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Martins LM, Bragagnolo N, Calori MA, Iamanaka BT, Alves MC, da Silva JJ, de Godoy IJ, Taniwaki MH. Assessment of early harvest in the prevention of aflatoxins in peanuts during drought stress conditions. Int J Food Microbiol 2023; 405:110336. [PMID: 37541018 DOI: 10.1016/j.ijfoodmicro.2023.110336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 06/14/2023] [Accepted: 07/20/2023] [Indexed: 08/06/2023]
Abstract
The present study aimed to evaluate the effectiveness of early harvest in preventing aflatoxins in peanuts under drought-stress conditions. A field experiment was conducted on the 2018-2019 and 2019-2020 growing seasons in a greenhouse with an irrigation system to induce three drought stress conditions: no stress, mild, and severe stress. In addition, three harvest dates were proposed: two weeks earlier, one week earlier, and ideal harvest time. The mean peanut yield was 2634 kg/ha, considering the two growing seasons, and the drought stress conditions and harvest dates did not influence significantly. The shelling percentage was significantly higher in samples harvested at ideal harvest (77.7 %) than two weeks earlier (76.2 %) and was not influenced by drought stress conditions. Although a low mean percentage of grains with insect damage was identified, this percentage was statistically higher under severe stress (0.4 %) compared to no-stress conditions (0.2 %). The soil contamination ranged from 2.52 × 103 to 1.64 × 104 CFU/g of Aspergillus section Flavi, and the drought stress resulted in significantly higher concentrations in mild and severe stressed samples. A. section Flavi was found to infect all the peanut kernel samples. The drought stress resulted in higher percentages of A. section Flavi infections in samples from mild and severe stress conditions. The harvest date did not influence the soil and peanut kernel occurrence of A. section Flavi. A total of 435 and 796 strains of A. section Flavi were isolated from soil and peanut kernels, respectively. The potential of aflatoxin production by soil isolates was 31, 44, and 25 % for aflatoxin non-producers, aflatoxin B producers, and aflatoxin B and G producers, respectively, while in peanut kernel isolates were 44, 44, and 12 %. Three different A. section Flavi species were identified from peanut kernels: A. flavus, A. parasiticus, and A. pseudocaelatus. The mean aflatoxin concentration in peanut kernels was 42, 316, and 695.5 μg/kg in samples under no stress, mild stress, and severe stress conditions, respectively. Considering the harvest time, the mean aflatoxin concentration was 9.9, 334.3, and 614.2 μg/kg in samples harvested two weeks earlier, one week earlier, and in ideal harvest, respectively. In conclusion, the early harvest proved to be a viable, cost-free alternative for controlling aflatoxin in the peanut pre-harvest, resulting in a safer product and a better quality for sale and economic gain.
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Affiliation(s)
- Ligia Manoel Martins
- Food Technology Institute - ITAL, Campinas, SP, Brazil; Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil.
