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Galluzzo FG, Cammilleri G, Pulvirenti A, Mannino E, Pantano L, Calabrese V, Buscemi MD, Messina EMD, Alfano C, Macaluso A, Ferrantelli V. Determination of Mycotoxins in Plant-Based Meat Alternatives (PBMAs) and Ingredients after Microwave Cooking. Foods 2024; 13:339. [PMID: 38275706 PMCID: PMC10815609 DOI: 10.3390/foods13020339] [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: 12/04/2023] [Revised: 01/10/2024] [Accepted: 01/20/2024] [Indexed: 01/27/2024] Open
Abstract
In this study, we investigate the role of microwave cooking in reducing mycotoxin contamination in plant-based food matrices, with a focus on veggie burgers (purchased and home-made) and their ingredients (soybean, potatoes, zucchini, carrots). Two different conditions were studied (Max-Min) that were 800 W for 60 s and 800 W for 90 s, respectively. The degradation patterns of aflatoxins (AFB1, AFB2, AFG1, AFG2), fumonisins (FB1, FB2, FB3), trichothecenes (T2, HT2, ZEA), and ochratoxin A (OTA) were studied. The extraction procedures were conducted with the QuEChERS extraction, and the analyses were conducted with liquid chromatography-tandem mass spectrometry (LC-MS/MS). Principal component analysis (PCA) showed that degradation under microwave cooking varies considerably across different food matrices and cooking conditions. This study provides valuable insights into the degradation of mycotoxins during microwave cooking and underscores the need for more research in this area to ensure food safety.
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Affiliation(s)
- Francesco Giuseppe Galluzzo
- Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy; (G.C.); (E.M.); (M.D.B.); (E.M.D.M.); (C.A.); (A.M.); (V.F.)
- Dipartimento Scienze della Vita, Università Degli Studi di Modena e Reggio Emilia, 41125 Modena, Italy;
| | - Gaetano Cammilleri
- Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy; (G.C.); (E.M.); (M.D.B.); (E.M.D.M.); (C.A.); (A.M.); (V.F.)
| | - Andrea Pulvirenti
- Dipartimento Scienze della Vita, Università Degli Studi di Modena e Reggio Emilia, 41125 Modena, Italy;
| | - Erika Mannino
- Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy; (G.C.); (E.M.); (M.D.B.); (E.M.D.M.); (C.A.); (A.M.); (V.F.)
| | - Licia Pantano
- Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy; (G.C.); (E.M.); (M.D.B.); (E.M.D.M.); (C.A.); (A.M.); (V.F.)
| | - Vittorio Calabrese
- Dipartimento di Scienze Biomediche e Biotecnologiche, Università degli studi di Catania, 95123 Catania, Italy;
| | - Maria Drussilla Buscemi
- Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy; (G.C.); (E.M.); (M.D.B.); (E.M.D.M.); (C.A.); (A.M.); (V.F.)
| | - Elisa Maria Domenica Messina
- Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy; (G.C.); (E.M.); (M.D.B.); (E.M.D.M.); (C.A.); (A.M.); (V.F.)
| | - Calogero Alfano
- Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy; (G.C.); (E.M.); (M.D.B.); (E.M.D.M.); (C.A.); (A.M.); (V.F.)
| | - Andrea Macaluso
- Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy; (G.C.); (E.M.); (M.D.B.); (E.M.D.M.); (C.A.); (A.M.); (V.F.)
| | - Vincenzo Ferrantelli
- Istituto Zooprofilattico Sperimentale della Sicilia “A. Mirri”, 90129 Palermo, Italy; (G.C.); (E.M.); (M.D.B.); (E.M.D.M.); (C.A.); (A.M.); (V.F.)
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Lee HJ, Kim HD, Ryu D. Practical Strategies to Reduce Ochratoxin A in Foods. Toxins (Basel) 2024; 16:58. [PMID: 38276534 PMCID: PMC10819544 DOI: 10.3390/toxins16010058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/15/2024] [Accepted: 01/15/2024] [Indexed: 01/27/2024] Open
Abstract
Ochratoxin A (OTA), a potent nephrotoxin, is one of the most deleterious mycotoxins, with its prevalence in agricultural crops and their processed foods around the world. OTA is a major concern to food safety, as OTA exposure through dietary intake may lead to a significant level of accumulation in the body as a result of its long half-life (about 35 days). Its potent renal toxicity and high risk of exposure as well as the difficulty in controlling environmental factors OTA production has prompted the need for timely information on practical strategies for the food industry to effectively manage OTA contamination during food processing. The effects of various food processes, including both nonthermal and thermal methods, on the reduction in OTA were summarized in this review, with emphasis on the toxicity of residual OTA as well as its known and unknown degradation products. Since complete removal of OTA from foodstuffs is not feasible, additional strategies that may facilitate the reduction in OTA in food, such as adding baking soda and sugars, was also discussed, so that the industry may understand and apply practical measures to ensure the safety of its products destined for human consumption.
