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Nasution H, Harahap H, Julianti E, Safitri A, Jaafar M. Properties of active packaging of PLA-PCL film integrated with chitosan as an antibacterial agent and syzygium cumini seed extract as an antioxidant agent. Heliyon 2024; 10:e23952. [PMID: 38192781 PMCID: PMC10772727 DOI: 10.1016/j.heliyon.2023.e23952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/01/2023] [Accepted: 12/18/2023] [Indexed: 01/10/2024] Open
Abstract
Active packaging is becoming increasingly significant in the food industry. The present study aims to explore the use of Syzygium Cumini Seed Extract (SCSE) as an antioxidant and chitosan as an antibacterial agent to produce active packaging based on polylactic acid (PLA), poly ε-caprolactone (PCL), and polyethylene glycol (PEG) blend. Using advanced characterization techniques, active packaging (PLA/PCL/PEG) incorporating with 0.5 g chitosan-0.5 mL SCSE was evaluated for its mechanical, physical, structural, and antibacterial-antioxidant properties. The addition of chitosan-SCSE caused an 18.57 % increase in tensile strength and decreased the Water Vapor Transmission Rate (WVTR) by up to 52 %, whereas smooth surface microscopy indicated good compatibility between polymers and active agents. Active packaging incorporating chitosan-SCSE reduced 96.66 % of Gram-positive bacteria Staphylococcus aureus and 73.98 % of Gram-negative bacteria, Escherichia coli. During 15 days of storage, the active packaging was able to slow the increase in Total Volatile Basic Nitrogen (TVBN) in beef and prevent the decrease in vitamin C contents in pineapple.
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Affiliation(s)
- Halimatuddahliana Nasution
- Department of Chemical Engineering, Faculty of Engineering, Universitas Sumatera Utara, Padang Bulan, Medan 20155, Sumatera Utara, Indonesia
| | - Hamidah Harahap
- Department of Chemical Engineering, Faculty of Engineering, Universitas Sumatera Utara, Padang Bulan, Medan 20155, Sumatera Utara, Indonesia
| | - Elisa Julianti
- Department of Food and Science Technology, Faculty of Agriculture, Universitas Sumatera Utara, Padang Bulan, Medan 20155, Sumatera Utara, Indonesia
| | - Aida Safitri
- Department of Chemical Engineering, Faculty of Engineering, Universitas Sumatera Utara, Padang Bulan, Medan 20155, Sumatera Utara, Indonesia
| | - Mariatti Jaafar
- School of Materials & Mineral Resources Engineering, Universiti Sains Malaysia, Nibong Tebal 14300, Pulau Pinang, Malaysia
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Martínez-Aguilar V, Peña-Juárez MG, Carrillo-Sanchez PC, López-Zamora L, Delgado-Alvarado E, Gutierrez-Castañeda EJ, Flores-Martínez NL, Herrera-May AL, Gonzalez-Calderon JA. Evaluation of the Antioxidant and Antimicrobial Potential of SiO 2 Modified with Cinnamon Essential Oil ( Cinnamomum Verum) for Its Use as a Nanofiller in Active Packaging PLA Films. Antioxidants (Basel) 2023; 12:antiox12051090. [PMID: 37237956 DOI: 10.3390/antiox12051090] [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: 02/21/2023] [Revised: 04/05/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
One of the main causes of food spoilage is the lipid oxidation of its components, which generates the loss of nutrients and color, together with the invasion of pathogenic microorganisms. In order to minimize these effects, active packaging has played an important role in preservation in recent years. Therefore, in the present study, an active packaging film was developed using polylactic acid (PLA) and silicon dioxide (SiO2) nanoparticles (NPs) (0.1% w/w) chemically modified with cinnamon essential oil (CEO). For the modification of the NPs, two methods (M1 and M2) were tested, and their effects on the chemical, mechanical, and physical properties of the polymer matrix were evaluated. The results showed that CEO conferred to SiO2 NPs had a high percentage of 2,2-diphenyl-l-picrylhydrazyl (DPPH) free radical inhibition (>70%), cell viability (>80%), and strong inhibition to E. coli, at 45 and 11 µg/mL for M1 and M2, respectively, and thermal stability. Films were prepared with these NPs, and characterizations and evaluations on apple storage were performed for 21 days. The results show that the films with pristine SiO2 improved tensile strength (28.06 MPa), as well as Young's modulus (0.368 MPa) since PLA films only presented values of 27.06 MPa and 0.324 MPa, respectively; however, films with modified NPs decreased tensile strength values (26.22 and 25.13 MPa), but increased elongation at break (from 5.05% to 10.32-8.32%). The water solubility decreased from 15% to 6-8% for the films with NPs, as well as the contact angle, from 90.21° to 73° for the M2 film. The water vapor permeability increased for the M2 film, presenting a value of 9.50 × 10-8 g Pa-1 h-1 m-2. FTIR analysis indicated that the addition of NPs with and without CEO did not modify the molecular structure of pure PLA; however, DSC analysis indicated that the crystallinity of the films was improved. The packaging prepared with M1 (without Tween 80) showed good results at the end of storage: lower values in color difference (5.59), organic acid degradation (0.042), weight loss (24.24%), and pH (4.02), making CEO-SiO2 a good component to produce active packaging.
