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Holguín Posso AM, Macías Silva JC, Castañeda Niño JP, Mina Hernandez JH, Fajardo Cabrera de Lima LDP. Characterization and Implementation of Cocoa Pod Husk as a Reinforcing Agent to Obtain Thermoplastic Starches and Bio-Based Composite Materials. Polymers (Basel) 2024; 16:1608. [PMID: 38891558 PMCID: PMC11174894 DOI: 10.3390/polym16111608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/15/2024] [Accepted: 05/18/2024] [Indexed: 06/21/2024] Open
Abstract
When the cocoa pod husk (CPH) is used and processed, two types of flour were obtained and can be differentiated by particle size, fine flour (FFCH), and coarse flour (CFCH) and can be used as a possible reinforcement for the development of bio-based composite materials. Each flour was obtained from chopping, drying by forced convection, milling by blades, and sieving using the 100 mesh/bottom according to the Tyler series. Their physicochemical, thermal, and structural characterization made it possible to identify the lower presence of lignin and higher proportions of cellulose and pectin in FFCH. Based on the properties identified in FFCH, it was included in the processing of thermoplastic starch (TPS) from the plantain pulp (Musa paradisiaca) and its respective bio-based composite material using plantain peel short fiber (PPSF) as a reinforcing agent using the following sequence of processing techniques: extrusion, internal mixing, and compression molding. The influence of FFCH contributed to the increase in ultimate tensile strength (7.59 MPa) and higher matrix-reinforcement interaction when obtaining the freshly processed composite material (day 0) when compared to the bio-based composite material with higher FCP content (30%) in the absence of FFCH. As for the disadvantages of FFCH, reduced thermal stability (323.57 to 300.47 °C) and losses in ultimate tensile strength (0.73 MPa) and modulus of elasticity (142.53 to 26.17 MPa) during storage progress were identified. In the case of TPS, the strengthening action of FFCH was not evident. Finally, the use of CFCH was not considered for the elaboration of the bio-based composite material because it reached a higher lignin content than FFCH, which was expected to decrease its affinity with the TPS matrix, resulting in lower mechanical properties in the material.
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Affiliation(s)
- Andrés Mauricio Holguín Posso
- Escuela de Ingeniería de Materiales, Grupo Materiales Compuestos, Universidad del Valle, Calle 13 No. 100-00, Cali 76001, Colombia; (A.M.H.P.); (J.C.M.S.); (J.P.C.N.)
| | - Juan Carlos Macías Silva
- Escuela de Ingeniería de Materiales, Grupo Materiales Compuestos, Universidad del Valle, Calle 13 No. 100-00, Cali 76001, Colombia; (A.M.H.P.); (J.C.M.S.); (J.P.C.N.)
| | - Juan Pablo Castañeda Niño
- Escuela de Ingeniería de Materiales, Grupo Materiales Compuestos, Universidad del Valle, Calle 13 No. 100-00, Cali 76001, Colombia; (A.M.H.P.); (J.C.M.S.); (J.P.C.N.)
| | - Jose Herminsul Mina Hernandez
- Escuela de Ingeniería de Materiales, Grupo Materiales Compuestos, Universidad del Valle, Calle 13 No. 100-00, Cali 76001, Colombia; (A.M.H.P.); (J.C.M.S.); (J.P.C.N.)
| | - Lety del Pilar Fajardo Cabrera de Lima
- Grupo Tribología, Polímeros, Metalurgia de Polvos y Transformaciones de Residuos Sólidos, Universidad del Valle, Calle 13 No. 100-00, Cali 76001, Colombia;
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Ribeiro M, Simões M, Vitorino C, Mascarenhas-Melo F. Hydrogels in Cutaneous Wound Healing: Insights into Characterization, Properties, Formulation and Therapeutic Potential. Gels 2024; 10:188. [PMID: 38534606 DOI: 10.3390/gels10030188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 02/26/2024] [Accepted: 03/05/2024] [Indexed: 03/28/2024] Open
Abstract
Hydrogels are polymeric materials that possess a set of characteristics meeting various requirements of an ideal wound dressing, making them promising for wound care. These features include, among others, the ability to absorb and retain large amounts of water and the capacity to closely mimic native structures, such as the extracellular matrix, facilitating various cellular processes like proliferation and differentiation. The polymers used in hydrogel formulations exhibit a broad spectrum of properties, allowing them to be classified into two main categories: natural polymers like collagen and chitosan, and synthetic polymers such as polyurethane and polyethylene glycol. This review offers a comprehensive overview and critical analysis of the key polymers that can constitute hydrogels, beginning with a brief contextualization of the polymers. It delves into their function, origin, and chemical structure, highlighting key sources of extraction and obtaining. Additionally, this review encompasses the main intrinsic properties of these polymers and their roles in the wound healing process, accompanied, whenever available, by explanations of the underlying mechanisms of action. It also addresses limitations and describes some studies on the effectiveness of isolated polymers in promoting skin regeneration and wound healing. Subsequently, we briefly discuss some application strategies of hydrogels derived from their intrinsic potential to promote the wound healing process. This can be achieved due to their role in the stimulation of angiogenesis, for example, or through the incorporation of substances like growth factors or drugs, such as antimicrobials, imparting new properties to the hydrogels. In addition to substance incorporation, the potential of hydrogels is also related to their ability to serve as a three-dimensional matrix for cell culture, whether it involves loading cells into the hydrogel or recruiting cells to the wound site, where they proliferate on the scaffold to form new tissue. The latter strategy presupposes the incorporation of biosensors into the hydrogel for real-time monitoring of wound conditions, such as temperature and pH. Future prospects are then ultimately addressed. As far as we are aware, this manuscript represents the first comprehensive approach that brings together and critically analyzes fundamental aspects of both natural and synthetic polymers constituting hydrogels in the context of cutaneous wound healing. It will serve as a foundational point for future studies, aiming to contribute to the development of an effective and environmentally friendly dressing for wounds.
