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Gab-Allah MA, Choi K, Kim B. Type B Trichothecenes in Cereal Grains and Their Products: Recent Advances on Occurrence, Toxicology, Analysis and Post-Harvest Decontamination Strategies. Toxins (Basel) 2023; 15:85. [PMID: 36828399 PMCID: PMC9963506 DOI: 10.3390/toxins15020085] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 01/19/2023] Open
Abstract
Type B trichothecenes (deoxynivalenol, nivalenol, 3-acetyldeoxynivalenol, 15-acetyldeoxynivalenol) and deoxynivalenol-3-glucoside (DON-3G) are secondary toxic metabolites produced mainly by mycotoxigenic Fusarium fungi and have been recognized as natural contaminants in cereals and cereal-based foods. The latest studies have proven the various negative effects of type B trichothecenes on human health. Due to the widespread occurrence of Fusarium species, contamination by these mycotoxins has become an important aspect for public health and agro-food systems worldwide. Hence, their monitoring and surveillance in various foods have received a significant deal of attention in recent years. In this review, an up-to-date overview of the occurrence profile of major type B trichothecenes and DON-3G in cereal grains and their toxicological implications are outlined. Furthermore, current trends in analytical methodologies for their determination are overviewed. This review also covers the factors affecting the production of these mycotoxins, as well as the management strategies currently employed to mitigate their contamination in foods. Information presented in this review provides good insight into the progress that has been achieved in the last years for monitoring type B trichothecenes and DON-3G, and also would help the researchers in their further investigations on metabolic pathway analysis and toxicological studies of these Fusarium mycotoxins.
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Affiliation(s)
- Mohamed A. Gab-Allah
- Organic Metrology Group, Division of Chemical and Biological Metrology, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea
- Department of Bio-Analytical Science, University of Science and Technology, Daejeon 34113, Republic of Korea
- Reference Materials Lab, National Institute of Standards, P.O. Box 136, Giza 12211, Egypt
| | - Kihwan Choi
- Organic Metrology Group, Division of Chemical and Biological Metrology, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Byungjoo Kim
- Organic Metrology Group, Division of Chemical and Biological Metrology, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea
- Department of Bio-Analytical Science, University of Science and Technology, Daejeon 34113, Republic of Korea
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Narváez A, Castaldo L, Izzo L, Pallarés N, Rodríguez-Carrasco Y, Ritieni A. Deoxynivalenol contamination in cereal-based foodstuffs from Spain: Systematic review and meta-analysis approach for exposure assessment. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108521] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Mousavi Khaneghah A, Farhadi A, Nematollahi A, Vasseghian Y, Fakhri Y. A systematic review and meta-analysis to investigate the concentration and prevalence of trichothecenes in the cereal-based food. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.05.026] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Chen C, Turna NS, Wu F. Risk assessment of dietary deoxynivalenol exposure in wheat products worldwide: Are new codex DON guidelines adequately protective? Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.05.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Mishra S, Srivastava S, Dewangan J, Divakar A, Kumar Rath S. Global occurrence of deoxynivalenol in food commodities and exposure risk assessment in humans in the last decade: a survey. Crit Rev Food Sci Nutr 2019; 60:1346-1374. [DOI: 10.1080/10408398.2019.1571479] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Sakshi Mishra
- Genotoxicity Laboratory, Division of Toxicology and Experimental Medicine, Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India
| | - Sonal Srivastava
- Genotoxicity Laboratory, Division of Toxicology and Experimental Medicine, Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India
| | - Jayant Dewangan
- Genotoxicity Laboratory, Division of Toxicology and Experimental Medicine, Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India
| | - Aman Divakar
- Genotoxicity Laboratory, Division of Toxicology and Experimental Medicine, Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India
| | - Srikanta Kumar Rath
- Genotoxicity Laboratory, Division of Toxicology and Experimental Medicine, Central Drug Research Institute (CSIR-CDRI), Lucknow, Uttar Pradesh, India