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Affiliation(s)
- Verónica Martínez-Aguilar
- Doctorado Institucional en Ingeniería y Ciencia de Materiales, Universidad Autónoma de San Luis Potosí, Sierra Leona No. 550 Col. Lomas 2da. Sección, San Luis Potosí 78210, Mexico
| | - Mariana G Peña-Juárez
- Doctorado Institucional en Ingeniería y Ciencia de Materiales, Universidad Autónoma de San Luis Potosí, Sierra Leona No. 550 Col. Lomas 2da. Sección, San Luis Potosí 78210, Mexico
| | - Perla C Carrillo-Sanchez
- Maestría en Ingeniería y Tecnología de Materiales, Universidad de La Salle Bajío, Av. Universidad 602, Lomas del Campestre, León 37150, Mexico
| | - Leticia López-Zamora
- División de Estudios de Posgrado e Investigación, Tecnológico Nacional de Méxicoen Orizaba, Oriente 9 No. 852 Emiliano Zapata, Orizaba 94320, Mexico
| | - Enrique Delgado-Alvarado
- Micro and Nanotechnology Research Center, Universidad Veracruzana, Blvd. Av. Ruiz Cortines No. 455 Fracc. Costa Verde, Boca del Río 94294, Mexico
- Facultad de Ciencias Quimicas, Universidad Veracruzana, Blvd. Av. Ruiz Cortines No. 455 Fracc. Costa Verde, Boca del Río 94294, Mexico
| | - Emmanuel J Gutierrez-Castañeda
- Cátedras CONACYT-Instituto de Metalurgia, Universidad Autónoma de San Luis Potosí, Av. Sierra Leona 550 Lomas 2da Sección, San Luis Potosí 78210, Mexico
| | - Norma L Flores-Martínez
- Ingeniería Agroindustrial, Universidad Politécnica de Guanajuato, Avenida Universidad Sur #1001 Comunidad Juan Alonso, Cortazar 38496, Mexico
| | - Agustín L Herrera-May
- Micro and Nanotechnology Research Center, Universidad Veracruzana, Blvd. Av. Ruiz Cortines No. 455 Fracc. Costa Verde, Boca del Río 94294, Mexico
- Maestría en Ingeniería Aplicada, Facultad de Ingeniería de la Construcción y el Hábitat, Universidad Veracruzana, Boca del Río 94294, Mexico
| | - Jose Amir Gonzalez-Calderon
- Cátedras CONACYT-Instituto de Física, Universidad Autónoma de San Luis Potosí, Av. Manuel Nava #64, Zona Universitaria, San Luis Potosí 78290, Mexico
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Sun YL, Tu LJ, Tsou CH, Lin SM, Lin L, De Guzman MR, Zeng R, Xia Y. Thermal and mechanical properties of biodegradable nanocomposites prepared by poly(lactic acid)/acetyl tributyl citrate reinforced with attapulgite. JOURNAL OF POLYMER RESEARCH 2023. [DOI: 10.1007/s10965-023-03483-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
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Lignin Nanoparticles for Enhancing Physicochemical and Antimicrobial Properties of Polybutylene Succinate/Thymol Composite Film for Active Packaging. Polymers (Basel) 2023; 15:polym15040989. [PMID: 36850272 PMCID: PMC9967065 DOI: 10.3390/polym15040989] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/10/2023] [Accepted: 02/13/2023] [Indexed: 02/19/2023] Open
Abstract
