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Tubby K, Forster J, Mullett M, Needham R, Smith O, Snowden J, McCartan S. Can the Seed Trade Provide a Potential Pathway for the Global Distribution of Foliar Pathogens? An Investigation into the Use of Heat Treatments to Reduce Risk of Dothistroma septosporum Transmission via Seed Stock. J Fungi (Basel) 2023; 9:1190. [PMID: 38132790 PMCID: PMC10744699 DOI: 10.3390/jof9121190] [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: 11/08/2023] [Revised: 12/04/2023] [Accepted: 12/08/2023] [Indexed: 12/23/2023] Open
Abstract
The international plant trade results in the accidental movement of invasive pests and pathogens, and has contributed significantly to recent range expansion of pathogens including Dothistroma septosporum. Seeds are usually thought to present a lower biosecurity risk than plants, but the importation of Pinus contorta seeds from North America to Britain in the mid-1900s, and similarities between British and Canadian D. septosporum populations suggests seeds could be a pathway. Dothistroma septosporum has not been isolated from seeds, but inadequately cleaned seed material could contain infected needle fragments. This case study investigated whether cone kilning, and wet and dry heat treatments could reduce D. septosporum transmission without damaging seed viability. Pinus needles infected with D. septosporum were incubated alongside cones undergoing three commercial seed extraction processes. Additional needles were exposed to temperatures ranging from 10 to 67 °C dry heat for up to 48 h, or incubated in water heated to between 20 and 60 °C for up to one hour. Pinus sylvestris seeds were exposed to 60 and 65 dry heat °C for 48 h, and further seed samples incubated in water heated to between 20 and 60 °C for up to one hour. Dothistroma septosporum survived the three kilning processes and while seeds were not damaged by dry heat exceeding 63.5 °C, at this temperature no D. septosporum survived. Wet heat treatments resulted in less than 10% pathogen survival following incubation at 40 °C, while at this temperature the seeds suffered no significant impacts, even when submerged for one hour. Thus, commercial seed kilning could allow D. septosporum transmission, but elevated wet and dry heat treatments could be applied to seed stock to minimise pathogen risk without significantly damaging seed viability.
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Affiliation(s)
- Katherine Tubby
- Forest Research, Forestry Commission, Alice Holt Lodge, Farnham GU10 4LH, UK (M.M.); (O.S.); (J.S.); (S.M.)
| | - Jack Forster
- Forest Research, Forestry Commission, Alice Holt Lodge, Farnham GU10 4LH, UK (M.M.); (O.S.); (J.S.); (S.M.)
| | - Martin Mullett
- Forest Research, Forestry Commission, Alice Holt Lodge, Farnham GU10 4LH, UK (M.M.); (O.S.); (J.S.); (S.M.)
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Technology, Phytophthora Research Centre, Mendel University in Brno, Zemědělská 3, 613 00 Brno, Czech Republic
| | - Robert Needham
- Forest Research, Forestry Commission, Alice Holt Lodge, Farnham GU10 4LH, UK (M.M.); (O.S.); (J.S.); (S.M.)
| | - Olivia Smith
- Forest Research, Forestry Commission, Alice Holt Lodge, Farnham GU10 4LH, UK (M.M.); (O.S.); (J.S.); (S.M.)
| | - James Snowden
- Forest Research, Forestry Commission, Alice Holt Lodge, Farnham GU10 4LH, UK (M.M.); (O.S.); (J.S.); (S.M.)
| | - Shelagh McCartan
- Forest Research, Forestry Commission, Alice Holt Lodge, Farnham GU10 4LH, UK (M.M.); (O.S.); (J.S.); (S.M.)
