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Wang J, Cui Y, Zhang M, Wang L, Aihaiti A, Maimaitiyiming R. Pulsed-control plasma-activated water: An emerging technology to assist ultrasound for fresh-cut produce washing. ULTRASONICS SONOCHEMISTRY 2024; 102:106739. [PMID: 38154207 PMCID: PMC10792264 DOI: 10.1016/j.ultsonch.2023.106739] [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: 09/19/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 12/30/2023]
Abstract
In this study, we explored the use of plasma-activated water (PAW) in combination with ultrasound (US) for food disinfection. Our research introduces a novel approach that utilizes a pulsed-control (PC) method to modify the PAW. The resulting PCPAW exhibits significantly higher concentrations of key reactive oxygen and nitrogen species (RONS) compared to conventional PAW. The disinfection efficacy of US-PCPAW against fresh-cut lettuce was compared to that of US-PAW, US, and PCPAW. The combination of US and PCPAW was highly effective in reducing food-borne pathogens, surpassing single treatments in count reduction and minimizing cross-contamination. Furthermore, our study demonstrates that US-PCPAW effectively controls browning appearance without compromising sensory attributes. These findings suggest that PCPAW, as a novel disinfectant, can be a valuable addition to US to enhance the quality and safety of fresh-cut produce.
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Affiliation(s)
- Jiayi Wang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science & Technology, Xinjiang University, Urumqi 830046, China; College of Food and Chemical Engineering, Shaoyang University, Shaoyang 422000, China.
| | - Yincang Cui
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science & Technology, Xinjiang University, Urumqi 830046, China; Physics and Chemistry Analysis Center, Xinjiang University, Urumqi 830046, China
| | - Minwei Zhang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science & Technology, Xinjiang University, Urumqi 830046, China
| | - Liang Wang
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science & Technology, Xinjiang University, Urumqi 830046, China
| | - Aihemaitijiang Aihaiti
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science & Technology, Xinjiang University, Urumqi 830046, China
| | - Ruxianguli Maimaitiyiming
- Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science & Technology, Xinjiang University, Urumqi 830046, China
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Wu J, Zhang J, Ni W, Xu X, George MS, Lu G. Effect of Heat Treatment on the Quality and Soft Rot Resistance of Sweet Potato during Long-Term Storage. Foods 2023; 12:4352. [PMID: 38231861 DOI: 10.3390/foods12234352] [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: 11/01/2023] [Revised: 11/21/2023] [Accepted: 11/24/2023] [Indexed: 01/19/2024] Open
Abstract
Heat treatment is a widely applied technique in the preservation of fruits and vegetables, effectively addressing issues such as disease management, rot prevention, and browning. In this study, we investigated the impact of heat treatment at 35 °C for 24 h on the quality characteristics and disease resistance of two sweet potato varieties, P32/P (Ipomoea batatas (L.) Lam. cv 'Pushu13') and Xinxiang (Ipomoea batatas (L.) Lam. cv 'Xinxiang'). The growth in vitro and reproduction of Rhizopus stolonifer were significantly inhibited at 35 °C. However, it resumed when returned to suitable growth conditions. The heat treatment (at 35 °C for 24 h) was found to mitigate nutrient loss during storage while enhancing the structural characteristics and free radical scavenging capacity of sweet potato. Additionally, it led to increased enzyme activities for APX, PPO, and POD, alongside decreased activities for Cx and PG, thereby enhancing the disease resistance of sweet potato against soft rot. As a result, the heat treatment provided a theoretical basis for the prevention of sweet potato soft rot and had guiding significance for improving the resistance against sweet potato soft rot.
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Affiliation(s)
- Jifeng Wu
- Institute of Root and Tuber Crops, The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, College of Advanced Agricultural Sciences, Zhejiang A&F University, Hangzhou 311300, China
| | - Jingzhen Zhang
- Institute of Root and Tuber Crops, The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, College of Advanced Agricultural Sciences, Zhejiang A&F University, Hangzhou 311300, China
| | - Wenrong Ni
- Institute of Root and Tuber Crops, The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, College of Advanced Agricultural Sciences, Zhejiang A&F University, Hangzhou 311300, China
| | - Ximing Xu
- Institute of Root and Tuber Crops, The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, College of Advanced Agricultural Sciences, Zhejiang A&F University, Hangzhou 311300, China
| | - Melvin Sidikie George
- Crop Science Department, Njala University, Njala Campus, Private Mail Bag, Freetown 999127, Sierra Leone
| | - Guoquan Lu
- Institute of Root and Tuber Crops, The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, College of Advanced Agricultural Sciences, Zhejiang A&F University, Hangzhou 311300, China
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Shi H, Li C, Lu H, Zhu J, Tian S. Synergistic effect of electrolyzed water generated by sodium chloride combined with dimethyl dicarbonate for inactivation of Listeria monocytogenes on lettuce. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:7905-7913. [PMID: 37490703 DOI: 10.1002/jsfa.12884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 04/11/2023] [Accepted: 07/26/2023] [Indexed: 07/27/2023]
Abstract
BACKGROUND Electrolyzed water (EW) is recognized as an effective way to control and reduce pathogens in vegetables. However, the disinfection efficacy of EW alone is limited. In this work, the bactericidal activity and biofilm removal capability of EW, generated by adding NaCl to a portable EW generator, were investigated with special reference to Listeria monocytogenes. Furthermore, the impact of EW in combination with dimethyl dicarbonate (DMDC) in reducing the microbial load and improving the overall quality of lettuce during refrigerated storage was evaluated. RESULTS EW with 0.3% NaCl (SEW) had the highest bactericidal activity against L. monocytogenes. The pathogen treated with SEW exhibited lower superoxide dismutase activity and more leakage of proteins and nucleic acids than in the case of EW. Furthermore, the use of SEW resulted in changes in the cell permeability and morphology of L. monocytogenes. A decrease in adhesion and collapse of the biofilm architecture were also observed, indicating that SEW was more effective for inactivating L. monocytogenes cells compared to EW. For untreated lettuce, the populations of the total plate count and inoculated L. monocytogenes decreased by 2.47 and 2.35 log CFU g-1 , respectively, after the combined SEW/DMDC treatment for 3 min. The use of SEW alone or combined with DMDC did not negatively impact the lettuce color values, titratable acid, ascorbic acid and soluble solids compared to the control group. CONCLUSION SEW in combination with DMDC can be used as a novel and potentially effective disinfection strategy for ensuring the safety of vegetable consumption. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Honghui Shi
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Chunliu Li
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Haixia Lu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Junli Zhu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Shiyi Tian
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
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Kim JH, Chan KL, Hart-Cooper WM, Palumbo JD, Orts WJ. High-efficiency fungal pathogen intervention for seed protection: new utility of long-chain alkyl gallates as heat-sensitizing agents. FRONTIERS IN FUNGAL BIOLOGY 2023; 4:1172893. [PMID: 37746121 PMCID: PMC10512402 DOI: 10.3389/ffunb.2023.1172893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 07/13/2023] [Indexed: 09/26/2023]
Abstract
Control of food-contaminating fungi, especially pathogens that produce mycotoxins, is problematic since effective method for intervening fungal infection on food crops is often limited. Generally Regarded As Safe (GRAS) chemicals, such as natural compounds or their structural derivatives, can be developed as antimicrobial agents for sustainable food/crop production. This study identified that long-chain alkyl gallates, i.e., octyl-, nonyl-, and decyl gallates (OG (octyl 3,4,5-trihydroxybenzoic acid), NG, DG), can function as heat-sensitizing agents that effectively prevent fungal contamination. Out of twenty-eight candidate compounds and six conventional antifungal agents examined, the heat-sensitizing capacity was unique to the long-chain alkyl gallates, where OG exhibited the highest activity, followed by DG and NG. Since OG is a GRAS compound classified by the United States Food and Drug Administration (FDA), further in vitro antifungal studies were performed using OG. When OG and mild heat (57.5°C) were co-administered for 90 seconds, the treatment achieved > 99.999% fungal death (> 5 log reduction). Application of either treatment alone was significantly less effective at reducing fungal survival. Of note, co-application of OG (3 mM) and mild heat (50°C) for 20 minutes completely prevented the survival of aflatoxigenic Aspergillus flavus contaminating crop seeds (Brassica rapa Pekinensis), while seed germination rate was unaffected. Heat-sensitization was also determined in selected bacterial strains (Escherichia coli, Agrobacterium tumefaciens). Altogether, OG is an effective heat-sensitizing agent for control of microbial pathogens. OG-mediated heat sensitization will improve the efficacy of antimicrobial practices, achieving safe, rapid, and cost-effective pathogen control in agriculture/food industry settings.
