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Moura-Alves M, Souza VGL, Silva JA, Esteves A, Pastrana LM, Saraiva C, Cerqueira MA. Characterization of Sodium Alginate-Based Films Blended with Olive Leaf and Laurel Leaf Extracts Obtained by Ultrasound-Assisted Technology. Foods 2023; 12:4076. [PMID: 38002134 PMCID: PMC10670003 DOI: 10.3390/foods12224076] [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: 10/09/2023] [Revised: 11/02/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Due to environmental concerns, there is an increasing need to reduce the use of synthetic and non-renewable packaging materials to reduce waste and increase sustainability. This study aimed to characterise sodium alginate edible-based films (SA) incorporated with laurel leaf extract (LLE) and olive leaf extract (OLE) obtained by ultrasound-assisted extraction. Determination of total phenolic content, antioxidant, and antimicrobial activity was performed for the extracts and films. Also, thickness, tensile strength, elongation at break, modulus of elasticity, opacity and colour, moisture content, water vapour permeability (WVP), Fourier-transform infrared spectroscopy (FTIR) spectra, and surface morphology by scanning electron microscope (SEM) analyses were performed for the films. LLE yielded better results in terms of phenolic content (195 mg GAE/g), antioxidant (2.1 TE/g extract) and antimicrobial activity (MIC at 1% for Listeria monocytogenes and Staphylococcus aureus, and 1.8% for Enterococcus faecalis). For the films, the simultaneous incorporation of LLE 1% (w/v) and OLE 1% (w/v) resulted in a significant reduction of approximately 2 log CFU/g against S. aureus. The addition of LLE and OLE extracts also proved to improve barrier properties (lower WVP for SA films with LLE 1% + OLE 1%, 3.49 × 10-11 g m-1 s-1 Pa-1) and promoted changes in resistance and flexibility. The results demonstrated that active alginate-based films can be valuable for enhancing food preservation.
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Affiliation(s)
- Márcio Moura-Alves
- CECAV—Centre for Studies in Animal and Veterinary Science, University of Trás-Os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.A.S.); (A.E.); (C.S.)
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, 5000-801 Vila Real, Portugal
- INL—International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (V.G.L.S.); (L.M.P.); (M.A.C.)
| | - Victor Gomes Lauriano Souza
- INL—International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (V.G.L.S.); (L.M.P.); (M.A.C.)
| | - Jose A. Silva
- CECAV—Centre for Studies in Animal and Veterinary Science, University of Trás-Os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.A.S.); (A.E.); (C.S.)
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, 5000-801 Vila Real, Portugal
| | - Alexandra Esteves
- CECAV—Centre for Studies in Animal and Veterinary Science, University of Trás-Os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.A.S.); (A.E.); (C.S.)
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, 5000-801 Vila Real, Portugal
| | - Lorenzo M. Pastrana
- INL—International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (V.G.L.S.); (L.M.P.); (M.A.C.)
| | - Cristina Saraiva
- CECAV—Centre for Studies in Animal and Veterinary Science, University of Trás-Os-Montes and Alto Douro, 5000-801 Vila Real, Portugal; (J.A.S.); (A.E.); (C.S.)
- AL4AnimalS—Associate Laboratory for Animal and Veterinary Sciences, 5000-801 Vila Real, Portugal
| | - Miguel A. Cerqueira
- INL—International Iberian Nanotechnology Laboratory, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (V.G.L.S.); (L.M.P.); (M.A.C.)
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2
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Wang S, Rao W, Hou C, Suleman R, Zhang Z, Chai X, Tian H. Development of Plastic/Gelatin Bilayer Active Packaging Film with Antibacterial and Water-Absorbing Functions for Lamb Preservation. Food Sci Anim Resour 2023; 43:1128-1149. [PMID: 37969331 PMCID: PMC10636216 DOI: 10.5851/kosfa.2023.e32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 06/20/2023] [Accepted: 06/20/2023] [Indexed: 11/17/2023] Open
Abstract
In order to extend the shelf life of refrigerating raw lamb by inhibiting the growth of microorganisms, preventing the oxidation of fat and protein, and absorbing the juice outflow of lamb during storage, an active packaging system based on plastic/gelatin bilayer film with essential oil was developed in this study. Three kinds of petroleum-derived plastic films, oriented polypropylene (OPP), polyethylene terephthalate, and polyethylene, were coated with gelatin to make bilayer films for lamb preservation. The results showed significant improvement in the mechanical properties, oxygen, moisture, and light barriers of the bilayer films compared to the gelatin film. The OPP/gelatin bilayer film was selected for further experiments because of its highest acceptance by panelists. If the amount of juice outflow was less than 350% of the mass of the gelatin layer, it was difficult for the gelatin film to separate from lamb. With the increase in essential oil concentration, the water absorption capacity decreased. The OPP/gelatin bilayer films with 20% mustard or 10% oregano essential oils inhibited the growth of bacteria in lamb and displayed better mechanical properties. Essential oil decreased the brightness and light transmittance of the bilayer films and made the film yellow. In conclusion, our results suggested that the active packaging system based on OPP/gelatin bilayer film was more suitable for raw lamb preservation than single-layer gelatin film or petroleum-derived plastic film, but need further study, including minimizing the amount of essential oil, enhancing the mechanical strength of the gelatin film after water absorption.