The natural abundance, polymer stability, biodegradability, and natural antimicrobial properties of lignin open a wide range of potential applications aiming for sustainability. In this work, the effects of 1% (w/w) softwood kraft lignin nanoparticles (SLNPs) on the physicochemical properties of polybutylene succinate (PBS) composite films were investigated. Incorporation of SLNPs into neat PBS enhanced Td from 354.1 °C to 364.7 °C, determined through TGA, whereas Tg increased from -39.1 °C to -35.7 °C while no significant change was observed in Tm and crystallinity, analyzed through DSC. The tensile strength of neat PBS increased, to 35.6 MPa, when SLNPs were added to it. Oxygen and water vapor permeabilities of PBS with SLNPs decreased equating to enhanced barrier properties. The good interactions among SLNPs, thymol, and PBS matrix, and the high homogeneity of the resultant PBS composite films, were determined through FTIR and FE-SEM analyses. This work revealed that, among the PBS composite films tested, PBS + 1% SLNPs + 10% thymol showed the strongest microbial growth inhibition against Colletotrichum gloeosporioides and Lasiodiplodia theobromae, both in vitro, through a diffusion method assay, and in actual testing on active packaging of mango fruit (cultivar "Nam Dok Mai Si Thong"). SLNPs could be an attractive replacement for synthetic substances for enhancing polymer properties without compromising the biodegradability of the resultant material, and for providing antimicrobial functions for active packaging applications.
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Combined Effects from Dual Incorporation of ATBC as Plasticizer and Mesoporous MCM-41 as Nucleating Agent on the PLA Isothermal Crystallization in Environmentally-Friendly Ternary Composite Systems. Polymers (Basel) 2023; 15:polym15030624. [PMID: 36771925 PMCID: PMC9921897 DOI: 10.3390/polym15030624] [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: 12/14/2022] [Revised: 01/16/2023] [Accepted: 01/19/2023] [Indexed: 01/27/2023] Open
Abstract
Different materials, based on an L-rich polylactide (PLA) as matrix, acetyl tri-n-butyl citrate (ATBC) as plasticizer, and mesoporous Mobile Crystalline Material.41 (MCM-41) particles as nucleating agent, were attained by melt extrusion. These materials are constituted by (a) binary blends of PLA and ATBC with different contents of the latest; (b) a dual compound of PLA and a given amount of MCM-41 silica (5 wt.%); and (c) ternary composites that include PLA, ATBC at several compositions and mesoporous MCM-41 at 5 wt.%. Influence of the incorporation of the plasticizer and nucleating particles has been comprehensively analyzed on the different phase transitions: glass transition, cold crystallization, melt crystallization and melting processes. Presence of both additives moves down the temperature at which PLA phase transitions take place, while allowing the PLA crystallization from the melt at 10 °C/min in the composites. This tridimensional ordering is not noticeable in the pristine PLA matrix and, accordingly, PLA crystallization rate is considerably increased under dynamic conditions and also after isothermal crystallization from either the melt or the glassy state. An important synergistic effect of dual action of ATBC and MCM-41 has been, therefore, found.
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Pekdemir ME, Kök M, Kanca MS, Özen Öner E, Pekdemir S, Inci Ş, Kirbağ S, Tatar B.
