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Liang N, Mohamed H, Pung RF, Waite-Cusic J, Dallas DC. Optimized Ultraviolet-C Processing Inactivates Pathogenic and Spoilage-Associated Bacteria while Preserving Bioactive Proteins, Vitamins, and Lipids in Human Milk. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:12198-12208. [PMID: 38752986 DOI: 10.1021/acs.jafc.4c02120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Holder pasteurization (HoP) enhances donor human milk microbiological safety but damages many bioactive milk proteins. Though ultraviolet-C irradiation (UV-C) can enhance safety while better preserving some milk proteins, it has not been optimized for dose or effect on a larger array of bioactive proteins. We determined the minimal UV-C parameters that provide >5-log reductions of relevant bacteria in human milk and how these treatments affect an array of bioactive proteins, vitamin E, and lipid oxidation. Treatment at 6000 and 12 000 J/L of UV-C resulted in >5-log reductions of all vegetative bacteria and bacterial spores, respectively. Both dosages improved retention of immunoglobulin A (IgA), IgG, IgM, lactoferrin, cathepsin D, and elastase and activities of bile-salt-stimulated lipase and lysozyme compared with HoP. These UV-C doses caused minor reductions in α-tocopherol but not γ-tocopherol and no increases in lipid oxidation products. UV-C treatment is a promising approach for donor human milk processing.
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Affiliation(s)
- Ningjian Liang
- Nutrition Program, College of Health, Oregon State University, Corvallis, Oregon 97331, United States
| | - Hussein Mohamed
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon 97331, United States
| | - Rachel F Pung
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon 97331, United States
| | - Joy Waite-Cusic
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon 97331, United States
| | - David C Dallas
- Nutrition Program, College of Health, Oregon State University, Corvallis, Oregon 97331, United States
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon 97331, United States
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Chemat A, Song M, Li Y, Fabiano-Tixier AS. Shade of Innovative Food Processing Techniques: Potential Inducing Factors of Lipid Oxidation. Molecules 2023; 28:8138. [PMID: 38138626 PMCID: PMC10745320 DOI: 10.3390/molecules28248138] [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: 11/14/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023] Open
Abstract
With increasing environmental awareness and consumer demand for high-quality food products, industries are strongly required for technical innovations. The use of various emerging techniques in food processing indeed brings many economic and environmental benefits compared to conventional processes. However, lipid oxidation induced by some "innovative" processes is often "an inconvenient truth", which is scarcely mentioned in most studies but should not be ignored for the further improvement and optimization of existing processes. Lipid oxidation poses a risk to consumer health, as a result of the possible ingestion of secondary oxidation products. From this point of view, this review summarizes the advance of lipid oxidation mechanism studies and mainly discloses the shade of innovative food processing concerning lipid degradation. Sections involving a revisit of classic three-stage chain reaction, the advances of polar paradox and cut-off theories, and potential lipid oxidation factors from emerging techniques are described, which might help in developing more robust guidelines to ensure a good practice of these innovative food processing techniques in future.
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Affiliation(s)
- Aziadé Chemat
- Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China
- GREEN Extraction Team, Université d’Avignon et des Pays de Vaucluse, INRA, UMR408, F-84000 Avignon, France
| | - Mengna Song
- Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China
| | - Ying Li
- Department of Food Science and Engineering, Jinan University, Guangzhou 510632, China
| | - Anne-Sylvie Fabiano-Tixier
- GREEN Extraction Team, Université d’Avignon et des Pays de Vaucluse, INRA, UMR408, F-84000 Avignon, France
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3
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Spiteri D, Griffin S, Karatzas KA, Scerri C, Valdramidis VP. Escherichia coli K-12 Transcriptomics for Assessing the Mechanism of Action of High-Power Ultrasound. Microorganisms 2023; 11:2768. [PMID: 38004779 PMCID: PMC10673019 DOI: 10.3390/microorganisms11112768] [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: 08/04/2023] [Revised: 10/22/2023] [Accepted: 10/27/2023] [Indexed: 11/26/2023] Open
Abstract
An investigation into the mechanisms of action on bacteria involving exposure to stress factors was conducted in this study. The effects of ultrasound on Escherichia coli K-12 MG1655 and its isogenic mutant, ∆gadW, under high power ultrasound treatments (26 kHz) were screened and identified by analysing their transcriptome differences between primary and secondary sequential treatments using RNA-Seq. This also helped to assess any developed protection for cells between different generations. According to our results, 1825 genes of all tested conditions were expressed, playing different roles in the cell. The expression of these genes is associated with DNA damage, cell membrane integrity, and also metabolic effects. The studied strains also showed different differential expressed genes (DEGs), with some genes being directly responsible for defence mechanisms, while others play an indirect effect due to cell damage. A gradual decrease in the expression of the genes, as we moved from just one cycle of ultrasound treatment to sequential treatment, was evident from a heat map analysis of the results. Overall, E. coli K-12 builds a self-protection mechanism by increasing the expression of genes involved in the respiration for increased growth, and production of flagellum and pili. It can be concluded that high power ultrasound is a technology that triggers several different defence mechanisms which directly link to E. coli.
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Affiliation(s)
- David Spiteri
- Department of Food Science and Nutrition, University of Malta, MSD 2080 Msida, Malta; (D.S.); (S.G.)
- Centre for Molecular Medicine and Biobanking, University of Malta, MSD 2080 Msida, Malta;
| | - Sholeem Griffin
- Department of Food Science and Nutrition, University of Malta, MSD 2080 Msida, Malta; (D.S.); (S.G.)
- Centre for Molecular Medicine and Biobanking, University of Malta, MSD 2080 Msida, Malta;
| | | | - Christian Scerri
- Centre for Molecular Medicine and Biobanking, University of Malta, MSD 2080 Msida, Malta;
- Department of Physiology and Biochemistry, University of Malta, MSD 2080 Msida, Malta
| | - Vasilis P. Valdramidis
- Department of Food Science and Nutrition, University of Malta, MSD 2080 Msida, Malta; (D.S.); (S.G.)
- Department of Chemistry, National and Kapodistrian University of Athens, 34400 Psachna, Greece
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Kumar Y, Marangon M, Mayr Marangon C. The Application of Non-Thermal Technologies for Wine Processing, Preservation, and Quality Enhancement. BEVERAGES 2023. [DOI: 10.3390/beverages9020030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
Recently, non-thermal wine processing technologies have been proposed as alternatives to conventional winemaking processes, mostly with the aims to improve wine quality, safety, and shelf-life. Winemakers typically rely on sulfites (SO2) to prevent wine oxidation and microbial spoilage, as these processes can negatively affect wine quality and aging potential. However, SO2 can trigger allergic reactions, asthma, and headaches in sensitive consumers, so limitations on their use are needed. In red winemaking, prolonged maceration on skins is required to extract enough phenolic compounds from the wine, which is time-consuming. Consequently, the wine industry is looking for new ways to lower SO2 levels, shorten maceration times, and extend shelf life while retaining wine quality. This review aggregates the information about the novel processing techniques proposed for winemaking, such as high-pressure processing, pulsed electric field, ultrasound, microwave, and irradiation. In general, non-thermal processing techniques have been shown to lead to improvements in wine color characteristics (phenolic and anthocyanin content), wine stability, and wine sensory properties while reducing the need for SO2 additions, shortening the maceration time, and lowering the microbial load, thereby improving the overall quality, safety, and shelf life of the wines.