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Affiliation(s)
- Jong H. Kim
- Foodborne Toxin Detection and Prevention Research Unit, Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture (USDA-ARS), Albany, CA, United States
| | - Kathleen L. Chan
- Foodborne Toxin Detection and Prevention Research Unit, Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture (USDA-ARS), Albany, CA, United States
| | - William M. Hart-Cooper
- Bioproducts Research Unit, Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture (USDA-ARS), Albany, CA, United States
| | - Jeffrey D. Palumbo
- Foodborne Toxin Detection and Prevention Research Unit, Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture (USDA-ARS), Albany, CA, United States
| | - William J. Orts
- Bioproducts Research Unit, Western Regional Research Center, Agricultural Research Service, United States Department of Agriculture (USDA-ARS), Albany, CA, United States
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Alvarenga VO, Brito LM, Lacerda ICA. Application of mathematical models to validate emerging processing technologies in food. Curr Opin Food Sci 2022. [DOI: 10.1016/j.cofs.2022.100928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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6
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Non-thermal techniques and the “hurdle” approach: How is food technology evolving? Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.12.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Yan Q, Mei J, Li D, Xie J. Application of sonodynamic technology and sonosensitizers in food sterilization: a review of developments, trends and challenges. Crit Rev Food Sci Nutr 2022; 64:740-759. [PMID: 35950483 DOI: 10.1080/10408398.2022.2108368] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Food safety and food waste have always been hot topics of discussion in recent years. However, the infection of human pathogenic bacteria and the waste of food resources caused by microbial-contaminated food remains common. Although traditional sterilization technology has been very mature, it causes changes in food flavor and excessive energy consumption to a certain extent. Moreover, the widespread bacterial resistance has also sounded a warning for researchers and finding a new alternative to antibiotics is urgently needed. The application of sonodynamic sterilization technology in medical treatment has aroused the interest of researchers. It provides ideas for new food sterilization technology. As a new non-thermal sterilization technology, sonodynamic sterilization technology has strong penetration, safety, less residue and by-products, and will less change the quality of the food itself. Therefore, sonodynamic sterilization technology has great potential applied in food sterilization technology. This review describes the concept of sonodynamic sterilization technology, the sterilization mechanism of sonodynamic sterilization and the inactivation mechanism of various pathogens, the classification and application of sonosensitizers, and the ultrasonic technology in sonodynamic sterilization in the application over the recent years. It provides a scientific reference for the application of sonodynamic sterilization technology in the field of food sterilization.
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Affiliation(s)
- Qi Yan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Jun Mei
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Dapeng Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, China
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Obileke K, Onyeaka H, Miri T, Nwabor OF, Hart A, Al‐Sharify ZT, Al‐Najjar S, Anumudu C. Recent advances in radio frequency, pulsed light, and cold plasma technologies for food safety. J FOOD PROCESS ENG 2022. [DOI: 10.1111/jfpe.14138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- KeChrist Obileke
- Department of Physics, Renewable Energy Research Centre University of Fort Hare Alice Eastern Cape South Africa
| | - Helen Onyeaka
- School of Chemical Engineering University of Birmingham Birmingham UK
| | - Taghi Miri
- School of Chemical Engineering University of Birmingham Birmingham UK
| | - Ozioma Forstinus Nwabor
- Natural Products Research Centre of Excellence, Division of Biological Science Prince of Songkla University Hat Yai Songkhla Thailand
| | - Abarasi Hart
- Department of Chemical and Biological Engineering University of Sheffield Sheffield South Yorkshire UK
| | - Zainab T. Al‐Sharify
- School of Chemical Engineering University of Birmingham Birmingham UK
- Environmental Engineering Department Mustansiriyah University Baghdad Iraq
| | - Shahad Al‐Najjar
- Chemical Engineering Department Al‐Nahrian University Baghdad Iraq
| | - Christian Anumudu
- School of Chemical Engineering University of Birmingham Birmingham UK
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Ahmed S, Akther S, Alam SMS, Ahiduzzaman M, Islam MN, Azam MS. Individual and combined effects of electrolyzed water and ultrasound treatment on microbial decontamination and shelf life extension of fruits and vegetables: A review of potential mechanisms. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shafi Ahmed
- Department of Agro Product Processing Technology Jashore University of Science and Technology Jasho re Bangladesh
| | - Sharmin Akther
- Department of Agro Product Processing Technology Jashore University of Science and Technology Jasho re Bangladesh
| | - S. M. Shamiul Alam
- Department of Agro Product Processing Technology Jashore University of Science and Technology Jasho re Bangladesh
| | - Md Ahiduzzaman
- Department of Agro‐Processing Bangabandhu Sheikh Mujibur Rahman Agricultural University Gazipur Bangladesh
| | - Md. Nahidul Islam
- Department of Agro‐Processing Bangabandhu Sheikh Mujibur Rahman Agricultural University Gazipur Bangladesh
| | - Md. Shofiul Azam
- Department of Chemical and Food Engineering Dhaka University of Engineering & Technology Gazipur Bangladesh
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Jafarpour D, Hashemi SMB, Mousavifard M. Inactivation kinetics of pathogenic bacteria in persimmon using the combination of thermosonication and formic acid. FOOD SCI TECHNOL INT 2022; 29:383-394. [PMID: 35450450 DOI: 10.1177/10820132221095718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Four models (Baranyi, modified Gompertz, log-logistic and Weibull models) were applied to examine the performance of thermosonication (TS) and formic acid (FA), individually and in combination, at three temperatures (40, 50, and 60°C) for the inactivation of pathogens inoculated on persimmon. Results indicated that all nonlinear kinetic models provided a good fit to data; however, the Baranyi showed the best performance in fitting data. The combined treatment of FA and TS had a higher negative impact on the microbial population compared to each treatment alone. The highest lethal impact was observed at 60 °C and in TS-3%FA treatment, which reduced the initial population of Escherichia coli, Salmonella enterica subsp. enterica, and Listeria monocytogenes (8.1 log CFU/mL) to 2.2, 1.6, and 1.3 log CFU/mL, respectively. Hence, the obtained models can be used to predict the inactivation of pathogens in a food model subjected to the combined treatment of thermosonication and FA.
