1
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Shlosman K, Rein DM, Shemesh R, Cohen Y. Lyophilized Emulsions of Thymol and Eugenol Essential Oils Encapsulated in Cellulose. Polymers (Basel) 2024; 16:1422. [PMID: 38794616 PMCID: PMC11125086 DOI: 10.3390/polym16101422] [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: 04/17/2024] [Revised: 05/09/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
Efforts to tap into the broad antimicrobial, insecticidal, and antioxidant activities of essential oils (EOs) are limited due to their strong odor and susceptibility to light and oxidation. Encapsulation of EOs and subsequent drying overcome these limitations and extend their applications. This study characterized freeze-dried (lyophilized) emulsions of eugenol (EU) and thymol (TY) EOs, encapsulated by chemically unmodified cellulose, a sustainable and low-cost resource. High-resolution scanning electron microscopy showed successful lyophilization. While the observed "flake-like" structure of the powders differed significantly from that of the emulsified microcapsules, useful properties were retained. Fourier transform infrared spectroscopy confirmed the presence of EOs in their corresponding powders and thermo-gravimetric analysis demonstrated high encapsulation efficiency (87-88%), improved thermal stability and resistance to evaporation, and slow EO release rates in comparison to their free forms. The lightweight and low-cost cellulose encapsulation, together with the results showing retained properties of the dried powder, enable the use of EOs in applications requiring high temperatures, such as EO incorporation into polymer films, that can be used to protect agricultural crops from microbial infections.
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Affiliation(s)
- Koranit Shlosman
- The Interdepartmental Program in Polymer Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel;
- R&D and Customer Service Department Carmel Olefins Ltd., Haifa 31014, Israel;
| | - Dmitry M. Rein
- Department of Chemical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel;
| | - Rotem Shemesh
- R&D and Customer Service Department Carmel Olefins Ltd., Haifa 31014, Israel;
| | - Yachin Cohen
- Department of Chemical Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel;
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2
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Valle JAB, Curto Valle RDCS, da Costa C, Maestá FB, Lis Arias MJ. Reservoir Effect of Textile Substrates on the Delivery of Essential Oils Microencapsulated by Complex Coacervation. Polymers (Basel) 2024; 16:670. [PMID: 38475353 DOI: 10.3390/polym16050670] [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: 10/31/2023] [Revised: 02/19/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Microcapsules are being used in textile substrates increasingly more frequently, availing a wide spectrum of possibilities that are relevant to future research trends. Biofunctional Textiles is a new field that should be carefully studied, especially when dealing with microencapsulated essential oils. In the final step, when the active principle is delivered, there are some possibilities to quantify and simulate its doses on the skin or in the environment. At that stage, there is a phenomenon that can help to better control the delivery and the reservoir effect of the textile substrate. Depending on the chemical characteristics of the molecule to be delivered, as well as the structure and chemical nature of the fabric where it has been applied, there is physicochemical retention exerted by fibers that strongly controls the final rate of principle active delivery to the external part of the textile substrate. The study of this type of effect in two different substrates (cotton and polyester) will be described here regarding two different essential oils microencapsulated and applied to the substrates using padding technology. The experimental results of the final drug delivery demonstrate this reservoir effect in both essential oils.
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Affiliation(s)
| | | | - Cristiane da Costa
- Department of Textile Engineering, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Fabrício Bezerra Maestá
- Textile Engineering (COENT), Universidade Tecnológica Federal do Paraná (UTFPR), Apucarana 86812-460, Brazil
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3
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Russell S, Bruns N. Encapsulation of Fragrances in Micro- and Nano-Capsules, Polymeric Micelles, and Polymersomes. Macromol Rapid Commun 2023; 44:e2300120. [PMID: 37150605 DOI: 10.1002/marc.202300120] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/19/2023] [Indexed: 05/09/2023]
Abstract
Fragrances are ubiquitously and extensively used in everyday life and several industrial applications, including perfumes, textiles, laundry formulations, hygiene household products, and food products. However, the intrinsic volatility of these small organic molecules leaves them particularly susceptible to fast depletion from a product or from the surface they have been applied to. Encapsulation is a very effective method to limit the loss of fragrance during their use and to sustain their release. This review gives an overview of the different materials and techniques used for the encapsulation of fragrances, scents, and aromas, as well as the methods used to characterize the resulting encapsulation systems, with a particular focus on cyclodextrins, polymer microcapsules, inorganic microcapsules, block copolymer micelles, and polymersomes for fragrance encapsulation, sustained release, and controlled release.
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Affiliation(s)
- Sam Russell
- Department of Chemistry, Technical University of Darmstadt, Peter-Grünberg-Str. 4, 64287, Darmstadt, Germany
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, 295 Cathedral Street, G1 1XL, Glasgow, United Kingdom
| | - Nico Bruns
- Department of Chemistry, Technical University of Darmstadt, Peter-Grünberg-Str. 4, 64287, Darmstadt, Germany
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, 295 Cathedral Street, G1 1XL, Glasgow, United Kingdom
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4
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Essid R, Ayed A, Djebali K, Saad H, Srasra M, Othmani Y, Fares N, Jallouli S, Abid I, Alothman MR, Limam F, Tabbene O. Anti-Candida and Anti-Leishmanial Activities of Encapsulated Cinnamomum verum Essential Oil in Chitosan Nanoparticles. Molecules 2023; 28:5681. [PMID: 37570651 PMCID: PMC10419485 DOI: 10.3390/molecules28155681] [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: 04/23/2023] [Revised: 06/22/2023] [Accepted: 06/30/2023] [Indexed: 08/13/2023] Open
Abstract
Nanoencapsulation is widely considered as a highly effective strategy to enhance essential oils' (EO) stability by protecting them from oxidative deterioration and evaporation. The present study aims to optimize and characterize an efficient technique for encapsulating Cinnamomum (C.) verum essential oil into chitosan nanoparticles using response surface methodology (RSM). Moreover, the optimized C. verum EO nanoparticle was investigated for its antibacterial (against Gram-positive and Gram-negative bacteria), antifungal (against Candida albicans), and antiparasitic activity (against Leishmania parasites). Five parameters were investigated using a Plackett-Burman and Box-Behnken statistical design: the chitosan molecular weight, TPP concentration, C. verum EO/chitosan ratio, mixing method, and the duration of the reaction. Encapsulation efficiency and anti-candida activity were considered as responses. The antibacterial, anticandidal, and anti-leishmanial activities were also assessed using a standard micro-broth dilution assay and the cytotoxicity assay was assessed against the macrophage cell line RAW 264.7. The optimized nanoparticles were characterized using Fourier transform infrared spectroscopy, Zeta potential, and scanning electron microscopy. The study results indicated that under optimal conditions, the nanoencapsulation of C. verum EO into chitosan nanoparticles resulted in an encapsulation efficiency of 92.58%, with a regular distribution, a nanoparticle size of 480 ± 14.55 nm, and a favorable Zeta potential of 35.64 ± 1.37 mV. The optimized C. verum EO/chitosan nanoparticles showed strong antifungal activity against C. albicans pathogens (CMI = 125 µg mL-1), notable antibacterial activity against both Gram-positive and Gram-negative bacteria (ranging from 125 to 250 µg mL-1), high leishmanicidal potential against the promastigotes form of L. tropica and L. major (IC50 = 10.47 and 15.09 µg mL-1, respectively), and a four-fold cytotoxicity reduction compared to non-encapsulated essential oil. These results suggest that C. verum EO-loaded chitosan nanoparticles could be a promising delivery system for the treatment of cutaneous Candida albicans infections.
