloid coralyne. NEW J CHEM 2022. [DOI: 10.1039/d1nj06007d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The isoquinoline alkaloid coralyne can efficiently attenuate fibrillogenesis in lysozyme.
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Affiliation(s)
- Anirban Basu
- Department of Chemistry, Vidyasagar University, Midnapore 721 102, India
| | - Adil Mahammad
- Department of Chemistry, Vidyasagar University, Midnapore 721 102, India
| | - Arindam Das
- Department of Chemistry, Vidyasagar University, Midnapore 721 102, India
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5
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Belchior DC, Freire MG. Simultaneous separation of egg white proteins using aqueous three-phase partitioning systems. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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6
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Ali MS, Waseem M, Subbarao N, Al-Lohedan HA. Dynamic interaction between lysozyme and ceftazidime: Experimental and molecular simulation approaches. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115412] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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7
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Sozbilen GS, Yemenicioğlu A. Antilisterial effects of lysozyme-nisin combination at temperature and pH ranges optimal for lysozyme activity: Test of key findings to inactivate Listeria in raw milk. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110447] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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8
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An enhanced antibacterial nanoflowers AgPW@PDA@Nisin constructed from polyoxometalate and nisin. J Inorg Biochem 2020; 212:111212. [PMID: 32920432 DOI: 10.1016/j.jinorgbio.2020.111212] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 12/25/2022]
Abstract
A new composite, AgPW@PDA@Nisin, with shell-core structure was successfully synthesized by a polydopamine (PDA) surfaced conjugated nisin (an antibacterial 34 amino acid polycyclic peptide) as shell and polyoxometalates (Ag3PW12O40 = AgPW) as core. The composite was characterized by the zeta potential, scanning electron microscopy (SEM), transmission electron microscope (TEM), X-ray diffraction analysis (XRD), fourier transform infrared (FT-IR). The AgPW@PDA@Nisin showed flower hierarchical structure and potential antibacterial activity against S. aureus ATCC29213. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of it were 4 and 32 μg/mL. AgPW@PDA@Nisin nanoflowers-induced bacterial death bears the characteristic of cell morphology, membrane integrity and permeability changing, nucleotide leakage. It indicated that the AgPW@PDA@Nisin interfere with the cell membrane, resulting in antibacterial activity against S. aureus. The cytotoxicity of the nanoflowers was low on HDF-a (human dermal fibroblasts) cells. A new class of hybrid inorganic-organic nanoflowers based on polyoxometalates and nisin with enhanced antibacterial properties can be developed for food preservation.
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Conte A, Lecce L, Iannetti M, Nobile MAD. Study on the Influence of Bio-Based Packaging System on Sodium Benzoate Release Kinetics. Foods 2020; 9:E1010. [PMID: 32727066 PMCID: PMC7466247 DOI: 10.3390/foods9081010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 07/21/2020] [Accepted: 07/24/2020] [Indexed: 12/22/2022] Open
Abstract
The influence of film structure on the release kinetics of sodium benzoate (SB) from polymeric films is addressed in this study. In particular, four film structures were investigated, two monolayer and two multilayer systems. In particular, in one case, the active substance was uniformly distributed into a chitosan-based matrix, and in the other one, it was previously incorporated into alginate beads before dispersion in the chitosan film, thus realizing two types of monolayer films; on the other hand, the same chitosan film with SB encapsulated in alginate beads was used as the inner layer of a multilayer system constituted by two side films of alginate. The two alginate-based layers were made with two different thicknesses, thus producing a total of two multilayer systems. The release of SB from the above-mentioned films in water was studied by means of a UV/VIS spectrophotometer at 227 nm. A first-order kinetics-type equation was used to quantitatively describe the release data. Results suggest that the film structure strongly affected the release kinetics. In fact, monolayer films showed single-stage release kinetics, whereas the two investigated multilayer systems showed two-stage release kinetics. Further, the presence of alginate beads strongly affected the SB release, thus suggesting the potential of encapsulation to control the release mechanism of active compounds.
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Affiliation(s)
| | | | | | - Matteo Alessandro Del Nobile
- Department of Agricultural Sciences, Food and Environment, University of Foggia, via Napoli, 25-71121 Foggia, Italy; (A.C.); (L.L.); (M.I.)
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Abstract
In recent years, food packaging has evolved from an inert and polluting waste that remains after using the product toward an active item that can be consumed along with the food it contains. Edible films and coatings represent a healthy alternative to classic food packaging. Therefore, a significant number of studies have focused on the development of biodegradable enveloping materials based on biopolymers. Animal and vegetal proteins, starch, and chitosan from different sources have been used to prepare adequate packaging for perishable food. Moreover, these edible layers have the ability to carry different active substances such as essential oils—plant extracts containing polyphenols—which bring them considerable antioxidant and antimicrobial activity. This review presents the latest updates on the use of edible films/coatings with different compositions with a focus on natural compounds from plants, and it also includes an assessment of their mechanical and physicochemical features. The plant compounds are essential in many cases for considerable improvement of the organoleptic qualities of embedded food, since they protect the food from different aggressive pathogens. Moreover, some of these useful compounds can be extracted from waste such as pomace, peels etc., which contributes to the sustainable development of this industry.