| | - Neura Bragagnolo
- Department of Food Science and Nutrition, Faculty of Food Engineering, University of Campinas, Campinas, SP, Brazil
| | - Maria Antonia Calori
- Department of Agri-food Industry, Food and Nutrition, Laboratory of molecular biology and mycotoxins, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | | | - Marcelo Corrêa Alves
- IT Technical Section, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | | | - Ignacio José de Godoy
- Center for Analysis and Technological Research of Grain and Fiber Agribusiness, Agronomic Institute of Campinas, Brazil
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Moura-Mendes J, Cazal-Martínez CC, Rojas C, Ferreira F, Pérez-Estigarribia P, Dias N, Godoy P, Costa J, Santos C, Arrua A. Species Identification and Mycotoxigenic Potential of Aspergillus Section Flavi Isolated from Maize Marketed in the Metropolitan Region of Asunción, Paraguay. Microorganisms 2023; 11:1879. [PMID: 37630439 PMCID: PMC10458825 DOI: 10.3390/microorganisms11081879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/13/2023] [Accepted: 07/18/2023] [Indexed: 08/27/2023] Open
Abstract
Zea mays var. amylacea and Zea mays var. indurata are maize ecotypes from Paraguay. Aspergillus section Flavi is the main spoilage fungus of maize under storage conditions. Due to its large intraspecific genetic variability, the accurate identification of this fungal taxonomic group is difficult. In the present study, potential mycotoxigenic strains of Aspergillus section Flavi isolated from Z. mays var. indurata and Z. mays var. amylacea that are marketed in the metropolitan region of Asunción were identified by a polyphasic approach. Based on morphological characters, 211 isolates were confirmed to belong to Aspergillus section Flavi. A subset of 92 strains was identified as Aspergillus flavus by mass spectrometry MALDI-TOF and the strains were classified by MALDI-TOF MS into chemotypes based on their aflatoxins and cyclopiazonic acid production. According to the partial sequencing of ITS and CaM genes, a representative subset of 38 A. flavus strains was confirmed. Overall, 75 A. flavus strains (86%) were characterized as producers of aflatoxins. The co-occurrence of at least two mycotoxins (AF/ZEA, FUM/ZEA, and AF/ZEA/FUM) was detected for five of the Z. mays samples (63%). Considering the high mycological bioburden and mycotoxin contamination, maize marketed in the metropolitan region of Asunción constitutes a potential risk to food safety and public health and requires control measures.
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Affiliation(s)
- Juliana Moura-Mendes
- Centro Multidisciplinario de Investigaciones Tecnológicas, Universidad Nacional de Asunción, San Lorenzo 111421, Paraguay; (J.M.-M.)
| | - Cinthia C. Cazal-Martínez
- Centro Multidisciplinario de Investigaciones Tecnológicas, Universidad Nacional de Asunción, San Lorenzo 111421, Paraguay; (J.M.-M.)
- Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Asunción, San Lorenzo 111421, Paraguay
| | - Cinthia Rojas
- Centro Multidisciplinario de Investigaciones Tecnológicas, Universidad Nacional de Asunción, San Lorenzo 111421, Paraguay; (J.M.-M.)
- Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Asunción, San Lorenzo 111421, Paraguay
| | - Francisco Ferreira
- Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Asunción, San Lorenzo 111421, Paraguay
| | - Pastor Pérez-Estigarribia
- Facultad Politécnica, Universidad Nacional de Asunción, San Lorenzo 111421, Paraguay
- Facultad de Medicina, Universidad Sudamericana, Pedro Juan Caballero 130112, Paraguay
| | - Nathalia Dias
- BIOREN-UFRO Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile
| | - Patrício Godoy
- Instituto de Microbiología Clínica, Facultad de Medicina, Universidad Austral de Chile, Valdivia 5090000, Chile
| | - Jéssica Costa
- Departamento de Biologia, Instituto de Ciências Biológicas-ICB, Universidade Federal do Amazonas, Av. Rodrigo Otávio Jordão Ramos 3000, Bloco 01, Manaus 69077-000, Brazil;
| | - Cledir Santos
- Department of Chemical Science and Natural Resources, Universidad de La Frontera, Temuco 4811230, Chile
| | - Andrea Arrua
- Centro Multidisciplinario de Investigaciones Tecnológicas, Universidad Nacional de Asunción, San Lorenzo 111421, Paraguay; (J.M.-M.)
- Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Asunción, San Lorenzo 111421, Paraguay
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Acuña-Gutiérrez C, Jiménez VM, Müller J. Occurrence of mycotoxins in pulses. Compr Rev Food Sci Food Saf 2022; 21:4002-4017. [PMID: 35876644 DOI: 10.1111/1541-4337.13008] [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: 01/17/2022] [Revised: 06/03/2022] [Accepted: 06/27/2022] [Indexed: 01/28/2023]
Abstract
Pulses, dry grains of the Fabaceae family used for food and feed, are particularly important agricultural products with increasing commercial and nutritional relevance. Similar to other plant commodities, pulses can be affected by fungi in the field and during postharvest. Some of these fungi produce mycotoxins, which can seriously threaten human and animal health by causing acute poisoning and chronic effects. In this review, information referring to the analysis and occurrence of these compounds in pulses is summarized. An overview of the aims pursued, and of the methodologies employed for mycotoxin analysis in the different reports is presented, followed by a comprehensive review of relevant articles on mycotoxins in pulses, categorized according to the geographical region, among other considerations. Moreover, special attention was given to the effect of climatic conditions on microorganism infestation and mycotoxin accumulation. Furthermore, the limited literature available was considered to look for possible correlations between the degree of fungal infection and the mycotoxin incidence in pulses. In addition, the potential effect of certain phenolic compounds on reducing fungi infestation and mycotoxin accumulation was reviewed with examples on beans. Emphasis was also given to a specific group of mycotoxins, the phomopsins, that mainly impact lupin. Finally, the negative consequences of mycotoxin accumulation on the physiology and development of contaminated seeds and seedlings are presented, focusing on the few reports available on pulses. Given the agricultural and nutritional potential that pulses offer for human well-being, their promotion should be accompanied by attention to food safety issues, and mycotoxins might be among the most serious threats. Practical Application: According to the manuscript template available in the website, this section is for "JFS original research manuscripts ONLY; optional". Since we are publishing in CRFSFS this requirement will not be done.
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Affiliation(s)
- Catalina Acuña-Gutiérrez
- Institute of Agricultural Engineering Tropics and Subtropics Group (440e), University of Hohenheim, Stuttgart, Germany.,CIGRAS, Universidad de Costa Rica, San Pedro, Costa Rica
| | - Víctor M Jiménez
- CIGRAS, Universidad de Costa Rica, San Pedro, Costa Rica.,IIA, Universidad de Costa Rica, San Pedro, Costa Rica
| | - Joachim Müller
- Institute of Agricultural Engineering Tropics and Subtropics Group (440e), University of Hohenheim, Stuttgart, Germany
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Smaoui S, Agriopoulou S, D'Amore T, Tavares L, Mousavi Khaneghah A. The control of Fusarium growth and decontamination of produced mycotoxins by lactic acid bacteria. Crit Rev Food Sci Nutr 2022; 63:11125-11152. [PMID: 35708071 DOI: 10.1080/10408398.2022.2087594] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Global crop and food contamination with mycotoxins are one of the primary worldwide concerns, while there are several restrictions regarding approaching conventional physical and chemical mycotoxins decontamination methods due to nutrition loss, sensory attribute reduction in foods, chemical residual, inconvenient operation, high cost of equipment, and high energy consumption of some methods. In this regard, the overarching challenges of mycotoxin contamination in food and food crops require the development of biological decontamination strategies. Using certain lactic acid bacteria (LAB) as generally recognized safe (GRAS) compounds is one of the most effective alternatives due to their potential to release antifungal metabolites against various fungal factors species. This review highlights the potential applications of LAB as biodetoxificant agents and summarizes their decontamination activities against Fusarium growth and Fusarium mycotoxins released into food/feed. Firstly, the occurrence of Fusarium and the instrumental and bioanalytical methods for the analysis of mycotoxins were in-depth discussed. Upgraded knowledge on the biosynthesis pathway of mycotoxins produced by Fusarium offers new insightful ideas clarifying the function of these secondary metabolites. Moreover, the characterization of LAB metabolites and their impact on the decontamination of the mycotoxin from Fusarium, besides the main mechanisms of mycotoxin decontamination, are covered. While the thematic growth inhibition of Fusarium and decontamination of their mycotoxin by LAB is very complex, approaching certain lactic acid bacteria (LAB) is worth deeper investigations.