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Affiliation(s)
- Rym Essid
- Laboratoire des Substances Bioactives, Centre de Biotechnologie de Borj-Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Ameni Ayed
- Laboratoire des Substances Bioactives, Centre de Biotechnologie de Borj-Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Kais Djebali
- Valorization of Useful Material Laboratory (LVMU), National Research Center in Material Sciences (CNRSM) Technopôle Borj Cedria, BP 73, Soliman 8027, Tunisia
| | - Houda Saad
- Centre National en Recherche en Sciences des Matériaux, “CNRSM” Technopole Borj-Cedria-Route Touristique Soliman, BP-273, Soliman 8027, Tunisia
| | - Mondher Srasra
- Centre National en Recherche en Sciences des Matériaux, “CNRSM” Technopole Borj-Cedria-Route Touristique Soliman, BP-273, Soliman 8027, Tunisia
| | - Yasmine Othmani
- Laboratoire des Substances Bioactives, Centre de Biotechnologie de Borj-Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Nadia Fares
- Laboratoire des Substances Bioactives, Centre de Biotechnologie de Borj-Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Selim Jallouli
- Laboratoire des Substances Bioactives, Centre de Biotechnologie de Borj-Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Islem Abid
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Monerah Rashed Alothman
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Ferid Limam
- Laboratoire des Substances Bioactives, Centre de Biotechnologie de Borj-Cedria, BP 901, Hammam-Lif 2050, Tunisia
| | - Olfa Tabbene
- Laboratoire des Substances Bioactives, Centre de Biotechnologie de Borj-Cedria, BP 901, Hammam-Lif 2050, Tunisia
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5
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Sindhu M, Rajkumar V, Annapoorani CA, Gunasekaran C, Kannan M. Nanoencapsulation of garlic essential oil using chitosan nanopolymer and its antifungal and anti-aflatoxin B1 efficacy in vitro and in situ. Int J Biol Macromol 2023:125160. [PMID: 37271266 DOI: 10.1016/j.ijbiomac.2023.125160] [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: 03/07/2023] [Revised: 05/19/2023] [Accepted: 05/28/2023] [Indexed: 06/06/2023]
Abstract
The present study investigated the comparative efficacy of garlic essential oil (GEO) and its nanoencapsulated within chitosan nanomatrix (GEO-CSNPs) as a novel preservative for the protection of stored food commodities from fungal infestations, aflatoxin B1 (AFB1) contamination and lipid peroxidation against a toxigenic strain of Aspergillus flavus. GC-MS examination of GEO showed the presence of allyl methyl tri-sulfide (23.10 %) and diallyl sulfide (19.47 %) as the major components. GEO-CSNPs were characterized through TEM micrograph, DLS, XRD, and FTIR instrumentation. During the in-vitro investigation, GEO-CSNPs at 1.0 μL/mL dose completely inhibited the growth of A. flavus while preventing the synthesis of AFB1 at 0.75 μL/mL compared to the pure GEO. The biochemical analysis reveals that A. flavus exposed to GEO-CSNPs significantly changed its ergosterol level, ions leakage, mitochondrial membrane potential (MMP), and antioxidant system. Additionally, GEO-CSNPs exhibited enhanced antioxidant activity against DPPH compared with GEO. Likewise, during in-situ experiments on A. hypogea GEO-CSNPs MIC and 2 MIC concentration prohibited fungal development, AFB1 synthesis, and lipid peroxidation or inflicting any negative impacts on germinating seeds. Overall, investigations concluded that GEO-CSNPs could be used as a novel preservative agent to improve the shelf life of stored food commodities.
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Affiliation(s)
- Murugesan Sindhu
- Department of Zoology, School of Biosciences, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, India
| | - Vallavan Rajkumar
- Conservation Biology Laboratory, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
| | - Coimbatore Alagubrahmam Annapoorani
- Department of Zoology, School of Biosciences, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore, Tamil Nadu, India.
| | - Chinnappan Gunasekaran
- Conservation Biology Laboratory, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore 641046, Tamil Nadu, India
| | - Malaichamy Kannan
- Centre for Agricultural Nanotechnology, Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu, India
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6
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Julaeha E, Nurzaman M, Wahyudi T, Nurjanah S, Permadi N, Anshori JA. The Development of the Antibacterial Microcapsules of Citrus Essential Oil for the Cosmetotextile Application: A Review. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27228090. [PMID: 36432192 PMCID: PMC9693560 DOI: 10.3390/molecules27228090] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/05/2022] [Accepted: 11/10/2022] [Indexed: 11/23/2022]
Abstract
Essential oils (EOs) obtained from the Citrus genus were reported to exhibit good antimicrobial activity. Therefore, they can potentially be applied in daily necessities such as textile sectors as antibacterial functional fabric products. However, a packaging technique to retain such volatile and labile active substances is compulsory. In particular, microencapsulation was found to be a common coating technique employed to protect EOs from the effects of light, heat, humidity, stability, and controlled release of active substances. Various microencapsulation techniques have been introduced, but the most widely used method is complex coacervation, as it is simple, inexpensive, and capable of snaring high essential oils. Hence, this review focused on the microencapsulation of the most consumable citrus EOs with complex coacervation methods and their immobilization on commonly carried-out fabrics. In addition, it also discusses the isolation methods of the EOs, their chemical composition, and the mechanism of antibacterial action.
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Affiliation(s)
- Euis Julaeha
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Indonesia
| | - Mohamad Nurzaman
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Indonesia
| | - Tatang Wahyudi
- National Research and Innovation Agency, Bandung 40272, Indonesia
| | - Sarifah Nurjanah
- Department of Agriculture Engineering, Faculty of Agricultural Industrial Technology, Universitas Padjadjaran, Jatinangor 45363, Indonesia
| | - Nandang Permadi
- Study Program of Biotechnology, Postgraduate School, Universitas Padjadjaran, Bandung 40132, Indonesia
| | - Jamaludin Al Anshori
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Jatinangor 45363, Indonesia
- Correspondence:
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7
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Pratiwi L, Eddy DR, Al Anshori J, Harja A, Wahyudi T, Mulyawan AS, Julaeha E. Microencapsulation of Citrus aurantifolia essential oil with the optimized CaCl 2 crosslinker and its antibacterial study for cosmetic textiles. RSC Adv 2022; 12:30682-30690. [PMID: 36337964 PMCID: PMC9597583 DOI: 10.1039/d2ra04053k] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 10/12/2022] [Indexed: 11/06/2022] Open
Abstract
A functional fabric immobilized by the microcapsules of C. aurantifolia lime essential oil (LO) was prepared and characterized. A varied amount of CaCl2 crosslinker was optimized to coacervate LO using alginate-gelatin biopolymers and Tween 80 emulsifier. A further evaluation of the immobilized LO microcapsules for the antibacterial effect against both Gram-positive and Gram-negative bacteria was conducted. The optimized alginate/gelatin-based microcapsules were effectively crosslinked by 15% CaCl2 with an yield, oil content (OC), and encapsulation efficiency (EE) of 39.91 ± 3.10%, 78.33 ± 7.53%, and 90.27 ± 5.84%, respectively. A spherical shape of LO microcapsules was homogeneously found with an average particle size of 1.394 μm. A first-order kinetics mechanism for the release of LO out of the microcapsules was modeled by Avrami's kinetic equation (k = 1.60 ± 3.68 × 10-5 s-1). The LO microcapsules demonstrated good thermal stability up to 100 °C and maintained 51.07% OC and 43.56% EE at ambient temperature for three weeks. Using a pad dry method and citric acid binder, LO microcapsules were successfully immobilized on a cloth with a % add on 30.60 ± 1.80%. The LO microcapsules and the immobilized one exhibited a moderate ZoI of bacterial growth for Gram-positive S. aureus and S. epidermidis as well as Gram-negative E. coli and K. pneumonia. Further washing test toward the functional fabric showed that the LO microcapsules incorporated into the fabric were resistant to five cycles of normal washing with a mass reduction of 22.01 ± 1.69%.