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Affiliation(s)
- Hyun Jung Lee
- Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, ID 83844, USA;
| | - Hae Dun Kim
- Department of Animal, Veterinary and Food Sciences, University of Idaho, Moscow, ID 83844, USA;
| | - Dojin Ryu
- Division of Food, Nutrition and Exercise Sciences, University of Missouri, Columbia, MO 65211, USA;
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Jung Lee H, Dun Kim H, Ryu D. Protective Effect of alpha-Tocopherol against Ochratoxin A in Kidney Cell Line HK-2. J Food Prot 2023; 86:100082. [PMID: 36997025 DOI: 10.1016/j.jfp.2023.100082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 03/30/2023]
Abstract
Food safety is a top priority for the protection of infants and young children. Ochratoxin A (OTA) is an emerging concern due to its high toxicity and occurrence in a wide range of agricultural crops and their derived food products including those foods and snacks destined for infants and young children. OTA is considered as a possible human carcinogen and its main target organ is the kidney. The objective of this study was to investigate the protective effect of α-tocopherol against oxidative stress induced by OTA using human proximal tubule epithelial cells (HK-2). OTA showed dose-dependent increase in cytotoxicity (IC50 = 161 nM, p<0.05) at 48 h, while treatment up to 2 mM α-tocopherol did not change cell viability. Levels of the reduced form of glutathione (GSH) were decreased with α-tocopherol treatment, although the ratio of the oxidative form (GSSG) to GSH remained the same. Among several genes associated with oxidative stress, expression of superoxide dismutase 1 (SOD1), catalase (CAT), glutathione reductase (GSR), and kidney injury molecule-1 (KIM-1) were significantly up-regulated by OTA treatment. CAT and GSR showed decreased expression at 0.5 - 2 mM α-tocopherol and OTA at IC50 value, KIM-1 was decreased at 0.5 mM α-tocopherol and OTA at IC50 value, and nuclear factor erythroid 2-related factor 2 (Nrf2) was decreased at 0.5 - 1 mM α-tocopherol and OTA at IC50 value. In addition, the levels of malondialdehyde (MDA) were increased significantly by OTA while significantly decreased by α-tocopherol. The results show that α-tocopherol may alleviate potential OTA-induced renal damage and oxidative stress through reducing cytotoxicity and enhancing the antioxidant defense systems.
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Carbon H, Lee H. Varied reduction of ochratoxin A in brown and white rice during roasting. WORLD MYCOTOXIN J 2022. [DOI: 10.3920/wmj2021.2712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Ochratoxin A (OTA) is a possible human carcinogen commonly found in various agricultural commodities worldwide. While this potent nephrotoxin tends to survive common food processes and contaminate food products, certain process with higher temperature treatments may reduce OTA contents. Roasting has been suggested as a possible method to reduce OTA in coffee beans with up to 90% reduction, which may be applied to other food commodities. In this study, the possible influence of fibres on the reduction of OTA was investigated with brown and white rice with 2.2 and 6.7% of total dietary fibre content, respectively, roasting at two different temperatures (160 and 200 °C) for up to 30 min. The results showed that the rate and extent of OTA reduction were dependent on time, temperature, and rice type; greater than 60% of OTA reduction were achieved at 200 °C for 30 min for white rice and 37% for brown rice at the same conditions. No significant differences in reduction were observed between the samples roasted at 160 °C for 30 min and 200 °C for 15 min for both the white and brown rice, while white rice roasted at 160 °C for 15 min during roasting may be affected by the presence of fibre and/or fat in the cereal grains.
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Affiliation(s)
- H.N. Carbon
- Department of Animal, Veterinary, and Food Sciences, University of Idaho, 875 Perimeter Drive MS 2330, Moscow, ID 83844-2330, USA
| | - H.J. Lee
- Department of Animal, Veterinary, and Food Sciences, University of Idaho, 875 Perimeter Drive MS 2330, Moscow, ID 83844-2330, USA
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Lee HJ, Li S, Gu K, Ryu D. Reduction of Ochratoxin A during the Preparation of Porridge with Sodium Bicarbonate and Fructose. Toxins (Basel) 2021; 13:toxins13030224. [PMID: 33808596 PMCID: PMC8003377 DOI: 10.3390/toxins13030224] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/12/2021] [Accepted: 03/16/2021] [Indexed: 12/02/2022] Open
Abstract
Ochratoxin A (OTA) is a potential human carcinogen that poses a significant concern in food safety and public health. OTA has been found in a wide variety of agricultural commodities, including cereal grains. This study investigated the reduction of OTA during the preparation of rice- and oat-based porridge by a simulated indirect steam process. The effects of sodium bicarbonate (NaHCO3) and fructose on the reduction of OTA were also investigated. During the processing, OTA in rice- and oat-porridge was decreased by 59% and 14%, respectively, from initial OTA artificially added at 20 μg/kg (dry weight basis). When 0.5% and 1% of sodium bicarbonate were added to rice porridge, increased reduction of OTA was observed as 78% and 68%, respectively. The same amounts of added sodium bicarbonate also further reduced OTA in oat porridge to 58% and 72%, respectively. In addition, increased reduction of OTA in the presence of fructose was observed. A combination of the two, i.e., 0.5% sodium bicarbonate and 0.5% fructose, resulted in a 79% and 67% reduction in rice porridge and oat porridge, respectively. These results indicate that indirect steaming may effectively reduce OTA in preparation of porridge-type products, particularly when sodium bicarbonate and/or fructose are added.