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Affiliation(s)
- Slim Smaoui
- Laboratory of Microbial, Enzymatic Biotechnology and Biomolecules (LBMEB), Center of Biotechnology of Sfax, University of Sfax-Tunisia, Sfax, Tunisia
| | - Sofia Agriopoulou
- Department of Food Science and Technology, University of the Peloponnese, Antikalamos, Kalamata, Greece
| | - Teresa D'Amore
- Chemistry Department, Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata (IZSPB), Foggia, Italy
| | - Loleny Tavares
- Institute of Food Science and Technology, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, CEP, Brazil
| | - Amin Mousavi Khaneghah
- Department of Fruit and Vegetable Product Technology, Prof. Wacław Dąbrowski Institute of Agricultural and Food Biotechnology - State Research Institute, Warsaw, Poland
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Mahata PK, Dass RS, Pan A, Muthusamy B. Substantive Morphological Descriptions, Phylogenetic Analysis and Single Nucleotide Polymorphisms of Aspergillus Species From Foeniculum vulgare. Front Microbiol 2022; 13:832320. [PMID: 35250948 PMCID: PMC8894770 DOI: 10.3389/fmicb.2022.832320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 01/24/2022] [Indexed: 01/10/2023] Open
Abstract
Ascomycetous fungi are found associated with a wide variety of substrates which range from fresh water to marine ecosystems, tropical to temperate forest soils and deserts, throughout the world over. These demystifying fungi exist as endophytes, pathogens and saprobes. They have been studied due to their ability to contaminate foods and feedstuffs, causing an elaboration of mycotoxins. The objectives of the study included extensive analyses of the morphological features of fungi, especially Aspergilli, which have been presented while studying them on specific mycological media. It is also an elaborate compilation of substantive macro- and micro-morphological characterization of different Aspergilli isolated from the spice Foeniculum vulgare used in India and other countries in the world. Further, a first of its kind attempt has been made to study their relative abundance and frequency of occurrence, molecular phylogeny and genetic relatedness to characterize the Aspergilli into specific sections, groups and clades. Single nucleotide polymorphism (SNP) analysis was carried out to evaluate the functional consequences of nucleotide variations, synonymous and non-synonymous mutations in the protein structure. The study resulted in a total of 3,506 Aspergillus isolates, which were obtained from seventy (70) fennel samples, representing 14 Aspergillus species. The two most frequently found species were A. niger and A. flavus with a relative abundance of 32.24 and 11.63%, respectively. The taxonomy and current placements have been reappraised with suggestions and prospects for future research from six sections namely Terrei, Flavi, Fumigati, Nidulantes, Nigri, and Versicolores. In addition, a total number of 27 isolates were studied and deposited at the National Centre for Biotechnology Information (NCBI) and five Aspergillus species have been identified and are being reported for the first time from the fennel seeds, based on partial sequence analysis of the official fungal barcode namely, Internal Transcribed Spacer (ITS) and a functional gene, beta tubulin gene locus, coupled with phenotypic characterization. SNPs for specific DNA regions have been used to identify variants in Aspergilli obtained from Indian fennel seeds for the first time. The need for a polyphasic approach of morphological identification and genetic characterization of Aspergilli from Foeniculum vulgare is addressed and presented here in adequate detail. Our current work makes extensive use of partial beta-tubulin gene sequences analyses to evaluate the association between SNPs in five Aspergillus species sections.