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Affiliation(s)
- Luthfia Pratiwi
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran Jl. Raya Bandung-Sumedang km.21, Jatinangor Sumedang 45363 West Java Indonesia
| | - Diana Rakhmawaty Eddy
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran Jl. Raya Bandung-Sumedang km.21, Jatinangor Sumedang 45363 West Java Indonesia
| | - Jamaludin Al Anshori
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran Jl. Raya Bandung-Sumedang km.21, Jatinangor Sumedang 45363 West Java Indonesia
| | - Asep Harja
- Department of Geophysics, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran Jl. Raya Bandung-Sumedang km.21, Jatinangor Sumedang 45363 West Java Indonesia
| | - Tatang Wahyudi
- Center for Textile Jl. Jendral Ahmad Yani No.390 Bandung 40272 West Java Indonesia
| | - Agus Surya Mulyawan
- Center for Textile Jl. Jendral Ahmad Yani No.390 Bandung 40272 West Java Indonesia
| | - Euis Julaeha
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran Jl. Raya Bandung-Sumedang km.21, Jatinangor Sumedang 45363 West Java Indonesia
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8
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Fabrication and Characterization of Electrospun Fish Gelatin Mats Doped with Essential Oils and β-Cyclodextrins for Food Packaging Applications. FOOD BIOPHYS 2022. [DOI: 10.1007/s11483-022-09759-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Rezaei A, Rafieian F, Akbari-Alavijeh S, Kharazmi MS, Jafari SM. Release of bioactive compounds from delivery systems by stimuli-responsive approaches; triggering factors, mechanisms, and applications. Adv Colloid Interface Sci 2022; 307:102728. [PMID: 35843031 DOI: 10.1016/j.cis.2022.102728] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/01/2022] [Accepted: 07/01/2022] [Indexed: 11/01/2022]
Abstract
Recent advances in emerging nanocarriers and stimuli-responsive (SR) delivery systems have brought about a revolution in the food and pharmaceutical industries. SR carriers are able to release the encapsulated bioactive compounds (bioactives) upon an external trigger. The potential of releasing the loaded bioactives in site-specific is of great importance for the pharmaceutical industry and medicine that can deliver the cargo in an appropriate condition. For the food industry, release of encapsulated bioactives is considerably important in processing or storage of food products and can be used in their formulation or packaging. There are various stimuli to control the favorite release of bioactives. In this review, we will shed light on the effect of different stimuli such as temperature, humidity, pH, light, enzymatic hydrolysis, redox, and also multiple stimuli on the release of encapsulated cargo and their potential applications in the food and pharmaceutical industries. An overview of cargo release mechanisms is also discussed. Furthermore, various alternatives to manipulate the controlled release of bioactives from carriers and the perspective of more progress in these SR carriers are highlighted.
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Affiliation(s)
- Atefe Rezaei
- Food Security Research Center, Department of Food Science and Technology, School of Nutrition and Food Science, Isfahan University of Medical Sciences, P.O. Box: 81746-73461, Isfahan, Iran.
| | - Fatemeh Rafieian
- Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Safoura Akbari-Alavijeh
- Department of Food Science and Technology, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, P.O. Box 56199-11367, Ardabil, Iran
| | | | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran; Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain.
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10
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Pudziuvelyte L, Siauruseviciute A, Morkuniene R, Lazauskas R, Bernatoniene J. Influence of Technological Factors on the Quality of Chitosan Microcapsules with Boswellia serata L. Essential Oil. Pharmaceutics 2022; 14:pharmaceutics14061259. [PMID: 35745831 PMCID: PMC9227605 DOI: 10.3390/pharmaceutics14061259] [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: 04/27/2022] [Revised: 05/30/2022] [Accepted: 06/10/2022] [Indexed: 11/17/2022] Open
Abstract
Essential oils contain many volatile compounds that are not stable and lose their pharmacological effect when exposed to the environment. The aim of this study is to protect Boswellia serrata L. essential oil from environmental factors by encapsulation and determine the influence of chitosan concentration and types (2%, 4%; medium and high molecular weights), essential oil concentration, different emulsifiers (Tween and Span), and technological factors (stirring time, launch height, drip rate) on the physical parameters, morphology, texture, and other parameters of the generated gels, emulsions, and microcapsules. For the first time, Boswellia serrata L. essential oil microcapsules with chitosan were prepared by coacervation. Hardness, consistency, stickiness, viscosity, and pH of chitosan gels were tested. Freshly obtained microcapsules were examined for moisture, hardness, resistance to compression, size, and morphology. Results show that different molecular weights and concentrations of chitosan affected gel hardness, consistency, stickiness, viscosity, mobility, and adhesion. An increase in chitosan concentration from 2% to 4% significantly changed the appearance of the microcapsules. It was found that spherical microcapsules were formed when using MMW and HMW 80/1000 chitosan. Chitosan molecular weight, concentration, essential oil concentration, and stirring time all had an impact on the hardness of the microcapsules and their resistance to compression.
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Affiliation(s)
- Lauryna Pudziuvelyte
- Institute of Pharmaceutical Technologies, Medical Academy, Lithuanian University of Health Sciences, Sukileliu pr. 13, LT-50161 Kaunas, Lithuania;
| | - Aiste Siauruseviciute
- Department of Drug Technology and Social Pharmacy, Lithuanian University of Health Sciences, Eiveniu 4, LT-50161 Kaunas, Lithuania;
| | - Ramune Morkuniene
- Department of Drug Chemistry, Lithuanian University of Health Sciences, Eiveniu 4, LT-50161 Kaunas, Lithuania;
| | - Robertas Lazauskas
- Institute of Physiology and Pharmacology, Lithuanian University of Health Sciences, A. Mickeviciaus 7, LT-44307 Kaunas, Lithuania;
| | - Jurga Bernatoniene
- Department of Drug Technology and Social Pharmacy, Lithuanian University of Health Sciences, Eiveniu 4, LT-50161 Kaunas, Lithuania;
- Correspondence:
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11
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Safitri A, Roosdiana A, Kurnianingsih N, Fatchiyah F, Mayasari E, Rachmawati R. Microencapsulation of Ruellia tuberosa L. Aqueous Root Extracts Using Chitosan-Sodium Tripolyphosphate and Their In Vitro Biological Activities. SCIENTIFICA 2022; 2022:9522463. [PMID: 35692232 PMCID: PMC9177311 DOI: 10.1155/2022/9522463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 04/30/2022] [Accepted: 05/14/2022] [Indexed: 06/15/2023]
Abstract
The current study aims to perform microencapsulation of R. tuberosa L. extracts using chitosan crosslinked to sodium tripolyphosphate (NaTPP) as wall materials by spray drying and to analyze their in vitro biological activities. The influence of manufacturing conditions, like pH, chitosan concentration, and stirrer time, was assessed. Results showed that microcapsules prepared in pH 4 with a concentration of 0.1% (w/v) chitosan, and 90 min stirring time had 51.80% encapsulation efficiency and high in vitro biological activity. These were shown by high in vitro alpha amylase inhibition and antioxidant activity with IC50 values of 50.65 μg/mL and 123.97 μg/mL, respectively. Releases of the bioactive compounds in microcapsules of R. tuberosa L. were carried out on phosphate buffer medium pH 2.2 and pH 7.4 with times release of 30, 60, 90, and 120 min. The bioactive compounds were released in pH 2.2 in 120 min at 2.48%. At pH 7.4, the active ingredients were more easily released, by 79.90% in 120 min. The microcapsules' morphology showed a rough surface with spherical forms and the average sizes were 53.41 μm. This study supports the essential role of microencapsulation in improving plant extracts with reserved biological activities.