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Ali MS, Al-Lohedan HA. Spectroscopic and Molecular Docking Investigation on the Noncovalent Interaction of Lysozyme with Saffron Constituent "Safranal". ACS OMEGA 2020; 5:9131-9141. [PMID: 32363265 PMCID: PMC7191604 DOI: 10.1021/acsomega.9b04291] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 03/26/2020] [Indexed: 05/05/2023]
Abstract
Owing to the various beneficial properties of the popular spice saffron, the interaction of safranal, a secondary metabolite of the former, with hen egg white lysozyme was investigated. The formation of a complex was evidenced by UV-visible spectroscopy. Fluorescence quenching experiments were also performed to understand the binding mechanism and to evaluate the forces involved in binding. The strong absorption of safranal in the range of excitation and emission wavelengths of lysozyme fluorescence required the correction of the inner filter effect for fluorescence spectra to obtain the apparent extent of binding. There was a considerable difference between the observed spectra and corrected spectra, and a similar observation was found in the case of synchronous fluorescence spectra. From the analysis of quenching data, it was found that the mechanism involved in quenching was static with 1:1 binding between them. The interaction was found to be driven, mainly, by hydrophobic forces and hydrogen bonding. Safranal had negligible impact on the secondary structure of lysozyme. The interaction was also studied by molecular docking, and the results were in good agreement with the results obtained experimentally. The binding site of safranal was in the big hydrophobic cavity of lysozyme. The amino acids involved in the interaction were Asp52, Ile58, Gln57, Asn59, Trp62, Trp63, Trp108, Ile98, Asp101, and Ala107.
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12
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Belchior DC, Quental MV, Pereira MM, Mendonça CM, Duarte IF, Freire MG. Performance of tetraalkylammonium-based ionic liquids as constituents of aqueous biphasic systems in the extraction of ovalbumin and lysozyme. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116019] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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13
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Development of grapefruit seed extract-loaded poly(ε-caprolactone)/chitosan films for antimicrobial food packaging. Food Packag Shelf Life 2019. [DOI: 10.1016/j.fpsl.2019.100396] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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14
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Synthesis of Antimicrobial Films Based on Low-Density Polyethylene (LDPE) and Zeolite A Containing Silver. COATINGS 2019. [DOI: 10.3390/coatings9120786] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The present study aimed at the preparation of antimicrobial films based on low-density polyethylene (LDPE), with zeolite exchanged with Silver (Ag) in 1, 5 and 10 wt.%. Zeolites with Ag were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and X-ray Fluorescence (XRF). LDPE films with added silver-substituted zeolite A were synthesized by wet-casting, with the zeolite content in the films ranging from 1–5 wt.%. The antibacterial activity of the silver-substituted zeolite was assessed according to its minimum inhibitory concentration (MIC), using Escherischia coli as the target bacteria. LDPE films with silver-loaded zeolite were also tested against E. coli and Staphylococcus aureus. Silver insertion in the zeolite did not change its structure. The MIC of the zeolite with 1% silver and a concentration of 0.05 mg zeolite/mL was not able to inhibit the visible growth of the bacteria; however, an increased silver concentration resulted in total inhibition after 24 h of incubation. Zeolites with 5% and 10% of silver showed a MIC of 0.05 mg zeolite/mL. The films with best antibacterial activity against E. coli and S. aureus were those prepared with 5 wt.% zeolites loaded with 5% and 10% of silver. LDPE films with silver-loaded zeolite A are potential resources in the development of active packaging for food preservation and safety.
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15
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Boyacı D, Iorio G, Sozbilen GS, Alkan D, Trabattoni S, Pucillo F, Farris S, Yemenicioğlu A. Development of flexible antimicrobial zein coatings with essential oils for the inhibition of critical pathogens on the surface of whole fruits: Test of coatings on inoculated melons. Food Packag Shelf Life 2019. [DOI: 10.1016/j.fpsl.2019.100316] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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16
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Huang T, Qian Y, Wei J, Zhou C. Polymeric Antimicrobial Food Packaging and Its Applications. Polymers (Basel) 2019; 11:E560. [PMID: 30960544 PMCID: PMC6473891 DOI: 10.3390/polym11030560] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/16/2019] [Accepted: 03/21/2019] [Indexed: 01/02/2023] Open
Abstract
Food corruption and spoilage caused by food-borne pathogens and microorganisms is a serious problem. As a result, the demand for antibacterial drugs in food packaging is growing. In this review, biodegradable and non-biodegradable materials for food packaging are discussed based on their properties. Most importantly, antibacterial agents are essential to inhibit the growth of bacteria in food. To keep food fresh and prolong the shelf life, different kinds of antibacterial agents were used. The composition and application of natural antibacterial agents and synthetic antibacterial agents are discussed. Compared with natural antibacterial agents, synthetic antibacterial agents have the advantages of low cost and high activity, but their toxicity is usually higher than that of natural antibacterial agents. Finally, future development of antimicrobial food packaging is proposed. It is an urgent problem for researchers to design and synthesize antibacterial drugs with high efficiency and low toxicity.