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Affiliation(s)
- Shijing Wang
- College of Food Science and Technology,
Hebei Agricultural University, Baoding 071000, China
| | - Weili Rao
- College of Food Science and Technology,
Hebei Agricultural University, Baoding 071000, China
| | - Chengli Hou
- Institute of Food Science and Technology,
Chinese Academy of Agricultural Sciences, National Risk Assessment
Laboratory of Agro-Products Processing Quality and Safety, Ministry of
Agriculture and Rural Affairs, Beijing 100193, China
| | - Raheel Suleman
- Department of Food Science and Technology,
Faculty of Food Science and Nutrition, Bahauddin Zakariya
University, Multan 60000, Pakistan
| | - Zhisheng Zhang
- College of Food Science and Technology,
Hebei Agricultural University, Baoding 071000, China
| | - Xiaoyu Chai
- College of Food Science and Technology,
Hebei Agricultural University, Baoding 071000, China
| | - Hanxue Tian
- College of Food Science and Technology,
Hebei Agricultural University, Baoding 071000, China
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3
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Alves JDS, Canabarro NI, Boeira CP, Melo PTS, Aouada MRDM, da Rosa CS. Design of Biodegradable Films Using Pecan Nut Cake Extracts for Food Packing. Foods 2023; 12:foods12071405. [PMID: 37048226 PMCID: PMC10093672 DOI: 10.3390/foods12071405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/18/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
The excessive consumption of plastic packaging and its consequent disposal and accumulation in the environment have aroused the interest of researchers in developing packaging that can cause less harm to nature. In this sense, this article presents research on the addition of antioxidant extracts from pecan nut cake in biodegradable packaging made with a polymeric mixture of gelatin and corn starch. The films produced were characterized by scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, thickness, mechanical properties, water vapor permeability (WVP), solubility, water contact angle, optical properties, in vitro bioactive activity, and biodegradability. A higher concentration of total phenolic compounds (101.61 mg GAE/g) was found for the condition where alcohol content and extraction time were 65% and 20 min, respectively. Pecan nut cake (PNC( extracts did not influence the film’s tensile strength, and elongation at break was tightly increased by adding 10–20% extracts. The film’s characterization pointed to more than 67% solubility, and adding PNC extract implied more hydrophilic surfaces (contact angles lower than 65°). Furthermore, the film opacity showed a linear relation with PNC extract concentration, and a higher luminosity (L*) was observed for the film without extract. Furthermore, the antioxidant activity of the films was enhanced with the addition of PNC extracts, and complete biodegradation was observed until the ninth day. Therefore, biodegradable films prepared from a mixture of gelatin starch and enriched with PNC extracts showed excellent mechanical properties and potential as carriers of antioxidant compounds, allowing us to propose their use as active packing.
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Affiliation(s)
- Jamila dos Santos Alves
- Programa de Pós-Graduação em Ciência e Tecnologia dos Alimentos, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil
- Correspondence: (J.d.S.A.); (M.R.d.M.A.)
| | | | - Caroline Pagnossim Boeira
- Programa de Pós-Graduação em Ciência e Tecnologia dos Alimentos, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil
| | - Pamela Thais Sousa Melo
- Hybrid Composites and Nanocomposites Group, Department of Physics and Chemistry, Universidade Estadual Paulista (UNESP), Ilha Solteira 15385-000, SP, Brazil
| | - Marcia Regina de Moura Aouada
- Hybrid Composites and Nanocomposites Group, Department of Physics and Chemistry, Universidade Estadual Paulista (UNESP), Ilha Solteira 15385-000, SP, Brazil
- Correspondence: (J.d.S.A.); (M.R.d.M.A.)
| | - Claudia Severo da Rosa
- Programa de Pós-Graduação em Ciência e Tecnologia dos Alimentos, Universidade Federal de Santa Maria, Santa Maria 97105-900, RS, Brazil
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4
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Presenza L, Ferraz Teixeira B, Antunes Galvão J, Maria Ferreira de Souza Vieira T. Technological strategies for the use of plant-derived compounds in the preservation of fish products. Food Chem 2023; 419:136069. [PMID: 37027976 DOI: 10.1016/j.foodchem.2023.136069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/13/2023] [Accepted: 03/26/2023] [Indexed: 04/03/2023]
Abstract
New approaches to reducing synthetic preservatives in the preservation of foods draw the attention of plant-derived bioactive compounds, especially for application in foods highly susceptible to spoilage, such as fish products. The review presents relevant data from procurement, application, and methodological research trends to investigate the potential effects of plant-derived bioactive compounds on shelf life extension in fish products. The systematization of data allowed observation that the different methods of extraction and application of bioactive plant compounds result in different effects, such as the reduction of lipid oxidation, antimicrobial effects, and maintenance of sensory characteristics, benefiting the extension of shelf life. In general, plant-derived bioactive compounds are an alternative for the preservation of fish products; however, approaches to the composition of the compounds can contribute to the optimization and efficiency of the process from a technical point of view and industrial viability.
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Affiliation(s)
- Leandro Presenza
- Department Agri-food Industry, Food, and Nutrition, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP 13418-900, Brazil.
| | - Bianca Ferraz Teixeira
- Department Agri-food Industry, Food, and Nutrition, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP 13418-900, Brazil
| | - Juliana Antunes Galvão
- Department Agri-food Industry, Food, and Nutrition, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP 13418-900, Brazil
| | - Thais Maria Ferreira de Souza Vieira
- Department Agri-food Industry, Food, and Nutrition, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP 13418-900, Brazil.
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5
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Ebrahimi V, Mohammadi Nafchi A, Bolandi M, Baghaei H. Fabrication and characterization of a pH-sensitive indicator film by purple basil leaves extract to monitor the freshness of chicken fillets. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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6
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Selim S, Albqmi M, Al-Sanea MM, Alnusaire TS, Almuhayawi MS, AbdElgawad H, Al Jaouni SK, Elkelish A, Hussein S, Warrad M, El-Saadony MT. Valorizing the usage of olive leaves, bioactive compounds, biological activities, and food applications: A comprehensive review. Front Nutr 2022; 9:1008349. [PMID: 36424930 PMCID: PMC9678927 DOI: 10.3389/fnut.2022.1008349] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 10/04/2022] [Indexed: 11/10/2022] Open
Abstract
Olive oil production is a significant source of economic profit for Mediterranean nations, accounting for around 98 percent of global output. Olive oil usage has increased dramatically in recent years, owing to its organoleptic characteristics and rising knowledge of its health advantages. The culture of olive trees and the manufacture of industrial and table olive oil produces enormous volumes of solid waste and dark liquid effluents, involving olive leaves, pomace, and olive oil mill wastewaters. These by-products cause an economic issue for manufacturers and pose major environmental concerns. As a result, partial reuse, like other agronomical production wastes, is a goal to be achieved. Because these by-products are high in bioactive chemicals, which, if isolated, might denote components with significant added value for the food, cosmetic, and nutraceutical sectors, indeed, they include significant amounts of beneficial organic acids, carbohydrates, proteins, fibers, and phenolic materials, which are distributed differently between the various wastes depending on the olive oil production method and table olive agronomical techniques. However, the extraction and recovery of bioactive materials from chosen by-products is a significant problem of their reasonable value, and rigorous detection and quantification are required. The primary aims of this review in this context are to outline the vital bioactive chemicals in olive by-products, evaluate the main developments in extraction, purification, and identification, and study their uses in food packaging systems and safety problems.