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Affiliation(s)
- Anna Safitri
- Department of Chemistry, Faculty of Mathematic and Natural Sciences, Brawijaya University, Malang 65145, Jl. Veteran, Indonesia
- Research Center for Smart Molecules of Natural Genetic Resources (SMONAGENES), Brawijaya University, Malang 65145, Jl. Veteran, Indonesia
| | - Anna Roosdiana
- Department of Chemistry, Faculty of Mathematic and Natural Sciences, Brawijaya University, Malang 65145, Jl. Veteran, Indonesia
| | - Nia Kurnianingsih
- Research Center for Smart Molecules of Natural Genetic Resources (SMONAGENES), Brawijaya University, Malang 65145, Jl. Veteran, Indonesia
- Department of Physiology, Faculty of Medicine, Brawijaya University, Malang 65145, Jl. Veteran, Indonesia
| | - Fatchiyah Fatchiyah
- Research Center for Smart Molecules of Natural Genetic Resources (SMONAGENES), Brawijaya University, Malang 65145, Jl. Veteran, Indonesia
- Department of Biology, Faculty of Mathematic and Natural Sciences, Brawijaya University, Malang 65145, Jl. Veteran, Indonesia
| | - Eldina Mayasari
- Department of Chemistry, Faculty of Mathematic and Natural Sciences, Brawijaya University, Malang 65145, Jl. Veteran, Indonesia
| | - Rina Rachmawati
- Department of Chemistry, Faculty of Mathematic and Natural Sciences, Brawijaya University, Malang 65145, Jl. Veteran, Indonesia
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12
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Julaeha E, Eddy DR, Wahyudi T, Ningsih BA, Nurzaman M, Permadi N, Herlina T, Anshori JA. Coacervate Microcapsules of
Citrus aurantifolia Essential Oil
(LOs): Optimization and Their Antibacterial Activity Study. ChemistrySelect 2022. [DOI: 10.1002/slct.202200187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Euis Julaeha
- Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Padjadjaran Sumedang Indonesia Jl. Raya Bandung-Sumedang km.21 West Java 45363
| | - Diana R. Eddy
- Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Padjadjaran Sumedang Indonesia Jl. Raya Bandung-Sumedang km.21 West Java 45363
| | - Tatang Wahyudi
- Center for Textile, Bandung, Indonesia Jl. Jendral Ahmad Yani No.390 Bandung West Java 40272
| | - Bibah A. Ningsih
- Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Padjadjaran Sumedang Indonesia Jl. Raya Bandung-Sumedang km.21 West Java 45363
| | - Mohamad Nurzaman
- Department of Biology Faculty of Mathematics and Natural Sciences Universitas Padjadjaran Sumedang Indonesia Jl. Raya Bandung-Sumedang km.21 West Java 45363
| | - Nandang Permadi
- Department of Biology Faculty of Mathematics and Natural Sciences Universitas Padjadjaran Sumedang Indonesia Jl. Raya Bandung-Sumedang km.21 West Java 45363
| | - Tati Herlina
- Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Padjadjaran Sumedang Indonesia Jl. Raya Bandung-Sumedang km.21 West Java 45363
| | - Jamaludin Al Anshori
- Department of Chemistry Faculty of Mathematics and Natural Sciences Universitas Padjadjaran Sumedang Indonesia Jl. Raya Bandung-Sumedang km.21 West Java 45363
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13
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Halochromic and antioxidant capacity of smart films of chitosan/chitin nanocrystals with curcuma oil and anthocyanins. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107119] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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14
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Mahmood K, Kamilah H, Alias AK, Ariffin F, Mohammadi Nafchi A. Functionalization of electrospun fish gelatin mats with bioactive agents: Comparative effect on morphology, thermo-mechanical, antioxidant, antimicrobial properties, and bread shelf stability. Food Sci Nutr 2022; 10:584-596. [PMID: 35154694 PMCID: PMC8825724 DOI: 10.1002/fsn3.2676] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/11/2021] [Accepted: 11/17/2021] [Indexed: 01/20/2023] Open
Abstract
In the current study, fish gelatin-based nanofiber mats were embedded with different bioactive agents (BAs) such as cinnamaldehyde (CEO), limonene (LEO), and eugenol (EEO) at 1, 3, and 5% via electrospinning, and their effects on the morphological, structural, mechanical, thermal, antioxidant, antimicrobial, and bread packaging properties of the mats were evaluated. The gelatin mats presented different physicochemical properties due to the inherent differences in the chemical structure of the added BAs and their interaction with the gelatin chains. The conductivity, surface tension, and viscosity of gelatin dopes changed with the presence of the BAs, yet the electrospun nanofibers showed defect-free uniform morphology as confirmed by electron microscopy, with no significant change in the chemical structure of gelatin. The melting temperature of gelatin mats remained in the range of 187-197°C. The mats presented lower tensile strength and elongation at break by the addition of BAs compared with the pristine gelatin mat. The highest radical scavenging (90%) was yielded by mats with EEO, while mats with CEO depicted better antibacterial activity with an inhibition zone of 18.83 mm. However, a dose-dependent increase in the antifungal properties was noticed for all the mats. The mats retained almost 50% of BAs after 60 days of storage at 45% relative humidity. Electrospun gelatin mats inhibited the aerobic bacteria (81%) and yeast and molds (61%) in preservative-free bread after 10 days of storage.
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Affiliation(s)
- Kaiser Mahmood
- Food Technology DivisionSchool of Industrial TechnologyUniversiti Sains MalaysiaPenangMalaysia
| | - Hanisah Kamilah
- Department of Crop Science, Faculty of Agriculture and ForestryUniversiti Putra MalaysiaBintulu Sarawak CampusBintuluMalaysia
- Halal Products Research InstituteUniversiti Putra MalaysiaSerdangMalaysia
| | - Abd Karim Alias
- Food Technology DivisionSchool of Industrial TechnologyUniversiti Sains MalaysiaPenangMalaysia
| | - Fazilah Ariffin
- Food Technology DivisionSchool of Industrial TechnologyUniversiti Sains MalaysiaPenangMalaysia
| | - Abdorreza Mohammadi Nafchi
- Food Technology DivisionSchool of Industrial TechnologyUniversiti Sains MalaysiaPenangMalaysia
- Department of Food Science and Technology, Damghan BranchIslamic Azad UniversityDamghanIran
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15
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Huang K, Yuan Y, Baojun X. A Critical Review on the Microencapsulation of Bioactive Compounds and Their Application. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1963978] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Kehao Huang
- Food Science and Technology Program, BNU-HKBU United International College, Zhuhai, China
- Department Of Food Science And Agricultural Chemistry, McGill University, Quebec, Canada
| | - Yingzhi Yuan
- Food Science and Technology Program, BNU-HKBU United International College, Zhuhai, China
- Department Of Biochemistry, University College London, London, UK
| | - Xu Baojun
- Food Science and Technology Program, BNU-HKBU United International College, Zhuhai, China
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16
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López S, Tapia A, Zygadlo J, Stariolo R, Abraham GA, Cortez Tornello PR. Zuccagnia punctata Cav. Essential Oil into Poly(ε-caprolactone) Matrices as a Sustainable and Environmentally Friendly Strategy Biorepellent against Triatoma infestans (Klug) (Hemiptera, Reduviidae). Molecules 2021; 26:4056. [PMID: 34279396 PMCID: PMC8271999 DOI: 10.3390/molecules26134056] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/28/2021] [Accepted: 06/28/2021] [Indexed: 11/20/2022] Open
Abstract
The main strategies against Triatoma infestans (primary vector responsible for the Chagas disease transmission) are the elimination or reduction of its abundance in homes through the application of insecticides or repellents with residual power, and environmental management through the improvement of housing. The use of plant-derived compounds as a source of therapeutic agents (i.e., essential oils from aromatic plants and their components) is a valuable alternative to conventional insecticides and repellents. Essential oil-based insect repellents are environmentally friendly and provide reliable personal protection against the bites of mosquitoes and other blood-sucking insects. This study investigates, for the first time to our knowledge, the potential repellent activity of Zuccagnia punctata essential oil (ZEO) and poly(ε-caprolactone) matrices loaded with ZEO (ZEOP) prepared by solvent casting. The analysis of its essential oil from aerial parts by GC-FID and GC-MS, MS allowed the identification of 25 constituents representing 99.5% of the composition. The main components of the oil were identified as (-)-5,6-dehydrocamphor (62.4%), alpha-pinene (9.1%), thuja-2, 4 (10)-diene (4.6%) and dihydroeugenol (4.5%). ZEOP matrices were homogeneous and opaque, with thickness of 800 ± 140 µm and encapsulation efficiency values above 98%. ZEO and ZEOP at the lowest dose (0.5% wt./wt., 96 h) showed a repellency of 33 and 73% respectively, while at the highest dose (1% wt./wt., 96 h) exhibited a repellent activity of 40 and 66 %, respectively. On the other hand, until 72 h, ZEO showed a strong repellent activity against T. infestans (88% repellency average; Class V) to both concentrations, compared with positive control N-N diethyl-3-methylbenzamide (DEET). The essential oils from the Andean flora have shown an excellent repellent activity, highlighting the repellent activity of Zuccagnia punctata. The effectiveness of ZEO was extended by its incorporation in polymeric systems and could have a potential home or peridomiciliary use, which might help prevent, or at least reduce, Chagas' disease transmission.