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Affiliation(s)
- Yogesh Kumar
- Department of Agronomy, Food, Natural Resources, Animals, and Environment (DAFNAE), University of Padova, Viale dell’Università, 16, 35020 Legnaro, Italy
| | - Matteo Marangon
- Department of Agronomy, Food, Natural Resources, Animals, and Environment (DAFNAE), University of Padova, Viale dell’Università, 16, 35020 Legnaro, Italy
- Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Via XXVIII Aprile, 14, 31015 Conegliano, Italy
| | - Christine Mayr Marangon
- Department of Agronomy, Food, Natural Resources, Animals, and Environment (DAFNAE), University of Padova, Viale dell’Università, 16, 35020 Legnaro, Italy
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Guzmán-Altamirano MÁ, Rebollo-Plata B, Joaquín-Ramos ADJ, Gómez-Espinoza MG. Green synthesis and antimicrobial mechanism of nanoparticles: applications in agricultural and agrifood safety. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:2727-2744. [PMID: 35941521 DOI: 10.1002/jsfa.12162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 06/29/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
The growing demand for food and its safety are a challenge for agriculture and agrifood. This has led to the incorporation of alternatives such as organic agriculture, the use of biocontrollers, the development of transgenic plants resistant to pathogens and the incorporation of nanotechnology. In this sense, agrochemicals based on nanoparticles (NPs) have been developed. Recently, the green synthesis of NPs has grown rapidly and, for this reason, molecules, microorganisms, fungi and plants are used. Synthesis from plant extracts offers a broad spectrum and, despite the fact that NPs are usually dispersed in size and shape, extensive antimicrobial effectiveness has been demonstrated at nanomolar concentrations. It has been shown that the mechanism of action can be through the dissipation of the driving force of the protons, the alteration of cellular permeability, the formation of bonds with the thiol group of the proteins, the generation of reactive species of oxygen, and the hyperoxidation of DNA, RNA and even the cell membrane. To improve the efficiency of NPs, modifications have been made such as coating with other metals, the addition of antibiotics, detergents and surfactants, as well as the acidification of the solution. Consequently, NPs are considered as a promising method for achieving safety in the agricultural and agrifood area. However, it is necessary to investigate the side effects of NPs, when applied in agroecological systems, on the textural, nutriment and sensory properties of food, as well as the impact on human health. © 2022 Society of Chemical Industry.
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Affiliation(s)
| | - Bernabe Rebollo-Plata
- Departamento de Ing. Electrónica, Instituto Tecnológico superior de Irapuato, Guanajuato, México
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Ozone and cold plasma: Emerging oxidation technologies for inactivation of enzymes in fruits, vegetables, and fruit juices. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Ribeiro AM, Paiva AD, Cruz AM, Vanetti MC, Ferreira SO, Mantovani HC. Bovicin HC5 and nisin reduce cell viability and the thermal resistance of Alicyclobacillus acidoterrestris endospores in fruit juices. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:3994-4002. [PMID: 34997599 DOI: 10.1002/jsfa.11747] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 12/20/2021] [Accepted: 01/08/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Alicyclobacillus acidoterrestris is an important thermoacidophilic spore-forming bacterium in fruit-juice deterioration, and alternative non-thermal methods have been investigated to control fruit juice spoilage. This work aimed to evaluate the capacity of bovicin HC5 and nisin to inhibit the growth of vegetative cells and reduce the thermal resistance of endospores of A. acidoterrestris inoculated (107 CFU mL-1 ) in different fruit juices. The number of viable cells was determined after 12 h incubation at 43 °C in the presence and absence of nisin or bovicin HC5 (10-100 AU mL-1 ). The exposure time (min) required to kill 90% of the initial population (reduction of one log factor) at 90 ºC (D90ºC ) was used to assess the thermal resistance of A. acidoterrestris endospores exposed (80 AU mL-1 ) or non-exposed to the bacteriocins. Additionally, the effect of bovicin and nisin on the morphology and cell structure of A. acidoterrestris was evaluated by atomic force microscopy (AFM). RESULTS Bovicin HC5 and nisin were bactericidal against A. acidoterrestris inoculated in fruit juices and reduced the D90°C values up to 30-fold. AFM topographical images revealed substantial structural changes in the cellular framework of vegetative cells upon treatment with bovicin HC5 or nisin. CONCLUSIONS These results emphasize the potential application of lantibiotics as additional hurdles in food processing to control thermoacidophilic spoilage bacteria in fruit juices. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Aryádina M Ribeiro
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Aline D Paiva
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Alexandra Mo Cruz
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | - Maria Cd Vanetti
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
| | | | - Hilário C Mantovani
- Departamento de Microbiologia, Universidade Federal de Viçosa, Viçosa, Brazil
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Alkan PE, Güneş ME, Sabanci AÜ. Can Nanobubble Ozone Liposomes Be A New Agent In The Fight Against Foodborne Infections? RECENT PATENTS ON NANOTECHNOLOGY 2022; 18:NANOTEC-EPUB-124389. [PMID: 35702805 DOI: 10.2174/1872210516666220613100303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 03/28/2022] [Accepted: 04/07/2022] [Indexed: 06/15/2023]
Abstract
Backrounds: In our study, a nanoparticle liposome molecule with patent application number TR2021004032 was used, and the Minimum Inhibitor Concentration (MIC) was found to be 1562 ppm. According to the ASTM F 1980 standard, it has been determined that the nanoparticle liposome solution kept at 37 days and 55 oC in return for one-year stability preserves its effectiveness. Our study aimed to show that the newly developed solution maintains its effectiveness for a long time. METHODS In this study, a nanobubble ozone liposome solution containing 2% ZnCl2 was used. The aging tests were conducted according to the ASTM F 1980 [1] standards. The minimum inhibitory concentration (MIC) level of the nanobubble ozone liposome solution with 2% ZnCl2 was determined as 1.562 ppm for strains of Staphylococcus aureus (ATCC 25923) and Escherichia coli (ATCC 25922) by the CLSI M07 A9 [2] standard test method. To assess the time-dependent antibacterial effect of the nanobubble liposome solution with 2% ZnCl2, the solution's efficiency at a concentration of 2000 ppm and for different time intervals was tested on strains of Salmonella enterica subsp. enterica (ATCC® 14028™) and Listeria monocytogenes (ATCC® 7644™). RESULTS The results showed that the antibacterial activity of the strains of S. enterica subsp. enterica started at the end of the 10th minute and the solution was effective after 30 minutes. For strains of L. monocytogenes, it was observed that the activity started at the end of the 2nd minute and the product was effective after the 10th minute. According to the ASTM F 1980 standards, it was found that the nanobubble ozone liposome solution retained its effectiveness in one-year stability tests. CONCLUSION As a result, the nanoparticle liposome solution, a new product, does not lose its stability and effectiveness for a long time, contrary to what is known. Although the half-life of gaseous ozone is as short as 20 minutes, the stability in the nanoparticle liposome solution has been determined as at least one year. Since nanoparticle liposome solution is a natural and slow-release product, nanobubble ozone liposome solution with 2% ZnCl2 may be used as a newly developed agent against contaminations in food processing facilities caused by biofilm-forming microorganisms through the use in disinfections of surfaces that are in direct contact with food products.