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Affiliation(s)
- Samy Selim
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
- Olive Research Center, Jouf University, Sakaka, Saudi Arabia
- *Correspondence: Samy Selim,
| | - Mha Albqmi
- Olive Research Center, Jouf University, Sakaka, Saudi Arabia
- Department of Chemistry, College of Science and Arts, Jouf University, Al Qurayyat, Saudi Arabia
| | - Mohammad M. Al-Sanea
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | | | - Mohammed S. Almuhayawi
- Department of Medical Microbiology and Parasitology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hamada AbdElgawad
- Department of Botany and Microbiology, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Soad K. Al Jaouni
- Department of Hematology and Oncology, Yousef Abdulatif Jameel Scientific Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Amr Elkelish
- Department of Botany and Microbiology, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Shaimaa Hussein
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | - Mona Warrad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences at Al-Quriat, Jouf University, Al Qurayyat, Saudi Arabia
| | - Mohamed T. El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
- Mohamed T. El-Saadony,
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7
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Premanath R, James JP, Karunasagar I, Vaňková E, Scholtz V. Tropical plant products as biopreservatives and their application in food safety. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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8
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Tymczewska A, Furtado BU, Nowaczyk J, Hrynkiewicz K, Szydłowska-Czerniak A. Functional Properties of Gelatin/Polyvinyl Alcohol Films Containing Black Cumin Cake Extract and Zinc Oxide Nanoparticles Produced via Casting Technique. Int J Mol Sci 2022; 23:2734. [PMID: 35269873 PMCID: PMC8911258 DOI: 10.3390/ijms23052734] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 02/25/2022] [Accepted: 02/26/2022] [Indexed: 02/01/2023] Open
Abstract
This study aimed to develop and characterize gelatin/polyvinyl alcohol (G/PVA) films loaded with black cumin cake extract (BCCE) and zinc oxide nanoparticles (ZnONPs). The BCCE was also applied for the green synthesis of ZnONPs with an average size of less than 100 nm. The active films were produced by a solvent-casting technique, and their physicochemical and antibacterial properties were investigated. Supplementation of G/PVA film in ZnONPs decreased the tensile strength (TS) from 2.97 MPa to 1.69 MPa. The addition of BCCE and ZnONPs increased the elongation at the break (EAB) of the enriched film by about 3%. The G/PVA/BCCE/ZnONPs film revealed the lowest water vapor permeability (WVP = 1.14 × 10-9 g·mm·Pa-1·h-1·mm-2) and the highest opacity (3.41 mm-1). The QUick, Easy, New, CHEap and Reproducible (QUENCHER) methodologies using 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azino-bis(3-ethylbenzothiazoline-6- sulfonic acid) (ABTS) and cupric ion reducing antioxidant capacity (CUPRAC) were applied to measure antioxidant capacity (AC) of the prepared films. The incorporation of BCCE and ZnONPs into G/PVA films enhanced the AC by 8-144%. The films containing ZnONPs and a mixture of BCCE and ZnONPs inhibited the growth of three Gram-positive bacterial strains. These nanocomposite films with desired functional properties can be recommended to inhibit microbial spoilage and oxidative rancidity of packaged food.
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Affiliation(s)
- Alicja Tymczewska
- Department of Analytical Chemistry and Applied Spectroscopy, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland
| | - Bliss Ursula Furtado
- Department of Microbiology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (B.U.F.); (K.H.)
| | - Jacek Nowaczyk
- Department of Physical Chemistry and Physicochemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland;
| | - Katarzyna Hrynkiewicz
- Department of Microbiology, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Toruń, Lwowska 1, 87-100 Toruń, Poland; (B.U.F.); (K.H.)
| | - Aleksandra Szydłowska-Czerniak
- Department of Analytical Chemistry and Applied Spectroscopy, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarina 7, 87-100 Toruń, Poland
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9
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Khwaldia K, Attour N, Matthes J, Beck L, Schmid M. Olive byproducts and their bioactive compounds as a valuable source for food packaging applications. Compr Rev Food Sci Food Saf 2022; 21:1218-1253. [DOI: 10.1111/1541-4337.12882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 10/25/2021] [Accepted: 11/08/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Khaoula Khwaldia
- Laboratoire des Substances Naturelles, Institut National de Recherche et d'Analyse Physico‐chimique (INRAP) BiotechPole Sidi Thabet Ariana Tunisia
| | - Nouha Attour
- Laboratoire des Substances Naturelles, Institut National de Recherche et d'Analyse Physico‐chimique (INRAP) BiotechPole Sidi Thabet Ariana Tunisia
| | - Julia Matthes
- Faculty of Life Sciences Albstadt‐Sigmaringen University Sigmaringen Germany
| | - Luisa Beck
- Faculty of Life Sciences Albstadt‐Sigmaringen University Sigmaringen Germany
| | - Markus Schmid
- Faculty of Life Sciences Albstadt‐Sigmaringen University Sigmaringen Germany
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10
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Influence of genetic and interannual factors on bioactive compounds of olive pomace determined through a germplasm survey. Food Chem 2022; 378:132107. [PMID: 35032800 DOI: 10.1016/j.foodchem.2022.132107] [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: 09/06/2021] [Revised: 12/16/2021] [Accepted: 01/05/2022] [Indexed: 11/22/2022]
Abstract
Olive mill wastes, generated in the extraction of virgin olive oil (VOO), are of important concern for the industry owing to the produced volume and polluting load, mainly associated with the presence of organic compounds. Among them, it is worth mentioning bioactive compounds, mainly phenols and triterpenes, which could be potentially isolated for further use in the cosmetic, pharmaceutical, or food industries. This research analyzed the olive pomace after extraction of VOO from fruits harvested of 43 international olive cultivars during three consecutive seasons. The cultivar was identified as the most determinant factor to explain the variability in the relative concentration of phenols and terpenic acids in the extracts. In addition, the characterization of olive pomace extracts allowed clustering cultivars according to the profile of bioactive compounds. Finally, we identified the components responsible for the observed discrimination that was explained according to biosynthetic metabolic pathways.