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Affiliation(s)
- Dornoush Jafarpour
- Department of Food Science and Technology, Faculty of Agriculture, Fasa Branch, 201541Islamic Azad University, Fasa, Iran
| | | | - Maryam Mousavifard
- Department of Civil Engineering, Faculty of Engineering, 528866Fasa University, Fasa, Iran
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11
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Chen L, Liu Q, Zhao X, Zhang H, Pang X, Yang H. Inactivation efficacies of lactic acid and mild heat treatments against Escherichia coli strains in organic broccoli sprouts. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108577] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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12
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Chen BK, Wang CK. Electrolyzed Water and Its Pharmacological Activities: A Mini-Review. Molecules 2022; 27:1222. [PMID: 35209015 PMCID: PMC8877615 DOI: 10.3390/molecules27041222] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/04/2022] [Accepted: 02/08/2022] [Indexed: 02/01/2023] Open
Abstract
Electrolyzed water (EW) is a new type of cleaning and disinfecting agent obtained by means of electrolysis with a dilute sodium chloride solution. It has low cost and harm to the human body and is also friendly to the environment. The anode produces acidic electrolyzed water (AEW), which is mainly used to inhibit bacterial growth and disinfect. The cathode provides basic electrolyzed water (BEW), which is implemented to promote human health. EW is a powerful multifunctional antibacterial agent with a wide range of applications in the medicine, agriculture, and food industry. Studies in vitro and in vivo show that it has an inhibitory effect on pathogenic bacteria and viruses. Therefore, EW is used to prevent chronic diseases, while it has been found to be effective against various kinds of infectious viruses. Animal experiments and clinical trials clearly showed that it accelerates wound healing, and has positive effects in oral health care, anti-obesity, lowering blood sugar, anti-cancer and anti-infectious viral diseases. This review article summarizes the application of EW in treating bacteria and viruses, the prevention of chronic diseases, and health promotion.
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Affiliation(s)
| | - Chin-Kun Wang
- Department of Nutrition, Chung Shan Medical University, 110, Section 1, Jianguo North Road, Taichung 40201, Taiwan;
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Sun J, Wang D, Zhang J, Sun Z, Xiong Q, Liu F. Antibacterial and Antibiofilm Effect of Ultrasound and Mild Heat Against a Multidrug-Resistant Klebsiella pneumoniae Stain Isolated from Meat of Yellow-Feathered Chicken. Foodborne Pathog Dis 2021; 19:70-79. [PMID: 34883029 DOI: 10.1089/fpd.2021.0025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Klebsiella pneumoniae is an important foodborne pathogen with high biofilm-forming ability, which is continuously detected in food products in recent years. The antibacterial and antibiofilm activities and mechanism of ultrasonication in combination with heat treatment against K. pneumoniae were studied. K. pneumoniae planktonic and biofilm cells were treated with ultrasound (US), mild heat treatment (HT50, HT60, and HT70), and combinations of US and mild heat treatment (UH50, UH60, and UH70) for 5, 10, 20, 30, and 60 min. Results showed that the combination of US and mild heat treatment was more effective in inactivating K. pneumoniae planktonic and biofilm cells than the single treatment by counting viable bacteria. In addition, confocal laser scanning microscopy, scanning electron microscopy, and analysis of leakage of intracellular substances have revealed that the combination treatment effectively damaged the integrity of bacterial cell membrane and increased cell permeability, which led to the quick release of adenosine triphosphate (ATP) and macromolecular substances of nucleic acids and proteins. Moreover, the activities of respiratory chain dehydrogenase in planktonic and biofilm cells significantly decreased after UH treatment. The results indicated that ultrasonication and mild heat treatment had a synergistic effect on the inactivation of K. pneumoniae planktonic and biofilm cells by damaging the cell membrane and inhibiting intercellular cell respiration.
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Affiliation(s)
- Jinyue Sun
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, China.,Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Debao Wang
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Jiaojiao Zhang
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Zhilan Sun
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Qiang Xiong
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing, China
| | - Fang Liu
- Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, China
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Sun J, Wang D, Sun Z, Liu F, Du L, Wang D. The combination of ultrasound and chlorogenic acid to inactivate Staphylococcus aureus under planktonic, biofilm, and food systems. ULTRASONICS SONOCHEMISTRY 2021; 80:105801. [PMID: 34688141 PMCID: PMC8551818 DOI: 10.1016/j.ultsonch.2021.105801] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 05/03/2023]
Abstract
This study aimed to investigate the mechanism of different treatments, namely, ultrasound (US), chlorogenic acid (CA), and ultrasound combined with chlorogenic acid (US plus CA) on the inactivation of Staphylococcus aureus planktonic and biofilm cells. Results showed that the combined treatment of US and CA exhibited remarkable synergistic antibacterial and antibiofilm effects. Scanning electron microscopy images indicated that the combined treatment of US and CA caused the most serious damage to the cell morphology. Confocal laser scanning microscopy images revealed that the combined treatment led to sharp increase and severe damage to the permeability of the cell membrane, causing the release of ATP and nucleic acids and decreasing the exopolysaccharide contents in S. aureus biofilm. Finally, the combined treatment of US plus 1% CA for 60 min inactivated S. aureus cells by 1.13 lg CFU/g on mutton. Thus, the combined treatment of US and CA had synergistic effect against S. aureus under planktonic, biofilm, and food systems.
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Affiliation(s)
- Jinyue Sun
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China; Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Debao Wang
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China; Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Zhilan Sun
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China; Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Fang Liu
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China; Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
| | - Lihui Du
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China.
| | - Daoying Wang
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base, Ministry of Science and Technology, Nanjing 210014, China; Institute of Agricultural Products Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
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Lan W, Lang A, Zhou D, Xie J. Combined effects of ultrasound and slightly acidic electrolyzed water on quality of sea bass (Lateolabrax Japonicus) fillets during refrigerated storage. ULTRASONICS SONOCHEMISTRY 2021; 81:105854. [PMID: 34861558 PMCID: PMC8640540 DOI: 10.1016/j.ultsonch.2021.105854] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 11/16/2021] [Accepted: 11/28/2021] [Indexed: 05/04/2023]
Abstract
A novel technique for sea bass (Lateolabrax Japonicus) fillets by combining ultrasound (US) and slightly acidic electrolyzed water (SAEW) to inactivate bacteria and maintain quality was developed. Samples were treated with distilled water (DW), US, SAEW and ultrasound combined with slightly acidic electrolyzed water (US + SAEW) for 10 min, respectively. The results suggested that US + SAEW treatment could retard the increase of total viable counts (TVC), Pseudomonas bacteria counts and H2S-producing bacteria counts, which also inhibit the rise of total volatile basis nitrogen (TVB-N), thiobarbituric acid (TBA), pH and K value. In addition, compared with SAEW or US treatment alone, US + SAEW treatment had distinctly effects on inhibiting protein degradation and maintaining better sensory scores. Compared with DW group, the shelf life of sea bass treated with US + SAEW was increased for another 4 days. It indicated that the combined treatment of US and SAEW could be used to the preservation of sea bass.
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Affiliation(s)
- Weiqing Lan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
| | - Ai Lang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Dapeng Zhou
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
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17
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Nasir AM, Awang N, Hubadillah SK, Jaafar J, Othman MHD, Wan Salleh WN, Ismail AF. A review on the potential of photocatalysis in combatting SARS-CoV-2 in wastewater. JOURNAL OF WATER PROCESS ENGINEERING 2021; 42:102111. [PMID: 35592059 PMCID: PMC8084616 DOI: 10.1016/j.jwpe.2021.102111] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/25/2021] [Accepted: 04/25/2021] [Indexed: 05/09/2023]
Abstract
Photocatalytic technology offers powerful virus disinfection in wastewater via oxidative capability with minimum harmful by-products generation. This review paper aims to provide state-of-the-art photocatalytic technology in battling transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in wastewater. Prior to that, the advantages and limitations of the existing conventional and advanced oxidation processes for virus disinfection in water systems were thoroughly examined. A wide spectrum of virus degradation by various photocatalysts was then considered to understand the potential mechanism for deactivating this deadly virus. The challenges and future perspectives were comprehensively discussed at the end of this review describing the limitations of current photocatalytic technology and suggesting a realistic outlook on advanced photocatalytic technology as a potential solution in dealing with similar upcoming pandemics. The major finding of this review including discovery of a vision on the possible photocatalytic approaches that have been proven to be outstanding against other viruses and subsequently combatting SARS-CoV-2 in wastewater. This review intends to deliver insightful information and discussion on the potential of photocatalysis in battling COVID-19 transmission through wastewater.