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Affiliation(s)
- P E Alkan
- Bursa Uludağ University, Vocational School of Health Services Med. Lab. Tec. Department
| | - M E Güneş
- Bursa Uludağ University, of Vocational School of Technical Science, Deparment of Food Processing
| | - A Ü Sabanci
- Bursa Çekirge Hospital, Department of Orthopedics
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Otoo EA, Ocloo FC, Appiah V. Effect of gamma irradiation on shelf life of smoked guinea fowl (Numida meleagris) meat stored at refrigeration temperature. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2022.110041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Sourri P, Tassou CC, Nychas GJE, Panagou EZ. Fruit Juice Spoilage by Alicyclobacillus: Detection and Control Methods—A Comprehensive Review. Foods 2022; 11:foods11050747. [PMID: 35267380 PMCID: PMC8909780 DOI: 10.3390/foods11050747] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 02/22/2022] [Accepted: 03/02/2022] [Indexed: 12/03/2022] Open
Abstract
Fruit juices have an important place in humans’ healthy diet. They are considered to be shelf stable products due to their low pH that prevents the growth of most bacteria. However thermo-acidophilic endospore forming bacteria of the genus Alicyclobacillus have the potential to cause spoilage of commercially pasteurized fruit juices. The flat sour type spoilage, with absence of gas production but presence of chemical spoilage compounds (mostly guaiacol) and the ability of Alicyclobacillus spores to survive after pasteurization and germinate under favorable conditions make them a major concern for the fruit juice industry worldwide. Their special characteristics and presence in the fruit juice industry has resulted in the development of many isolation and identification methods based on cell detection (plating methods, ELISA, flow cytometry), nucleic acid analysis (PCR, RAPD-PCR, ERIC-PCR, DGGE-PCR, RT-PCR, RFLP-PCR, IMS-PCR, qPCR, and 16S rRNA sequencing) and measurement of their metabolites (HPLC, GC, GC-MS, GC-O, GC-SPME, Electronic nose, and FTIR). Early detection is a big challenge that can reduce economic loss in the industry while the development of control methods targeting the inactivation of Alicyclobacillus is of paramount importance as well. This review includes a discussion of the various chemical (oxidants, natural compounds of microbial, animal and plant origin), physical (thermal pasteurization), and non-thermal (High Hydrostatic Pressure, High Pressure Homogenization, ultrasound, microwaves, UV-C light, irradiation, ohmic heating and Pulse Electric Field) treatments to control Alicyclobacillus growth in order to ensure the quality and the extended shelf life of fruit juices.
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Affiliation(s)
- Patra Sourri
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization DIMITRA, Sofokli Venizelou 1, 14123 Lycovrissi, Greece;
| | - Chrysoula C. Tassou
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization DIMITRA, Sofokli Venizelou 1, 14123 Lycovrissi, Greece;
- Correspondence: (C.C.T.); (E.Z.P.)
| | - George-John E. Nychas
- Laboratory of Microbiology and Biotechnology of Foods, Department of Food Science and Human Nutrition, School of Food and Nutritional Sciences, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece;
| | - Efstathios Z. Panagou
- Laboratory of Microbiology and Biotechnology of Foods, Department of Food Science and Human Nutrition, School of Food and Nutritional Sciences, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece;
- Correspondence: (C.C.T.); (E.Z.P.)
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Tahamolkonan M, Ghahsareh AM, Ashtari MK, Honarjoo N. Tomato (Solanum lycopersicum) growth and fruit quality affected by organic fertilization and ozonated water. PROTOPLASMA 2022; 259:291-299. [PMID: 33987770 DOI: 10.1007/s00709-021-01657-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 04/23/2021] [Indexed: 06/12/2023]
Abstract
The use of modern and safe techniques to increase plant growth and yield is of significance. There is little data, to our knowledge, on the use of organic fertilization and ozonated water (ozone (O3) affecting tomato (Solanum lycopersicum) growth and quality. Different tomato growth and fruit quality parameters including yield, fruit number, leaf fresh and dry weight, leaf and inflorescence number, plant height and stem diameter, distance from the first inflorescence to the collar, total soluble solids, total acidity, chlorophyll a, chlorophyll b, and total were determined. O3 treatment resulted in significant affects in all tomato parameters. One of the interesting results of the present research is the increased concentration of the antioxidant ascorbic acid (vitamin C) in response to ozonation, which can also improve tomato quality. However, organic fertilization and its interaction with the O3 treatment significantly affected only some of the measured tomato parameters. Ozonated water, at proper concentrations, may improve tomato growth and fruit quality, and if combined with organic fertilization, its positive effects may increase.
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Affiliation(s)
- Maryam Tahamolkonan
- Department of Soil Science, College of Agriculture, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
| | - Ahmad Mohammadi Ghahsareh
- Department of Soil Science, College of Agriculture, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran.
| | - Mahmoud Kalbasi Ashtari
- Department of Soil Science, College of Agriculture, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
| | - Naser Honarjoo
- Department of Soil Science, College of Agriculture, Islamic Azad University, Isfahan (Khorasgan) Branch, Isfahan, Iran
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CAO S, MENG L, MA C, BA L, LEI J, JI N, WANG R. Effect of ozone treatment on physicochemical parameters and ethylene biosynthesis inhibition in Guichang Kiwifruit. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.64820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Sen CAO
- School of Food and Pharmaceutical Engineering, China; Guizhou Engineering Research Center for Fruit Processing, China
| | - Lingshuai MENG
- School of Food and Pharmaceutical Engineering, China; Guizhou Engineering Research Center for Fruit Processing, China
| | - Chao MA
- Guizhou Engineering Research Center for Fruit Processing, China
| | - Liangjie BA
- School of Food and Pharmaceutical Engineering, China; Guizhou Engineering Research Center for Fruit Processing, China
| | - Jiqing LEI
- School of Food and Pharmaceutical Engineering, China; Guizhou Engineering Research Center for Fruit Processing, China
| | - Ning JI
- School of Food and Pharmaceutical Engineering, China; Guizhou Engineering Research Center for Fruit Processing, China
| | - Rui WANG
- School of Food and Pharmaceutical Engineering, China; Guizhou Engineering Research Center for Fruit Processing, China
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Postawa K, Klimek K, Kapłan M, Wrzesińska‐Jędrusiak E, Kułażyński M. Application of ozonation as a clean method of herbs freshness prolongation: Experiment and model construction. J FOOD PROCESS ENG 2021. [DOI: 10.1111/jfpe.13913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Karol Postawa
- Faculty of Chemistry Wrocław University of Science and Technology Wrocław Poland
| | - Kamila Klimek
- Department of Applied Mathematics and Informatics University of Life Sciences in Lublin Lublin Poland
| | - Magdalena Kapłan
- Institute of Horticulture Production, University of Life Sciences in Lublin Lublin Poland
| | | | - Marek Kułażyński
- Faculty of Chemistry Wrocław University of Science and Technology Wrocław Poland
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Preharvest Management and Postharvest Intervention Strategies to Reduce Escherichia coli Contamination in Goat Meat: A Review. Animals (Basel) 2021; 11:ani11102943. [PMID: 34679964 PMCID: PMC8532625 DOI: 10.3390/ani11102943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 10/08/2021] [Accepted: 10/09/2021] [Indexed: 11/28/2022] Open
Abstract
Simple Summary Goat farms and processing facilities worldwide are primarily small-scale, limited resource operations. Cost-effectiveness and practicality are critical factors to be considered before adopting any pre- and/or post-harvest strategies for pathogen reduction in goat meat. Preharvest management methods in goats that can reduce Escherichia coli in meat include minimizing animal stress, selecting diets and feed deprivation times that can reduce fecal shedding of bacteria, and adding tannin-rich feed supplements. In addition, use of appropriate postharvest nonthermal intervention technologies that can reduce microbial loads in carcasses and meat can extend the shelf-life and marketability of goat meat products. Reducing stress prior to slaughter and using nonthermal intervention methods can result in better meat quality and economic returns for producers. Abstract Goat meat is the main source of animal protein in developing countries, particularly in Asia and Africa. Goat meat consumption has also increased in the US in the recent years due to the growing ethnic population. The digestive tract of goat is a natural habitat for Escherichia coli organisms. While researchers have long focused on postharvest intervention strategies to control E. coli outbreaks, recent works have also included preharvest methodologies. In goats, these include minimizing animal stress, manipulating diet a few weeks prior to processing, feeding diets high in tannins, controlling feed deprivation times while preparing for processing, and spray washing goats prior to slaughter. Postharvest intervention methods studied in small ruminant meats have included spray washing using water, organic acids, ozonated water, and electrolyzed water, and the use of ultraviolet (UV) light, pulsed UV-light, sonication, low-voltage electricity, organic oils, and hurdle technologies. These intervention methods show a strong antimicrobial activity and are considered environmentally friendly. However, cost-effectiveness, ease of application, and possible negative effects on meat quality characteristics must be carefully considered before adopting any intervention strategy for a given meat processing operation. As discussed in this review paper, novel pre- and post-harvest intervention methods show significant potential for future applications in goat farms and processing plants.