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Wang L, Liao Y, Peng Z, Chen L, Zhang W, Nüssler AK, Shi S, Liu L, Yang W. Food raw materials and food production occurrences of deoxynivalenol in different regions. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2018.11.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Prevalence and concentration of ochratoxin A, zearalenone, deoxynivalenol and total aflatoxin in cereal-based products: A systematic review and meta-analysis. Food Chem Toxicol 2018; 118:830-848. [DOI: 10.1016/j.fct.2018.06.037] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 06/17/2018] [Accepted: 06/18/2018] [Indexed: 01/11/2023]
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Torović L. Fusarium toxins in corn food products: a survey of the Serbian retail market. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2018; 35:1596-1609. [PMID: 29279009 DOI: 10.1080/19440049.2017.1419581] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
This paper presents data on the occurrence of Fusarium toxins - zearalenone (ZEA), deoxynivalenol (DON) and fumonisins (FUMs) B1 and B2 - in corn flours and corn flakes marketed in Serbia. A total of 71 samples were collected over 2013-2016 and analysed using HPLC with UV or fluorescence detection. In the case of corn flours, none of the samples taken in 2013 exhibited the presence of ZEA or DON, whereas 90% were positive for FUMs. In 2015, occurrence was very high: ZEA 93%, DON 86% and FUMs 100% (mean 43.3, 322.6 and 323.0 μg kg-1, respectively), with 21% of the samples exceeding the maximum level for ZEA and 7% for DON and FUMs. In 2016, a lower occurrence was recorded in the case of ZEA (75%) and DON (38%), with drastically lower mean contamination levels (six- and 10-fold, respectively), while FUMs stayed at 97%, with twofold lower mean. The maximum level was exceeded only for ZEA (3%). The frequency of ZEA-DON-FB1 co-occurrence was 86% in 2015 and 25% in 2016. Regarding corn flakes, occurrence summarised for the study period was 87% ZEA, 73% FUMs and 40% DON. One sample (7%) exceeded the maximum levels for both ZEA and DON. Observed occurrence changes were in agreement with the climatic conditions during corn growing seasons preceding the market release of the processed products.
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Affiliation(s)
- Ljilja Torović
- a University of Novi Sad , Faculty of Medicine, Department of Pharmacy , Novi Sad , Serbia.,b Institute of Public Health of Vojvodina , Center for Hygiene and Human Ecology , Novi Sad , Serbia
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Khaneghah AM, Martins LM, von Hertwig AM, Bertoldo R, Sant’Ana AS. Deoxynivalenol and its masked forms: Characteristics, incidence, control and fate during wheat and wheat based products processing - A review. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2017.10.012] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Adhikari M, Negi B, Kaushik N, Adhikari A, Al-Khedhairy AA, Kaushik NK, Choi EH. T-2 mycotoxin: toxicological effects and decontamination strategies. Oncotarget 2017; 8:33933-33952. [PMID: 28430618 PMCID: PMC5464924 DOI: 10.18632/oncotarget.15422] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 02/08/2017] [Indexed: 01/19/2023] Open
Abstract
Mycotoxins are highly diverse secondary metabolites produced in nature by a wide variety of fungus which causes food contamination, resulting in mycotoxicosis in animals and humans. In particular, trichothecenes mycotoxin produced by genus fusarium is agriculturally more important worldwide due to the potential health hazards they pose. It is mainly metabolized and eliminated after ingestion, yielding more than 20 metabolites with the hydroxy trichothecenes-2 toxin being the major metabolite. Trichothecene is hazardously intoxicating due to their additional potential to be topically absorbed, and their metabolites affect the gastrointestinal tract, skin, kidney, liver, and immune and hematopoietic progenitor cellular systems. Sensitivity to this type of toxin varying from dairy cattle to pigs, with the most sensitive endpoints being neural, reproductive, immunological and hematological effects. The mechanism of action mainly consists of the inhibition of protein synthesis and oxidative damage to cells followed by the disruption of nucleic acid synthesis and ensuing apoptosis. In this review, the possible hazards, historical significance, toxicokinetics, and the genotoxic and cytotoxic effects along with regulatory guidelines and recommendations pertaining to the trichothecene mycotoxin are discussed. Furthermore, various techniques utilized for toxin determination, pathophysiology, prophylaxis and treatment using herbal antioxidant compounds and regulatory guidelines and recommendations are reviewed. The prospects of the trichothecene as potential hazardous agents, decontamination strategies and future perspectives along with plausible therapeutic uses are comprehensively described.