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reinforced polylactic acid/thermoplastic polyethylene glycol shape memory composites. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Mediha Kök
- Department of Physics, Faculty of Science Firat University Elazig Turkey
| | - Muhammed Sait Kanca
- Rare Earth Elements Application and Research Center Munzur University Tunceli Turkey
| | - Ecem Özen Öner
- Department of Physics, Faculty of Science Firat University Elazig Turkey
| | - Sibel Pekdemir
- Department of Chemistry, Faculty of Science Bingöl University Bingöl Turkey
| | - Şule Inci
- Department of Biology, Faculty of Science Firat University Elazig Turkey
| | - Sevda Kirbağ
- Department of Biology, Faculty of Science Firat University Elazig Turkey
| | - Beyhan Tatar
- Department of Physics, Faculty of Science Istanbul University Istanbul Turkey
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Wang H, Wan T, Wang H, Wang S, Li Q, Cheng B. Novel colorimetric membranes based on polylactic acid-grafted-citrated methacrylated urethane (PLA-CMU) to monitor cod freshness. Int J Biol Macromol 2022; 194:452-460. [PMID: 34822833 DOI: 10.1016/j.ijbiomac.2021.11.087] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/07/2021] [Accepted: 11/14/2021] [Indexed: 11/28/2022]
Abstract
Halochromic agent is easy to fall off from the surface of colorimetric membranes during fish freshness monitoring, which would decay the test accuracy. In order to increase its anchoring, citrated methacrylated urethane (CMU) synthesized by using tributyl citrate, β-hydroxyethyl methacrylate and diphenyl-methane-diisocyanate as a halochromic agent was grafted on polylactic acid (PLA). The CMU grafted PLA (PLA-CMU) together with tetrabutylammonium chloride (TBAC) prepared colorimetric membranes via electrospinning. 1H NMR and FTIR analysis showed successful bonding between CMU and PLA, and PLA-CMU grafting efficiency reached to the maximum value of 11.15%. Moreover, DSC confirmed that PLA-CMU existed low cold-crystallization temperature due to the excellent compatibility of CMU with PLA, which enhanced the anchoring of CMU effectively. Nanofiber-based PLA-CMU/TBAC colorimetric membrane enhanced the probability of molecules being captured due to its porous structure and large specific surface area. In addition, the increase in hydrophilicity of the membrane can provide a microenvironment for liquid phase reaction, exhibiting obvious color-changing sensitivity during cod freshness monitoring, from white color to light orange or pink with the deterioration of cod at 25 °C and 4 °C respectively. The results demonstrate PLA-CMU/TBAC colorimetric membranes would provide a simple and promising strategy for monitoring fish freshness.
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Affiliation(s)
- Hui Wang
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology (TUST), Tianjin 300457, PR China
| | - Tong Wan
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology (TUST), Tianjin 300457, PR China
| | - Hao Wang
- College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Shaoyu Wang
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology (TUST), Tianjin 300457, PR China.
| | - Quanxiang Li
- Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia.
| | - Bowen Cheng
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology (TUST), Tianjin 300457, PR China.
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Rojas A, Velásquez E, Patiño Vidal C, Guarda A, Galotto MJ, López de Dicastillo C. Active PLA Packaging Films: Effect of Processing and the Addition of Natural Antimicrobials and Antioxidants on Physical Properties, Release Kinetics, and Compostability. Antioxidants (Basel) 2021; 10:antiox10121976. [PMID: 34943079 PMCID: PMC8750271 DOI: 10.3390/antiox10121976] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 12/06/2021] [Accepted: 12/08/2021] [Indexed: 12/02/2022] Open
Abstract
The performance characteristics of polylactic acid (PLA) as an active food packaging film can be highly influenced by the incorporation of active agents (AAs) into PLA, and the type of processing technique. In this review, the effect of processing techniques and the addition of natural AAs on the properties related to PLA performance as a packaging material are summarized and described through a systematic analysis, giving new insights about the relation between processing techniques, types of AA, physical–mechanical properties, barriers, optical properties, compostability, controlled release, and functionalities in order to contribute to the progress made in designing antioxidant and antimicrobial PLA packaging films. The addition of AAs into PLA films affected their optical properties and influenced polymer chain reordering, modifying their thermal properties, functionality, and compostability in terms of the chemical nature of AAs. The mechanical and barrier performance of PLA was affected by the AA’s dispersion degree and crystallinity changes resulting from specific processing techniques. In addition, hydrophobicity and AA concentration also modified the barrier properties of PLA. The release kinetics of AAs from PLA were tuned, modifying diffusion coefficient of the AAs in terms of the different physical properties of the films that resulted from specific processing techniques. Several developments based on the incorporation of antimicrobial and antioxidant substances into PLA have displayed outstanding activities for food protection against microbial growth and oxidation.