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Bayarri B, Cruz-Alcalde A, López-Vinent N, Micó MM, Sans C. Can ozone inactivate SARS-CoV-2? A review of mechanisms and performance on viruses. JOURNAL OF HAZARDOUS MATERIALS 2021; 415:125658. [PMID: 33752085 PMCID: PMC7955572 DOI: 10.1016/j.jhazmat.2021.125658] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/09/2021] [Accepted: 03/11/2021] [Indexed: 05/11/2023]
Abstract
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) pandemic has challenged societies around the globe. Technologies based on ozone, a powerful oxidant, have been evaluated to inactivate this virus in aerosols and fomites. However, the high data diversity hinders the possibility of establishing a common ground for determining best practices for the use of these technologies. Furthermore, there is a lack of consensus regarding which are the main mechanisms of ozone virus inactivation. This critical review examined the most relevant information available regarding ozone application in gas-phase for different viruses inactivation (including recent publications dealing with SARS-CoV-2), and pointed towards envelope alteration as the main reaction pathway for enveloped viruses, such as is the case of SARS-CoV-2. It could also be concluded that gaseous ozone can be indeed an effective disinfectant, successfully inactivating viruses such us influenza A H1N1, MERS-CoV, SARS-CoV-1 or even SARS-CoV-2 in aerosols or fomites. In reviewed works, low ozone exposures, just around 0.1-0.4 mg L-1 min, achieve about 4 log10 of inactivation in aerosols, while exposures between 1 and 4 mg L-1 min may be needed to guarantee an inactivation of 3-4 log10 in different fomites. Although further studies are required, ozone is an effective candidate to be used against SARS-CoV-2 or other viruses in surfaces and indoor locations.
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Affiliation(s)
- Bernardí Bayarri
- Department of Chemical Engineering and Analytical Chemistry, Faculty of Chemistry, Universitat de Barcelona, C/Martí i Franqués 1, 08028 Barcelona, Spain.
| | - Alberto Cruz-Alcalde
- Department of Chemical Engineering and Analytical Chemistry, Faculty of Chemistry, Universitat de Barcelona, C/Martí i Franqués 1, 08028 Barcelona, Spain
| | - Núria López-Vinent
- Department of Chemical Engineering and Analytical Chemistry, Faculty of Chemistry, Universitat de Barcelona, C/Martí i Franqués 1, 08028 Barcelona, Spain
| | - María M Micó
- Department of Chemical Engineering and Analytical Chemistry, Faculty of Chemistry, Universitat de Barcelona, C/Martí i Franqués 1, 08028 Barcelona, Spain
| | - Carme Sans
- Department of Chemical Engineering and Analytical Chemistry, Faculty of Chemistry, Universitat de Barcelona, C/Martí i Franqués 1, 08028 Barcelona, Spain
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16
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Fan X. Gaseous ozone to preserve quality and enhance microbial safety of fresh produce: Recent developments and research needs. Compr Rev Food Sci Food Saf 2021; 20:4993-5014. [PMID: 34323365 DOI: 10.1111/1541-4337.12796] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 12/24/2022]
Abstract
Fresh fruits and vegetables are highly perishable and are subject to large postharvest losses due to physiological (senescence), pathologic (decay), and physical (mechanical damage) factors. In addition, contamination of fresh produce with foodborne human pathogens has become a concern. Gaseous ozone has multiple benefits including destruction of ethylene, inactivation of foodborne and spoilage microorganisms, and degradation of chemical residues. This article reviews the beneficial effects of gaseous ozone, its influence on quality and biochemical changes, foodborne human pathogens, and spoilage microorganisms, and discusses research needs with an emphasis on fruits. Ozone may induce synthesis of a number of antioxidants and bioactive compounds by activating secondary metabolisms involving a wide range of enzymes. Disparities exist in the literature regarding the impact of gaseous ozone on quality and physiological processes of fresh produce, such as weight loss, ascorbic acid, and fruit ripening. The disparities are complicated by incomplete reporting of the necessary information, such as relative humidity and temperatures at which ozone measurement and treatment were performed, which is needed for accurate comparison of results among studies. In order to fully realize the benefits of gaseous ozone, research is needed to evaluate the molecular mechanisms of gaseous ozone in inhibiting ripening, influence of relative humidity on the antimicrobial efficacy, interaction between ozone and the cuticle of fresh produce, ozone signaling pathways in the cells and tissues, and so forth. Possible adverse effects of gaseous ozone on quality of fresh produce also need to be carefully evaluated for the purpose of enhancing microbial and chemical safety of fresh produce.
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Affiliation(s)
- Xuetong Fan
- Eastern Regional Research Center, U.S. Department of Agriculture, Agricultural Research Service, Wyndmoor, Pennsylvania, USA
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17
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Liu M, Tang H, Jiang H, Li J, Yan S, Wang Q. Effects of air discharge on surface charges and cell walls of Fusarium oxysporum. Int Microbiol 2021; 24:415-425. [PMID: 33963940 DOI: 10.1007/s10123-020-00157-7] [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: 07/11/2020] [Revised: 10/28/2020] [Accepted: 12/29/2020] [Indexed: 10/21/2022]
Abstract
Air discharge showed significant inhibition on mycelial growth and spore germination of Fusarium oxysporum, one of the main spoilage fungi in post-harvest lotus roots which is an important economic aquatic vegetable in China. However, the antimicrobial mechanism of air discharge is not clear yet. In the present study, the effects of air discharge on F. oxysporum separated from post-harvest rotten lotus roots were characterized by analyzing surface charges, cell wall permeability, and changes in chitin and chitosan including surface morphology, functional groups, degree of deacetylation, crystallinity, and C/N ratio. After air discharge treatments, alkaline phosphatase leak assay revealed that cell wall permeability of F. oxysporum was magnified. What's more, zeta potentials of F. oxysporum increased and negative charges on cell surfaces decreased. The ordered and compact molecular arrangements of chitin and chitosan in cell walls of F. oxysporum were reduced. The deacetylation degree of chitin and chitosan increased, and the C/N ratios of chitin and chitosan decreased. It was concluded from these results that air discharge caused the transformation in structures of chitin and chitosan, resulting in the exposure of positively charged amino groups and decrease of negative charges on cell surfaces which brought damage to the structure and function of F. oxysporum's cell walls.