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Affiliation(s)
- Tianqi Huang
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China.
| | - Yusheng Qian
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China.
| | - Jia Wei
- Department of Materials Science, Fudan University, Shanghai 200433, China.
| | - Chuncai Zhou
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China.
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17
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Zein/diclofenac sodium coprecipitation at micrometric and nanometric range by supercritical antisolvent processing. J CO2 UTIL 2018. [DOI: 10.1016/j.jcou.2018.08.015] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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18
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Khan BM, Cheong KL, Liu Y. ATPS: “Aqueous two-phase system” as the “answer to protein separation” for protein-processing food industry. Crit Rev Food Sci Nutr 2018; 59:3165-3178. [PMID: 29883189 DOI: 10.1080/10408398.2018.1486283] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Bilal Muhammad Khan
- Guangdong Provincial Key Laboratory of Marine Biotechnology, STU-UNIVPM Joint Algal Research Center, Department of Biology, College of Science, Shantou University, Shantou, Guangdong, PR China
| | - Kit-Leong Cheong
- Guangdong Provincial Key Laboratory of Marine Biotechnology, STU-UNIVPM Joint Algal Research Center, Department of Biology, College of Science, Shantou University, Shantou, Guangdong, PR China
| | - Yang Liu
- Guangdong Provincial Key Laboratory of Marine Biotechnology, STU-UNIVPM Joint Algal Research Center, Department of Biology, College of Science, Shantou University, Shantou, Guangdong, PR China
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Mousavi Khaneghah A, Hashemi SMB, Eş I, Fracassetti D, Limbo S. Efficacy of Antimicrobial Agents for Food Contact Applications: Biological Activity, Incorporation into Packaging, and Assessment Methods: A Review. J Food Prot 2018; 81:1142-1156. [PMID: 29939788 DOI: 10.4315/0362-028x.jfp-17-509] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Interest in the utilization of antimicrobial active packaging for food products has increased in recent years. Antimicrobial active packaging involves the incorporation of antimicrobial compounds into packaging materials, with the aim of maintaining or extending food quality and shelf life. Plant extracts, essential oils, organic acids, bacteriocins, inorganic substances, enzymes, and proteins are used as antimicrobial agents in active packaging. Evaluation of the antimicrobial activity of packaging materials using different methods has become a critical issue for both food safety and the commercial utilization of such packaging technology. This article reviews the different types of antimicrobial agents used for active food packaging materials, the main incorporation techniques, and the assessment methods used to examine the antimicrobial activity of packaging materials, taking into account their safety as food contact materials.
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Affiliation(s)
| | | | - Ismail Eş
- 3 Department of Material and Bioprocess Engineering, Faculty of Chemical Engineering, University of Campinas (UNICAMP), Campinas, São Paulo, Brazil (ORCID: http://orcid.org/0000-0001-5769-0004 [A.M.K.])
| | - Daniela Fracassetti
- 4 Department of Food Environmental and Nutritional Sciences, Università degli Studi di Milano, Milan 20123, Italy (ORCID: http://orcid.org/0000-0002-4739-4751 [S.L.])
| | - Sara Limbo
- 4 Department of Food Environmental and Nutritional Sciences, Università degli Studi di Milano, Milan 20123, Italy (ORCID: http://orcid.org/0000-0002-4739-4751 [S.L.])
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Boyacı D, Yemenicioğlu A. Expanding horizons of active packaging: Design of consumer-controlled release systems helps risk management of susceptible individuals. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2017.12.038] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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21
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Liao AH, Hung CR, Chen HK, Chiang CP. Ultrasound-Mediated EGF-Coated-Microbubble Cavitation in Dressings for Wound-Healing Applications. Sci Rep 2018; 8:8327. [PMID: 29844469 PMCID: PMC5974178 DOI: 10.1038/s41598-018-26702-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 05/17/2018] [Indexed: 02/07/2023] Open
Abstract
The feasibility of ultrasound (US) controlled cavitation for transdermal drug delivery (TDD) using gas-filled microbubbles (MBs) has been explored. However, liquid or gel-type MBs is not easy used for TDD. The present study investigated a new treatment model for evaluating the US-mediated liquid-type epidermal growth factor (EGF)-coated lysozyme microbubble (LYMB) cavitation in a wound dressing for enhancing wound healing. The maximum loading efficacy of EGF onto LYMBs was 19.40 ± 0.04%. In terms of the in vitro treatment efficacy, the growth of Staphylococcus aureus was inhibited by 97.50 ± 1.50% in the group with LYMBs exposed to 3 W/cm2 US. During 21 days in vivo wound healing experiments, the recovery rate during the first 6 days was significant higher in the group with EGF-LYMB dressings and US exposure (day 6: 54.28 ± 3.26%) than in the control group (day 6: 26.36 ± 3.34%) (p < 0.05). Our results show that the new model can significantly reduce the treatment duration during wound healing.