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Affiliation(s)
- Atikah Mohd Nasir
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Nuha Awang
- Facilities Maintenance Engineering Section, Malaysian Institute of Industrial Technology, Universiti Kuala Lumpur, Persiaran Sinaran Ilmu, Bandar Seri Alam, 81750, Johor, Malaysia
| | - Siti Khadijah Hubadillah
- School of Technology Management and Logistics, Universiti Utara Malaysia, Sintok, Kedah, 06010, Malaysia
| | - Juhana Jaafar
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Mohd Hafiz Dzarfan Othman
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Wan Norhayati Wan Salleh
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
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18
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Kim GH, Lee CL, Yoon KS. Combined Hurdle Technologies Using UVC Waterproof LED for Inactivating Foodborne Pathogens on Fresh-Cut Fruits. Foods 2021; 10:foods10081712. [PMID: 34441489 PMCID: PMC8394945 DOI: 10.3390/foods10081712] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/15/2021] [Accepted: 07/19/2021] [Indexed: 11/23/2022] Open
Abstract
This study investigated the combined bactericidal efficacy of slightly acidic electrolyzed water (SAEW), fumaric acid (FA), and ultravioletC waterproof light-emitting diodes (UVC W-LED) for the control of Staphylococcus aureus and Listeria monocytogenes in fresh-cut fruits. Cherry tomato, grape, apple, and pineapple were inoculated with S. aureus and L. monocytogenes and then washed with 30 ppm SAEW containing 0.5% FA in a container equipped with two UVC W-LEDs. Behaviors of S. aureus and L. monocytogenes and quality properties of fresh-cut fruits were monitored after storage at 10 °C and 15 °C for 7 days. The most effective reductions of S. aureus (1.65 log CFU/g) and L. monocytogenes (2.63 log CFU/g) were observed in the group with the combined treatment of SAEW + FA and UVC W-LED. At 10 °C and 15 °C, populations of both pathogens in the combined treatment group were lower than those in a control. Combined treatment showed no negative effect on moisture retention in the fruit. Moreover, visual changes were less significant than in the control. These results demonstrate that the combined treatment can improve the microbial safety and the quality of fruits. If it is properly used in the sanitizing step of the fresh produce industry, a positive effect can be expected.
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Chacha JS, Zhang L, Ofoedu CE, Suleiman RA, Dotto JM, Roobab U, Agunbiade AO, Duguma HT, Mkojera BT, Hossaini SM, Rasaq WA, Shorstkii I, Okpala COR, Korzeniowska M, Guiné RPF. Revisiting Non-Thermal Food Processing and Preservation Methods-Action Mechanisms, Pros and Cons: A Technological Update (2016-2021). Foods 2021; 10:1430. [PMID: 34203089 PMCID: PMC8234293 DOI: 10.3390/foods10061430] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 12/05/2022] Open
Abstract
The push for non-thermal food processing methods has emerged due to the challenges associated with thermal food processing methods, for instance, high operational costs and alteration of food nutrient components. Non-thermal food processing involves methods where the food materials receive microbiological inactivation without or with little direct application of heat. Besides being well established in scientific literature, research into non-thermal food processing technologies are constantly on the rise as applied to a wide range of food products. Due to such remarkable progress by scientists and researchers, there is need for continuous synthesis of relevant scientific literature for the benefit of all actors in the agro-food value chain, most importantly the food processors, and to supplement existing information. This review, therefore, aimed to provide a technological update on some selected non-thermal food processing methods specifically focused on their operational mechanisms, their effectiveness in preserving various kinds of foods, as revealed by their pros (merits) and cons (demerits). Specifically, pulsed electric field, pulsed light, ultraviolet radiation, high-pressure processing, non-thermal (cold) plasma, ozone treatment, ionizing radiation, and ultrasound were considered. What defines these techniques, their ability to exhibit limited changes in the sensory attributes of food, retain the food nutrient contents, ensure food safety, extend shelf-life, and being eco-friendly were highlighted. Rationalizing the process mechanisms about these specific non-thermal technologies alongside consumer education can help raise awareness prior to any design considerations, improvement of cost-effectiveness, and scaling-up their capacity for industrial-level applications.
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Affiliation(s)
- James S. Chacha
- Department of Food Technology, Nutrition, and Consumer Sciences, Sokoine University of Agriculture, P.O. Box 3006 Chuo Kikuu, Tanzania; (R.A.S.); (B.T.M.)
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (L.Z.); (U.R.); (A.O.A.); (H.T.D.)
| | - Liyan Zhang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (L.Z.); (U.R.); (A.O.A.); (H.T.D.)
| | - Chigozie E. Ofoedu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (L.Z.); (U.R.); (A.O.A.); (H.T.D.)
- Department of Food Science and Technology, School of Engineering and Engineering Technology, Federal University of Technology, Owerri 460114, Nigeria
| | - Rashid A. Suleiman
- Department of Food Technology, Nutrition, and Consumer Sciences, Sokoine University of Agriculture, P.O. Box 3006 Chuo Kikuu, Tanzania; (R.A.S.); (B.T.M.)
| | - Joachim M. Dotto
- School of Life Sciences and Bioengineering, Nelson Mandela African Institution of Science and Technology, P.O. Box 447 Arusha, Tanzania;
| | - Ume Roobab
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (L.Z.); (U.R.); (A.O.A.); (H.T.D.)
| | - Adedoyin O. Agunbiade
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (L.Z.); (U.R.); (A.O.A.); (H.T.D.)
- Department of Food Technology, University of Ibadan, Ibadan 200284, Nigeria
| | - Haile Tesfaye Duguma
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; (L.Z.); (U.R.); (A.O.A.); (H.T.D.)
- Department of Post-Harvest Management, College of Agriculture and Veterinary Medicine, Jimma University, P.O. Box 378 Jimma, Ethiopia
| | - Beatha T. Mkojera
- Department of Food Technology, Nutrition, and Consumer Sciences, Sokoine University of Agriculture, P.O. Box 3006 Chuo Kikuu, Tanzania; (R.A.S.); (B.T.M.)