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11
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Grabska-Zielińska S, Gierszewska M, Olewnik-Kruszkowska E, Bouaziz M. Polylactide Films with the Addition of Olive Leaf Extract-Physico-Chemical Characterization. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7623. [PMID: 34947221 PMCID: PMC8706180 DOI: 10.3390/ma14247623] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/07/2021] [Accepted: 12/09/2021] [Indexed: 12/13/2022]
Abstract
The aim of this work was to obtain and characterize polylactide films (PLA) with the addition of poly(ethylene glycol) (PEG) as a plasticizer and chloroformic olive leaf extract (OLE). The composition of OLE was characterized by LC-MS/MS techniques. The films with the potential for using in the food packaging industry were prepared using a solvent evaporation method. The total content of the phenolic compounds and DPPH radical scavenging assay of all the obtained materials have been tested. Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy (FTIR-ATR) allows for determining the molecular structure, while Scanning Electron Microscopy (SEM) indicated differences in the films' surface morphology. Among other crucial properties, mechanical properties, thickness, degree of crystallinity, water vapor permeation rate (WVPR), and color change have also been evaluated. The results showed that OLE contains numerous active substances, including phenolic compounds, and PLA/PEG/OLE films are characterized by improved antioxidant properties. The OLE addition into PLA/PEG increases the material crystallinity, while the WVPR values remain almost unaffected. From these studies, significant insight was gained into the possibility of the application of chloroform as a solvent for both olive leaf extraction and for the preparation of OLE, PLA, and PEG-containing film-forming solutions. Finally, evaporation of the solvent from OLE can be omitted.
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Affiliation(s)
- Sylwia Grabska-Zielińska
- Department of Physical Chemistry and Physicochemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarin 7 Street, 87-100 Toruń, Poland;
| | - Magdalena Gierszewska
- Department of Physical Chemistry and Physicochemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarin 7 Street, 87-100 Toruń, Poland;
| | - Ewa Olewnik-Kruszkowska
- Department of Physical Chemistry and Physicochemistry of Polymers, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Gagarin 7 Street, 87-100 Toruń, Poland;
| | - Mohamed Bouaziz
- Electrochemistry and Environmental Laboratory, National Engineering School of Sfax, University of Sfax, BP1173, Sfax 3038, Tunisia;
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12
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Azizi-Lalabadi M, Rahimzadeh-Sani Z, Feng J, Hosseini H, Jafari SM. The impact of essential oils on the qualitative properties, release profile, and stimuli-responsiveness of active food packaging nanocomposites. Crit Rev Food Sci Nutr 2021; 63:1822-1845. [PMID: 34486886 DOI: 10.1080/10408398.2021.1971154] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Food industries attempt to introduce a new food packaging by blending essential oils (EOs) into the polymeric matrix as an active packaging, which has great ability to preserve the quality of food and increase its shelf life by releasing active compounds within storage. The main point in designing the active packaging is controlled-release of active substances for their enhanced activity. Biopolymers are functional substances, which suggest structural integrity to sense external stimuli like temperature, pH, or ionic strength. The controlled release of EOs from active packaging and their stimuli-responsive properties can be very important for practical applications of these novel biocomposites. EOs can affect the uniformity of the polymeric matrix and physical and structural characteristics of the composites, such as moisture content, solubility in water, water vapor transmission rate, elongation at break, and tensile strength. To measure the ingredients of EOs and their migration from food packaging, chromatographic methods can be used. A head-space-solid phase micro-extraction coupled to gas chromatography (HS-SPME-GC-MS) technique is as a good process for evaluating the release of Eos. Therefore, the aims of this review were to evaluate the qualitative characteristics, release profile, and stimuli-responsiveness of active and smart food packaging nanocomposites loaded with essential oils and developing such multi-faceted packaging for advanced applications.
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Affiliation(s)
- Maryam Azizi-Lalabadi
- Research Center for Environmental Determinants of Health (RCEDH), Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Zeinab Rahimzadeh-Sani
- Nutrition Research Center, Department of Food Sciences and Technology, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jianguo Feng
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Hamed Hosseini
- Department of Mechanical Engineering, Faculty of Engineering, Golestan University, Gorgan, Iran
| | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Science and Natural Resources, Gorgan, Iran
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13
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Incorporation of salmon bone gelatine with chitosan, gallic acid and clove oil as edible coating for the cold storage of fresh salmon fillet. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.107994] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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14
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Difonzo G, Squeo G, Pasqualone A, Summo C, Paradiso VM, Caponio F. The challenge of exploiting polyphenols from olive leaves: addition to foods to improve their shelf-life and nutritional value. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:3099-3116. [PMID: 33275783 DOI: 10.1002/jsfa.10986] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 10/18/2020] [Accepted: 12/04/2020] [Indexed: 06/12/2023]
Abstract
Olive leaves represent a waste from the olive oil industry which can be reused as source of polyphenols. The most representative phenolic compound of olive leaves is the secoiridoid oleuropein, followed by verbascoside, apigenin-7-O-glucoside, luteolin-7-O-glucoside, and simple phenols. The attention towards these compounds derives above all from the large number of studies demonstrating their beneficial effect on health, in fact olive leaves have been widely used in folk medicine in the Mediterranean regions. Moreover, the growing demand from consumers to replace the synthetic antioxidants, led researchers to conduct studies on the addition of plant bioactives in foods to improve their shelf-life and/or to obtain functional products. The current study overviews the findings on the addition of polyphenol-rich olive leaf extract (OLE) to foods. In particular, the effect of OLE addition on the antioxidant, microbiological and nutritional properties of different foods is examined. Most studies have highlighted the antioxidant effect of OLE in different food matrices, such as oils, meat, baked goods, vegetables, and dairy products. Furthermore, the antimicrobial activity of OLE has been observed in meat and vegetable foods, highlighting the potential of OLE as a replacer of synthetic preservatives. Finally, several authors studied the effect of OLE addition with the aim of improving the nutritional properties of vegetable products, tea, milk, meat and biscuits. Advantages and drawbacks of the different use of OLE were reported and discussed. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Graziana Difonzo
- Department of Soil, Plant and Food Science (DISSPA), University of Bari Aldo Moro, Bari, Italy
| | - Giacomo Squeo
- Department of Soil, Plant and Food Science (DISSPA), University of Bari Aldo Moro, Bari, Italy
| | - Antonella Pasqualone
- Department of Soil, Plant and Food Science (DISSPA), University of Bari Aldo Moro, Bari, Italy
| | - Carmine Summo
- Department of Soil, Plant and Food Science (DISSPA), University of Bari Aldo Moro, Bari, Italy
| | - Vito M Paradiso
- Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
| | - Francesco Caponio
- Department of Soil, Plant and Food Science (DISSPA), University of Bari Aldo Moro, Bari, Italy
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15
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Šimat V, Čagalj M, Skroza D, Gardini F, Tabanelli G, Montanari C, Hassoun A, Ozogul F. Sustainable sources for antioxidant and antimicrobial compounds used in meat and seafood products. ADVANCES IN FOOD AND NUTRITION RESEARCH 2021; 97:55-118. [PMID: 34311904 DOI: 10.1016/bs.afnr.2021.03.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The contribution of food in promotion of health has become of most importance. The challenges that lie before the global food supply chain, such as climate changes, food contamination, and antimicrobial resistance may compromise food safety at international scale. Compounds with strong antimicrobial and antioxidant activity can be extracted from different natural and sustainable sources and may contribute to extend the shelf life of meat and seafood products, enhance food safety and enrich foods with additional biologically active and functional ingredients. This chapter describes the use of bioprotective cultures, essential oils, plant extracts, seaweed extracts and grape pomace compounds in production of value-added meat and seafood products with improved shelf life and safety, following the requests from the market and consumers.