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Zhang Y, Qiu J, Yang K, Lu Y, Xu Z, Yang H, Xu Y, Wang L, Lin Y, Tong X, He J, Xiao Y, Sun X, Huang R, Yu X, Zhong T. Generation, mechanisms, kinetics, and effects of gaseous chlorine dioxide in food preservation. Compr Rev Food Sci Food Saf 2023; 22:3105-3129. [PMID: 37199492 DOI: 10.1111/1541-4337.13177] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 04/20/2023] [Accepted: 04/26/2023] [Indexed: 05/19/2023]
Abstract
Food preservation is a critical issue in ensuring food safety and quality. Growing concern around industrial pollution of food and demand for environmentally sustainable food has led to increased interest in developing effective and eco-friendly preservation techniques. Gaseous ClO2 has gained attention for its strong oxidizing properties, high efficacy in microorganism inactivation, and potential for preserving the attributes and nutritional quality of fresh food while avoiding the formation of toxic byproducts or unacceptable levels of residues. However, the widespread use of gaseous ClO2 in the food industry is limited by several challenges. These include large-scale generation, high cost and environmental considerations, a lack of understanding of its mechanism of action, and the need for mathematical models to predict inactivation kinetics. This review aims to provide an overview of the up-to-date research and application of gaseous ClO2 . It covers preparation methods, preservation mechanisms, and kinetic models that predict the sterilizing efficacy of gaseous ClO2 under different conditions. The impacts of gaseous ClO2 on the quality attributes of fresh produce and low-moisture foods, such as seeds, sprouts, and spices, are also summarized. Overall, gaseous ClO2 is a promising preservation approach, and future studies are needed to address the challenges in large-scale generation and environmental considerations and to develop standardized protocols and databases for safe and effective use in the food industry.
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Affiliation(s)
- Yujia Zhang
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Jiafan Qiu
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Kewen Yang
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Yuting Lu
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Zixian Xu
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Huanqi Yang
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Yuqing Xu
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Letao Wang
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Yu Lin
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Xinyang Tong
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Junge He
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Ying Xiao
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Xiuxiu Sun
- USDA, Agricultural Research Service, U.S. Pacific Basin Agricultural Research Center, Hilo, USA
| | - Ran Huang
- Academy for Engineering and Applied Technology, Fudan University, Shanghai, China
| | - Xi Yu
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
| | - Tian Zhong
- Faculty of Medicine, Macau University of Science and Technology, Taipa, China
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3
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Gaseous chlorine dioxide for inactivating Salmonella enterica and Enterococcus faecium NRRL B-2354 on chia seeds. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
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4
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Reduction of Aspergillus flavus and aflatoxin on almond kernels using gaseous chlorine dioxide fumigation. Food Chem 2023; 402:134161. [DOI: 10.1016/j.foodchem.2022.134161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 09/03/2022] [Accepted: 09/05/2022] [Indexed: 11/22/2022]
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5
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Effect of storage on microbial reductions after gaseous chlorine dioxide treatment of black peppercorns, cumin seeds, and dried basil leaves. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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6
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Xu S, Chen H. Vacuum packaging improved inactivation efficacy of moderate dry heat for decontamination of Salmonella on almond kernels. Int J Food Microbiol 2022; 379:109849. [DOI: 10.1016/j.ijfoodmicro.2022.109849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 07/18/2022] [Accepted: 07/24/2022] [Indexed: 11/28/2022]
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7
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Chai HE, Hwang CA, Huang L, Wu VC, Sheen LY. Efficacy of gaseous chlorine dioxide for decontamination of Salmonella, Shiga toxin-producing Escherichia coli, and Listeria monocytogenes on almonds and peppercorns. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108556] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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8
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Verma T, Wei X, Chaves BD, Howell T, Subbiah J. Antimicrobial efficacy of gaseous chlorine dioxide for inactivation of Salmonella and Enterococcus faecium NRRL B-2354 on dried basil leaves. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Rane B, Lacombe A, Guan J, Bridges DF, Sablani S, Tang J, Wu VCH. Gaseous chlorine dioxide inactivation of microbial contamination on whole black peppercorns. J Food Saf 2021. [DOI: 10.1111/jfs.12948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bhargavi Rane
- Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service United States Department of Agriculture Albany California USA