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Affiliation(s)
- Adrián Rojas
- Packaging Innovation Center (LABEN), Department of Science and Food Technology, Faculty of Technology, University of Santiago of Chile (USACH), Obispo Umaña 050, Santiago 9170201, Chile; (A.R.); (E.V.); (C.P.V.); (A.G.); (M.J.G.)
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Santiago 9170124, Chile
| | - Eliezer Velásquez
- Packaging Innovation Center (LABEN), Department of Science and Food Technology, Faculty of Technology, University of Santiago of Chile (USACH), Obispo Umaña 050, Santiago 9170201, Chile; (A.R.); (E.V.); (C.P.V.); (A.G.); (M.J.G.)
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Santiago 9170124, Chile
| | - Cristian Patiño Vidal
- Packaging Innovation Center (LABEN), Department of Science and Food Technology, Faculty of Technology, University of Santiago of Chile (USACH), Obispo Umaña 050, Santiago 9170201, Chile; (A.R.); (E.V.); (C.P.V.); (A.G.); (M.J.G.)
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Santiago 9170124, Chile
| | - Abel Guarda
- Packaging Innovation Center (LABEN), Department of Science and Food Technology, Faculty of Technology, University of Santiago of Chile (USACH), Obispo Umaña 050, Santiago 9170201, Chile; (A.R.); (E.V.); (C.P.V.); (A.G.); (M.J.G.)
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Santiago 9170124, Chile
- Department of Science and Food Technology, Faculty of Technology, University of Santiago of Chile (USACH), Obispo Umaña 050, Santiago 9170201, Chile
| | - María José Galotto
- Packaging Innovation Center (LABEN), Department of Science and Food Technology, Faculty of Technology, University of Santiago of Chile (USACH), Obispo Umaña 050, Santiago 9170201, Chile; (A.R.); (E.V.); (C.P.V.); (A.G.); (M.J.G.)
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Santiago 9170124, Chile
- Department of Science and Food Technology, Faculty of Technology, University of Santiago of Chile (USACH), Obispo Umaña 050, Santiago 9170201, Chile
| | - Carol López de Dicastillo
- Packaging Innovation Center (LABEN), Department of Science and Food Technology, Faculty of Technology, University of Santiago of Chile (USACH), Obispo Umaña 050, Santiago 9170201, Chile; (A.R.); (E.V.); (C.P.V.); (A.G.); (M.J.G.)
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Santiago 9170124, Chile
- Department of Science and Food Technology, Faculty of Technology, University of Santiago of Chile (USACH), Obispo Umaña 050, Santiago 9170201, Chile
- Correspondence:
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Antifungal and plasticization effects of carvacrol in biodegradable poly(lactic acid) and poly(butylene adipate terephthalate) blend films for bakery packaging. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.112356] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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10
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Siddiqui MN, Redhwi HH, Tsagkalias I, Vouvoudi EC, Achilias DS. Development of Bio-Composites with Enhanced Antioxidant Activity Based on Poly(lactic acid) with Thymol, Carvacrol, Limonene, or Cinnamaldehyde for Active Food Packaging. Polymers (Basel) 2021; 13:polym13213652. [PMID: 34771206 PMCID: PMC8588526 DOI: 10.3390/polym13213652] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 10/10/2021] [Accepted: 10/21/2021] [Indexed: 01/05/2023] Open
Abstract
The new trend in food packaging films is to use biodegradable or bio-based polymers, such as poly(lactic acid), PLA with additives such as thymol, carvacrol, limonene or cinnamaldehyde coming from natural resources (i.e., thyme, oregano, citrus fruits and cinnamon) in order to extent foodstuff shelf-life and improve consumers’ safety. Single, triple and quadruple blends of these active compounds in PLA were prepared and studied using the solvent-casting technique. The successful incorporation of the active ingredients into the polymer matrix was verified by FTIR spectroscopy. XRD and DSC data revealed that the crystallinity of PLA was not significantly affected. However, the Tg of the polymer decreased, verifying the plasticization effect of all additives. Multicomponent mixtures resulted in more intense plasticization. Cinnamaldehyde was found to play a catalytic role in the thermal degradation of PLA shifting curves to slightly lower temperatures. Release of thymol or carvacrol from the composites takes place at low rates at temperatures below 100 °C. A combined diffusion-model was found to simulate the experimental release profiles very well. Higher antioxidant activity was noticed when carvacrol was added, followed by thymol and then cinnamaldehyde and limonene. From the triple-component composites, higher antioxidant activity measured in the materials with thymol, carvacrol and cinnamaldehyde.