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Affiliation(s)
- Vida Šimat
- University Department of Marine Studies, University of Split, Split, Croatia
| | - Martina Čagalj
- University Department of Marine Studies, University of Split, Split, Croatia
| | - Danijela Skroza
- Department of Food Technology and Biotechnology, Faculty of Chemistry and Technology, University of Split, Split, Croatia
| | - Fausto Gardini
- Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Giulia Tabanelli
- Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Chiara Montanari
- Department of Agricultural and Food Sciences, University of Bologna, Bologna, Italy
| | - Abdo Hassoun
- Nofima AS, Norwegian Institute of Food, Fisheries and Aquaculture Research, Tromsø, Norway
| | - Fatih Ozogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Turkey.
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16
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Combined Antimicrobial Effect of Bio-Waste Olive Leaf Extract and Remote Cold Atmospheric Plasma Effluent. Molecules 2021; 26:molecules26071890. [PMID: 33810520 PMCID: PMC8037246 DOI: 10.3390/molecules26071890] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/19/2021] [Accepted: 03/22/2021] [Indexed: 11/22/2022] Open
Abstract
A novel strategy involving Olive Leaf Extract (OLE) and Cold Atmospheric Plasma (CAP) was developed as a green antimicrobial treatment. Specifically, we reported a preliminary investigation on the combined use of OLE + CAP against three pathogens, chosen to represent medical and food industries (i.e., E. coli, S. aureus and L. innocua). The results indicated that a concentration of 100 mg/mL (total polyphenols) in OLE can exert an antimicrobial activity, but still insufficient for a total bacterial inactivation. By using plain OLE, we significantly reduced the growth of Gram positive S. aureus and L. innocua, but not Gram-negative E. coli. Instead, we demonstrated a remarkable decontamination effect of OLE + CAP in E. coli, S. aureus and L. innocua samples after 6 h. This effect was optimally maintained up to 24 h in S. aureus strain. E. coli and L. innocua grew again in 24 h. In the latter strain, OLE alone was most effective to significantly reduce bacterial growth. By further adjusting the parameters of OLE + CAP technology, e.g., OLE amount and CAP exposure, it could be possible to prolong the initial powerful decontamination over a longer time. Since OLE derives from a bio-waste and CAP is a non-thermal technology based on ionized air, we propose OLE + CAP as a potential green platform for bacterial decontamination. As a combination, OLE and CAP can lead to better antimicrobial activity than individually and may replace or complement conventional thermal procedures in food and biomedical industries.
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Vasile C, Baican M. Progresses in Food Packaging, Food Quality, and Safety-Controlled-Release Antioxidant and/or Antimicrobial Packaging. Molecules 2021; 26:1263. [PMID: 33652755 PMCID: PMC7956554 DOI: 10.3390/molecules26051263] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/10/2021] [Accepted: 02/17/2021] [Indexed: 02/07/2023] Open
Abstract
Food packaging is designed to protect foods, to provide required information about the food, and to make food handling convenient for distribution to consumers. Packaging has a crucial role in the process of food quality, safety, and shelf-life extension. Possible interactions between food and packaging are important in what is concerning food quality and safety. This review tries to offer a picture of the most important types of active packaging emphasizing the controlled/target release antimicrobial and/or antioxidant packaging including system design, different methods of polymer matrix modification, and processing. The testing methods for the appreciation of the performance of active food packaging, as well as mechanisms and kinetics implied in active compounds release, are summarized. During the last years, many fast advancements in packaging technology appeared, including intelligent or smart packaging (IOSP), (i.e., time-temperature indicators (TTIs), gas indicators, radiofrequency identification (RFID), and others). Legislation is also discussed.
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Affiliation(s)
- Cornelia Vasile
- “P. Poni” Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 70487 Iasi, Romania
| | - Mihaela Baican
- “Grigore T. Popa” Medicine and Pharmacy University, 16 University Street, 700115 Iaşi, Romania;
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18
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Martiny TR, Raghavan V, de Moraes CC, da Rosa GS, Dotto GL. Bio-Based Active Packaging: Carrageenan Film with Olive Leaf Extract for Lamb Meat Preservation. Foods 2020; 9:foods9121759. [PMID: 33261179 PMCID: PMC7761303 DOI: 10.3390/foods9121759] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/23/2020] [Accepted: 10/05/2020] [Indexed: 01/09/2023] Open
Abstract
Carrageenan-based active packaging film was prepared by adding olive leaf extract (OLE) as a bioactive agent to the lamb meat packaging. The OLE was characterized in terms of its phenolic compounds (T.ph), antioxidant activity (AA), oleuropein, and minimum inhibitory concentration (MIC) against Escherichia coli. The film’s formulation consisted of carrageenan, glycerol as a plasticizer, water as a solvent, and OLE. The effects of the OLE on the thickness, water vapor permeability (WVP), tensile strength (TS), elongation at break (EB), elastic modulus (EM), color, solubility, and antimicrobial capacity of the carrageenan film were determined. The OLE had the following excellent characteristics: the T.ph value was 115.96 mgGAE∙g−1 (d.b), the AA was 89.52%, the oleuropein value was 11.59 mg∙g−1, and the MIC was 50 mg∙mL−1. The results showed that the addition of OLE increased the thickness, EB, and WVP, and decreased the TS and EM of the film. The solubility was not significantly affected by the OLE. The color difference with the addition of OLE was 64.72%, which had the benefit of being a barrier to oxidative processes related to light. The film with the OLE was shown to have an antimicrobial capacity during the storage of lamb meat, reducing the count of psychrophiles five-fold when compared to the samples packed by the control and commercial films; therefore, this novel film has the potential to increase the shelf life of lamb meat, and as such, is suitable for use as active packaging.