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Affiliation(s)
- Mariana Ribeiro
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- CISUC-Center for Informatics and Systems, University of Coimbra, Pinhal de Marrocos, 3030-290 Coimbra, Portugal
- Coimbra Chemistry Centre, Institute of Molecular Sciences-IMS, Department of Chemistry, University of Coimbra, 3000-535 Coimbra, Portugal
| | - Marco Simões
- CISUC-Center for Informatics and Systems, University of Coimbra, Pinhal de Marrocos, 3030-290 Coimbra, Portugal
- CIBIT-Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Carla Vitorino
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- Coimbra Chemistry Centre, Institute of Molecular Sciences-IMS, Department of Chemistry, University of Coimbra, 3000-535 Coimbra, Portugal
- CIBIT-Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Filipa Mascarenhas-Melo
- Higher School of Health, Polytechnic Institute of Guarda, Rua da Cadeia, 6300-307 Guarda, Portugal
- REQUIMTE/LAQV, Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
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Starch-based food packaging films processed by reactive extrusion/thermo-molding using chromium octanoate-loaded zeolite A as a potential triple-action mesoporous material (reinforcing filler/food-grade antimicrobial organocatalytic nanoreactor). Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Liu Y, Zhu Y, Wang Y, Mu B, Wang X, Wang A. Eco-friendly superabsorbent composites based on calcined semicoke and polydimethylourea phosphate: Synthesis, swelling behavior, degradability and their impact on cabbage growth. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Organocatalytic esterification of polysaccharides for food applications: A review. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2021.11.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Herniou‐‐Julien C, Gutiérrez TJ. Reactive Extrusion‐Processed Shape‐Memory Food Packaging Films Made from Native and Carboxymethylated Plantain Flour/Polystyrene Blends. STARCH-STARKE 2021. [DOI: 10.1002/star.202100053] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Clémence Herniou‐‐Julien
- Faculté Sciences & Sciences de l'ingénieur Université de Bretagne‐Sud (UBS) 2 rue Coat Saint‐Haouen Lorient 56100 France
| | - Tomy J. Gutiérrez
- Grupo de Materiales Compuestos Termoplásticos (CoMP) Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA) Facultad de Ingeniería Universidad Nacional de Mar del Plata (UNMdP) y Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Colón 10850 Mar del Plata B7608FLC Argentina
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Gutiérrez TJ, Mendieta JR, Ortega-Toro R. In-depth study from gluten/PCL-based food packaging films obtained under reactive extrusion conditions using chrome octanoate as a potential food grade catalyst. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106255] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Reactive extrusion-processed native and phosphated starch-based food packaging films governed by the hierarchical structure. Int J Biol Macromol 2021; 172:439-451. [PMID: 33453260 DOI: 10.1016/j.ijbiomac.2021.01.048] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 01/03/2021] [Accepted: 01/08/2021] [Indexed: 12/19/2022]
Abstract
The aim of this research work was to investigate novel tools given by nanotechnology and green chemistry for improving the disadvantages typically associated to the starch-based films: water susceptibility and brittle mechanical behavior. With this in mind, four food packaging film systems were developed from corn starch or corn starch nanocrystals (SNCs), and modified by phosphating under reactive extrusion (REx) conditions using sodium tripolyphosphate (Na5P3O10 - TPP) as a crosslinker. The structural, physicochemical, thermal, rheological and mechanical properties, as well as studies associated with the management of carbohydrate polymer-based plastic wastes (biodegradability and compostability) were carried out in this study. The hierarchical structure and the modification of the starch were dependent on the amylose content and degree of substitution (DS), which in turn depended on the hydrogen (H)-bonding interactions. In both cases, a higher molecular ordering of the starch chains in parallel was decisive to obtain the self-assembled thermoplastic starches. Beyond the valuable results obtained and scientifically analyzed, unfortunately none of the manufactured materials achieved to improve their performance compared to the control film (thermoplastic starch - TPS). It was even thought that the phosphated starch-based films could fertilize lettuce (Lactuca sativa) seedlings during their biodegradation, and this was not achieved either. This possibly due to the low content of phosphorus or its poor bioavailability.