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Affiliation(s)
- Sandra López
- Instituto de Biotecnología-Instituto de CienciasBásicas, Universidad Nacional de San Juan, Av. Libertador General San Martín 1109 (O), San Juan 5400, Argentina
| | - Alejandro Tapia
- Instituto de Biotecnología-Instituto de CienciasBásicas, Universidad Nacional de San Juan, Av. Libertador General San Martín 1109 (O), San Juan 5400, Argentina
| | - Julio Zygadlo
- Instituto Multidisciplinario de Biología Vegetal, Cátedra de Química Orgánica, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Córdoba 5016, Argentina
| | - Raúl Stariolo
- Coordinación Nacional de Control de Vectores, Córdoba 5000, Argentina
| | - Gustavo A Abraham
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales, INTEMA (UNMdP-CONICET), Mar del Plata 7600, Argentina
| | - Pablo R Cortez Tornello
- Instituto de Investigaciones en Ciencia y Tecnología de Materiales, INTEMA (UNMdP-CONICET), Mar del Plata 7600, Argentina
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17
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Alipanah H, Farjam M, Zarenezhad E, Roozitalab G, Osanloo M. Chitosan nanoparticles containing limonene and limonene-rich essential oils: potential phytotherapy agents for the treatment of melanoma and breast cancers. BMC Complement Med Ther 2021; 21:186. [PMID: 34215240 PMCID: PMC8254332 DOI: 10.1186/s12906-021-03362-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/23/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Melanoma and breast cancers are two common cancers worldwide. Due to the side effects of chemotherapy drugs and the occurring resistance against them, the development of green drugs has been received more attention. METHODS The anticancer effects of three essential oils from the Citrus family and their identified major constituents (limonene) were first investigated against melanoma and breast cancer cell lines (A-375 and MDA-MB-468). By preparing chitosan nanoparticles containing them, an attempt was then made to improve their effectiveness. RESULTS Chitosan nanoparticles containing Citrus sinensis and Citrus limon essential oils with IC50s of 0.03 and 0.124 μg/mL on A-375 cells, and 23.65 and 40.32 μg/mL on MDA-MB-468 showed distinct anticancer efficacies. CONCLUSION The prepared formulations could thus be considered as green anticancer agents in complementary medicine and therapies.
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Affiliation(s)
- Hiva Alipanah
- Department of Physiology, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Mojtaba Farjam
- Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
- Clinical Research Development Unit, Valie-Asr Hospital, Fasa University of Medical Sciences, Fasa, Iran
| | - Elham Zarenezhad
- Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
- Clinical Research Development Unit, Valie-Asr Hospital, Fasa University of Medical Sciences, Fasa, Iran
| | - Ghazaal Roozitalab
- Noncommunicable Diseases Research Center, Fasa University of Medical Sciences, Fasa, Iran
| | - Mahmoud Osanloo
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, Iran.
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18
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Antunes JC, Domingues JM, Miranda CS, Silva AFG, Homem NC, Amorim MTP, Felgueiras HP. Bioactivity of Chitosan-Based Particles Loaded with Plant-Derived Extracts for Biomedical Applications: Emphasis on Antimicrobial Fiber-Based Systems. Mar Drugs 2021; 19:md19070359. [PMID: 34201803 PMCID: PMC8303307 DOI: 10.3390/md19070359] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/14/2021] [Accepted: 06/21/2021] [Indexed: 01/16/2023] Open
Abstract
Marine-derived chitosan (CS) is a cationic polysaccharide widely studied for its bioactivity, which is mostly attached to its primary amine groups. CS is able to neutralize reactive oxygen species (ROS) from the microenvironments in which it is integrated, consequently reducing cell-induced oxidative stress. It also acts as a bacterial peripheral layer hindering nutrient intake and interacting with negatively charged outer cellular components, which lead to an increase in the cell permeability or to its lysis. Its biocompatibility, biodegradability, ease of processability (particularly in mild conditions), and chemical versatility has fueled CS study as a valuable matrix component of bioactive small-scaled organic drug-delivery systems, with current research also showcasing CS’s potential within tridimensional sponges, hydrogels and sutures, blended films, nanofiber sheets and fabric coatings. On the other hand, renewable plant-derived extracts are here emphasized, given their potential as eco-friendly radical scavengers, microbicidal agents, or alternatives to antibiotics, considering that most of the latter have induced bacterial resistance because of excessive and/or inappropriate use. Loading them into small-scaled particles potentiates a strong and sustained bioactivity, and a controlled release, using lower doses of bioactive compounds. A pH-triggered release, dependent on CS’s protonation/deprotonation of its amine groups, has been the most explored stimulus for that control. However, the use of CS derivatives, crosslinking agents, and/or additional stabilization processes is enabling slower release rates, following extract diffusion from the particle matrix, which can find major applicability in fiber-based systems within ROS-enriched microenvironments and/or spiked with microbes. Research on this is still in its infancy. Yet, the few published studies have already revealed that the composition, along with an adequate drug release rate, has an important role in controlling an existing infection, forming new tissue, and successfully closing a wound. A bioactive finishing of textiles has also been promoting high particle infiltration, superior washing durability, and biological response.
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19
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Valle JAB, Valle RDCSC, Bierhalz ACK, Bezerra FM, Hernandez AL, Lis Arias MJ. Chitosan microcapsules: Methods of the production and use in the textile finishing. J Appl Polym Sci 2021. [DOI: 10.1002/app.50482] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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20
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da Silva MRM, Ricci-Júnior E. An approach to natural insect repellent formulations: from basic research to technological development. Acta Trop 2020; 212:105419. [PMID: 32119826 DOI: 10.1016/j.actatropica.2020.105419] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 02/24/2020] [Accepted: 02/24/2020] [Indexed: 02/06/2023]
Abstract
The incidence of dengue, Zika, chikungunya, yellow fever and malaria cases has increased significantly in the world. To avoid mosquito bites, one of the best strategies is the use of repellents. The interest in using plants as mosquito repellents has increased significantly. In this review, has been performed a bibliographic survey of the plants with repellent activity, evaluate the trends of natural repellent formulations in the scientific literature, those described in patents and commercially available products. Limonene, 1,8-cineole, geraniol, eugenol and citronellal are the active compounds that mostly appear in the essential oils of plants with repellent activity. The type of natural repellent formulation mostly widely marketed is the spray and lotion, respectively. In patents, classic formulation as emulsion was most frequently used, followed by lotions and sprays. Data collected from scientific articles and patents show that microparticles are the most widely used extended release systems nowadays for natural repellents. The citronella essential oil was the one mostly used among the classic commercially available formulations, as well as in the extended release systems described in the literature and patents. Future research must be conducted to the use of nanotechnology in the development of extended release systems containing essential oils with repellent activity produced from natural and biodegradable materials.