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Affiliation(s)
- Manish Adhikari
- Department of Electrical and Biological Physics, Plasma Bioscience Research Center, Kwangwoon University, Seoul, Republic of Korea
| | - Bhawana Negi
- Department of Molecular Biology and Genetic Engineering, G B Pant University of Agriculture and Technology, Pantnagar, Uttarakhand, India
| | - Neha Kaushik
- Department of Life Science, Hanyang University, Seoul, Republic of Korea
| | - Anupriya Adhikari
- Department of Chemistry, Kanya Gurukul Campus, Gurukul Kangri Vishwavidyalaya, Haridwar, India
| | | | - Nagendra Kumar Kaushik
- Department of Electrical and Biological Physics, Plasma Bioscience Research Center, Kwangwoon University, Seoul, Republic of Korea
| | - Eun Ha Choi
- Department of Electrical and Biological Physics, Plasma Bioscience Research Center, Kwangwoon University, Seoul, Republic of Korea
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Abdus-Salaam R, Atanda O, Fanelli F, Sulyok M, Cozzi G, Bavaro S, Krska R, Logrieco AF, Ezekiel CN, Salami WA. Fungal isolates and metabolites in locally processed rice from five agro-ecological zones of Nigeria. FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE 2016; 9:281-289. [PMID: 27595168 DOI: 10.1080/19393210.2016.1215354] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
This study reports the distribution of fungal isolates and fungal metabolites that naturally contaminate locally processed rice from five agro-ecological zones of Nigeria. The fungal species were isolated by the dilution plate technique and identified by appropriate diagnostics, while metabolites were determined by a liquid chromatographic tandem mass spectrometric method. Aspergillus and Penicillium species were the predominant isolates found in the rice samples while Fusarium spp. were not isolated. The mean fungal count differed significantly (p < 0.05) across the zones and ranged from 9.98 × 102 cfu g-1 in the Southern Guinea Savannah to 96.97 × 102 cfu g-1 in the Derived Savannah. For 16 fungal metabolites, selected from 63 positively identified fungal metabolites based on their concentration and spread across the zones, an occurrence map was constructed. The Northern Guinea Savannah recorded the highest contamination of fungal metabolites while the Sudan Savannah zone recorded the least.
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Affiliation(s)
- Rofiat Abdus-Salaam
- a Department of Food Technology , Lagos State Polytechnic , Ikorodu , Nigeria
| | - Olusegun Atanda
- b Department of Biological Sciences , McPherson University , Seriki Sotayo , Nigeria
| | - Francesca Fanelli
- c Institute of Sciences of Food Production , National Research Council , Bari , Italy
| | - Micheal Sulyok
- d Department for Agrobiotechnology (IFA-Tulln) , University of Natural Resources and Life Sciences (BOKU) , Vienna , Austria
| | - Giuseppe Cozzi
- c Institute of Sciences of Food Production , National Research Council , Bari , Italy
| | - Simona Bavaro
- c Institute of Sciences of Food Production , National Research Council , Bari , Italy
| | - Rudolf Krska
- d Department for Agrobiotechnology (IFA-Tulln) , University of Natural Resources and Life Sciences (BOKU) , Vienna , Austria
| | - Antonio F Logrieco
- c Institute of Sciences of Food Production , National Research Council , Bari , Italy
| | - Chibundu N Ezekiel
- e Department of Biosciences and Biotechnology , Babcock University , Ilishan-Remo , Nigeria
| | - Waheed A Salami
- f Institute of Food security, Environmental Resources and Agricultural Research (IFSERAR) , Federal University of Agriculture , Abeokuta , Nigeria