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Affiliation(s)
- Mohammad Nahid Siddiqui
- Chemistry Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia;
| | - Halim Hamid Redhwi
- Chemical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia;
| | - Ioannis Tsagkalias
- Lab of Polymer and Color Chemistry and Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (I.T.); (E.C.V.)
| | - Evangelia C. Vouvoudi
- Lab of Polymer and Color Chemistry and Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (I.T.); (E.C.V.)
| | - Dimitris S. Achilias
- Lab of Polymer and Color Chemistry and Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (I.T.); (E.C.V.)
- Correspondence: ; Tel.: +30-2310-997822
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Scaffaro R, Maio A, D'Arrigo M, Lopresti F, Marino A, Bruno M, Nostro A. Flexible mats as promising antimicrobial systems via integration of Thymus capitatus (L.) essential oil into PLA. Future Microbiol 2021; 15:1379-1392. [PMID: 33085542 DOI: 10.2217/fmb-2019-0291] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Aim: To develop electrospun mats loaded with Thymus capitatus (L.) essential oil (ThymEO) and to study their morpho-mechanical and antimicrobial properties. Materials & methods: Poly(lactic acid) (PLA) mats containing ThymEO were prepared by electrospinning. The effect of ThymEO on the morpho-mechanical properties of fibers was assayed by scanning electron microscopy and dynamometer measurements. The antimicrobial activity of ThymEO delivered either in liquid or vapor phase was assessed through killing curves and invert Petri dishes method. The cytotoxicity was also investigated. Results: The mechanical properties were enhanced by integrating ThymEO into PLA. Both liquid and vapors of ThymEO released from mats caused reductions of microbial viable cells. Negligible cytotoxicity was demonstrated. Conclusion: PLA/ThymEO delivery systems could be suitable for treating microbial infections.
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Affiliation(s)
- Roberto Scaffaro
- Department of Engineering, University of Palermo, Viale delle Scienze Ed. 6, Palermo, 90128, Italy
| | - Andrea Maio
- Department of Engineering, University of Palermo, Viale delle Scienze Ed. 6, Palermo, 90128, Italy
| | - Manuela D'Arrigo
- Department of Chemical, Biological, Pharmaceutical & Environmental Sciences, Polo Annunziata, University of Messina, Messina, 98168, Italy
| | - Francesco Lopresti
- Department of Engineering, University of Palermo, Viale delle Scienze Ed. 6, Palermo, 90128, Italy
| | - Andreana Marino
- Department of Chemical, Biological, Pharmaceutical & Environmental Sciences, Polo Annunziata, University of Messina, Messina, 98168, Italy
| | - Maurizio Bruno
- Department of Biological, Chemical & Pharmaceutical Sciences & Technologies, University of Palermo, Viale delle Scienze Ed. 16, Palermo, 90128, Italy
| | - Antonia Nostro
- Department of Chemical, Biological, Pharmaceutical & Environmental Sciences, Polo Annunziata, University of Messina, Messina, 98168, Italy
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12
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Velásquez E, Patiño Vidal C, Rojas A, Guarda A, Galotto MJ, López de Dicastillo C. Natural antimicrobials and antioxidants added to polylactic acid packaging films. Part I: Polymer processing techniques. Compr Rev Food Sci Food Saf 2021; 20:3388-3403. [PMID: 34118127 DOI: 10.1111/1541-4337.12777] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 04/09/2021] [Accepted: 04/23/2021] [Indexed: 12/17/2022]
Abstract
Currently, reducing packaging plastic waste and food losses are concerning topics in the food packaging industry. As an alternative for these challenges, antimicrobial and antioxidant materials have been developed by incorporating active agents (AAs) into biodegradable polymers to extend the food shelf life. In this context, developing biodegradable active materials based on polylactic acid (PLA) and natural compounds are a great alternative to maintain food safety and non-toxicity of the packaging. AAs, such as essential oils and polyphenols, have been added mainly as antimicrobial and antioxidant natural compounds in PLA packaging. In this review, current techniques used to develop active PLA packaging films were described in order to critically compare their feasibility, advantages, limitations, and