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Affiliation(s)
- Ai-Ho Liao
- Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei, 10607, Taiwan. .,Department of Biomedical Engineering, National Defense Medical Center, Taipei, 11490, Taiwan.
| | - Chi-Ray Hung
- Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei, 10607, Taiwan
| | - Hang-Kang Chen
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, 11490, Taiwan.,Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, 11490, Taiwan
| | - Chien-Ping Chiang
- Department of Dermatology, Tri-Service General Hospital, National Defense Medical Center, Taipei, 11490, Taiwan.,Department of Biochemistry, National Defense Medical Center, Taipei, 11490, Taiwan
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22
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Saha B, Chowdhury S, Sanyal D, Chattopadhyay K, Suresh Kumar G. Comparative Study of Toluidine Blue O and Methylene Blue Binding to Lysozyme and Their Inhibitory Effects on Protein Aggregation. ACS OMEGA 2018; 3:2588-2601. [PMID: 30023840 PMCID: PMC6044680 DOI: 10.1021/acsomega.7b01991] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Accepted: 02/19/2018] [Indexed: 06/01/2023]
Abstract
A comparative binding interaction of toluidine blue O (TBO) and methylene blue (MB) with lysozyme was investigated by multifaceted biophysical approaches as well as from the aspects of in silico biophysics. The bindings were static, and it occurred via ground-state complex formation as confirmed from time-resolved fluorescence experiments. From steady-state fluorescence and anisotropy, binding constants were calculated, and it was found that TBO binds more effectively than MB. Synchronous fluorescence spectra revealed that binding of dyes to lysozyme causes polarity changes around the tryptophan (Trp) moiety, most likely at Trp 62 and 63. Calorimetric titration also depicts the higher binding affinity of TBO over MB, and the interactions were exothermic and entropy-driven. In silico studies revealed the potential binding pockets in lysozyme and the participation of residues Trp 62 and 63 in ligand binding. Furthermore, calculations of thermodynamic parameters from the theoretical docking studies were in compliance with experimental observations. Moreover, an inhibitory effect of these dyes to lysozyme fibrillogenesis was examined, and the morphology of the formed fibril was scanned by atomic force microscopy imaging. TBO was observed to exhibit higher potential in inhibiting the fibrillogenesis than MB, and this phenomenon stands out as a promising antiamyloid therapeutic strategy.
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Affiliation(s)
- Baishakhi Saha
- Organic
and Medicinal Chemistry Division, CSIR-Indian
Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700 032, India
| | - Sourav Chowdhury
- Structural
Biology and Bioinformatics Division, CSIR-Indian
Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700 032, India
| | - Dwipanjan Sanyal
- Structural
Biology and Bioinformatics Division, CSIR-Indian
Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700 032, India
| | - Krishnananda Chattopadhyay
- Structural
Biology and Bioinformatics Division, CSIR-Indian
Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700 032, India
| | - Gopinatha Suresh Kumar
- Organic
and Medicinal Chemistry Division, CSIR-Indian
Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata 700 032, India
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23
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Exploring the non-covalent binding behaviours of 7-hydroxyflavone and 3-hydroxyflavone with hen egg white lysozyme: Multi-spectroscopic and molecular docking perspectives. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 180:25-38. [DOI: 10.1016/j.jphotobiol.2018.01.021] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 01/18/2018] [Accepted: 01/21/2018] [Indexed: 12/11/2022]
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Bayazidi P, Almasi H, Asl AK. Immobilization of lysozyme on bacterial cellulose nanofibers: Characteristics, antimicrobial activity and morphological properties. Int J Biol Macromol 2017; 107:2544-2551. [PMID: 29079438 DOI: 10.1016/j.ijbiomac.2017.10.137] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 10/13/2017] [Accepted: 10/22/2017] [Indexed: 11/18/2022]
Abstract
The aim of this study was to immobilize of lysozyme onto bacterial cellulose nanofibers (BCNF) using physical absorption method. Antimicrobial activity and other properties of immobilized lysozyme and also morphological characteristics of BCNF were studied. Activity of lysozyme was decreased about 12% after immobilization. The lysozyme concentration of 1mg/ml was chosen for next studies on immobilized enzyme. The optimum pH and temperature were recorded as 7 and 45°C, respectively for immobilized enzyme. Storage stability was increased and immobilized lysozyme exhibited more than 70% of its initial activity after 9 cycles. Kinetic parameters of Km and Vmax were 31.18μg/ml and 112.35 ΔOD/min, respectively for immobilized enzyme. Antimicrobial activity of lysozyme against Staphylococcus aureus, Escherichia coli, Listeria monocytogenes, Yersinia entrocolitica, Aspergillus niger and Saccharomyces serviseae was increased after immobilization. The XRD analyses showed a decrease in diffraction intensities and crystallinity index of BCNF after immobilization of lysozyme. According to the results of scanning electron microscopy (SEM), the diameter of nanofibers was increased by lysozyme incorporation. This study demonstrates the potential for the use of BCNF as carrier for lysozyme immobilization.