| | - Sayed Mahdi Hossaini
- DIL German Institute of Food Technologies, Prof.-von-Klitzing-Str. 7, D-49610 Quakenbrück, Germany;
| | - Waheed A. Rasaq
- Department of Applied Bioeconomy, Wrocław University of Environmental and Life Sciences, 51-630 Wrocław, Poland;
| | - Ivan Shorstkii
- Department of Technological Equipment and Life-Support Systems, Kuban State Technological University, 350072 Krasnodar, Russia;
| | - Charles Odilichukwu R. Okpala
- Faculty of Biotechnology and Food Sciences, Wroclaw University of Environmental and Life Sciences, 51-630 Wrocław, Poland;
| | - Malgorzata Korzeniowska
- Faculty of Biotechnology and Food Sciences, Wroclaw University of Environmental and Life Sciences, 51-630 Wrocław, Poland;
| | - Raquel P. F. Guiné
- CERNAS Research Centre, Polytechnic Institute of Viseu, 3504-510 Viseu, Portugal
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Aaliya B, Valiyapeediyekkal Sunooj K, Navaf M, Parambil Akhila P, Sudheesh C, Ahmad Mir S, Sabu S, Sasidharan A, Theingi Hlaing M, George J. Recent trends in bacterial decontamination of food products by hurdle technology: A synergistic approach using thermal and non-thermal processing techniques. Food Res Int 2021; 147:110514. [PMID: 34399492 DOI: 10.1016/j.foodres.2021.110514] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 05/14/2021] [Accepted: 06/09/2021] [Indexed: 01/01/2023]
Abstract
Researchers are continuously discovering varied technologies for microbial control to ensure worldwide food safety from farm-to-fork. The microbial load and virulence of spoilage causing microorganisms, including bacteria, fungi, yeasts, virus, and protozoa, determines the extent of microbial contamination in a food product. Certain pathogenic microbes can cause food poisoning and foodborne diseases, and adversely affect consumers' health. To erade such food safety-related problems, various traditional and novel food processing methods have been adopted for decades. However, some decontamination techniques bring undesirable changes in food products by affecting their organoleptic and nutritional properties. Combining various thermal and non-thermal food processing methods is an effective way to impart a synergistic effect against food spoilage microorganisms and can be used as an alternative way to combat certain limitations of food processing technologies. The combination of different techniques as hurdles put the microorganisms in a hostile environment and disturbs the homeostasis of microorganisms in food temporarily or permanently. Optimization and globalization of these hurdle combinations is an emerging field in the food processing sector. This review gives an overview of recent inventions in hurdle technology for bacterial decontamination, combining different thermal and non-thermal processing techniques in various food products.
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Affiliation(s)
- Basheer Aaliya
- Department of Food Science and Technology, Pondicherry University, Puducherry 605014, India
| | | | - Muhammed Navaf
- Department of Food Science and Technology, Pondicherry University, Puducherry 605014, India
| | | | - Cherakkathodi Sudheesh
- Department of Food Science and Technology, Pondicherry University, Puducherry 605014, India
| | - Shabir Ahmad Mir
- Department of Food Science and Technology, Government College for Women, M. A. Road, Srinagar, Jammu and Kashmir 190001, India
| | - Sarasan Sabu
- School of Industrial Fisheries, Cochin University of Science and Technology, Kochi 682016, India
| | - Abhilash Sasidharan
- Department of Fish Processing Technology, Kerala University of Fisheries and Ocean Studies, Kochi 682506, India
| | | | - Johnsy George
- Food Engineering and Packaging Division, Defence Food Research Laboratory, Mysore 570011, India
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21
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Li L, Mu TH, Zhang M. Contribution of ultrasound and slightly acid electrolytic water combination on inactivating Rhizopus stolonifer in sweet potato. ULTRASONICS SONOCHEMISTRY 2021; 73:105528. [PMID: 33773434 PMCID: PMC8027897 DOI: 10.1016/j.ultsonch.2021.105528] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/03/2021] [Accepted: 03/11/2021] [Indexed: 05/19/2023]
Abstract
Effects of ultrasound (US, 300, 400, and 500 W) and slightly acidic electrolyzed water (SAEW, 10, 30, and 50 mg/L) combination on inactivating Rhizopus stolonifer in sweet potato tuberous roots (TRs) were investigated. US at 300, 400, and 500 W simultaneous SAEW with available chlorine concentration of 50 mg/L at 40 and 55 °C for 10 min significantly inhibited colony diameters (from 90.00 to 6.00-71.62 mm) and spores germination (p < 0.05). US + SAEW treatment could destroy cell membrane integrity and lead to the leakage of nucleic acids and proteins (p < 0.05). Scanning and transmission electron microscopy results showed that US + SAEW treatment could damage ultrastructure of R. stolonifer, resulted in severe cell-wall pitting, completely disrupted into debris, apparent separation of plasma wall, massive vacuoles space, and indistinct intracellular organelles. US500 + SAEW50 treatment at 40 and 55 °C increased cell membrane permeability, and decreased mitochondrial membrane potential of R. stolonifer. In addition, US500 + SAEW50 at 40 °C and US300 + SAEW50 at 55 °C controlled R. stolonifer growth in sweet potato TRs during 20 days of storage, suggesting effective inhibition on the infection of R. stolonifer. Therefore, US + SAEW treatment could be a new efficient alternative method for storing and preserving sweet potato TRs.
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Affiliation(s)
- Lulu Li
- Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, No. 2 Yuan Ming Yuan West Road, Haidian District, PO Box 5109, Beijing 100193, China
| | - Tai-Hua Mu
- Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, No. 2 Yuan Ming Yuan West Road, Haidian District, PO Box 5109, Beijing 100193, China.
| | - Miao Zhang
- Laboratory of Food Chemistry and Nutrition Science, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, No. 2 Yuan Ming Yuan West Road, Haidian District, PO Box 5109, Beijing 100193, China.
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22
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Giannakourou MC, Tsironi TN. Application of Processing and Packaging Hurdles for Fresh-Cut Fruits and Vegetables Preservation. Foods 2021; 10:830. [PMID: 33920447 PMCID: PMC8068883 DOI: 10.3390/foods10040830] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/07/2021] [Accepted: 04/09/2021] [Indexed: 12/15/2022] Open
Abstract
Recently, consumers' demand for fresh, nutritious, and convenient food has shown a significant rise. This trend has forced increased sales of minimally processed and/or pre-packed fruit- and vegetable-based products. New product development and the diversification of plant-based foods have supported this growth. The food production sector should balance this requirement with the necessity to provide safe food with extended shelf life while meeting consumer demands for novel, nutritious, and affordable food products. The use of alternative "soft hurdles" may result in a decrease in the rate of food deterioration and spoilage attributed to microbial activity or other physiological/chemical degradation reactions. The objective of the article is to provide a systematic review of the preservative effect of the available hurdles implemented during processing and packaging of fresh-cut fruits and vegetables, focusing on recent applications aiming at improving product quality and prolonging their limited shelf life.
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Affiliation(s)
- Maria C. Giannakourou
- Laboratory of Chemistry, Analysis & Design of Food Processes, Department of Food Science and Technology, School of Food Sciences, University of West Attica, Agiou Spyridonos, 12243 Athens, Greece;
| | - Theofania N. Tsironi
- Laboratory of Food Process Engineering, Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
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23
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Control Measures of Pathogenic Microorganisms and Shelf-Life Extension of Fresh-Cut Vegetables. Foods 2021; 10:foods10030655. [PMID: 33808683 PMCID: PMC8003346 DOI: 10.3390/foods10030655] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/13/2021] [Accepted: 03/15/2021] [Indexed: 01/04/2023] Open
Abstract
We investigated the combined effect of using slightly acidic electrolyzed water (SAEW), ultrasounds (US), and ultraviolet-C light-emitting diodes (UV-C LED; 275 nm) for decreasing pathogenic Escherichia coli and Staphylococcus aureus (SEA) in fresh-cut vegetables, including carrots, celery, paprika, and cabbage. Survival of pathogenic E. coli and SEA and quality properties of fresh-cut vegetables at 5 and 15 °C for 7 days were also investigated. When combined treatment (SAEW + US + UV-C LED) was applied to fresh-cut vegetables for 3 min, its microbial reduction effect was significantly higher (0.97~2.17 log CFU/g) than a single treatment (p < 0.05). Overall, the reduction effect was more significant for SEA than for pathogenic E. coli. At 5 °C, SAEW + US and SAEW + US + UV-C LED treatments reduced populations of pathogenic E. coli and SEA in all vegetables. At 15 °C, SAEW + US + UV-C LED treatment inhibited the growth of both pathogens in carrot and celery and extended the shelf life of fresh-cut vegetables by preventing color changes in all vegetables. Although the effects of treatments varied depending on the characteristics of the vegetables and pathogens, UV-C LED can be suggested as a new hurdle technology in fresh-cut vegetable industry.