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Affiliation(s)
- Thamiris Renata Martiny
- Engineering Graduate Program, Federal University of Pampa, 1650, Maria Anunciação Gomes de Godoy Avenue, Bagé, Rio Grande do Sul 96413-172, Brazil;
- Chemical Engineering Department, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul 97105-900, Brazil;
| | - Vijaya Raghavan
- Department of Bioresource Engineering, McGill University, 21111 Lakeshore Road, Ste-Anne-de-Bellevue, Montreal, QC H9X 3V9, Canada;
| | - Caroline Costa de Moraes
- Graduate Program in Materials Science and Engineering, Federal University of Pampa, 1650, Maria Anunciação Gomes de Godoy Avenue, Bagé, Rio Grande do Sul 96413-172, Brazil;
| | - Gabriela Silveira da Rosa
- Engineering Graduate Program, Federal University of Pampa, 1650, Maria Anunciação Gomes de Godoy Avenue, Bagé, Rio Grande do Sul 96413-172, Brazil;
- Graduate Program in Materials Science and Engineering, Federal University of Pampa, 1650, Maria Anunciação Gomes de Godoy Avenue, Bagé, Rio Grande do Sul 96413-172, Brazil;
- Correspondence: ; Tel.: +55-53-9996-722-26
| | - Guilherme Luiz Dotto
- Chemical Engineering Department, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul 97105-900, Brazil;
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Development of bioactive Bombacaceae gum films containing cinnamon leaf essential oil and their application in packaging of fresh salmon fillets. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109647] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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20
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Shahidi F, Hossain A. Preservation of aquatic food using edible films and coatings containing essential oils: a review. Crit Rev Food Sci Nutr 2020; 62:66-105. [DOI: 10.1080/10408398.2020.1812048] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Fereidoon Shahidi
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL, Canada
| | - Abul Hossain
- Department of Biochemistry, Memorial University of Newfoundland, St. John’s, NL, Canada
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21
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Martiny TR, Pacheco BS, Pereira CMP, Mansilla A, Astorga–España MS, Dotto GL, Moraes CC, Rosa GS. A novel biodegradable film based on κ-carrageenan activated with olive leaves extract. Food Sci Nutr 2020; 8:3147-3156. [PMID: 32724579 PMCID: PMC7382150 DOI: 10.1002/fsn3.1554] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 01/28/2020] [Accepted: 01/29/2020] [Indexed: 11/06/2022] Open
Abstract
This research focused on the development of carrageenan based biodegradable films incorporated with olive leaves extract (OLE). OLE microbial inhibition and its total phenolics (TP) were evaluated. Carrageenan films were produced by casting technique and were characterized by thickness, water vapor permeability (WVP), color, mechanical properties, and infrared spectroscopy. In order to apply as lamb meat packaging, the antimicrobial effect of the films was investigated. Results showed that OLE inhibited E. coli growth and presented excellent TP (41.40 mgGAE/g). Thicknesses of the film with OLE (CAR-OLE) were approximately 28% higher than film without OLE. Addition of OLE reduced the WVP by approximately 54%. CAR-OLE was less resistant to breakage and more flexible showing darker color. FTIR showed interaction of carrageenan with OLE. Results revealed that CAR-OLE promoted 167-fold reduction in initial count of aerobic mesophiles indicating shelf-life extension of lamb meat and promising use as antimicrobial food packaging.
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Affiliation(s)
- Thamiris R. Martiny
- Department Chemical EngineeringFederal University of PampaMalafaiaBrazil
- Department of Chemical EngineeringFederal University of Santa MariaSanta MariaBrazil
| | - Bruna S. Pacheco
- Laboratory of Lipidomic and Bio–OrganicFederal University of PelotasCentroBrazil
| | | | - Andrés Mansilla
- Laboratoy of Macroalgas Antárticas and SubantárticasUniversidad de MagallanesPunta ArenasChile
| | - Maria S. Astorga–España
- Department of Science and Natural ResourcesRegión de Magallanes y de la Antártica ChilenaUniversity of MagallanesPunta ArenasChile
| | - Guilherme L. Dotto
- Department of Chemical EngineeringFederal University of Santa MariaSanta MariaBrazil
| | | | - Gabriela S. Rosa
- Department Chemical EngineeringFederal University of PampaMalafaiaBrazil
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22
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Development of gel-based pads loaded with lysozyme and green tea extract: Characterization of pads and test of their antilisterial potential on cold-smoked salmon. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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23
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El Dessouky Abdel-Aziz M, Samir Darwish M, Mohamed AH, El-Khateeb AY, Hamed SE. Potential Activity of Aqueous Fig Leaves Extract, Olive Leaves Extract and Their Mixture as Natural Preservatives to Extend the Shelf Life of Pasteurized Buffalo Milk. Foods 2020; 9:foods9050615. [PMID: 32403280 PMCID: PMC7278658 DOI: 10.3390/foods9050615] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/08/2020] [Accepted: 05/08/2020] [Indexed: 12/30/2022] Open
Abstract
The aim of this study was to evaluate fig (Ficus carica L.) leaves’ extract (FLE), olive (Olea europaea L.) leaves’ extract (OLE), and their mixture (MLE), to extend the shelf life of pasteurized milk. OLE, FLE, and their mixture MLE (1:1) were added to the pasteurized milk in different concentrations (0.2%, 0.4%, and 0.6%). Several tests were then conducted to determine the activity of these extracts. The antioxidant activity as IC50 was determined by using DPPH radical assay. FLE showed higher IC50 (30.21 µg/mL) compared to the IC50 of OLE (22.43 µg/mL). Phenolic compounds were identified by using high-performance liquid chromatography (HPLC). The highest antimicrobial activity was obtained with 0.6% concentration. Organoleptic properties indicated that the addition of these extracts did not affect the sensory properties of pasteurized milk. Pasteurized milk treated with 0.6% of FLE, OLE, and MLE has significantly decreased (p ≤ 0.05) lipase and protease activity during the storage period, at 5 °C. The results indicated that extending the shelf life of pasteurized milk from 5 to 16 days was successfully achieved through using 0.6% of FLE, OLE, and MLE. The combination of the two extracts (MLE) provides an efficient and safe method to prolong the shelf life of pasteurized milk, without altering the properties of pasteurized buffalo milk.