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Woo C, El-Nezami H. Mycotoxins in Asia: is China in danger? QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS 2015. [DOI: 10.3920/qas2014.x005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- C.S.J. Woo
- Faculty of Science, School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, China P.R
| | - H. El-Nezami
- Faculty of Science, School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, China P.R
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Choi S, Jun H, Bang J, Chung SH, Kim Y, Kim BS, Kim H, Beuchat LR, Ryu JH. Behaviour of Aspergillus flavus and Fusarium graminearum on rice as affected by degree of milling, temperature, and relative humidity during storage. Food Microbiol 2014; 46:307-313. [PMID: 25475300 DOI: 10.1016/j.fm.2014.08.019] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 07/30/2014] [Accepted: 08/23/2014] [Indexed: 11/28/2022]
Abstract
We investigated the survival and growth patterns of Aspergillus flavus and Fusarium graminearum, as well as mycotoxin production, on Korean rice as affected by the degree of milling (rough, brown, and white rice) and storage conditions (21 °C/85% relative humidity [RH], 21 °C/97% RH, and 30 °C/85% RH). When rice was stored at 21 °C/85% RH, the population of A. flavus remained constant and aflatoxin was not produced, regardless of the degree of milling. At 21 °C/97% RH and 30 °C/85% RH, the populations of A. flavus increased significantly (P ≤ 0.05) and aflatoxins were produced. The highest population of A. flavus and highest amount of aflatoxin B1 were observed on brown rice stored at 21 °C/97% RH. For F. graminearum, when stored at 85% RH, the populations were reduced to less than a detectable level (5 CFU/g of rice) within 120 days and no deoxynivalenol (DON) was produced, regardless of the degree of milling and storage temperature. However, at 21 °C/97% RH, the population of F. graminearum increased significantly (P ≤ 0.05) and DON was produced on all types of rice. Findings from this study provide insights concerning storage conditions necessary to prevent growth and mycotoxin production by A. flavus and F. graminearum on Korean rice with different degrees of milling.
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Affiliation(s)
- Seonyeong Choi
- Department of Biotechnology, Korea University, Anam-dong, Sungbuk-ku, Seoul 136-701, Republic of Korea
| | - Hyejung Jun
- Department of Biotechnology, Korea University, Anam-dong, Sungbuk-ku, Seoul 136-701, Republic of Korea
| | - Jihyun Bang
- Department of Biotechnology, Korea University, Anam-dong, Sungbuk-ku, Seoul 136-701, Republic of Korea
| | - Soo-Hyun Chung
- Department of Food and Nutrition, Korea University, Jeongneung-dong, Sungbuk-ku, Seoul 136-703, Republic of Korea
| | - Yoonsook Kim
- Neo Food Resources Research Group, Korea Food Research Institute, Baekhyun-dong, Seongnam, Gyeonggi 463-746, Republic of Korea
| | - Byeong-Sam Kim
- Neo Food Resources Research Group, Korea Food Research Institute, Baekhyun-dong, Seongnam, Gyeonggi 463-746, Republic of Korea
| | - Hoikyung Kim
- Division of Human Environmental Sciences, Wonkwang University, Shinyong-dong, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Larry R Beuchat
- Center for Food Safety and Department of Food Science and Technology, University of Georgia, 1109 Experiment Street, Griffin, GA 30223-1797, USA
| | - Jee-Hoon Ryu
- Department of Biotechnology, Korea University, Anam-dong, Sungbuk-ku, Seoul 136-701, Republic of Korea.