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Abstract
Electrolyzed oxidizing water (EOW) is one of the promising novel antimicrobial agents that have recently been proposed as the alternative to conventional decontamination methods such as heat and chemical sanitizers. Acidic EOW with pH ranging from 2 to 5 is regarded most applicable in the antimicrobial treatment of vegetables and meats. Neutral and alkaline electrolyzed water have also been explored in few studies for their applications in the food industry. Neutral electrolyzed water is proposed to solve the problems related to the storage and corrosion effect of acidic EOW. Recently, the research focus has been shifted toward the application of slightly acidic EOW as more effective with some supplemental physical and chemical treatment methods such as ultrasound and UV radiations. The different applications of electrolyzed water range from drinking water and wastewater to food, utensil, and hard surfaces. The recent studies also conclude that electrolyzed water is more effective in suspensions as compared with the food surfaces where longer retention times are required. The commercialization of EOW instruments is not adopted frequently in many countries due to the potential corrosion problems associated with acidic electrolyzed water. This review article summarizes the EOW types and possible mechanism of action as well as highlights the most recent research studies in the field of antimicrobial applications and cleaning. Electrolyzed water can replace conventional chemical decontamination methods in the industry and household. However, more research is needed to know its actual mechanism of antimicrobial action along with the primary concerns related to EOW in the processing of different food products.
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25
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Quantifying and modelling the inactivation of Listeria monocytogenes by electrolyzed water on food contact surfaces. J FOOD ENG 2021. [DOI: 10.1016/j.jfoodeng.2020.110287] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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26
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Luan C, Zhang M, Fan K, Devahastin S. Effective pretreatment technologies for fresh foods aimed for use in central kitchen processing. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:347-363. [PMID: 32564354 DOI: 10.1002/jsfa.10602] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 06/14/2020] [Accepted: 06/21/2020] [Indexed: 06/11/2023]
Abstract
The central kitchen concept is a new trend in the food industry, where centralized preparation and processing of fresh foods and the distribution of finished or semi-finished products to catering chains or related units take place. Fresh foods processed by a central kitchen mainly include fruit and vegetables, meat, aquatic products, and edible fungi; these foods have high water activities and thermal sensitivities and must be processed with care. Appropriate pretreatments are generally required for these food materials; typical pretreatment processes include cleaning, enzyme inactivation, and disinfection, as well as packaging and coating. To improve the working efficiency of a central kitchen, novel efficient pretreatment technologies are needed. This article systematically reviews various high-efficiency pretreatment technologies for fresh foods. These include ultrasonic cleaning technologies, physical-field enzyme inactivation technologies, non-thermal disinfection technologies, and modified-atmosphere packagings and coatings. Mechanisms, applications, influencing factors, and advantages and disadvantages of these technologies, which can be used in a central kitchen, are outlined and discussed. Possible solutions to problems related to central-kitchen food processing are addressed, including low cleaning efficiency and automation feasibility, high nutrition loss, high energy consumption, and short shelf life of products. These should lead us to the next step of fresh food processing for a highly demanding modern society. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Chunning Luan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, China
| | - Min Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- Jiangsu Province Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University, Wuxi, China
| | - Kai Fan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- Yechun Food Production and Distribution Co., Ltd, Yangzhou, China
| | - Sakamon Devahastin
- Advanced Food Processing Research Laboratory, Department of Food Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi, Bangkok, Thailand
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27
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A Review on Individual and Combination Technologies of UV-C Radiation and Ultrasound in Postharvest Handling of Fruits and Vegetables. Processes (Basel) 2020. [DOI: 10.3390/pr8111433] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Ultraviolet-C radiation and ultrasound technology are widely accepted and continuously being appraised as alternatives to conventional thermal techniques for decontamination of fruits and vegetables. However, studies in these areas have presented challenges related to quality, safety, limited capability, and cost of energy. This review paper presents an up-to-date summary of applications of ultraviolet-C radiation and ultrasound technology for postharvest handling of fruits and vegetables from relevant literature. The limitations associated with applications of ultraviolet-C radiation and ultrasound technology individually has prompted their combination alongside other antimicrobial strategies for enhanced bactericidal effect. The combination of ultraviolet-C radiation and ultrasound technology as a hurdle approach also provides enhanced efficiency, cost effectiveness, and reduced processing time without compromising quality. The review includes further scope of industrial-led collaboration and commercialization of ultraviolet-C radiation and ultrasound technology such as scale-up studies and process optimization.
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Rodrigues Marques Ferreira ÍH, de Souza Pedrosa GT, Jung J, Ferreira de Melo AN, Campagnollo FB, Schaffner DW, Magnani M. Modeling Salmonella enterica fate in fresh-cut pepper (Capsicum annuum L.) during storage as a function of temperature and relative humidity. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109849] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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29
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Taiye Mustapha A, Zhou C, Wahia H, Amanor-Atiemoh R, Otu P, Qudus A, Abiola Fakayode O, Ma H. Sonozonation: Enhancing the antimicrobial efficiency of aqueous ozone washing techniques on cherry tomato. ULTRASONICS SONOCHEMISTRY 2020; 64:105059. [PMID: 32171683 DOI: 10.1016/j.ultsonch.2020.105059] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/04/2020] [Accepted: 03/06/2020] [Indexed: 06/10/2023]
Abstract
Ultrasound requires high power and longer treatment times to inactivate microorganisms when compared to ultrasound combined with other technologies. Also, the antimicrobial efficiency of aqueous ozone increases with an increase in its concentration and exposure time, but with a detrimental effect on the quality of the treated food. In this study, the effect of aqueous ozone at low concentration, multi-mode frequency irradiation and their combination on microbial safety and nutritional quality of cherry tomato was investigated. Individual washing with aqueous ozone and mono-mode frequency irradiation resulted in <1 log CFU/g reduction in the spoilage microorganisms, while dual-mode frequency irradiation (DMFI) resulted in higher microbial reduction (1.3-2.6 1 log CFU/g). The combined system (20/40 kHz + aqueous ozone) on the other hand, resulted in >3 log CFU/g microbial reduction. The application of DMFI enhanced the antimicrobial efficiency of aqueous ozone without any detrimental effect on the physicochemical properties (except the firmness), bioactive compounds, and antioxidants of the cherry tomato during 21 days refrigerated storage. The result obtained indicates the promising substitute to the single washing technique for microbial safety as well as preserving the nutritional quality and enhancing the shelf life of cherry tomato.