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21
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Encapsulated Limonene: A Pleasant Lemon-Like Aroma with Promising Application in the Agri-Food Industry. A Review. Molecules 2020; 25:molecules25112598. [PMID: 32503168 PMCID: PMC7321087 DOI: 10.3390/molecules25112598] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/29/2020] [Accepted: 06/02/2020] [Indexed: 01/16/2023] Open
Abstract
Limonene, mainly found as a major component in Citrus spp., has been proven to possess a valuable potential as sustainable replacement to synthetic pesticides and food preservatives. This review intends to give a clear overview of the principal emerging applications of limonene in the agri-food industry as antimicrobial, herbicidal and antioxidant agent. To successfully use limonene in a greener agri-food industry, its preservation had become a top concern for manufacturers. In order to elucidate the most efficient and sustainable manner to encapsulate limonene, the different techniques and materials tested up to the present are also reviewed. In general, encapsulation conserves and protects limonene from outside aggressions, but also allows its controlled release as well as enhances its low water solubility, which can be critical for the discussed applications. Other parameters such as scalability, low cost and availability of equipment will need to be taken into account. Further efforts would likely be oriented to the elucidation of encapsulating sustainable systems obtained by cost-efficient elaboration processes, which can deliver effective concentrations of limonene without affecting crops and food products.
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22
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The Effect of Eugenol and Chitosan Concentration on the Encapsulation of Eugenol Using Whey Protein–Maltodextrin Conjugates. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10093205] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Eugenol has many functional properties for food and pharmaceutical purposes, especially as an antimicrobial agent. However, its use is constrained by its volatility and shelf life because it is easily degraded due to temperature, oxidation, and light. Research on encapsulation technology using biopolymers is still required to obtain the appropriate formulation in a eugenol delivery system. The aims of this research were to develop a new formulation of protein and polysaccharides in eugenol encapsulation and to determine the effect of eugenol and chitosan concentration on the characteristics of the emulsions and spray-dried powder produced. In this study, eugenol was encapsulated in whey protein–maltodextrin conjugates and chitosan through the double layer encapsulation method. The emulsions which were prepared with 2.0% eugenol were relatively more stable than those of 1.0% eugenol based on the polydispersity index and zeta potential values. Spray-dried powder which was prepared using an emulsion of 2.0% w/w eugenol and 0.33% w/w chitosan had the highest eugenol loading. The presence of chitosan resulted in more stable emulsions based on their zeta potential values, improved thermal stability of eugenol, increased eugenol loading to become twice as much as the loading obtained without chitosan, and modified release profile of eugenol from the spray-dried powders.
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23
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Chi Y, Wang D, Jiang M, Chu S, Wang B, Zhi Y, Zhou P, Zhang D. Microencapsulation of Bacillus megaterium NCT-2 and its effect on remediation of secondary salinization soil. J Microencapsul 2019; 37:134-143. [PMID: 31847637 DOI: 10.1080/02652048.2019.1705409] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Aim: To prolong the shelf life of Bacillus megaterium NCT-2 by preparing microcapsules through spray drying, and evaluate their efficiency in secondary salinisation soil remediation.Methods: The wall material and spray drying conditions were optimised. Morphological characteristics of microcapsule were measured, and soil remediation effects were tested under field conditions.Results: A relatively higher survival rate of B. megaterium microcapsule was obtained with 1:1 of chitosan/maltodextrin (w/w) when spray drying was performed at 150.0 °C, with the feed flow rates of 800 mL h-1 and 1000 mL h-1, respectively. The span value of 0.93 ± 0.01 was obtained under above conditions. Microcapsule survival rate was 64.09 ± 0.12% after 6 months of storage. Moreover, microcapsule successfully decreased NO3- and EC value in strongly saline soil by 46.5 ± 1.48% and 45.2 ± 1.51%, respectively.Conclusion: Bacillus megaterium NCT-2 microcapsules have application potential in the remediation of secondary salinisation soil.
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Affiliation(s)
- Yaowei Chi
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.,Ministry of Agriculture and Rural Affairs, Key Laboratory of Urban Agriculture, Shanghai, China
| | - Daxin Wang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.,Ministry of Agriculture and Rural Affairs, Key Laboratory of Urban Agriculture, Shanghai, China
| | - Miao Jiang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.,Ministry of Agriculture and Rural Affairs, Key Laboratory of Urban Agriculture, Shanghai, China
| | - Shaohua Chu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.,Ministry of Agriculture and Rural Affairs, Key Laboratory of Urban Agriculture, Shanghai, China
| | - Bin Wang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.,Ministry of Agriculture and Rural Affairs, Key Laboratory of Urban Agriculture, Shanghai, China
| | - Yuee Zhi
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.,Ministry of Agriculture and Rural Affairs, Key Laboratory of Urban Agriculture, Shanghai, China
| | - Pei Zhou
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.,Ministry of Agriculture and Rural Affairs, Key Laboratory of Urban Agriculture, Shanghai, China
| | - Dan Zhang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China.,Ministry of Agriculture and Rural Affairs, Key Laboratory of Urban Agriculture, Shanghai, China
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24
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Xue F, Gu Y, Wang Y, Li C, Adhikari B. Encapsulation of essential oil in emulsion based edible films prepared by soy protein isolate-gum acacia conjugates. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.05.014] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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25
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Massella D, Argenziano M, Ferri A, Guan J, Giraud S, Cavalli R, Barresi AA, Salaün F. Bio-Functional Textiles: Combining Pharmaceutical Nanocarriers with Fibrous Materials for Innovative Dermatological Therapies. Pharmaceutics 2019; 11:E403. [PMID: 31405229 PMCID: PMC6723157 DOI: 10.3390/pharmaceutics11080403] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/30/2019] [Accepted: 08/05/2019] [Indexed: 12/16/2022] Open
Abstract
In the field of pharmaceutical technology, significant attention has been paid on exploiting skin as a drug administration route. Considering the structural and chemical complexity of the skin barrier, many research works focused on developing an innovative way to enhance skin drug permeation. In this context, a new class of materials called bio-functional textiles has been developed. Such materials consist of the combination of advanced pharmaceutical carriers with textile materials. Therefore, they own the possibility of providing a wearable platform for continuous and controlled drug release. Notwithstanding the great potential of these materials, their large-scale application still faces some challenges. The present review provides a state-of-the-art perspective on the bio-functional textile technology analyzing the several issues involved. Firstly, the skin physiology, together with the dermatological delivery strategy, is keenly described in order to provide an overview of the problems tackled by bio-functional textiles technology. Secondly, an overview of the main dermatological nanocarriers is provided; thereafter the application of these nanomaterial to textiles is presented. Finally, the bio-functional textile technology is framed in the context of the different dermatological administration strategies; a comparative analysis that also considers how pharmaceutical regulation is conducted.
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Affiliation(s)
- Daniele Massella
- ENSAIT, GEMTEX-Laboratoire de Génie et Matériaux Textiles, F-59000 Lille, France.
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino (TO), Italy.