relevant processing aspects. The analysis was focused on the processing conditions, such as operation variables and stages, and factors related to the AAs, such as their concentrations, weight losses during processing, and incorporation technique, among others. Recent developments of active PLA-based monolayers and bi- or multilayer films were also considered. In addition, patents on inventions and technologies on active PLA-based films for food packaging were reviewed. This review highlights that the selection of the processing technique and conditions to obtain active PLA depends on the type of the AA regarding its volatility, solubility, and thermosensitivity.
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Affiliation(s)
- Eliezer Velásquez
- Packaging Innovation Center (LABEN), University of Santiago of Chile (USACH), Santiago, Chile.,Center for the Development of Nanoscience and Nanotechnology (CEDENNA), University of Santiago of Chile (USACH), Santiago, Chile
| | - Cristian Patiño Vidal
- Packaging Innovation Center (LABEN), University of Santiago of Chile (USACH), Santiago, Chile.,Center for the Development of Nanoscience and Nanotechnology (CEDENNA), University of Santiago of Chile (USACH), Santiago, Chile
| | - Adrián Rojas
- Packaging Innovation Center (LABEN), University of Santiago of Chile (USACH), Santiago, Chile.,Center for the Development of Nanoscience and Nanotechnology (CEDENNA), University of Santiago of Chile (USACH), Santiago, Chile
| | - Abel Guarda
- Packaging Innovation Center (LABEN), University of Santiago of Chile (USACH), Santiago, Chile.,Center for the Development of Nanoscience and Nanotechnology (CEDENNA), University of Santiago of Chile (USACH), Santiago, Chile.,Technological Faculty, Food Science and Technology Department, University of Santiago of Chile (USACH), Santiago, Chile
| | - María José Galotto
- Packaging Innovation Center (LABEN), University of Santiago of Chile (USACH), Santiago, Chile.,Center for the Development of Nanoscience and Nanotechnology (CEDENNA), University of Santiago of Chile (USACH), Santiago, Chile.,Technological Faculty, Food Science and Technology Department, University of Santiago of Chile (USACH), Santiago, Chile
| | - Carol López de Dicastillo
- Packaging Innovation Center (LABEN), University of Santiago of Chile (USACH), Santiago, Chile.,Center for the Development of Nanoscience and Nanotechnology (CEDENNA), University of Santiago of Chile (USACH), Santiago, Chile.,Technological Faculty, Food Science and Technology Department, University of Santiago of Chile (USACH), Santiago, Chile
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13
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Stoll L, Domenek S, Hickmann Flôres S, Nachtigall SMB, Oliveira Rios A. Polylactide films produced with bixin and acetyl tributyl citrate: Functional properties for active packaging. J Appl Polym Sci 2021. [DOI: 10.1002/app.50302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Liana Stoll
- Institute of Food Sciences and Technology Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Brazil
| | - Sandra Domenek
- UMR SayFood Université Paris‐Saclay, INRAE, AgroParisTech Massy France
| | - Simone Hickmann Flôres
- Institute of Food Sciences and Technology Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Brazil
| | | | - Alessandro Oliveira Rios
- Institute of Food Sciences and Technology Federal University of Rio Grande do Sul (UFRGS) Porto Alegre Brazil
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14
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Taghizadeh Z, Rakhshani S, Jahani V, Rajabi O, Haghighi HM, Abbaspour M. Preparation and in vitro characterization of carvacrol pellets by combination of liquisolid technique and extrusion-spheronization. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102232] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Reducing cytotoxicity of poly (lactic acid)-based/zinc oxide nanocomposites while boosting their antibacterial activities by thymol for biomedical applications. Int J Biol Macromol 2020; 164:4556-4565. [PMID: 32941912 DOI: 10.1016/j.ijbiomac.2020.09.069] [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: 06/09/2020] [Revised: 07/31/2020] [Accepted: 09/10/2020] [Indexed: 11/21/2022]
Abstract