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Affiliation(s)
- Abdullateef Taiye Mustapha
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China; School of Biological and Food Engineering, Chuzhou University, Chuzhou 239000, People's Republic of China.
| | - Hafida Wahia
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Robert Amanor-Atiemoh
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Phyllis Otu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Adiamo Qudus
- Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, Queensland 4108, Australia
| | - Olugbenga Abiola Fakayode
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, People's Republic of China
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30
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Bahrami A, Moaddabdoost Baboli Z, Schimmel K, Jafari SM, Williams L. Efficiency of novel processing technologies for the control of Listeria monocytogenes in food products. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2019.12.009] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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31
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Liao N, Gong L, Chen L, Sun L, Chen J, Lou X, Mao H, Zhang Y, Zhang R. Antimicrobial effects of Chinese rice wine on Norovirus and Vibrio parahaemolyticus in traditional wine-treated mud snails (Bullacta exarata). Food Control 2020. [DOI: 10.1016/j.foodcont.2019.02.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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32
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Liu Q, Jin X, Feng X, Yang H, Fu C. Inactivation kinetics of Escherichia coli O157:H7 and Salmonella Typhimurium on organic carrot (Daucus carota L.) treated with low concentration electrolyzed water combined with short-time heat treatment. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.06.028] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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33
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Berdejo D, Pagán E, García-Gonzalo D, Pagán R. Exploiting the synergism among physical and chemical processes for improving food safety. Curr Opin Food Sci 2019. [DOI: 10.1016/j.cofs.2018.08.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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34
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Alenyorege EA, Ma H, Ayim I, Lu F, Zhou C. Efficacy of sweep ultrasound on natural microbiota reduction and quality preservation of Chinese cabbage during storage. ULTRASONICS SONOCHEMISTRY 2019; 59:104712. [PMID: 31421620 DOI: 10.1016/j.ultsonch.2019.104712] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/27/2019] [Accepted: 07/30/2019] [Indexed: 06/10/2023]
Abstract
In this study, the effect of sweep frequency ultrasound (SFUS), sodium hypochlorite (NaOCl) and their combinations (SFUS + NaOCl) in reducing and inhibiting natural microbiota as well as preserving quality of fresh-cut Chinese cabbage during storage (4 °C and 25 °C) for up to 7 days was investigated. In effect, 40 kHz sweep frequency ultrasound in combination with 100 mg/L sodium hypochlorite resulted in maximum reduction and inhibition of mesophilic counts, yeast and molds and minimum chlorophyll depletion, weight loss and electrolyte leakage. However, colour and textural characteristics deteriorated. The combined treatment suppressed the activities of polyphenol oxidase and peroxidase and manifested its preservative effect after Fourier Transform near-infrared spectroscopy analysis. Synergistic reductions were recorded in most of the combined treatments though largely <1.0 log CFU/g. Specifically, the combined treatment significantly (P < 0.05) reduced mesophilic counts by an added 2.7 log CFU/g, yeasts and molds by an added 2.0 log CFU/g when compared to the individual treatments. During storage at 4 and 25 °C, washing with SFUS + NaOCl produced Chinese cabbage with lower microbial counts, in comparison with the individual treatments. However, post-treatment storage could not entirely inhibit microbial survival as populations increased during storage even at refrigeration temperature of 4 °C. The results demonstrate that ultrasound and sodium hypochlorite are promising hurdle alternatives for the reduction and inhibition of microorganisms, as well as prolonging the shelf life and retaining the quality characteristics of Chinese cabbage.
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Affiliation(s)
- Evans Adingba Alenyorege
- School of Food and Biological Engineering, Jiangsu University, No. 301 Xuefu Road, Zhenjiang 212013, Jiangsu, PR China; Faculty of Agriculture, University for Development Studies, Tamale, Ghana.
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, No. 301 Xuefu Road, Zhenjiang 212013, Jiangsu, PR China.
| | - Ishmael Ayim
- School of Food and Biological Engineering, Jiangsu University, No. 301 Xuefu Road, Zhenjiang 212013, Jiangsu, PR China; Faculty of Applied Science, Kumasi Technical University, Kumasi, Ghana
| | - Feng Lu
- School of Food and Biological Engineering, Jiangsu University, No. 301 Xuefu Road, Zhenjiang 212013, Jiangsu, PR China
| | - Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, No. 301 Xuefu Road, Zhenjiang 212013, Jiangsu, PR China
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35
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Hussain MS, Kwon M, Park EJ, Seheli K, Huque R, Oh DH. Disinfection of Bacillus cereus biofilms on leafy green vegetables with slightly acidic electrolyzed water, ultrasound and mild heat. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108582] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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36
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Marques CS, Grillo RP, Bravim DG, Pereira PV, Oliveira Villanova JC, Pinheiro PF, Souza Carneiro JC, Bernardes PC. Preservation of ready-to-eat salad: A study with combination of sanitizers, ultrasound, and essential oil-containing β-cyclodextrin inclusion complex. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108433] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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37
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Assessing the Vacuum Spray Drying Effects on the Properties of Orange Essential Oil Microparticles. FOOD BIOPROCESS TECH 2019. [DOI: 10.1007/s11947-019-02355-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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38
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Soquetta MB, Tonato D, Quadros MM, Boeira CP, Cichoski AJ, Marsillac Terra L, Kuhn RC. Ultrasound extraction of bioactive compounds from
Citrus reticulata
peel using electrolyzed water. J FOOD PROCESS PRES 2019. [DOI: 10.1111/jfpp.14236] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
| | - Denise Tonato
- Department of Chemical Engineering Federal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Mariana Menezes Quadros
- Department of Chemical Engineering Federal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Caroline Pagnossim Boeira
- Department of Technology and Food Science Centre for Rural Sciences Federal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Alexandre José Cichoski
- Department of Technology and Food Science Centre for Rural Sciences Federal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Lisiane Marsillac Terra
- Department of Chemical Engineering Federal University of Santa Maria (UFSM) Santa Maria Brazil
| | - Raquel C. Kuhn
- Department of Chemical Engineering Federal University of Santa Maria (UFSM) Santa Maria Brazil
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39
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Pietrysiak E, Smith S, Ganjyal GM. Food Safety Interventions to Control
Listeria monocytogenes
in the Fresh Apple Packing Industry: A Review. Compr Rev Food Sci Food Saf 2019; 18:1705-1726. [DOI: 10.1111/1541-4337.12496] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 05/13/2019] [Accepted: 07/29/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Ewa Pietrysiak
- School of Food Science Washington State Univ. P.O. Box 646376 Pullman WA 99164‐6376 U.S.A
| | - Stephanie Smith
- School of Food Science Washington State Univ. P.O. Box 646376 Pullman WA 99164‐6376 U.S.A
| | - Girish M Ganjyal
- School of Food Science Washington State Univ. P.O. Box 646376 Pullman WA 99164‐6376 U.S.A
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40
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Lv R, Mingming Z, Chen W, Wang D, Zhou J, Ding T, Ye X, Liu D. A hurdle approach of acidic electrolyzed water simultaneous with ultrasound to inactivate
Bacillus cereus. J FOOD PROCESS PRES 2019. [DOI: 10.1111/jfpp.14148] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Ruiling Lv
- College of Biosystems Engineering and Food Science, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang University Hangzhou China
| | - Zou Mingming
- College of Biosystems Engineering and Food Science, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang University Hangzhou China
| | - Weijun Chen
- College of Biosystems Engineering and Food Science, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang University Hangzhou China
| | - Danli Wang
- College of Biosystems Engineering and Food Science, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang University Hangzhou China
| | - Jianwei Zhou
- College of Biosystems Engineering and Food Science, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
| | - Tian Ding
- College of Biosystems Engineering and Food Science, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang University Hangzhou China