- Biological Systems Engineering Department Washington State University Pullman Washington USA
| | - Alison Lacombe
- Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service United States Department of Agriculture Albany California USA
| | - Jiewen Guan
- Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service United States Department of Agriculture Albany California USA
- Biological Systems Engineering Department Washington State University Pullman Washington USA
| | - David F. Bridges
- Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service United States Department of Agriculture Albany California USA
| | - Shyam Sablani
- Biological Systems Engineering Department Washington State University Pullman Washington USA
| | - Juming Tang
- Biological Systems Engineering Department Washington State University Pullman Washington USA
| | - Vivian C. H. Wu
- Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service United States Department of Agriculture Albany California USA
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10
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Tan JN, Hwang C, Huang L, Wu VCH, Hsiao H. A p
ilot‐scale
evaluation of using gaseous chlorine dioxide for decontamination of foodborne pathogens on produce and l
ow‐moisture
foods. J Food Saf 2021. [DOI: 10.1111/jfs.12937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jing Ni Tan
- Residue Chemistry and Predictive Microbiology Research Unit, Eastern Regional Research Center, Agricultural Research Service United States Department of Agriculture Wyndmoor Pennsylvania USA
- Department of Food Science National Taiwan Ocean University Keelung City Taiwan
| | - Cheng‐An Hwang
- Residue Chemistry and Predictive Microbiology Research Unit, Eastern Regional Research Center, Agricultural Research Service United States Department of Agriculture Wyndmoor Pennsylvania USA
| | - Lihan Huang
- Residue Chemistry and Predictive Microbiology Research Unit, Eastern Regional Research Center, Agricultural Research Service United States Department of Agriculture Wyndmoor Pennsylvania USA
| | - Vivian C. H. Wu
- Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service United States Department of Agriculture Albany California USA
| | - Hsin‐I Hsiao
- Department of Food Science National Taiwan Ocean University Keelung City Taiwan
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11
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Wason S, Verma T, Subbiah J. Validation of process technologies for enhancing the safety of low-moisture foods: A review. Compr Rev Food Sci Food Saf 2021; 20:4950-4992. [PMID: 34323364 DOI: 10.1111/1541-4337.12800] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 06/03/2021] [Accepted: 06/10/2021] [Indexed: 01/03/2023]
Abstract
The outbreaks linked to foodborne illnesses in low-moisture foods are frequently reported due to the occurrence of pathogenic microorganisms such as Salmonella Spp. Bacillus cereus, Clostridium spp., Cronobacter sakazakii, Escherichia coli, and Staphylococcus aureus. The ability of the pathogens to withstand the dry conditions and to develop resistance to heat is regarded as the major concern for the food industry dealing with low-moisture foods. In this regard, the present review is aimed to discuss the importance and the use of novel thermal and nonthermal technologies such as radiofrequency, steam pasteurization, plasma, and gaseous technologies for decontamination of foodborne pathogens in low-moisture foods and their microbial inactivation mechanisms. The review also summarizes the various sources of contamination and the factors influencing the survival and thermal resistance of pathogenic microorganisms in low-moisture foods. The literature survey indicated that the nonthermal techniques such as CO2 , high-pressure processing, and so on, may not offer effective microbial inactivation in low-moisture foods due to their insufficient moisture content. On the other hand, gases can penetrate deep inside the commodities and pores due to their higher diffusion properties and are regarded to have an advantage over thermal and other nonthermal processes. Further research is required to evaluate newer intervention strategies and combination treatments to enhance the microbial inactivation in low-moisture foods without significantly altering their organoleptic and nutritional quality.
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Affiliation(s)
- Surabhi Wason
- Department of Food Science, University of Arkansas System Division of Agriculture, Fayetteville, Arkansas, USA
| | - Tushar Verma
- Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Jeyamkondan Subbiah
- Department of Food Science, University of Arkansas System Division of Agriculture, Fayetteville, Arkansas, USA.,Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
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12
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Effects of moisture content and mild heat on the ability of gaseous chlorine dioxide against Salmonella and Enterococcus faecium NRRL B-2354 on almonds. Food Control 2021. [DOI: 10.1016/j.foodcont.2020.107732] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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León Madrazo A, Segura Campos MR. Review of antimicrobial peptides as promoters of food safety: Limitations and possibilities within the food industry. J Food Saf 2020. [DOI: 10.1111/jfs.12854] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Anaí León Madrazo
- Facultad de Ingeniería Química Universidad Autónoma de Yucatán Mérida Yucatán Mexico
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