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Affiliation(s)
| | - Mohamed Samir Darwish
- Dairy Department, Faculty of Agriculture, Mansoura University, Mansoura, Mansoura 35511, Egypt; (M.E.D.A.-A.); (M.S.D.)
| | - Azza H. Mohamed
- Agricultural Chemistry Department, Faculty of Agriculture, Mansoura University, Mansoura 35511, Egypt;
- University of Florida, IFAS, Citrus Research & Education Center, 700 Experiment Station Road, Lake Alfred, FL 33850, USA
- Correspondence: or ; Tel.: +1-863-521-4886
| | - Ayman Y. El-Khateeb
- Agricultural Chemistry Department, Faculty of Agriculture, Mansoura University, Mansoura 35511, Egypt;
| | - Sahar E. Hamed
- Chemistry Department, Faculty of Agriculture, Damietta University, Damietta 34517, Egypt;
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24
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Becerril R, Nerín C, Silva F. Encapsulation Systems for Antimicrobial Food Packaging Components: An Update. Molecules 2020; 25:E1134. [PMID: 32138320 PMCID: PMC7179124 DOI: 10.3390/molecules25051134] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 02/28/2020] [Accepted: 02/29/2020] [Indexed: 11/20/2022] Open
Abstract
Antimicrobially active packaging has emerged as an effective technology to reduce microbial growth in food products increasing both their shelf-life and microbial safety for the consumer while maintaining their quality and sensorial properties. In the last years, a great effort has been made to develop more efficient, long-lasting and eco-friendly antimicrobial materials by improving the performance of the incorporated antimicrobial substances. With this purpose, more effective antimicrobial compounds of natural origin such as bacteriocins, bacteriophages and essential oils have been preferred over synthetic ones and new encapsulation strategies such as emulsions, core-shell nanofibres, cyclodextrins and liposomes among others, have been applied in order to protect these antimicrobials from degradation or volatilization while trying to enable a more controlled release and sustained antimicrobial action. On that account, this article provides an overview of the types of antimicrobials agents used and the most recent trends on the strategies used to encapsulate the antimicrobial agents for their stable inclusion in the packaging materials. Moreover, a thorough discussion regarding the benefits of each encapsulation technology as well as their application in food products is presented.
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Affiliation(s)
- Raquel Becerril
- I3A–Aragón Institute of Engineering Research, University of Zaragoza, Calle María de Luna 3, 50018 Zaragoza, Spain; (R.B.); (C.N.)
| | - Cristina Nerín
- I3A–Aragón Institute of Engineering Research, University of Zaragoza, Calle María de Luna 3, 50018 Zaragoza, Spain; (R.B.); (C.N.)
| | - Filomena Silva
- ARAID–Agencia Aragonesa para la Investigación y el Desarollo, Av. de Ranillas 1-D, planta 2ª, oficina B, 50018 Zaragoza, Spain
- Faculty of Veterinary Medicine, University of Zaragoza, Calle de Miguel Servet 177, 50013 Zaragoza, Spain
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25
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Merlo TC, Contreras-Castillo CJ, Saldaña E, Barancelli GV, Dargelio MDB, Yoshida CMP, Ribeiro Junior EE, Massarioli A, Venturini AC. Incorporation of pink pepper residue extract into chitosan film combined with a modified atmosphere packaging: Effects on the shelf life of salmon fillets. Food Res Int 2019; 125:108633. [DOI: 10.1016/j.foodres.2019.108633] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 08/18/2019] [Accepted: 08/21/2019] [Indexed: 10/26/2022]
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26
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Supercritical impregnation of olive leaf extract to obtain bioactive films effective in cherry tomato preservation. Food Packag Shelf Life 2019. [DOI: 10.1016/j.fpsl.2019.100338] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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27
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Palmeri R, Parafati L, Trippa D, Siracusa L, Arena E, Restuccia C, Fallico B. Addition of Olive Leaf Extract (OLE) for Producing Fortified Fresh Pasteurized Milk with An Extended Shelf Life. Antioxidants (Basel) 2019; 8:antiox8080255. [PMID: 31366135 PMCID: PMC6720734 DOI: 10.3390/antiox8080255] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 07/22/2019] [Accepted: 07/22/2019] [Indexed: 12/11/2022] Open
Abstract
An olive leaf extract (OLE) has been tested in vitro for its antibacterial activity and ability to inhibit α-glucosidase enzyme. OLE was also evaluated for its potential, when added to pasteurized milk, to preserve nutritional parameters and to limit microbial growth, thus prolonging shelf life. In vitro assays demonstrated a strong antibacterial efficacy of OLE mainly against Bacillus cereus and the capacity to inhibit α-glucosidase enzyme (IC50) when used at 0.2 mg oleuropein/mL. The milk fortification with OLE at 3.6 mg of oleuropein/mL of milk reduced total mesophilic bacteria at undetectable level after 6 d (expiration date) and by 1 log CFU/mL after 10 d. Moreover, OLE addition at 1.44 and 3.6 mg of oleuropein/mL of milk significantly reduced fat and lactose losses up to 10 d. The results motivate the use of the OLE to make a new functional milk with an extended shelf life.
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Affiliation(s)
- Rosa Palmeri
- Di3A, Dipartimento di Agricoltura, Alimentazione e Ambiente, University of Catania, via S. Sofia 100, 95123 Catania, Italy
| | - Lucia Parafati
- Di3A, Dipartimento di Agricoltura, Alimentazione e Ambiente, University of Catania, via S. Sofia 100, 95123 Catania, Italy
| | - Daniela Trippa
- Di3A, Dipartimento di Agricoltura, Alimentazione e Ambiente, University of Catania, via S. Sofia 100, 95123 Catania, Italy
| | - Laura Siracusa
- CNR-ICB, Consiglio Nazionale delle Ricerche-Istituto di Chimica Biomolecolare, via Paolo Gaifami 18, 95126 Catania, Italy
| | - Elena Arena
- Di3A, Dipartimento di Agricoltura, Alimentazione e Ambiente, University of Catania, via S. Sofia 100, 95123 Catania, Italy
| | - Cristina Restuccia
- Di3A, Dipartimento di Agricoltura, Alimentazione e Ambiente, University of Catania, via S. Sofia 100, 95123 Catania, Italy.