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Affiliation(s)
- Mengdie Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Hui Tang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Huiwen Jiang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Jie Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China. .,Aquatic Vegetable Preservation&Processing Technology Engineering Center of Hubei Province, Wuhan, Hubei, China. .,Engineering Research Center of Ministry of Education for Green Development of Aquatic Biological Industry in Yangtze River Economic Belt, Wuhan, Hubei, China.
| | - Shoulei Yan
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China.,Aquatic Vegetable Preservation&Processing Technology Engineering Center of Hubei Province, Wuhan, Hubei, China.,Engineering Research Center of Ministry of Education for Green Development of Aquatic Biological Industry in Yangtze River Economic Belt, Wuhan, Hubei, China
| | - Qingzhang Wang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China.,Aquatic Vegetable Preservation&Processing Technology Engineering Center of Hubei Province, Wuhan, Hubei, China
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Abstract
Studies have shown that ozone is a good oxidizer and a strong disinfectant. There are many uses for ozone in the food industry, but there is relatively little information about the influence of ozone on biochemical composition and the capacity to reduce the number of microorganisms in birch sap. In this study, sap was ozonated at different intervals for 5 min (O3: 0.087 ± 0.009 mg L−1), 10 min, 15 min, 20 min, 25 min, or 30 min (O3: 0.99 ± 0.09 mg L−1). The parameters of the birch sap were studied immediately after the ozone treatment as well as during storage for seven days at 2 °C and for five days at 20 °C. The parameters of ozonated birch sap were compared with the parameters of fresh sap (control). The microbiological analysis included total bacterial count, lactic acid bacterial count, and yeast and mold count. Birch sap color, pH, titratable acidity, and ºBrix values were also determined. Evaluation of monosaccharides, sucrose, total sugars, and ascorbic acid was carried out in fresh sap as well as sap ozonated for 30 min, immediately after ozonation. The results show the statistical significance of the inactivation of microorganisms after treatment in most cases. The microorganism counts gradually reduced with increasing intervals of ozone treatment. The best results were obtained after 25 and 30 min of ozonation. Ozone treatment did not significantly influence the pH, titratable acidity, or °Brix statistically. Values of monosaccharides, sucrose, total sugars, and ascorbic acid were influenced within the margin of error. Ozone had a significant influence on the chroma and hue angle.
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19
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Novel approaches in anthocyanin research - Plant fortification and bioavailability issues. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.01.049] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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20
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Starch modification by ozone: Correlating molecular structure and gel properties in different starch sources. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.106027] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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21
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Rosario DKA, Rodrigues BL, Bernardes PC, Conte-Junior CA. Principles and applications of non-thermal technologies and alternative chemical compounds in meat and fish. Crit Rev Food Sci Nutr 2020; 61:1163-1183. [PMID: 32319303 DOI: 10.1080/10408398.2020.1754755] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Conventional methods of food preservation have demonstrated several disadvantages and limitations in the efficiency of the microbial load reduction and maintain food quality. Hence, non-thermal preservation technologies (NTPT) and alternative chemical compounds (ACC) have been considered a high promissory replacer to decontamination, increasing the shelf life and promoting low levels of physicochemical, nutritional and sensorial alterations of meat and fish products. The combination of these methods can be a potential alternative to the food industry. This review deals with the most critical aspects of the mechanisms of action under microbial, physicochemical, nutritional and sensorial parameters and the efficiency of the different NTPT (ultrasound, high pressure processing, gamma irradiation and UV-C radiation) and ACC (peracetic acid, bacteriocins, nanoparticles and essential oils) applied in meat and fish products. The NTPT and ACC present a high capacity of microorganisms inactivation, ensuring low alterations level in the matrix and high reduction of environmental impact. However, the application conditions of the different methods as exposition time, energy intensity and concentration thresholds of chemical compounds need to be specifically established and continuously improved for each matrix type to reduce to the maximum the physicochemical, nutritional and sensorial changes. In addition, the combination of the methods (hurdle concept) may be an alternative to enhance the matrix decontamination. In this way, undesirable changes in meat and fish products can be further reduced without a decrease in the efficiency of the decontamination.
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Affiliation(s)
- Denes K A Rosario
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Avenida Horácio Macedo, Cidade Universitária, Rio de Janeiro, RJ, Brazil.,Food Science Program, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, Rio de Janeiro, RJ, Brazil
| | - Bruna L Rodrigues
- Food Science Program, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, Rio de Janeiro, RJ, Brazil
| | - Patricia C Bernardes
- Department of Food Engineering, Federal University of Espírito Santo, Alegre, Brazil
| | - Carlos A Conte-Junior
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Avenida Horácio Macedo, Cidade Universitária, Rio de Janeiro, RJ, Brazil.,Food Science Program, Institute of Chemistry, Federal University of Rio de Janeiro, Av. Athos da Silveira Ramos, Rio de Janeiro, RJ, Brazil.,National Institute of Health Quality Control, Oswaldo Cruz Foundation, Rio de Janeiro, RJ, Brazil
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22
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Decontamination of chilli flakes in a fluidized bed using combined technologies: Infrared, UV and ozone. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2019.102248] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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23
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Degala HL, Scott JR, Rico Espinoza FI, Mahapatra AK, Kannan G. Synergistic effect of ozonated and electrolyzed water on the inactivation kinetics of
Escherichia coli
on goat meat. J Food Saf 2019. [DOI: 10.1111/jfs.12740] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Hema L. Degala
- Food Engineering Laboratory, Agricultural Research Station, College of Agriculture, Family Sciences and TechnologyFort Valley State University Fort Valley Georgia
| | - Jasmine R. Scott
- Food Engineering Laboratory, Agricultural Research Station, College of Agriculture, Family Sciences and TechnologyFort Valley State University Fort Valley Georgia
| | | | - Ajit K. Mahapatra
- Food Engineering Laboratory, Agricultural Research Station, College of Agriculture, Family Sciences and TechnologyFort Valley State University Fort Valley Georgia
| | - Govind Kannan
- Food Engineering Laboratory, Agricultural Research Station, College of Agriculture, Family Sciences and TechnologyFort Valley State University Fort Valley Georgia
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24
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Lima DC, Miano AC, Augusto PED, Arthur V. Gamma irradiation of common beans: Effect on nutritional and technological properties. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108539] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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25
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Vettraino AM, Vinciguerra V, Pacini G, Forniti R, Goffi V, Botondi R. Gaseous Ozone as a Suitable Solution for Postharvest Chestnut Storage: Evaluation of Quality Parameter Trends. FOOD BIOPROCESS TECH 2019. [DOI: 10.1007/s11947-019-02378-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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26
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Li S, Zhilyaev S, Gallagher D, Subbiah J, Dvorak B. Sustainability of safe foods: Joint environmental, economic and microbial load reduction assessment of antimicrobial systems in U.S. beef processing. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 691:252-262. [PMID: 31323571 DOI: 10.1016/j.scitotenv.2019.07.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 07/04/2019] [Accepted: 07/04/2019] [Indexed: 06/10/2023]
Abstract
Various antimicrobial interventions are applied sequentially in the beef processing industry to reduce microbial load on beef products by using intensive inputs (e.g., chemicals, energy), high strength wastewater, and potentially result in meat discoloration. This study serves as the first analysis to jointly evaluate environmental and economic assessment with its microbial load reduction of proposed antimicrobial systems in the U.S. beef processing industry to identify relatively sustainable systems that minimize environmental and economic impacts while providing microbial safe meat. Specifically, forty potential sequential antimicrobial systems were proposed and evaluated from three perspectives: microbial load reduction, environmental, and economic impacts, by meta-analysis, life cycle assessment, and operational cost analysis orderly. The results show that the antimicrobial systems applying steam pasteurization during the main intervention offer high microbial load reduction (>4.2 log CFU/cm2 reduction from a hypothetical initial contamination at 5.0 log CFU/cm2). Human health impact (31.0 to 65.6%) and ecosystem toxicity (3.6 to 12.5%), eutrophication (11.9 to 15.5%) and global warming (6.4 to 22.2%) are the main contributors to the overall environmental single score among the forty antimicrobial systems. Antimicrobial chemicals (up to 82.8%), wastewater treatment (up to 12.7%), and natural gas (up to 10.7%) are the three major drivers of operational cost for sanitizing 1000 kg hot standard carcass weight (HSCW). Devalued (discolored) meat due to contact with heat from steam pasteurization or hot water wash has a considerable increase in economic ($4.5/1000 HSCW) and environmental (especially at farm stage) impacts. Certain antimicrobial systems (e.g., water wash followed by steam pasteurization) were found to be more promising with satisfactory effectiveness, better environmental and cost performance under uncertainty (1000 Monte Carlo simulations). Results from this study can guide the U.S. beef processing industry to advance sustainability while protecting human health from foodborne illness.