In the present study, ternary blends based on poly (lactic acid)/poly (ε-caprolactone)/thermoplastic starch were prepared at different concentrations of synthesized zinc oxide nanoparticles (ZnO-NPs) and thymol. The sizes of ZnO-NPs with an average diameter of about 30-50 nm were detected by FE-SEM analysis. Moreover, the effect of ZnO-NPs and thymol on morphological, FT-IR spectrum, UV absorption, thermal stability, cytotoxicity, and antibacterial properties of neat blend was investigated. TGA analysis showed that the addition of ZnO-NPs and/or thymol diminished thermal stability of the system. Incorporating ZnO-NPs improved antibacterial activities of the neat blend, but MTT-assay and AO fluorescent staining test results depicted a decrease in cell viability to less than 20% by the addition of 5 wt% ZnO-NPs. In such a condition, the addition of thymol to the nanocomposites exhibited a dose-dependent increase in cell survival mostly due to thymol antioxidant properties. Interestingly, the antibacterial performance of compounds was also improved by the presence of thymol. Therefore, the obtained nanocomposites have potential to extend applications of innovative biomedical devices for future research in which both high cell viability and superior antibacterial properties are needed such as an antibacterial wound healing film.
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16
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Lukic I, Vulic J, Ivanovic J. Antioxidant activity of PLA/PCL films loaded with thymol and/or carvacrol using scCO2 for active food packaging. Food Packag Shelf Life 2020. [DOI: 10.1016/j.fpsl.2020.100578] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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17
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Gazzotti S, Ortenzi MA, Farina H, Disimino M, Silvani A. Carvacrol- and Cardanol-Containing 1,3-Dioxolan-4-ones as Comonomers for the Synthesis of Functional Polylactide-Based Materials. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01537] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Stefano Gazzotti
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
- CRC Materiali Polimerici “LaMPo”, Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
| | - Marco Aldo Ortenzi
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
- CRC Materiali Polimerici “LaMPo”, Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
| | - Hermes Farina
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
- CRC Materiali Polimerici “LaMPo”, Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
| | - Mariapina Disimino
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
- CRC Materiali Polimerici “LaMPo”, Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
| | - Alessandra Silvani
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
- CRC Materiali Polimerici “LaMPo”, Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
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18
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Poly(lactic acid)/carvacrol-based materials: preparation, physicochemical properties, and antimicrobial activity. Appl Microbiol Biotechnol 2020; 104:1823-1835. [DOI: 10.1007/s00253-019-10337-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 12/16/2019] [Accepted: 12/27/2019] [Indexed: 12/30/2022]
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19
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Huang H, Chen L, Song G, Tang G. An efficient plasticization method for poly(lactic acid) using combination of liquid-state and solid-state plasticizers. J Appl Polym Sci 2018. [DOI: 10.1002/app.46669] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Haichao Huang
- Advanced Materials Institute, Graduate School at Shenzhen; Tsinghua University; Shenzhen 518055 China
- School of Materials Science and Engineering; Tsinghua University; Haidian District Beijing 100084 China
| | - Lijie Chen
- Advanced Materials Institute, Graduate School at Shenzhen; Tsinghua University; Shenzhen 518055 China
| | - Guolin Song
- School of Materials Science and Engineering; Tsinghua University; Haidian District Beijing 100084 China
| | - Guoyi Tang
- Advanced Materials Institute, Graduate School at Shenzhen; Tsinghua University; Shenzhen 518055 China
- School of Materials Science and Engineering; Tsinghua University; Haidian District Beijing 100084 China
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