| | - Biagio Fallico
- Di3A, Dipartimento di Agricoltura, Alimentazione e Ambiente, University of Catania, via S. Sofia 100, 95123 Catania, Italy
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28
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Medina E, Romero C, García P, Brenes M. Characterization of bioactive compounds in commercial olive leaf extracts, and olive leaves and their infusions. Food Funct 2019; 10:4716-4724. [PMID: 31304950 DOI: 10.1039/c9fo00698b] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A large spectrum of beneficial health properties has been attributed to olive leaves. This study was undertaken to characterize the bioactive compounds of commercial olive leaf extracts and olive leaves and their infusions. High variability of bioactive compounds was found among commercial samples. Polyphenol was detected in a range of 44-108 g kg-1 and 7.5-250 g kg-1 for olive leaves and olive leaf extracts, respectively. The main phenol was oleuropein, representing 74-94% of total phenols. However, only 17-26% of polyphenols were diffused to the aqueous phases when olive leaf infusions were prepared. Triterpenic acids were found in a range of 26-37 g kg-1 in olive leaves, but not detected in the infusions. Hence, the absence of the latter substances and the low oleuropein diffusion in olive leaf infusions make new studies necessary to maximize the presence of these bioactive compounds in the final product.
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Affiliation(s)
- Eduardo Medina
- Food Biotechnology Department. Instituto de la Grasa (IG-CSIC), Ctra. Utrera km 1, Building 46, 41013, Seville, Spain.
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29
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Olive Leaves Extract from Algerian Oleaster ( Olea europaea var. sylvestris) on Microbiological Safety and Shelf-life Stability of Raw Halal Minced Beef during Display. Foods 2018; 8:foods8010010. [PMID: 30587798 PMCID: PMC6352275 DOI: 10.3390/foods8010010] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 12/18/2018] [Accepted: 12/21/2018] [Indexed: 11/17/2022] Open
Abstract
Oleaster (wild olive tree) by-products represent a renewable and low-cost source of biopolyphenols. Leaf extracts (sylv.OLE) of Algerian oleaster, locally called a'hachad (Olea europaea subsp. europaea var. sylvestris), were applied at 1 and 5% (v/w) to raw Halal minced beef (HMB) in order to test its safety and shelf-life prolongation during retail/display. The total phenolic compound content in the extract was 198.7 ± 3.6 mg gallic acid equivalent. Ten compounds were identified in the sylv.OLE by High Performance Liquid Chromatography/Diode Array Detector (HPLC/DAD), of which oleuropein was the most abundant (43.25%). Samples treated with 5% sylv.OLE had significantly higher antimicrobial and antioxidant effects than those treated with 1% extract (p < 0.05). The addition of sylv.OLE reduced psychrotrophic counts as well as the level of pathogens (Salmonella enterica ser. Enteritidis and Shiga toxin-producing Escherichia coli O157:H7). A thiobarbituric acid reactive substance (TBARS) value of 2.42 ± 0.11 was reached throughout six days of retail/display in control samples, while the addition of 5% sylv.OLE reduced TBARS value by 58% (p < 0.05). The presence of sylv.OLE at the tested concentrations did not negatively influence the overall acceptability and bitterness of HMB.
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30
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Establishing the Phenolic Composition of Olea europaea L. Leaves from Cultivars Grown in Morocco as a Crucial Step Towards Their Subsequent Exploitation. Molecules 2018; 23:molecules23102524. [PMID: 30279368 PMCID: PMC6222472 DOI: 10.3390/molecules23102524] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 09/25/2018] [Accepted: 09/27/2018] [Indexed: 11/29/2022] Open
Abstract
In Morocco, the recovery of olive agro-industrial by-products as potential sources of high-added value substances has been underestimated so far. A comprehensive quantitative characterization of olive leaves’ bioactive compounds is crucial for any attempt to change this situation and to implement the valorization concept in emerging countries. Thus, the phenolic fraction of olive leaves of 11 varieties (‘Arbequina’, ‘Hojiblanca’, ‘Frantoio’, ‘Koroneiki’, ‘Lechín’, ‘Lucque’, ‘Manzanilla’, ‘Picholine de Languedoc’, ‘Picholine Marocaine’, ‘Picual’ and ‘Verdal’), cultivated in the Moroccan Meknès region, was investigated. Thirty eight phenolic or related compounds (including 16 secoiridoids, nine flavonoids in their aglycone form, seven flavonoids in glycosylated form, four simple phenols, one phenolic acid and one lignan) were determined in a total of 55 samples by using ultrasonic-assisted extraction and liquid chromatography coupled to electrospray ionization-ion trap mass spectrometry (LC-ESI-IT MS). Very remarkable quantitative differences were observed among the profiles of the studied cultivars. ‘Picholine Marocaine’ variety exhibited the highest total phenolic content (around 44 g/kg dry weight (DW)), and logically showed the highest concentration in terms of various individual compounds. In addition, chemometrics (principal components analysis (PCA) and stepwise-linear discriminant analysis (s-LDA)) were applied to the quantitative phenolic compound data, allowing good discrimination of the selected samples according to their varietal origin.
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Chen X, Chen M, Xu C, Yam KL. Critical review of controlled release packaging to improve food safety and quality. Crit Rev Food Sci Nutr 2018; 59:2386-2399. [PMID: 29553807 DOI: 10.1080/10408398.2018.1453778] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Controlled release packaging (CRP) is an innovative technology that uses the package to release active compounds in a controlled manner to improve safety and quality for a wide range of food products during storage. This paper provides a critical review of the uniqueness, design considerations, and research gaps of CRP, with a focus on the kinetics and mechanism of active compounds releasing from the package. Literature data and practical examples are presented to illustrate how CRP controls what active compounds to release, when and how to release, how much and how fast to release, in order to improve food safety and quality.
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Affiliation(s)
- Xi Chen
- a Department of Food Science, Rutgers, the State University of New Jersey , New Brunswick , NJ , USA
| | - Mo Chen
- b College of Engineering, QuFu Normal University , Rizhao , Shangdong , China
| | - Chenyi Xu
- a Department of Food Science, Rutgers, the State University of New Jersey , New Brunswick , NJ , USA
| | - Kit L Yam
- a Department of Food Science, Rutgers, the State University of New Jersey , New Brunswick , NJ , USA
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