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Affiliation(s)
- Shaobin Li
- Department of Civil Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Samson Zhilyaev
- Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Daniel Gallagher
- Department of Civil and Environmental Engineering, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Jeyamkondan Subbiah
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA; Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Bruce Dvorak
- Department of Civil Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA; Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA.
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27
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Vettraino AM, Bianchini L, Caradonna V, Forniti R, Goffi V, Zambelli M, Testa A, Vinciguerra V, Botondi R. Ozone gas as a storage treatment to control Gnomoniopsis castanea, preserving chestnut quality. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2019; 99:6060-6065. [PMID: 31226223 DOI: 10.1002/jsfa.9883] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 06/10/2019] [Accepted: 06/14/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Chestnuts are gluten-free, low-fat, cholesterol-free products. Postharvest decay reduces chestnut shelf life and can cause severe economic losses. In this study we investigated the effect of ozone (O3 ) gaseous treatment on chestnut rot caused by Gnomoniopsis castanea and the quality parameters of chestnuts. RESULTS The results showed that ozone treatment (150 ppb during the day, and 300 ppb during the night) reduced the decay of chestnuts and had a fungistatic effect on isolates of G. castanea. The exposure of chestnuts to ozone did not alter weight losses, sugar content and titratable acidity. The concentration of total phenolics decreased during the storage period, both for treated and untreated nuts. However, after 150 days of treatment the polyphenol content of the chestnuts exposed to ozone was significantly higher than in control nuts. CONCLUSIONS Our results suggested that ozone is an appropriate and economical tool to maximize the quality of chestnut shelf life, enabling it to be stored for long periods. © 2019 Society of Chemical Industry.
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Affiliation(s)
| | | | | | - Roberto Forniti
- DIBAF, University of Tuscia, Via S. Camillo de Lellis, Viterbo, Italy
| | - Valentina Goffi
- DIBAF, University of Tuscia, Via S. Camillo de Lellis, Viterbo, Italy
| | - Marta Zambelli
- DIBAF, University of Tuscia, Via S. Camillo de Lellis, Viterbo, Italy
| | - Antonino Testa
- Department of Agriculture, University of Naples Federico II, Portici, Italy
| | | | - Rinaldo Botondi
- DIBAF, University of Tuscia, Via S. Camillo de Lellis, Viterbo, Italy
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28
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Combining ozone and ultrasound technologies to modify maize starch. Int J Biol Macromol 2019; 139:63-74. [DOI: 10.1016/j.ijbiomac.2019.07.161] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 07/03/2019] [Accepted: 07/25/2019] [Indexed: 11/20/2022]
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29
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Błaszak M, Nowak A, Lachowicz S, Migdał W, Ochmian I. E-Beam Irradiation and Ozonation as an Alternative to the Sulphuric Method of Wine Preservation. Molecules 2019; 24:E3406. [PMID: 31546827 PMCID: PMC6766795 DOI: 10.3390/molecules24183406] [Citation(s) in RCA: 10] [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: 08/12/2019] [Revised: 09/16/2019] [Accepted: 09/18/2019] [Indexed: 01/07/2023] Open
Abstract
Potassium metabisulphite is usually used for microbial stabilization in the process of vinification and wine preservation, but it is considered to be allergenic. The objective of the present study was to assess the efficiency of ozonation and ionizing radiation as alternatives to wine sulphurization. The efficiency of yeast removal and the retention of the chemical quality of wine were evaluated. Wine was subjected to 60 min of ozonation, and radiation doses were set at 1-10 kGy. Moreover, a combination of ozonation and ionizing radiation treatment was used. The ozonation of wine did not produce the expected results. That is, it did not limit the number of yeast cells. From the sixth minute, a significant deterioration in the taste and the color of the wine was found. Ionizing radiation at a dose of 1 kGy reduced the yeast count by 95.5%, and a reduction of 99.9% was seen after the application of 2.5 kGy. Moreover, these doses did not have a significant effect on the organoleptic properties or the chemical composition of wine. The total amount of polyphenols reduced from the maximum of 1127.15 to 1023.73 mg at the dose of 5 kGy. Radiation is widely used to preserve food products. Its use for finished wine preservation may be an alternative to sulphurization.
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Affiliation(s)
- Magdalena Błaszak
- Department of Chemistry, Microbiology and Environmental Biotechnology, West Pomeranian University of Technology in Szczecin, Słowackiego 17 Street, 71-434 Szczecin, Poland.
| | - Agata Nowak
- Department of Chemistry, Microbiology and Environmental Biotechnology, West Pomeranian University of Technology in Szczecin, Słowackiego 17 Street, 71-434 Szczecin, Poland.
| | - Sabina Lachowicz
- Department of Fermentation and Cereals Technology, Wroclaw University of Environmental and Life Sciences, Chełmońskiego 37 Street, 51-630 Wrocław, Poland.
| | - Wojciech Migdał
- Institute of Nuclear Chemistry and Technology, 16 Dorodna Street, 03-195 Warsaw, Poland.
| | - Ireneusz Ochmian
- Department of Horticulture, West Pomeranian University of Technology in Szczecin, Słowackiego 17 Street, 71-434 Szczecin, Poland.
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30
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Matta Junior M, Castanha N, dos Anjos CBP, Augusto PED, Sarmento SBS. Ozone technology as an alternative to fermentative processes to improve the oven-expansion properties of cassava starch. Food Res Int 2019; 123:56-63. [DOI: 10.1016/j.foodres.2019.04.050] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 04/15/2019] [Accepted: 04/17/2019] [Indexed: 02/03/2023]
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31
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Rothrock MJ, Micciche AC, Bodie AR, Ricke SC. Listeria Occurrence and Potential Control Strategies in Alternative and Conventional Poultry Processing and Retail. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2019. [DOI: 10.3389/fsufs.2019.00033] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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32
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Kaczmarek M, Avery SV, Singleton I. Microbes associated with fresh produce: Sources, types and methods to reduce spoilage and contamination. ADVANCES IN APPLIED MICROBIOLOGY 2019; 107:29-82. [PMID: 31128748 DOI: 10.1016/bs.aambs.2019.02.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Global food security remains one of the most important challenges that needs to be addressed to ensure the increasing demand for food of the fast growing human population is satisfied. Fruits and vegetables comprise an essential component of a healthy balanced diet as they are the major source of both macro- and micronutrients. They are particularly important for communities in developing countries whose nutrition often relies solely on a plant-based diet. Recent advances in agriculture and food processing technologies have facilitated production of fresh, nutritious and safe food for consumers. However, despite the development of sophisticated chemical and physical methods of food and equipment disinfection, fresh-cut produce and fruit juice industry still faces significant economic losses due to microbial spoilage. Furthermore, fresh produce remains an important source of pathogens that have been causing outbreaks of human illness worldwide. This chapter characterizes common spoilage and human pathogenic microorganisms associated with fresh-cut produce and fruit juice products, and discusses the methods and technology that have been developed and utilized over the years to combat them. Substantial attention is given to highlight advantages and disadvantages of using these methods to reduce microbial spoilage and their efficacy to eliminate human pathogenic microbes associated with consumption of fresh-cut produce and fruit juice products.
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Affiliation(s)
- Maciej Kaczmarek
- School of Applied Sciences, Edinburgh Napier University, Sighthill Court, Edinburgh, United Kingdom.
| | - Simon V Avery
- School of Life Sciences, University of Nottingham, University Park, Nottingham, United Kingdom
| | - Ian Singleton
- School of Applied Sciences, Edinburgh Napier University, Sighthill Court, Edinburgh, United Kingdom.