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Affiliation(s)
- Pashew Bayazidi
- Department of Food Science and Technology, Faculty of Agriculture, Saba Higher Education Institute, Urmia, Iran
| | - Hadi Almasi
- Department of Food Science and Technology, Faculty of Agriculture, Urmia University, Urmia, Iran.
| | - Asghar Khosrowshahi Asl
- Department of Food Science and Technology, Faculty of Agriculture, Urmia University, Urmia, Iran
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25
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Oregano essential oil-based natural antimicrobial packaging film to inactivate Salmonella enterica and yeasts/molds in the atmosphere surrounding cherry tomatoes. Food Microbiol 2017; 65:114-121. [DOI: 10.1016/j.fm.2017.02.004] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 02/06/2017] [Accepted: 02/09/2017] [Indexed: 01/09/2023]
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26
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Basu A, Suresh Kumar G. Binding and Inhibitory Effect of the Dyes Amaranth and Tartrazine on Amyloid Fibrillation in Lysozyme. J Phys Chem B 2017; 121:1222-1239. [DOI: 10.1021/acs.jpcb.6b10465] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Anirban Basu
- Biophysical Chemistry Laboratory Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, Kolkata 700 032, India
| | - Gopinatha Suresh Kumar
- Biophysical Chemistry Laboratory Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, Kolkata 700 032, India
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Development of activate-at-home-type edible antimicrobial films: An example pH-triggering mechanism formed for smoked salmon slices using lysozyme in whey protein films. Food Hydrocoll 2016. [DOI: 10.1016/j.foodhyd.2016.03.032] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Antioxidant and antimicrobial effects of zein edible film impregnated with Zataria multiflora Boiss. essential oil and monolaurin. Lebensm Wiss Technol 2016. [DOI: 10.1016/j.lwt.2016.04.026] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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29
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Dharmaraj VL, Godfrin PD, Liu Y, Hudson SD. Rheology of clustering protein solutions. BIOMICROFLUIDICS 2016; 10:043509. [PMID: 27478524 PMCID: PMC4947037 DOI: 10.1063/1.4955162] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Accepted: 06/22/2016] [Indexed: 05/26/2023]
Abstract
High viscosity is a major challenge with protein therapeutics at extremely high concentrations. To overcome this obstacle, it is essential to understand the relationship between the concentration of a protein solution and its viscosity as a function of shear rate and temperature. Here, lysozyme is a model charged globular protein having both short-ranged attraction (SA) and long-ranged repulsion (LR) that promote the formation of dynamic clusters at high concentrations. We report viscosity measurements from a micro-capillary rheometer (using only several microliters of solution) over a wide range of lysozyme solution concentrations, shear rates, and temperatures. Solution structural relaxation dynamics are also probed by dynamic light scattering (DLS). As a result of lysozyme's SALR interactions, the viscosity increased dramatically across all shear rates with increasing concentration and decreasing temperature. While most of the solutions exhibited Newtonian behavior, shear thinning was exhibited at the highest concentration (480 g/l) and lowest temperatures at shear rates above approximately 10(4 )s(-1). The onset shear rate for thinning and a structural relaxation rate estimated from a slow-mode measured by DLS are compared. These measurements provide insights into the properties of protein solutions and their microscopic structural origins.
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Affiliation(s)
| | | | | | - Steven D Hudson
- Polymers and Complex Fluids Group, Materials Science and Engineering Division, National Institute of Standards and Technology , Gaithersburg, Maryland 20899, USA
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Genipin cross-linked antimicrobial nanocomposite films and gamma irradiation to prevent the surface growth of bacteria in fresh meats. INNOV FOOD SCI EMERG 2016. [DOI: 10.1016/j.ifset.2016.03.011] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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31
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Abouhmad A, Mamo G, Dishisha T, Amin MA, Hatti-Kaul R. T4 lysozyme fused with cellulose-binding module for antimicrobial cellulosic wound dressing materials. J Appl Microbiol 2016; 121:115-25. [PMID: 27028513 DOI: 10.1111/jam.13146] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 03/13/2016] [Accepted: 03/23/2016] [Indexed: 12/19/2022]
Abstract
AIMS Bacterial infection is a major challenge in wound care. Antimicrobial wound dressings are of great value for treating wound infections. Endolysins are evolving as a new class of antimicrobials with multiple applications. This study describes the production and evaluation of T4 lysozyme (T4Lyz), product of gene e of the T4 bacteriophage, fused with Cellulose Binding Module (CBM) for facile immobilization to cellulosic wound dressing. METHODS AND RESULTS Genes encoding T4Lyz-CBM and T4Lyz were cloned and expressed in Escherichia coli and the enzymes were purified by cation exchange chromatography. While the CBM tag did not alter the optimum pH and stability features of T4Lyz, the lytic activity of the fusion protein was lowered. The bactericidal activity of T4Lyz-CBM, determined by viable count plating assay after 1 h incubation with Micrococcus lysodeikticus was 97·5% with 10 μg ml(-1) , and 99·96% and 95% for E. coli and Pseudomonas mendocina, respectively, with 200 μg ml(-1) enzyme. T4Lyz-CBM was immobilized to wound dressing gauze with a capacity of 5·5 μg mg(-1) matrix, whereas the unmodified T4Lyz did not exhibit any binding. The immobilized protein retained its bactericidal activity against Gram-positive and Gram-negative bacteria. Both free and immobilized T4Lyz-CBM, after heat denaturation, retained their bactericidal activities against Gram-negative bacteria only. The immobilized enzyme exhibited higher stability than the free enzyme when stored in dry form or in the presence of polyol stabilizers. CONCLUSION Tagging T4Lyz with CBM provides a facile, irreversible binding to cellulosic wound dressing while retaining its activity. This approach may be suitable even for other antimicrobial enzymes and -peptides. SIGNIFICANCE AND IMPACT OF THE STUDY The spread of antibiotic resistance requires innovative strategies for discovery and development of effective antimicrobial alternatives. This report presents a novel strategy for producing antimicrobial wound dressing materials.