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China.
| | - Monica Argenziano
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, 10125 Torino, Italy
| | - Ada Ferri
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino (TO), Italy
| | - Jinping Guan
- College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
| | - Stéphane Giraud
- ENSAIT, GEMTEX-Laboratoire de Génie et Matériaux Textiles, F-59000 Lille, France
| | - Roberta Cavalli
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, 10125 Torino, Italy
| | - Antonello A Barresi
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino (TO), Italy
| | - Fabien Salaün
- ENSAIT, GEMTEX-Laboratoire de Génie et Matériaux Textiles, F-59000 Lille, France
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26
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Kala S, Agarwal A, Sogan N, Naik SN, Nagpal BN, Patanjali PK, Kumar J. Chitosan-acrylate nanogel for durable anti mosquito finishing of cotton fabric and its dermal toxicity profiling on Swiss albino mice. Colloids Surf B Biointerfaces 2019; 181:789-797. [PMID: 31238211 DOI: 10.1016/j.colsurfb.2019.06.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 05/28/2019] [Accepted: 06/10/2019] [Indexed: 10/26/2022]
Abstract
Chitosan nanocapsules, containing lemongrass (Cymbopogon citratus) oil (LGO), have been developed in gel form in which acrylate (Ac) was incorporated as a thickener and fabric binder. The gel was impregnated on fabric to achieve long-lasting and wash-durable mosquito repellency. The interaction between cotton fibers and gel was investigated by FTIR and XRD. Wash durability of gel was compared with chitosan nanocapsules without acrylate (LGO-encap) using SEM and GC-MS. The SEM analyses revealed that acrylate containing nanocapsules retains on fabric after a series of washing. The GC-MS results indicated that the relative amount of deducible oil components from fabric was found to be higher after the series of washing in acrylate containing nanocapsules (LGO-encap-Ac), which further points to the improved wash durability and retention of capsules on fabric. The bio-efficacy results of post-fifteen washing turned out was 75% of repellency against mosquitoes with the use of acrylate; while in nanocapsules without acrylate, only 51% of repellency was achieved. Furthermore, the 36 days repeated application of nanogel on Swiss albino mice did not show any signs of dermal toxicity. The formulation is, thus, suitable to impregnate dress of the military personals and individuals who have to perform field duty and where risk of mosquito bites is probably more.
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Affiliation(s)
- Smriti Kala
- Formulation Division, Institute of Pesticide Formulation Technology (IPFT), Gurugram 122016, Haryana, India; Center for Rural Development Technology (CRDT), Indian Institute of Technology (IIT), Delhi 110016, India.
| | - Amrish Agarwal
- Formulation Division, Institute of Pesticide Formulation Technology (IPFT), Gurugram 122016, Haryana, India.
| | - Nisha Sogan
- National Institute of Malaria Research (NIMR), Delhi 110077, India.
| | - S N Naik
- Center for Rural Development Technology (CRDT), Indian Institute of Technology (IIT), Delhi 110016, India.
| | | | - P K Patanjali
- Formulation Division, Institute of Pesticide Formulation Technology (IPFT), Gurugram 122016, Haryana, India.
| | - Jitendra Kumar
- Formulation Division, Institute of Pesticide Formulation Technology (IPFT), Gurugram 122016, Haryana, India.
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27
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Dhal C, Mishra R. Formulation development and in vitro evaluation of gentamicin sulfate-loaded PLGA nanoparticles based film for the treatment of surgical site infection by Box–Behnken design. Drug Dev Ind Pharm 2019; 45:805-818. [DOI: 10.1080/03639045.2019.1576719] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Chetan Dhal
- Department of Pharmaceutics and Pharmaceutical Technology, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Renuka Mishra
- Department of Pharmaceutics and Pharmaceutical Technology, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
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Kaur N, Bharti A, Batra S, Rana S, Rana S, Bhalla A, Prabhakar N. An electrochemical aptasensor based on graphene doped chitosan nanocomposites for determination of Ochratoxin A. Microchem J 2019. [DOI: 10.1016/j.microc.2018.08.064] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Yavuz G, Zille A, Seventekin N, Souto AP. Structural coloration of chitosan coated cellulose fabrics by electrostatic self-assembled poly (styrene-methyl methacrylate-acrylic acid) photonic crystals. Carbohydr Polym 2018; 193:343-352. [DOI: 10.1016/j.carbpol.2018.03.084] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 03/17/2018] [Accepted: 03/25/2018] [Indexed: 11/26/2022]
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Hasani S, Ojagh SM, Ghorbani M. Nanoencapsulation of lemon essential oil in Chitosan-Hicap system. Part 1: Study on its physical and structural characteristics. Int J Biol Macromol 2018; 115:143-151. [PMID: 29653169 DOI: 10.1016/j.ijbiomac.2018.04.038] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 03/18/2018] [Accepted: 04/08/2018] [Indexed: 10/17/2022]
Abstract
Lemon essential oils (LEOs) as a bioactive compound with health beneficial potential are used as safe additives in foods, medicine and nutritional supplements. However, it is a chemical compound which is sensitive to light, thermal condition and oxidation. To overcome these challenge encapsulation could be an adequate technique to protect them from degradation and evaporation. In this study, nanocapsules based on chitosan (CS) and modified starch (Hicap) with LEOs as an active ingredient was prepared by freeze-drying. The produced nanocapsules were characterized by their structural and physicochemical properties. It was found that nanocapsules produced by using CS: Hi-cap (1.5%:8.5%) clearly showed the highest encapsulation efficiency (85.44%) and Zeta potential value (+44.23mV). In vitro release studies demonstrated a prolonged release of the samples with larger CS ratio. Most nanocapsules sizes ranged from 339.3 to 553.3nm. The obtained nanocapsules showed a rough surface without the spherical shape as represented by Scanning electron microscopy images. Differential scanning calorimetry (DSC) thermogram and Fourier transform infrared (FTIR) spectroscopy techniques confirmed the success of LEOs encapsulation. The desirable physicochemical properties and thermal stability specified that such nanocapsules have promising application in delivery of LEOs in medicine and food industries.
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Affiliation(s)
- Shirin Hasani
- Department of Fisheries, Faculty of Fisheries and the Environment, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Seyed Mahdi Ojagh
- Department of Fisheries, Faculty of Fisheries and the Environment, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
| | - Mohammad Ghorbani
- Department of Food Chemistry, Faculty of Food Science and Technology, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
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Tavares M, da Silva MRM, de Oliveira de Siqueira LB, Rodrigues RAS, Bodjolle-d'Almeida L, Dos Santos EP, Ricci-Júnior E. Trends in insect repellent formulations: A review. Int J Pharm 2018; 539:190-209. [PMID: 29410208 DOI: 10.1016/j.ijpharm.2018.01.046] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 01/23/2018] [Accepted: 01/24/2018] [Indexed: 11/28/2022]
Abstract
The use of natural and synthetic repellents, marketed in different pharmaceutical forms, is growing in the world due to the emerging vector-borne viral diseases as Dengue, Zika, Chikungunya, Yellow Fever and Malaria. The choice of the ideal formulation will depend on a series of factors to be analyzed: type of repellent active (natural or synthetic), pharmaceutical forms (spray, lotion, cream, gel), action time duration (short or long), environment of exposure and the user (adult, pregnant women, children, newborn). The most used repellents are DEET, IR3535 (Ethyl Butylacetylaminopropionate) (EB), Icaridin (Picaridin) and essential oils, each of them presenting advantages and disadvantages. DEET is the oldest and the most powerful repellent available in the market, thus being the reference standard. For this reason, there are many classic formulations available in the market containing the chemical component DEET in spray forms and lotions. However, due to its toxicity, DEET is not recommended for children up to 6 months and pregnant women. DEET has been an option along with other market-shared products as IR3535 and Icaridin (Picaridin), which present less toxicity in their composition. IR3535 is the less toxic and may be prescribed for children over 6 months of age and pregnant women so that they have been the best option because of the lower toxicity levels presented. IR3535 is the one that has the lowest toxicity level among the three options and may be prescribed for children above 6 months of age and pregnant women. Icaridin is as potent as DEET, but less toxic, and has the advantage of having the long-lasting action among the aforementioned repellents. The new formulations have been based on controlled release systems (CRS). The CRSs for repellents comprise polymer micro/nanocapsules, micro/solid lipid nanoparticles, nanoemulsions/microemulsions, liposomes/niosomes, nanostructured hydrogels and cyclodextrins. There are many formulations based on micro and nanocapsules containing DEET and essential oils to increase repellent action time duration and decrease permeation and consequently, systemic toxicity. The development of new formulations for the IR3535 and Icaridin is a research field yet to be explored. The current trend is the use of natural repellent actives such as essential oils, which present low toxicity, do not harm the environment, but present reduced repellent action time due to rapid evaporation after skin application. CRSs have been used as vehicle of natural repellents to improve long-lasting repellent action, reduce skin permeation and systemic effects.