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Characterization of multi-functional, biodegradable sodium metabisulfite-incorporated films based on polycarprolactone for active food packaging applications. Food Packag Shelf Life 2020. [DOI: 10.1016/j.fpsl.2020.100512] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Khosravi A, Fereidoon A, Khorasani MM, Naderi G, Ganjali MR, Zarrintaj P, Saeb MR, Gutiérrez TJ. Soft and hard sections from cellulose-reinforced poly(lactic acid)-based food packaging films: A critical review. Food Packag Shelf Life 2020. [DOI: 10.1016/j.fpsl.2019.100429] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Gutiérrez TJ, Toro-Márquez LA, Merino D, Mendieta JR. Hydrogen-bonding interactions and compostability of bionanocomposite films prepared from corn starch and nano-fillers with and without added Jamaica flower extract. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2018.10.058] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Herniou--Julien C, Mendieta JR, Gutiérrez TJ. Characterization of biodegradable/non-compostable films made from cellulose acetate/corn starch blends processed under reactive extrusion conditions. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2018.10.024] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Plasticized jackfruit seed starch: a viable alternative for the partial replacement of petroleum-based polymer blends. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-018-2402-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Gutiérrez TJ. Are modified pumpkin flour/plum flour nanocomposite films biodegradable and compostable? Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.05.035] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Gutiérrez TJ. Plantain flours as potential raw materials for the development of gluten-free functional foods. Carbohydr Polym 2018; 202:265-279. [PMID: 30287000 DOI: 10.1016/j.carbpol.2018.08.121] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 08/26/2018] [Accepted: 08/27/2018] [Indexed: 12/22/2022]
Abstract
Plantain flour (Musa ssp., group AAB, sub-group clone Harton) was modified by acetylation, carboxymethylation, methylation, oxidation and phosphation, in order to determine which of these modifications produce a material with potential for the development of gluten-free products with improved nutritional properties. The structural, rheological and nutritional properties of the modified flours were investigated. The phosphated plantain flour, cross-linked with sodium trimetaphosphate (STMP), had a lower in vitro digestibility rate associated with resistant starch (RS) types RS2, RS4 and RS5. This latter was confirmed by the formation of the amylose-lipid complex as determined by XRD. All the flours tested had a C-type structure with the exception of the methylated plantain flour which produced a large quantity of reaction by-product (BaSO4). The phosphated plantain flour represents a raw material with great potential for the development of gluten-free food (bread and cookie) with functional properties, i.e. health benefits.
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Affiliation(s)
- Tomy J Gutiérrez
- Grupo de Materiales Compuestos Termoplásticos (CoMP), Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), Facultad de Ingeniería, Universidad Nacional de Mar del Plata (UNMdP) y Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Colón 10850, B7608FLC, Mar del Plata, Argentina.
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Bionanocomposite Films Prepared from Corn Starch With and Without Nanopackaged Jamaica (Hibiscus sabdariffa) Flower Extract. FOOD BIOPROCESS TECH 2018. [DOI: 10.1007/s11947-018-2160-z] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Gutiérrez TJ, Alvarez VA. Data on physicochemical properties of active films derived from plantain flour/PCL blends developed under reactive extrusion conditions. Data Brief 2017; 15:445-448. [PMID: 29062868 PMCID: PMC5645474 DOI: 10.1016/j.dib.2017.09.071] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 09/26/2017] [Indexed: 11/27/2022] Open
Abstract
The data given below relates to the research paper entitled: “Eco-friendly films prepared from plantain flour/PCL blends under reactive extrusion conditions using zirconium octanoate as a catalyst”, recently published by our research group [1]. This article provides information concerning the physicochemical properties of the above-mentioned film systems: thickness, density, opacity, moisture content and surface moisture.
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Affiliation(s)
- Tomy J Gutiérrez
- Grupo de Materiales Compuestos Termoplásticos (CoMP), Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), Facultad de Ingeniería, Universidad Nacional de Mar del Plata (UNMdP) y Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Colón 10850, B7608FLC Mar del Plata, Argentina
| | - Vera A Alvarez
- Grupo de Materiales Compuestos Termoplásticos (CoMP), Instituto de Investigaciones en Ciencia y Tecnología de Materiales (INTEMA), Facultad de Ingeniería, Universidad Nacional de Mar del Plata (UNMdP) y Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Colón 10850, B7608FLC Mar del Plata, Argentina
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