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Rivera-Tobar D, Pérez-Won M, Jara-Quijada E, González-Cavieres L, Tabilo-Munizaga G, Lemus-Mondaca R. Principles of ultrasonic agglomeration and its effect on physicochemical and macro- and microstructural properties of foods. Food Chem 2024; 463:141309. [PMID: 39326307 DOI: 10.1016/j.foodchem.2024.141309] [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: 04/12/2024] [Revised: 09/06/2024] [Accepted: 09/13/2024] [Indexed: 09/28/2024]
Abstract
Ultrasonic compaction, also known as ultrasonic agglomeration, is an emerging technology that represents a novel alternative for food agglomeration; it is of great interest to the food industry. This review aims to gather information on the physicochemical, organoleptic, microbiological, and structural changes generated by ultrasound and study the fundamentals of agglomeration and ultrasound in different food matrices. In addition, chemical changes are reported in some nutrients related to conformational changes, such as the disintegration of diacylglycerides into monoacylglycerols, disordering of the crystalline region of starch granules to the amorphous phase, disruption of the membrane in plant cells, and transient or permanent modification of the protein structure (3D folding). The increasing development of patents can provide an insight into the potential of ultrasonic agglomeration applications in the food industry.
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Affiliation(s)
- Daniela Rivera-Tobar
- Department of Food Science and Technology, Faculty of Technological, Universidad de Santiago de Chile, Av. Víctor Jara 3769, Estación Central, Región Metropolitana, Chile..
| | - Mario Pérez-Won
- Department of Food Engineering, Faculty of Health and Food Science, Universidad del Bío-Bío, Av. Andrés Bello 720, Box 447, Chillán, Chile..
| | - Erick Jara-Quijada
- Department of Food Engineering, Faculty of Health and Food Science, Universidad del Bío-Bío, Av. Andrés Bello 720, Box 447, Chillán, Chile.; Nutrition and Dietetics, Faculty of Health Sciences, Universidad Adventista de Chile, Camino a Las Mariposas #11771, Chillán, Chile
| | - Luis González-Cavieres
- Department of Food Engineering, Faculty of Health and Food Science, Universidad del Bío-Bío, Av. Andrés Bello 720, Box 447, Chillán, Chile
| | - Gipsy Tabilo-Munizaga
- Department of Food Engineering, Faculty of Health and Food Science, Universidad del Bío-Bío, Av. Andrés Bello 720, Box 447, Chillán, Chile
| | - Roberto Lemus-Mondaca
- Department of Food Science and Chemical Technology, Faculty of Chemical Sciences and Pharmaceutical, Universidad de Chile, Calle Dr. Carlos Lorca 964, Independencia, Región Metropolitana, Chile
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Aguilar-de-Leyva Á, Linares V, Domínguez-Robles J, Casas M, Caraballo I. Extrusion-based technologies for 3D printing: a comparative study of the processability of thermoplastic polyurethane-based formulations. Pharm Dev Technol 2023; 28:939-947. [PMID: 37878535 DOI: 10.1080/10837450.2023.2274945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023]
Abstract
Thermoplastic polyurethanes (TPU) offer excellent properties for a wide range of dosage forms. These polymers have been successfully utilized in personalized medicine production using fused deposition modeling (FDM) 3D printing (3DP). However, direct powder extrusion (DPE) has been introduced recently as a challenging technique since it eliminates filament production before 3DP, reducing thermal stress, production time, and costs. This study compares DPE and single-screw extrusion for binary (drug-TPU) and ternary (drug-TPU-magnesium stearate [MS]) mixtures containing from 20 to 60% w/w of theophylline. Powder flow, mechanical properties, fractal analysis, and percolation theory were utilized to analyze critical properties of the extrudates. All the mixtures could be processed at a temperature range between 130 and 160 °C. Extrudates containing up to 50% w/w of drug (up to 30% w/w of drug in the case of single-screw extrusion binary filaments) showed toughness values above the critical threshold of 80 kg/mm2. MS improved flow in mixtures where the drug is the only percolating component, reduced until 25 °C the DPE temperature and decreased the extrudate roughness in high drug content systems. The potential of DPE as an efficient one-step additive manufacturing technique in healthcare environments to produce TPU-based tailored on-demand medicines has been demonstrated.