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Affiliation(s)
- Pranab Kumar Mahata
- Fungal Genetics and Mycotoxicology Laboratory, Department of Microbiology, School of Life Sciences, Pondicherry University, Pondicherry, India
| | - Regina Sharmila Dass
- Fungal Genetics and Mycotoxicology Laboratory, Department of Microbiology, School of Life Sciences, Pondicherry University, Pondicherry, India
- *Correspondence: Regina Sharmila Dass,
| | - Archana Pan
- Centre for Bioinformatics, School of Life Sciences, Pondicherry University, Pondicherry, India
| | - Babylakshmi Muthusamy
- Institute of Bioinformatics, International Tech Park, Bengaluru, India
- Manipal Academy of Higher Education, Manipal, India
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Kunz BM, Pförtner L, Weigel S, Rohn S, Lehmacher A, Maul R. Growth and toxin production of phomopsin A and ochratoxin A forming fungi under different storage conditions in a pea (Pisum sativum) model system. Mycotoxin Res 2022; 38:37-50. [PMID: 34921667 PMCID: PMC8816495 DOI: 10.1007/s12550-021-00446-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 10/30/2021] [Accepted: 12/01/2021] [Indexed: 11/30/2022]
Abstract
Phomopsins are mycotoxins mainly infesting lupines, with phomopsin A (PHOA) being the main mycotoxin. PHOA is produced by Diaporthe toxica, formerly assigned as toxigenic Phomopsis leptostromiformis, causing infections in lupine plants and harvested seeds. However, Diaporthe species may also grow on other grain legumes, similar to Aspergillus westerdijkiae as an especially potent ochratoxin A (OTA) producer. Formation of PHOA and OTA was investigated on whole field peas as model system to assess fungal growth and toxin production at adverse storage conditions. Field pea samples were inoculated with the two fungal strains at two water activity (aw) values of 0.94 and 0.98 and three different levels of 30, 50, and 80% relative air humidity.After 14 days at an aw value of 0.98, the fungi produced 4.49 to 34.3 mg/kg PHOA and 1.44 to 3.35 g/kg OTA, respectively. Strains of D. toxica also tested showed higher PHOA concentrations of 28.3 to 32.4 mg/kg.D. toxica strains did not grow or produce PHOA at an aw values of 0.94, while A. westerdijkiae still showed growth and OTA production.Elevated water activity has a major impact both on OTA and, even more pronouncedly, on PHOA formation and thus, proper drying and storage of lupins as well as other grain legumes is crucial for product safety.
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Affiliation(s)
- Birgitta Maria Kunz
- Department for Safety in the Food Chain, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589, Berlin, Germany
- Institute for Food Chemistry, Hamburg School of Food Science (HSFS), University of Hamburg, Grindelallee 117, 20146, Hamburg, Germany
| | - Laura Pförtner
- Institute for Food Chemistry, Hamburg School of Food Science (HSFS), University of Hamburg, Grindelallee 117, 20146, Hamburg, Germany
- Food Microbiology, Institute for Hygiene and Environment Hamburg, Marckmannstraße 129a, 20539, Hamburg, Germany
| | - Stefan Weigel
- Department for Safety in the Food Chain, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589, Berlin, Germany
| | - Sascha Rohn
- Institute for Food Chemistry, Hamburg School of Food Science (HSFS), University of Hamburg, Grindelallee 117, 20146, Hamburg, Germany
- Institute for Food Technology and Food Chemistry, Technische Universität Berlin, Gustav-Meyer-Allee 25, 13355, Berlin, Germany
| | - Anselm Lehmacher
- Food Microbiology, Institute for Hygiene and Environment Hamburg, Marckmannstraße 129a, 20539, Hamburg, Germany
| | - Ronald Maul
- Department for Safety in the Food Chain, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Str. 8-10, 10589, Berlin, Germany.
- Department Safety and Quality of Milk and Fish Products, Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Hermann-Weigmann-Straße 1, 24103, Kiel, Germany.