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Affiliation(s)
- A Abouhmad
- Division of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, Lund, Sweden.,Department of Microbiology and Immunology, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
| | - G Mamo
- Division of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, Lund, Sweden
| | - T Dishisha
- Division of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, Lund, Sweden.,Department of Microbiology and Immunology, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - M A Amin
- Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - R Hatti-Kaul
- Division of Biotechnology, Center for Chemistry and Chemical Engineering, Lund University, Lund, Sweden
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32
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Alkan D, Yemenicioğlu A. Potential application of natural phenolic antimicrobials and edible film technology against bacterial plant pathogens. Food Hydrocoll 2016. [DOI: 10.1016/j.foodhyd.2015.10.025] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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33
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Chitosan: A Potential Therapeutic Dressing Material for Wound Healing. SPRINGER SERIES ON POLYMER AND COMPOSITE MATERIALS 2016. [DOI: 10.1007/978-81-322-2511-9_8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Godfrin PD, Hudson SD, Hong K, Porcar L, Falus P, Wagner NJ, Liu Y. Short-Time Glassy Dynamics in Viscous Protein Solutions with Competing Interactions. PHYSICAL REVIEW LETTERS 2015; 115:228302. [PMID: 26650319 DOI: 10.1103/physrevlett.115.228302] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Indexed: 06/05/2023]
Abstract
The glass transition of colloidal dispersions interacting with both a short-ranged attraction and long-ranged repulsion is studied using highly purified lysozyme solutions. Newtonian liquid behavior is observed at all conditions while measurements of the dynamics in the short-time limit show features typical of glassy colloidal systems at high protein concentrations. This interesting behavior is due to the competition of the attraction and repulsion that produces a heterogeneous microstructure only at intermediate range length scales. The results demonstrate that theories for the macroscopic properties of systems with competing interactions need to include intermediate range order.
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Affiliation(s)
- P Douglas Godfrin
- Center for Neutron Science, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, USA
| | - Steven D Hudson
- Polymers and Complex Fluids Group, NIST, Gaithersburg, Maryland 20899, USA
| | - Kunlun Hong
- Center for Nanophase Materials and Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
| | - Lionel Porcar
- Institut Laue-Langevin, 71 avenue des Martyrs, CS 20156, 38042 Grenoble cedex 9, France
| | - Peter Falus
- Institut Laue-Langevin, 71 avenue des Martyrs, CS 20156, 38042 Grenoble cedex 9, France
| | - Norman J Wagner
- Center for Neutron Science, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, USA
| | - Yun Liu
- Center for Neutron Science, Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, USA
- Center for Neutron Research, NIST, Gaithersburg, Maryland 20899, USA
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35
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Naseri S, Hum J, Lepry WC, Miri AK, Nazhat SN, Boccaccini AR. Fabrication and characterization of zein–bioactive glass scaffolds. BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS 2015. [DOI: 10.1680/bbn.14.00025] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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36
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Jash C, Basu P, Payghan PV, Ghoshal N, Kumar GS. Chelerythrine–lysozyme interaction: spectroscopic studies, thermodynamics and molecular modeling exploration. Phys Chem Chem Phys 2015; 17:16630-45. [DOI: 10.1039/c5cp00424a] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The binding of the iminium and alkanolamine forms of chelerythrine to lysozyme (Lyz) was investigated by spectroscopy and molecular modeling studies.