- Fuli Institute of Food Science Zhejiang University Hangzhou China
| | - Xingqian Ye
- College of Biosystems Engineering and Food Science, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang University Hangzhou China
- Fuli Institute of Food Science Zhejiang University Hangzhou China
| | - Donghong Liu
- College of Biosystems Engineering and Food Science, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro‐Food Processing Zhejiang University Hangzhou China
- Ningbo Research Institute Zhejiang University Ningbo China
- Fuli Institute of Food Science Zhejiang University Hangzhou China
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41
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Ultrasound Processing Alone or in Combination with Other Chemical or Physical Treatments as a Safety and Quality Preservation Strategy of Fresh and Processed Fruits and Vegetables: A Review. FOOD BIOPROCESS TECH 2019. [DOI: 10.1007/s11947-019-02313-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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42
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Bhilwadikar T, Pounraj S, Manivannan S, Rastogi NK, Negi PS. Decontamination of Microorganisms and Pesticides from Fresh Fruits and Vegetables: A Comprehensive Review from Common Household Processes to Modern Techniques. Compr Rev Food Sci Food Saf 2019; 18:1003-1038. [DOI: 10.1111/1541-4337.12453] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/26/2019] [Accepted: 04/11/2019] [Indexed: 01/03/2023]
Affiliation(s)
- Tanmayee Bhilwadikar
- Dept. of Fruit and Vegetable TechnologyCSIR ‐ Central Food Technological Research Inst. Mysuru 570020 India
| | - Saranya Pounraj
- Dept. of Fruit and Vegetable TechnologyCSIR ‐ Central Food Technological Research Inst. Mysuru 570020 India
| | - S. Manivannan
- Dept. of Food Protectant and Infestation ControlCSIR ‐ Central Food Technological Research Inst. Mysuru 570020 India
| | - N. K. Rastogi
- Dept. of Food EngineeringCSIR ‐ Central Food Technological Research Inst. Mysuru 570020 India
| | - P. S. Negi
- Dept. of Fruit and Vegetable TechnologyCSIR ‐ Central Food Technological Research Inst. Mysuru 570020 India
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43
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Suwal S, Coronel-Aguilera CP, Auer J, Applegate B, Garner AL, Huang JY. Mechanism characterization of bacterial inactivation of atmospheric air plasma gas and activated water using bioluminescence technology. INNOV FOOD SCI EMERG 2019. [DOI: 10.1016/j.ifset.2018.01.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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44
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Sanitising efficacy of lactic acid combined with low-concentration sodium hypochlorite on Listeria innocua in organic broccoli sprouts. Int J Food Microbiol 2019; 295:41-48. [DOI: 10.1016/j.ijfoodmicro.2019.02.014] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 02/15/2019] [Accepted: 02/18/2019] [Indexed: 11/18/2022]
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45
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Reduction of Listeria innocua in fresh-cut Chinese cabbage by a combined washing treatment of sweeping frequency ultrasound and sodium hypochlorite. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.11.048] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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46
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Wu W, Gao H, Chen H, Fang X, Han Q, Zhong Q. Combined effects of aqueous chlorine dioxide and ultrasonic treatments on shelf-life and nutritional quality of bok choy (Brassica chinensis). Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2018.11.073] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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47
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Palanisamy N, Seale B, Turner A, Hemar Y. Low frequency ultrasound inactivation of thermophilic bacilli (Geobacillus spp. and Anoxybacillus flavithermus) in the presence of sodium hydroxide and hydrogen peroxide. ULTRASONICS SONOCHEMISTRY 2019; 51:325-331. [PMID: 30322767 DOI: 10.1016/j.ultsonch.2018.09.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 08/27/2018] [Accepted: 09/18/2018] [Indexed: 06/08/2023]
Abstract
The vegetative cells and spores of Geobacillus spp. and Anoxybacillus flavithermus were subjected to 20 kHz ultrasound with a power ∼8 W. Ultrasonication had considerable effect on vegetative cells (5-log reduction in Geobacillus spp. and 1.6-log reduction in A.flavithermus). TEM imaging of the ultrasonicated vegetative cells showed an extensive damage both internally and externally. However, spores showed high resistance towards ultrasound treatment in the absence of NaOH and H2O2, although the outer layers such as the exosporium and the outer coat layer were disrupted, resulting in the reduced resistance of spores towards sonication. The combination of 0.12 M NaOH and 10 min ultrasonication inactivated 6 log spores of Geobacillus spp. A 7 log spore reduction of A.flavithermus was achieved by combining 0.17 M NaOH with 10 min ultrasonication. Ultrasonication combined with 1% H2O2 inactivated ∼7 log Geobacillus spp. spores in 6 min and ∼7 log A.flavithermus spores in 3 min. These ultrasound treatments in the presence of NaOH and H2O2 are synergistic as they showed a greater spore reduction when compared to NaOH combined with high temperature (85 °C), where only 1 and 3 log reduction was achieved in Geobacillus spp. and A.flavithermus spores, respectively.
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Affiliation(s)
- Nandhini Palanisamy
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand
| | - Brent Seale
- School of Sciences, Auckland University of Technology, Auckland 1010, New Zealand.
| | - Adrian Turner
- School of Biological Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand
| | - Yacine Hemar
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand; The Riddet Institute, Palmerston North, New Zealand
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48
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Inactivation kinetics of slightly acidic electrolyzed water combined with benzalkonium chloride and mild heat treatment on vegetative cells, spores, and biofilms of Bacillus cereus. Food Res Int 2019; 116:157-167. [DOI: 10.1016/j.foodres.2018.08.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 07/24/2018] [Accepted: 08/02/2018] [Indexed: 11/21/2022]
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49
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Song X, Zhao H, Fang K, Lou Y, Liu Z, Liu C, Ren Z, Zhou X, Fang H, Zhu Y. Effect of platinum electrode materials and electrolysis processes on the preparation of acidic electrolyzed oxidizing water and slightly acidic electrolyzed water. RSC Adv 2019; 9:3113-3119. [PMID: 35518990 PMCID: PMC9059949 DOI: 10.1039/c8ra08929a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Accepted: 01/17/2019] [Indexed: 01/31/2023] Open
Abstract
Electrolyzed oxidizing water (EOW) can be divided into acidic electrolyzed oxidizing water (AEOW) and slightly acidic electrolyzed water (SAEW). AEOW has the characteristics of low pH (pH < 2.7) and high oxidation-reduction potential (ORP > 1100 mV). SAEW is slightly acidic (pH = 5-6) and has an ORP of 700-900 mV. AEOW and SAEW both have a certain amount of active chlorine content (ACC), so they have the characteristics of broad spectrum, rapidity and high efficiency of sterilization. At present, there is little systematic research on AEOW and SAEW preparation. However, it is very important to study the preparation process, including electrode material and electrolytic process. First, the effects of Pt electrodes with different thermal decomposition temperatures on AEOW's pH, ORP and ACC values were investigated in detail. Next, for the SAEW preparation, the process is based on the preparation of AEOW by ion-exchange membrane electrolysis, reasonably mixing the electrolyzed cathode and anode solution. The effects of technological conditions such as electrolysis time, current density and electrolyte concentration have been systematically studied, and it is expected to get SAEW with a pH value slightly less than 7, a higher ORP value and a certain amount of ACC.
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Affiliation(s)
- Xiang Song
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
| | - Hui Zhao
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
| | - Keneng Fang
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
| | - Yongshan Lou
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
| | - Zongkui Liu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
| | - Chifeng Liu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
| | - Zhandong Ren
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
| | - Xiaorong Zhou
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
| | - Hua Fang
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
| | - Yuchan Zhu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University Wuhan 430023 P. R. China
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50
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Sarkinas A, Sakalauskiene K, Raisutis R, Zeime J, Salaseviciene A, Puidaite E, Mockus E, Cernauskas D. Inactivation of some pathogenic bacteria and phytoviruses by ultrasonic treatment. Microb Pathog 2018; 123:144-148. [DOI: 10.1016/j.micpath.2018.07.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 07/04/2018] [Accepted: 07/05/2018] [Indexed: 01/01/2023]
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