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Affiliation(s)
- Melanie Tavares
- Federal University of Rio de Janeiro, Faculty of Pharmacy, Department of Medicines, Laboratório de Desenvolvimento Galênico (LADEG), Carlos Chagas Filho Avenue, Ilha do Fundão, Rio de Janeiro 21941-590, Brazil.
| | - Márcio Robert Mattos da Silva
- Federal University of Rio de Janeiro, Faculty of Pharmacy, Department of Medicines, Laboratório de Desenvolvimento Galênico (LADEG), Carlos Chagas Filho Avenue, Ilha do Fundão, Rio de Janeiro 21941-590, Brazil
| | - Luciana Betzler de Oliveira de Siqueira
- Federal University of Rio de Janeiro, Faculty of Pharmacy, Department of Medicines, Laboratório de Desenvolvimento Galênico (LADEG), Carlos Chagas Filho Avenue, Ilha do Fundão, Rio de Janeiro 21941-590, Brazil
| | - Raphaela Aparecida Schuenck Rodrigues
- Federal University of Rio de Janeiro, Faculty of Pharmacy, Department of Medicines, Laboratório de Desenvolvimento Galênico (LADEG), Carlos Chagas Filho Avenue, Ilha do Fundão, Rio de Janeiro 21941-590, Brazil
| | | | - Elisabete Pereira Dos Santos
- Federal University of Rio de Janeiro, Faculty of Pharmacy, Department of Medicines, Laboratório de Desenvolvimento Galênico (LADEG), Carlos Chagas Filho Avenue, Ilha do Fundão, Rio de Janeiro 21941-590, Brazil
| | - Eduardo Ricci-Júnior
- Federal University of Rio de Janeiro, Faculty of Pharmacy, Department of Medicines, Laboratório de Desenvolvimento Galênico (LADEG), Carlos Chagas Filho Avenue, Ilha do Fundão, Rio de Janeiro 21941-590, Brazil
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VILLEGAS-RASCÓN RE, LÓPEZ-MENESES AK, PLASCENCIA-JATOMEA M, COTA-ARRIOLA O, MORENO-IBARRA GM, CASTILLÓN-CAMPAÑA LG, SÁNCHEZ-MARIÑEZ RI, CORTEZ-ROCHA MO. Control of mycotoxigenic fungi with microcapsules of essential oils encapsulated in chitosan. FOOD SCIENCE AND TECHNOLOGY 2017. [DOI: 10.1590/1678-457x.04817] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Sakeer K, Ispas-Szabo P, Benyerbah N, Mateescu MA. Ampholytic starch excipients for high loaded drug formulations: Mechanistic insights. Int J Pharm 2017; 535:201-216. [PMID: 29128422 DOI: 10.1016/j.ijpharm.2017.11.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 11/02/2017] [Accepted: 11/03/2017] [Indexed: 01/12/2023]
Abstract
Ampholytic starch derivatives are proposed as a new class of excipients carrying simultaneously anionic carboxymethyl (CM) and cationic aminoethyl (AE) groups on starch (St) polymeric chains. Three different types of derivatives were obtained by using the same reagents and varying only the order of their addition in the reaction medium: in one step method (OS) the two reactants were added simultaneously, whereas in two steps method (TS) either CMSt or AESt were prepared separately in the first step, followed by subsequent addition of the second reactant. It was found that all ampholytic derivatives were able to generate monolithic tablets by direct compression and allowed 60% loading of acidic (Acetylsalicylic acid), basic (Metformin), zwitterion (Mesalamine) or neutral (Acetaminophen) as drug models. The in vitro dissolution tests followed for 2 h in SGF and then in SIF, showed that the mentioned starch derivatives were stabilized by self-assembling and generated matrices able to control the release of drugs for about 24 h. The addition order of reagents has an impact on ampholytic starch properties offering thus a high versatility of this new class of starch excipients that can be tailored for challenging formulations with high dosages of several drugs.
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Affiliation(s)
- Khalil Sakeer
- Department of Chemistry and Pharmaqam Center, Université du Québec à Montréal, C.P. 8888, Branch A, Montréal, Québec H3C 3P8, Canada
| | - Pompilia Ispas-Szabo
- Department of Chemistry and Pharmaqam Center, Université du Québec à Montréal, C.P. 8888, Branch A, Montréal, Québec H3C 3P8, Canada
| | - Nassim Benyerbah
- Department of Chemistry and Pharmaqam Center, Université du Québec à Montréal, C.P. 8888, Branch A, Montréal, Québec H3C 3P8, Canada
| | - Mircea Alexandru Mateescu
- Department of Chemistry and Pharmaqam Center, Université du Québec à Montréal, C.P. 8888, Branch A, Montréal, Québec H3C 3P8, Canada.
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Peila R, Scordino P, Shanko D, Caldera F, Trotta F, Ferri A. Synthesis and characterization of β-cyclodextrin nanosponges for N,N-diethyl-meta-toluamide complexation and their application on polyester fabrics. REACT FUNCT POLYM 2017. [DOI: 10.1016/j.reactfunctpolym.2017.08.008] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Bordianu-Antochi IE, Olaru M, Cotofana C. Novel hybrid formulations based on chitosan and a siloxane compound intended for biomedical applications. REACT FUNCT POLYM 2017. [DOI: 10.1016/j.reactfunctpolym.2017.03.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Sotelo-Boyás M, Correa-Pacheco Z, Bautista-Baños S, Corona-Rangel M. Physicochemical characterization of chitosan nanoparticles and nanocapsules incorporated with lime essential oil and their antibacterial activity against food-borne pathogens. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2016.11.022] [Citation(s) in RCA: 129] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Antibacterial Activity and Physical Properties of Fish Gelatin-Chitosan Edible Films Supplemented with D-Limonene. INT J POLYM SCI 2017. [DOI: 10.1155/2017/1837171] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Fish gelatin-chitosan edible films with D-limonene were successfully prepared, which exhibited exceptional mechanical properties and antimicrobial activity. It has been demonstrated that water-soluble chitosan, fish gelatin, and D-limonene could be a candidate precursor to prepare low cost and high-performance edible food packaging material. The results showed that D-limonene in the films could effectively resist the penetration of light and water because of its hydrophobicity. Moreover, the elongation at break (EAB) increased with the addition of D-limonene, which indicated that D-limonene served as a strong plasticizer for the film. Microscopic characterization showed that D-limonene was uniformly distributed in the as-prepared film. And we found that the film exhibited strong antibacterial activity against Escherichia coli (E. coli). All the results indicate that the as-prepared film could be a promising food packaging.
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Samyn P, Stanssens D. Thermal release of vegetable oils loaded in hydrophobic polymer nanoparticles. EUR J LIPID SCI TECH 2015. [DOI: 10.1002/ejlt.201500193] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Pieter Samyn
- University of Freiburg, Freiburg Research Institute for Advances Studies (FRIAS), Faculty for Environment and Natural Resources; Chair for Bio-Based Materials Engineering; Freiburg Germany
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