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Affiliation(s)
- Chandrima Jash
- Biophysical Chemistry Laboratory
- Chemistry Division
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700 032
- India
| | - Pritha Basu
- Biophysical Chemistry Laboratory
- Chemistry Division
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700 032
- India
| | - Pavan V. Payghan
- Structural Biology and Bioinformatics Division
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700 032
- India
| | - Nanda Ghoshal
- Structural Biology and Bioinformatics Division
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700 032
- India
| | - Gopinatha Suresh Kumar
- Biophysical Chemistry Laboratory
- Chemistry Division
- CSIR-Indian Institute of Chemical Biology
- Kolkata 700 032
- India
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37
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Fajardo P, Balaguer MP, Gomez-Estaca J, Gavara R, Hernandez-Munoz P. Chemically modified gliadins as sustained release systems for lysozyme. Food Hydrocoll 2014. [DOI: 10.1016/j.foodhyd.2014.03.019] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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38
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Chen Y, Ye R, Wang J. Effect of Voltage on the Mechanical and Water Resistance Properties of Zein Films by Electrophoretic Deposition. FOOD BIOPROCESS TECH 2014. [DOI: 10.1007/s11947-014-1430-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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39
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Jash C, Payghan PV, Ghoshal N, Suresh Kumar G. Binding of the Iminium and Alkanolamine Forms of Sanguinarine to Lysozyme: Spectroscopic Analysis, Thermodynamics, and Molecular Modeling Studies. J Phys Chem B 2014; 118:13077-91. [DOI: 10.1021/jp5068704] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Chandrima Jash
- Biophysical Chemistry Laboratory, Chemistry Division and ‡Structural Biology
and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata 700 032, India
| | - Pavan V. Payghan
- Biophysical Chemistry Laboratory, Chemistry Division and ‡Structural Biology
and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata 700 032, India
| | - Nanda Ghoshal
- Biophysical Chemistry Laboratory, Chemistry Division and ‡Structural Biology
and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata 700 032, India
| | - Gopinatha Suresh Kumar
- Biophysical Chemistry Laboratory, Chemistry Division and ‡Structural Biology
and Bioinformatics Division, CSIR-Indian Institute of Chemical Biology, Kolkata 700 032, India
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40
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Tonglairoum P, Ngawhirunpat T, Rojanarata T, Opanasopit P. Lysozyme-immobilized electrospun PAMA/PVA and PSSA-MA/PVA ion-exchange nanofiber for wound healing. Pharm Dev Technol 2014; 20:976-983. [DOI: 10.3109/10837450.2014.954726] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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41
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Synowiec A, Gniewosz M, Kraśniewska K, Chlebowska-Śmigiel A, Przybył JL, Bączek K, Węglarz Z. Effect of meadowsweet flower extract-pullulan coatings on rhizopus rot development and postharvest quality of cold-stored red peppers. Molecules 2014; 19:12925-39. [PMID: 25157463 PMCID: PMC6271134 DOI: 10.3390/molecules190912925] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Revised: 08/12/2014] [Accepted: 08/15/2014] [Indexed: 11/16/2022] Open
Abstract
The study involved an examination of the antifungal activity on red peppers of pullulan coating (P) and pullulan coating containing either water-ethanol (P + eEMF) or ethanol extract of meadowsweet flowers (P + eEMF). Pullulan was obtained from a culture of Aureobasidium pullulans B-1 mutant. Both non-inoculated peppers and those artificially inoculated with Rhizopus arrhizus were coated and incubated at 24 °C for 5 days. The intensity of the decay caused by Rhizopus arrhizus in the peppers with P and P + eEMF coatings was nearly 3-fold lower, and in the case of P + weEMF 5-fold lower, than that observed in the control peppers. Additionally, the P + weEMF coating decreased, almost two-fold the severity of pepper decay compared to other samples. The influence of coating of pepper postharvest quality was examined after 30 days of storage at 6 °C and 70%-75% RH. All coatings formed a thin and well-attached additional layer of an intensified gloss. During storage, color, total soluble solid content and weight loss of coated peppers were subject to lower changes in comparison with uncoated ones. The results indicate the possibility of the application of pullulan coatings containing MFEs as an alternative to the chemical fungicides used to combat pepper postharvest diseases.
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Affiliation(s)
- Alicja Synowiec
- Department of Biotechnology, Microbiology and Food Evaluation, Warsaw University of Life Sciences-SGGW, 02-767 Warsaw, Nowoursynowska 159C, Poland
| | - Małgorzata Gniewosz
- Department of Biotechnology, Microbiology and Food Evaluation, Warsaw University of Life Sciences-SGGW, 02-767 Warsaw, Nowoursynowska 159C, Poland.