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Ok HE, Kim DM, Kim D, Chung SH, Chung MS, Park KH, Chun HS. Mycobiota and natural occurrence of aflatoxin, deoxynivalenol, nivalenol and zearalenone in rice freshly harvested in South Korea. Food Control 2014. [DOI: 10.1016/j.foodcont.2013.09.020] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Ortiz J, Van Camp J, Mestdagh F, Donoso S, De Meulenaer B. Mycotoxin co-occurrence in rice, oat flakes and wheat noodles used as staple foods in Ecuador. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2013; 30:2165-76. [DOI: 10.1080/19440049.2013.853228] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Ok HE, Kang YW, Kim M, Chun HS. T-2 and HT-2 toxins in cereals and cereal-based products in South Korea. FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE 2013; 6:103-9. [DOI: 10.1080/19393210.2012.735703] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Ok HE, Choi SW, Chang HJ, Chung MS, Chun HS. Occurrence of five 8-ketotrichothecene mycotoxins in organically and conventionally produced cereals collected in Korea. Food Control 2011. [DOI: 10.1016/j.foodcont.2011.03.023] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Lee T, Lee SH, Lee SH, Shin JY, Yun JC, Lee YW, Ryu JG. Occurrence of Fusarium mycotoxins in rice and its milling by-products in Korea. J Food Prot 2011; 74:1169-74. [PMID: 21740720 DOI: 10.4315/0362-028x.jfp-10-564] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A total of 201 samples of brown rice, polished rice, and two types of by-products, blue-tinged rice and discolored rice, were collected from rice stores maintained at 51 rice processing complexes in Korea. These samples were analyzed for the presence of Fusarium mycotoxins such as deoxynivalenol (DON), nivalenol (NIV), and zearalenone (ZEA). Contaminants (and their ranges) found in discolored rice samples were DON (59 to 1,355 ng g(-1)), NIV (66 to 4,180 ng g(-1)), and ZEA (25 to 3,305 ng g(-1)); those found in blue-tinged (less-ripe) rice were DON (86 to 630 ng g(-1)), NIV (50 to 3,607 ng g(-1)), and ZEA (26 to 3,156 ng g(-1)). Brown rice samples were contaminated mostly with NIV and ZEA (52 to 569 ng g(-1) and 47 to 235 ng g(-1), respectively). Polished rice samples were largely free from mycotoxins, although one sample was contaminated with NIV (77 ng g(-1)). When the fungal flora associated with each rice sample was investigated, blue-tinged rice was the most often contaminated with Fusarium graminearum (3.8%), followed by the discolored rice (2.4%) and brown rice (1.6%) samples. Using PCR, toxin genotyping of 266 isolates of F. graminearum revealed that most isolates (96%) were NIV producers. In conclusion, this survey is the first report of the cocontamination of Korean rice and its by-products with trichothecenes and ZEA. Importantly, it also provides new information on the natural contamination of rice by Fusarium mycotoxins.
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Affiliation(s)
- Theresa Lee
- Microbial Safety Division, National Academy of Agricultural Science, Rural Development Administration, Suwon 441-707, Republic of Korea
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Ok HE, Choi SW, Chung SH, Kang YW, Kim DS, Chun HS. Natural occurrence of type-B trichothecene mycotoxins in Korean cereal-based products. FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE 2011; 4:132-40. [PMID: 24785725 DOI: 10.1080/19393210.2011.567380] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Type-B trichothecenes (deoxynivalenol (DON), nivalenol (NIV), fusarenone-X (FUS-X), 15-acetyldeoxynivalenol (15ADON), and 3-acetyldeoxynivalenol (3ADON)) were determined in 338 cereal-based products. Detection limit, quantification limit and mean recovery for five toxins were in the ranges 0.7-2.6 µg kg(-1), 2.1-7.8 µg kg(-1) and 73-110%, respectively. The range of occurrence and average level in samples were, respectively, 21-88% and 5.2-121.8 µg kg(-1) for NIV, 10-96% and 1.7-109.5 µg kg(-1) for DON, 2-39% and 0.4-3.6 µg kg(-1) for FUS-X, 0-80% and 0-17.3 µg kg(-1) for 15ADON, and 0-29% and 0-1.5 µg kg(-1) for 3ADON. Regarding co-occurrence, 64% of samples had more than two type-B trichothecenes. The estimated daily intakes of NIV, DON, FUS-X, 15ADON, and 3ADON were 0.077, 0.048, 0.004, 0.006 and 0.002 µg kg(-1) bw day(-1), respectively. These results suggest that current exposure levels do not indicate the possibility of adverse effects, but consideration of the combined exposure of type-B trichothecenes may be required due to the high frequency of co-occurrence.
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Affiliation(s)
- Hyun Ee Ok
- a Food Safety Research Center , Korea Food Research Institute , Sungnam 463-746 , South Korea
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