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Velasco R, Cambero MI, Ordóñez JA, Cabeza MC. The impact of E-beam treatment on the microbial population and sensory quality of hard annatto-coloured cheese. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.11.045] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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34
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Pornpukdeewattana S, Jindaprasert A, Massa S. Alicyclobacillusspoilage and control - a review. Crit Rev Food Sci Nutr 2019; 60:108-122. [DOI: 10.1080/10408398.2018.1516190] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | - Aphacha Jindaprasert
- Faculty of Agro-Industry, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand
| | - Salvatore Massa
- Faculty of Agro-Industry, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand
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35
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Properties and possible applications of ozone-modified potato starch. Food Res Int 2019; 116:1192-1201. [DOI: 10.1016/j.foodres.2018.09.064] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 09/13/2018] [Accepted: 09/22/2018] [Indexed: 11/18/2022]
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36
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Micciche AC, Rubinelli PM, Ricke SC. Source of Water and Potential Sanitizers and Biological Antimicrobials for Alternative Poultry Processing Food Safety Applications. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2018. [DOI: 10.3389/fsufs.2018.00082] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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Kanaan MHG. Antibacterial effect of ozonated water against methicillin-resistant Staphylococcus aureus contaminating chicken meat in Wasit Province, Iraq. Vet World 2018; 11:1445-1453. [PMID: 30532500 PMCID: PMC6247883 DOI: 10.14202/vetworld.2018.1445-1453] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 08/21/2018] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND AND AIM Methicillin-resistant Staphylococcus aureus (MRSA) is one of the most recognized "superbugs" and a common cause of community-associated and nosocomial infections; furthermore, when chicken meat is considered a good growth medium for S. aureus to make a plausible vehicle to propagate MRSA, then this study was conducted to evaluate the efficiency of ozonated water (0.5 ppm) in the elimination or reduction of MRSA contaminating fresh and frozen chicken meat sold in local markets in the Wasit Province. MATERIALS AND METHODS A total of 72 samples of fresh and frozen chicken meat were randomly collected from dissimilar native markets: Fresh chicken meat (n=32) and frozen chicken meat (n=40). Isolation and identification of MRSA isolates were conducted using standard bacteriological, biochemical, RapID™ Staph Plus System (Remel, R8311009), and latex agglutination tests such as Dry SPOT Staphytect Plus (Oxoid, DR0100M) and PBP2' Test Kit (Oxoid, DR0900A). The generation of ozone (O3) was carried out using O3 generator (A2Z/AQUA-6, USA), and its concentration (ppm) in water was determined using CHE-Mets®-Kit, USA. RESULTS A total of 39 (54.2%) of 72 fresh and frozen chicken meat were positive for S. aureus; of those 39 positive samples, 13 (33.3%) were identified as MRSA. The antibiotic sensitivity test results revealed that all MRSA isolates had multiple resistance to at least four antimicrobial agents for which these isolates had 12 antibiotic resistance patterns. Results of O3 treatment in MRSA isolate contaminating 13 of both fresh and frozen chicken meat samples showed that, after treatment with ozonated water (0.5 ppm/4°C), the overall negative samples were 23.1% and 69.2% for 30 and 45 min, respectively. The decrease in the percentage of positive samples was very significant from a public health perspective. Furthermore, the antimicrobial efficacy of ozonated water (0.5 ppm) on the reduction of the MRSA count (log10 colony-forming units [CFU]/ml) was assessed in four positive samples of fresh and frozen chicken meat, and the results revealed that, after treatments, the overall reduction was 2-4 log10 (CFU/ml) after 45 min. This reduction is highly significant from a public health perspective. CONCLUSION From the data obtained from this study, it can be concluded that fresh and frozen chicken meat sold in the different markets of Wasit Province was highly contaminated by S. aureus during the study period with a total prevalence of 54.2%; among those, 33.3% were recognized as MRSA. Under the conditions described in the present study, O3 at the concentration of 0.5 ppm is highly effective in reducing the number of MRSA-positive samples and the number decreased with increased exposure time to ozonated water at the same concentration. These findings indicated that O3 treatment might constitute the basis for an alternative method to reduce meat contamination with foodborne pathogens such as MRSA.
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Affiliation(s)
- Manal H. G. Kanaan
- Department of Nursing, Technical Institute of Suwaria, Middle Technical University, Baghdad, Iraq
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Effect of ozone treatment on the quality of grain products. Food Chem 2018; 264:358-366. [DOI: 10.1016/j.foodchem.2018.05.047] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 05/01/2018] [Accepted: 05/08/2018] [Indexed: 11/19/2022]
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Rahmani AR, Azarian G, Nematollahi D. New insights into electrocatalytic ozone generation using Pt/Ni-Sb-SnO2 and GC/Ni-Sb-SnO2 electrodes. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.07.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Guzzon R, Franciosi E, Moser S, Carafa I, Larcher R. Application of ozone during grape drying for the production of straw wine. Effects on the microbiota and compositive profile of grapes. J Appl Microbiol 2018; 125:513-527. [DOI: 10.1111/jam.13774] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 02/27/2018] [Accepted: 03/19/2018] [Indexed: 11/28/2022]
Affiliation(s)
- R. Guzzon
- Edmund Mach Foundation San Michele all'Adige Trento Italy
| | - E. Franciosi
- Edmund Mach Foundation San Michele all'Adige Trento Italy
| | - S. Moser
- Edmund Mach Foundation San Michele all'Adige Trento Italy
| | - I. Carafa
- Edmund Mach Foundation San Michele all'Adige Trento Italy
| | - R. Larcher
- Edmund Mach Foundation San Michele all'Adige Trento Italy
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Kazi M, Parlapani FF, Boziaris IS, Vellios EK, Lykas C. Effect of ozone on the microbiological status of five dried aromatic plants. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2018; 98:1369-1373. [PMID: 28758285 DOI: 10.1002/jsfa.8602] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 07/26/2017] [Accepted: 07/26/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Aromatic plants may be contaminated with a wide range of microorganisms, making them a potential health hazard when infused or added to ready-to-eat meals. To ensure safety, the effect of gaseous ozone treatment on the population of aerobic plate counts (APC), hygienic indicators (Escherichia coli, Enterococcus spp. and Enterobacteriaceae) and fungi was investigated for five dried aromatic plants: oregano, thyme, mountain tea, lemon verbena and chamomile. Selection, isolation and further fungi identification were based on the phenotypic and macro- and microscopic characteristics. RESULTS Prior to ozonation, APC on five dried aromatic plants was in the range 5-7 log colony-forming units (CFU) g-1 . The APC exhibited a 4 log reduction, from around 6.5 to 2.5 in the case of oregano, and only a 1-2 log reduction for other herbs after 30 or 60 min of 4 ppm gaseous ozone treatment. Enterococcus spp. and E. coli were not detected on any of the tested dried aromatic plants. The fungi counts were 2-4 log CFU g-1 before ozonation. Aspergillus spp, Penicillium spp, Cladosporium spp, Alternaria spp, Fusarium spp., Ulocladium spp. and some unknown fungi were detected on plants before ozone treatment. Aspergillus spp. and/or Penicillium spp. were only detected on mountain tea and thyme plant material after 60 min of ozonation. CONCLUSION The present study provides information about the efficiency of ozone on the microbial decontamination of dried aromatic plants. Treatment with gaseous ozone at 4 ppm for 30 min in the case of dried oregano and 60 min in the case of chamomile and lemon verbena could be used as alternative disinfection methods. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Martha Kazi
- Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Greece