| | - Karolina Kraśniewska
- Department of Biotechnology, Microbiology and Food Evaluation, Warsaw University of Life Sciences-SGGW, 02-767 Warsaw, Nowoursynowska 159C, Poland
| | - Anna Chlebowska-Śmigiel
- Department of Biotechnology, Microbiology and Food Evaluation, Warsaw University of Life Sciences-SGGW, 02-767 Warsaw, Nowoursynowska 159C, Poland
| | - Jarosław L Przybył
- Department of Vegetable and Medicinal Plants, Warsaw University of Life Sciences-SGGW, 02-767 Warsaw, Nowoursynowska 159C, Poland
| | - Katarzyna Bączek
- Department of Vegetable and Medicinal Plants, Warsaw University of Life Sciences-SGGW, 02-767 Warsaw, Nowoursynowska 159C, Poland
| | - Zenon Węglarz
- Department of Vegetable and Medicinal Plants, Warsaw University of Life Sciences-SGGW, 02-767 Warsaw, Nowoursynowska 159C, Poland
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42
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Liburdi K, Benucci I, Esti M. Lysozyme in Wine: An Overview of Current and Future Applications. Compr Rev Food Sci Food Saf 2014. [DOI: 10.1111/1541-4337.12102] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- K. Liburdi
- Dept. for Innovation in Biological; Agro-food Food and Forest systems Systems (DIBAF); Univ. of Tuscia; via S. Camillo de Lellis 01100 Viterbo Italy
| | - I. Benucci
- Dept. for Innovation in Biological; Agro-food Food and Forest systems Systems (DIBAF); Univ. of Tuscia; via S. Camillo de Lellis 01100 Viterbo Italy
| | - M. Esti
- Dept. for Innovation in Biological; Agro-food Food and Forest systems Systems (DIBAF); Univ. of Tuscia; via S. Camillo de Lellis 01100 Viterbo Italy
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Arcan I, Yemenicioğlu A. Controlled release properties of zein-fatty acid blend films for multiple bioactive compounds. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:8238-8246. [PMID: 25025594 DOI: 10.1021/jf500666w] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
To develop edible films having controlled release properties for multiple bioactive compounds, hydrophobicity and morphology of zein films were modified by blending zein with oleic (C18:1)Δ⁹, linoleic (C18:2)Δ(9,12), or lauric (C₁₂) acids in the presence of lecithin. The blend zein films showed 2-8.5- and 1.6-2.9-fold lower initial release rates for the model active compounds, lysozyme (LYS) and (+)-catechin (CAT), than the zein control films, respectively. The change of fatty acid chain length affected both CAT and LYS release rates while the change of fatty acid double bond number affected only the CAT release rate. The film morphologies suggested that the blend films owe their controlled release properties mainly to the microspheres formed within their matrix and encapsulation of active compounds. The blend films showed antilisterial activity and antioxidant activity up to 81 μmol Trolox/cm². The controlled release of multiple bioactive compounds from a single film showed the possibility of combining application of active and bioactive packaging technologies and improving not only safety and quality but also health benefits of packed food.
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Affiliation(s)
- Iskender Arcan
- Department of Food Engineering, Faculty of Engineering, Izmir Institute of Technology , 35430, Gülbahçe Köyü, Urla, Izmir, Turkey
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46
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Antimicrobial-coated polypropylene films with polyvinyl alcohol in packaging of fresh beef. Meat Sci 2014; 96:901-7. [DOI: 10.1016/j.meatsci.2013.09.003] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Revised: 07/27/2013] [Accepted: 09/03/2013] [Indexed: 01/28/2023]
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47
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Spectrum Activity and Lauric Acid Release Behaviour of Antimicrobial Starch-based Film. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.proche.2014.05.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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48
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Corradini C, Alfieri I, Cavazza A, Lantano C, Lorenzi A, Zucchetto N, Montenero A. Antimicrobial films containing lysozyme for active packaging obtained by sol–gel technique. J FOOD ENG 2013. [DOI: 10.1016/j.jfoodeng.2013.05.046] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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49
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Shi K, Yu H, Lee TC, Huang Q. Improving ice nucleation activity of zein film through layer-by-layer deposition of extracellular ice nucleators. ACS APPLIED MATERIALS & INTERFACES 2013; 5:10456-10464. [PMID: 24106783 DOI: 10.1021/am4016457] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Zein protein has been of scientific interest in the development of biodegradable functional food packaging. This study aimed at developing a novel zein-based biopolymer film with ice nucleation activity through layer-by-layer deposition of biogenic ice nucleators, that is, extracellular ice nucleators (ECINs) isolated from Erwinia herbicola , onto zein film surface. The adsorption behaviors and mechanisms were investigated using quartz crystal microbalance with dissipation monitoring (QCM-D). On unmodified zein surface, the highest ECINs adsorption occurred at pH 5.0; on UV/ozone treated zein surface followed by deposition of poly(diallyldimethylammonium chloride) (PDADMAC) layer, the optimum condition for ECINs adsorption occurred at pH 7.0 and I 0.05 M, where the amount of ECINs adsorbed was also higher than that on unmodified zein surface. QCM-D analyses further revealed a two-step adsorption process on unmodified zein surfaces, compared to a one-step adsorption process on PDADMAC-modified zein surface. Also, significantly, in order to quantify the ice nucleation activity of ECINs-coated zein films, an empirical method was developed to correlate the number of ice nucleators with the ice nucleation temperature measured by differential scanning calorimetry. Calculated using this empirical method, the highest ice nucleation activity of ECINs on ECINs-modified zein film reached 64.1 units/mm(2), which was able to elevate the ice nucleation temperature of distilled water from -15.5 °C to -7.3 °C.
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Affiliation(s)
- Ke Shi
- Department of Food Science, Rutgers University , 65 Dudley, New Brunswick, New Jersey 08901, United States
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