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Detecting fumonisin B1 in black beans (Phaseolus vulgaris L.) by near-infrared spectroscopy (NIRS). Food Control 2021. [DOI: 10.1016/j.foodcont.2021.108335] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Belinato JR, Costa CP, Almeida A, Rocha SM, Augusto F. Mapping Aspergillus niger Metabolite Biomarkers for In Situ and Early Evaluation of Table Grapes Contamination. Foods 2021; 10:2870. [PMID: 34829150 PMCID: PMC8624196 DOI: 10.3390/foods10112870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/09/2021] [Accepted: 11/12/2021] [Indexed: 12/02/2022] Open
Abstract
The Aspergillus niger exometabolome was recently investigated using advanced gas chromatography in tandem with multivariate analysis, which allowed a metabolite biomarker pattern to be proposed. Microbial metabolomics patterns have gained enormous relevance, mainly due to the amount of information made available, which may be useful in countless processes. One of the great challenges in microbial metabolomics is related to applications in more complex systems of metabolomics information obtained from studies carried out in culture media, as complications may occur due to the dynamic nature of biological systems. Thus, the main objective of this research was to evaluate the applicability of the A. niger metabololite biomarkers pattern for in situ and early evaluation of table grapes contamination, used as study model. A. niger is a ubiquitous fungus responsible for food contamination, being reported as one of the main agents of the black mold disease, a serious post-harvest pathology of table grapes. This work included analysis from 1 day of growth time of pure A. niger cultures, A. niger cultures obtained from previously contaminated grapes, and finally, an in situ solid-phase microextraction (SPME) approach directly on previously contaminated table grapes. Supervised multivariate analysis was performed which revealed that after 1 day of inoculation it was possible to detect A. niger biomarkers, which can be extremely useful in making this type of method possible for the rapid detection of food contamination. The results obtained confirm the potential applicability of the pattern of A. niger biomarkers for early detection of the fungi (after 1 day of contamination), and may be further explored for access food susceptibility to fungi contamination, based on direct analysis of the food item.
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Affiliation(s)
- Joao Raul Belinato
- Institute of Chemistry, University of Campinas and National Institute of Science and Technology in Bioanalysis (INCTBio), Campinas 13083-970, Brazil;
| | - Carina Pedrosa Costa
- Department of Chemistry & LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Adelaide Almeida
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Silvia M. Rocha
- Department of Chemistry & LAQV-REQUIMTE, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Fabio Augusto
- Institute of Chemistry, University of Campinas and National Institute of Science and Technology in Bioanalysis (INCTBio), Campinas 13083-970, Brazil;
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Duarte Santos T, Badiale Furlong E. Biological contamination of the common bean ( Phaseolus vulgaris L.) and its impact on food safety. Crit Rev Food Sci Nutr 2021; 62:4998-5004. [PMID: 33543994 DOI: 10.1080/10408398.2021.1881038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The occurrence of biological contaminants in common beans is a challenge for food safety, as they can affect the bean at different points in the production chain. Their presence can result in damage to the health of consumers through their direct toxic effect or by promoting nutritional deficiencies, in addition to decreasing the crop yield that has an economic impact. In this article, the information available in the literature on the occurrence of biological contaminants in the common bean (Phaseolus vulgaris L.) was organized to identify the main risks to food safety due to biological contamination. Research showed that many studies investigated the effects of microbial contaminants during the farming and harvested of beans and that some strategies have been used to avoid losses. The presence of toxigenic fungi and some mycotoxins have also been reported, indicating that common beans may carry thermostable toxic residues, directly impacting human health. Further studies are needed to identify the role of microorganisms in determining the quality of common beans and to estimate their risks to food safety. HighlightsBeans can be contaminated by biological agents.Plants infected with parasites may be highly susceptible to other contaminants.Micotoxicologic contamination is less prevalent in beans than other grains.There are strategies to decrease the risk of bacterial contamination in beans.
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Affiliation(s)
- Thaisa Duarte Santos
- Laboratório de Micotoxinas e Ciência de Alimentos (LAMCA), Escola de Quíımica e Alimentos, Universidade Federal do Rio Grande (FURG), Rio Grande, Rio Grande do Sul, Brazil
| | - Eliana Badiale Furlong
- Laboratório de Micotoxinas e Ciência de Alimentos (LAMCA), Escola de Quíımica e Alimentos, Universidade Federal do Rio Grande (FURG), Rio Grande, Rio Grande do Sul, Brazil
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