| | - Foteini F Parlapani
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Greece
| | - Ioannis S Boziaris
- Laboratory of Marketing and Technology of Aquatic Products and Foods, Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Greece
| | - Evangelos K Vellios
- Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Greece
| | - Christos Lykas
- Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Greece
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Odueke OB, Chadd SA, Baines RN, Farag KW, Jansson J. Effects of gamma irradiation on the shelf-life of a dairy-like product. Radiat Phys Chem Oxf Engl 1993 2018. [DOI: 10.1016/j.radphyschem.2017.09.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Khan MK, Ahmad K, Hassan S, Imran M, Ahmad N, Xu C. Effect of novel technologies on polyphenols during food processing. INNOV FOOD SCI EMERG 2018. [DOI: 10.1016/j.ifset.2017.12.006] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Toti M, Carboni C, Botondi R. Postharvest gaseous ozone treatment enhances quality parameters and delays softening in cantaloupe melon during storage at 6 °C. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2018; 98:487-494. [PMID: 28612399 DOI: 10.1002/jsfa.8485] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 06/09/2017] [Accepted: 06/09/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND A trial was conducted to evaluate the effect of postharvest gaseous ozone (O3 ) treatment on quality parameters and cell wall enzymes of cantaloupe melon cv. Caldeo during storage at 6 °C for 13 days. Fruits were kept in cold storage and treated with 0.15 ppm gaseous O3 during the day and 0.3 ppm overnight; control fruits (CK) were stored in normal atmosphere. RESULTS Firmness was higher and ethylene concentration significantly lower in O3 fruits compared with CK fruits. During storage, microbial counts were lower in both O3 and CK fruits; from day 9, O3 fruits showed a significant decrease in mesophilic aerobes. Additionally, total carotenoids had a tendency to be higher, with no significant differences between CK and O3 fruits. The same trend was observed for ascorbic acid, colour, total soluble solids content and acidity. Finally, O3 treatment reduced the activities of cell wall enzymes α-arabinopyranosidase, β-galactopyranosidase and polygalacturonase starting from day 3 of storage. Pectin methyl esterase activity did not seem to be affected by O3 treatment. CONCLUSION Gaseous O3 treatment during cold storage was effective in decreasing ethylene production and delaying fruit softening in cantaloupe melon by extending quality maintenance. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Mauro Toti
- Department for Innovation in Biological, Agro-food and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
| | | | - Rinaldo Botondi
- Department for Innovation in Biological, Agro-food and Forest Systems (DIBAF), University of Tuscia, Viterbo, Italy
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γ-Irradiation of oat grain – Effect on physico-chemical, structural, thermal, and antioxidant properties of extracted starch. Int J Biol Macromol 2017; 104:1313-1320. [DOI: 10.1016/j.ijbiomac.2017.05.092] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 04/02/2017] [Accepted: 05/16/2017] [Indexed: 11/22/2022]
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Sadeghi R, Mirabi Moghaddam R, Taghizadeh M. Application of Ozone to Control Dried Fig Pests-Oryzaephilus surinamensis (Coleoptera: Silvanidae) and Ephestia kuehniella (Lepidoptera: Pyralidae)-and Its Organoleptic Properties. JOURNAL OF ECONOMIC ENTOMOLOGY 2017; 110:2052-2055. [PMID: 28981675 DOI: 10.1093/jee/tox181] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Indexed: 06/07/2023]
Abstract
Ozone is a powerful oxidant which can be used for killing insects and microorganisms. In this study, ozone was applied in the gaseous form to control two species of pests in stored dried figs. The samples of figs (50 g each) were infested with adults of Oryzaephilus surinamensis L. and larvae of Ephestia kuehniella Zeller and were subjected to different combinations of ozone concentrations (2, 3, and 5 ppm) and exposure times (15, 30, 45, 60, and 90 min). Changes in organoleptic properties (color, sweetness, firmness, aroma, and overall acceptability) during ozonation were studied. The results showed that the mortality rate increased with an increase in ozone concentration and exposure time. The total mortality of both pests was achieved at an ozone concentration of 5 ppm and exposure time of 90 min. Sensory evaluation showed that ozone only had a negligible effect on aroma. Therefore, the usage of ozone is recommended during the postharvest process instead of other chemical fumigants, such as methyl bromide and phosphine.
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Affiliation(s)
- Reza Sadeghi
- Department of Entomology and Plant Pathology, College of Aboureihan, University of Tehran, Tehran, 983391653755, Iran
| | - Rahil Mirabi Moghaddam
- Department of Entomology and Plant Pathology, College of Aboureihan, University of Tehran, Tehran, 983391653755, Iran
| | - Masoud Taghizadeh
- Department of Food Science and Technology, Ferdowsi University of Mashhad, Mashhad, Iran
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Kahraman O, Lee H, Zhang W, Feng H. Manothermosonication (MTS) treatment of apple-carrot juice blend for inactivation of Escherichia coli 0157:H7. ULTRASONICS SONOCHEMISTRY 2017; 38:820-828. [PMID: 27919669 DOI: 10.1016/j.ultsonch.2016.11.024] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 11/20/2016] [Accepted: 11/21/2016] [Indexed: 06/06/2023]
Abstract
This study was performed to evaluate the responses of Escherichia coli 0157:H7 inoculated in an apple-carrot blended juice to manothermosonication (MTS) treatments. The MTS treatments were conducted in a continuous-flow MTS system. The juice samples were exposed to ultrasound treatment at combinations of three temperatures (60, 50 and 40°C) and three pressure levels (100, 200, and 300kPa) for five residence times (15, 30, 45, 60, and 75s). The results showed that higher treatment temperature (i.e. 60°C) and hydrostatic pressure in the MTS system significantly enhanced the microbial reduction. A FDA mandated 5-logCFU/ml reduction of E. coli 0157:H7 for juice processing was achieved in 30s for MTS treatment at 60°C, in comparison to 60s at 50°C. The Weilbull and Log-logistic models provided the best fitting of the inactivation data for the MTS treatments. Extensive damage of E. coli 0157:H7 cells treated with MTS was observed on micro-images of scanning electron microscopy and transmission electron microscopy.
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Affiliation(s)
- Ozan Kahraman
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Hyoungill Lee
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
| | - Wei Zhang
- Department of Food Science & Nutrition, Illinois Institute of Technology, Bedford Park, IL 60501, USA
| | - Hao Feng
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
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Spiteri D, Chot-Plassot C, Sclear J, Karatzas K, Scerri C, Valdramidis V. Ultrasound processing of liquid system(s) and its antimicrobial mechanism of action. Lett Appl Microbiol 2017; 65:313-318. [DOI: 10.1111/lam.12776] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 07/14/2017] [Accepted: 07/16/2017] [Indexed: 11/27/2022]
Affiliation(s)
- D. Spiteri
- Department of Food Studies and Environmental Health; University of Malta; Msida Malta
- Centre for Molecular Medicine and Biobanking; University of Malta; Msida Malta
| | - C. Chot-Plassot
- Department of Food Studies and Environmental Health; University of Malta; Msida Malta
| | - J. Sclear
- Department of Food Studies and Environmental Health; University of Malta; Msida Malta
| | - K.A. Karatzas
- Department of Food and Nutritional Science; University of Reading; Reading UK
| | - C. Scerri
- Centre for Molecular Medicine and Biobanking; University of Malta; Msida Malta
- Department of Physiology and Biochemistry; University of Malta; Msida Malta
| | - V.P. Valdramidis
- Department of Food Studies and Environmental Health; University of Malta; Msida Malta
- Centre for Molecular Medicine and Biobanking; University of Malta; Msida Malta
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Carvalho Santos I, Pinto J, Pimenta AI, Madureira J, Matos P, Viegas C, Raposo A, Margaça FM, Cabo Verde S. Use of gamma radiation in sheep butter manufacturing process for shelf-life extension. Int Dairy J 2017. [DOI: 10.1016/j.idairyj.2017.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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