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Affiliation(s)
- Ángela Aguilar-de-Leyva
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, Seville, Spain
| | - Vicente Linares
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, Seville, Spain
| | - Juan Domínguez-Robles
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, Seville, Spain
| | - Marta Casas
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, Seville, Spain
| | - Isidoro Caraballo
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, Seville, Spain
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Linares V, Aguilar-de-Leyva Á, Casas M, Caraballo I. 3D Printed Fractal-like Structures with High Percentage of Drug for Zero-Order Colonic Release. Pharmaceutics 2022; 14:2298. [PMID: 36365117 PMCID: PMC9695807 DOI: 10.3390/pharmaceutics14112298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/20/2022] [Accepted: 10/24/2022] [Indexed: 08/10/2023] Open
Abstract
Colonic drug delivery of drugs is an area of great interest due to the need to treat high prevalence colonic local diseases as well as systemic conditions that may benefit from the advantages associated to this route of drug administration. In the last decade, the use of 3D printing technologies has expanded, offering the possibility of preparing personalized medicines in small batches directly at the point of care. The aim of this work is to design a high drug loaded 3D printed system prepared by a combination of Fused Deposition Modelling (FDM) and Injection Volume Filling (IVF) techniques intended for zero-order colonic drug release. For this purpose, different batches of binary and ternary filaments based on the thermoplastic polyurethane Tecoflex EG-72D (TPU), theophylline anhydrous (AT) as model drug, and magnesium stearate as lubricant have been developed and characterized. Filaments with the highest drug load and the best rheological properties were selected for the manufacture of a printed fractal-like structure based on multiple toroids. This design was proposed to provide high surface area, leading to increased drug release and water uptake in the colonic region. This structure was 3D printed by FDM and then coated in a unique step by IVF technology using the enteric polymer DrugCoat S 12.5. This way, an additional coating process is avoided, reducing costs and production time. Studies of drug release confirmed the ability of the structures to provide a five-hour period of constant drug delivery in the colonic region.
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Galdón E, Millán-Jiménez M, Mora-Castaño G, de Ilarduya AM, Caraballo I. A Biodegradable Copolyester, Poly(butylene succinate- co-ε-caprolactone), as a High Efficiency Matrix Former for Controlled Release of Drugs. Pharmaceutics 2021; 13:1057. [PMID: 34371748 PMCID: PMC8309084 DOI: 10.3390/pharmaceutics13071057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/01/2021] [Accepted: 07/08/2021] [Indexed: 11/16/2022] Open
Abstract
A biodegradable copolyester, poly(butylene succinate-co-ε-caprolactone) (PBS_CL), was used for first time as an excipient for pharmaceutical dosage forms using direct compression and hot processing techniques (ultrasound-assisted compression (USAC) and hot melt extrusion (HME)). Robust binary systems were achieved with hot processing techniques, allowing a controlled release of the drug. With only 12% v/v of PBS_CL, controlled release forms were obtained using USAC whereas in HME over 34% v/v of excipient is necessary. Amounts over 23% v/v allowed a long-extended release for more than 72 h following diffusional kinetic. Thanks to the high melting point of theophylline and the physicochemical properties of PBS_CL selected and synthesized, the structure of the excipient inside the USAC tablets and HME filaments corresponds to a continuum medium. A percolation threshold around 23% v/v was estimated, which agrees with a continuum percolation model. The polymer shows a high excipient efficiency value using HME and USAC. A nanostructured matrix with wall thicknesses lower than 0.1 µm was obtained. This leads to a very effective coating of the drug particles by the excipient, providing a slow and reproducible release. The present study therefore supports the use of PBS_CL, for the preparation of controlled release dosage forms using hot processing techniques.
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Affiliation(s)
- Eduardo Galdón
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain; (E.G.); (M.M.-J.); (G.M.-C.)
| | - Mónica Millán-Jiménez
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain; (E.G.); (M.M.-J.); (G.M.-C.)
| | - Gloria Mora-Castaño
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain; (E.G.); (M.M.-J.); (G.M.-C.)
| | | | - Isidoro Caraballo
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, Universidad de Sevilla, 41012 Seville, Spain; (E.G.); (M.M.-J.); (G.M.-C.)
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Engineering approaches for drug delivery systems production and characterization. Int J Pharm 2020; 581:119267. [DOI: 10.1016/j.ijpharm.2020.119267] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 03/22/2020] [Accepted: 03/24/2020] [Indexed: 12/17/2022]
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