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Affiliation(s)
- Hyun Jung Lee
- Department of Animal, Veterinary, and Food Sciences, University of Idaho, 875 Perimeter Drive MS 2330, Moscow, ID 83844-2330, USA
- Correspondence: (H.J.L.); (D.R.)
| | - Shufang Li
- Institute of Quality Standards and Testing Technology for Agro-Products, Henan Academy of Agricultural Science, Zhengzhou 450002, China;
| | - Kejia Gu
- School of Food Science, Washington State University, P.O. Box 646376, Pullman, WA 99164-6376, USA;
| | - Dojin Ryu
- Department of Animal, Veterinary, and Food Sciences, University of Idaho, 875 Perimeter Drive MS 2330, Moscow, ID 83844-2330, USA
- Correspondence: (H.J.L.); (D.R.)
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Gu K, Ryu D, Lee HJ. Ochratoxin A and its reaction products affected by sugars during heat processing. Food Chem 2021; 348:129038. [PMID: 33508597 DOI: 10.1016/j.foodchem.2021.129038] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 01/02/2021] [Accepted: 01/04/2021] [Indexed: 11/25/2022]
Abstract
Ochratoxin A (OTA) is a nephrotoxin produced by many species in two fungal genera of Aspergillus and Penicillium under virtually all agricultural environments. Hence, OTA occurs frequently in agricultural commodities and their downstream products worldwide. In this study, thermal stability of OTA in the presence of sugars commonly added to food products including glucose, fructose, and sucrose was investigated by analyzing their reaction products with HPLC-FLD and LC-MS/MS. Samples were heated at three different temperatures (100, 125, and 150 °C) in 10-min intervals for up to 60 min in the absence of food matrix. Analysis showed increased OTα and OTα-amide and decreased OTA isomer (14-R-OTA) formation when OTA was heated with sugars. Among the sugars tested, adding fructose resulted in significantly lower OTA levels than glucose, sucrose, or no sugar added control. Addition of fructose also shifted OTA degradation product profile to less toxic OTα-amide, instead of OTA isomer which has similar toxicity to OTA. These results suggest that added sugars influenced the levels of OTA and its degradation products formed during thermal processing, and may provide a means to reduce the toxicity of OTA in food.
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Affiliation(s)
- Kejia Gu
- School of Food Science, Washington State University, PO Box 646376, Pullman, WA 99164-6376, USA
| | - Dojin Ryu
- Department of Animal, Veterinary and Food Sciences, University of Idaho, 875 Perimeter Drive MS 2330, Moscow, ID 83844-2330, USA
| | - Hyun Jung Lee
- Department of Animal, Veterinary and Food Sciences, University of Idaho, 875 Perimeter Drive MS 2330, Moscow, ID 83844-2330, USA.
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Lee HJ, Lee C, Ryu D. Effects of baking soda and fructose in reduction of ochratoxin A in rice and oat porridge during retorting process. Food Control 2020. [DOI: 10.1016/j.foodcont.2020.107325] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Liu Y, Galani Yamdeu JH, Gong YY, Orfila C. A review of postharvest approaches to reduce fungal and mycotoxin contamination of foods. Compr Rev Food Sci Food Saf 2020; 19:1521-1560. [DOI: 10.1111/1541-4337.12562] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 03/07/2020] [Accepted: 03/24/2020] [Indexed: 12/15/2022]
Affiliation(s)
- Yue Liu
- Nutritional Science and Epidemiology Group, School of Food Science and NutritionUniversity of Leeds Leeds UK
| | - Joseph Hubert Galani Yamdeu
- Nutritional Science and Epidemiology Group, School of Food Science and NutritionUniversity of Leeds Leeds UK
| | - Yun Yun Gong
- Nutritional Science and Epidemiology Group, School of Food Science and NutritionUniversity of Leeds Leeds UK
| | - Caroline Orfila
- Nutritional Science and Epidemiology Group, School of Food Science and NutritionUniversity of Leeds Leeds UK
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Tittlemier S, Blagden R, Chan J, McMillan T, Pleskach K, Izydorczyk M. Effects of processing whole oats on the analysis and fate of mycotoxins and ergosterol. WORLD MYCOTOXIN J 2020. [DOI: 10.3920/wmj2019.2530] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Grinding and dividing equipment were evaluated for their ability to comminute and divide ground oats in preparation for mycotoxin analysis. Four different grinders, using various settings, were evaluated for their ability to comminute oats and produce small particle sizes. Rotor beater type grinders produced the more desirable finer ground samples as compared to burr type mills. Four different division methods (manual scooping, rotary sample division, and two designs of gravity-fed dividers) were assessed for their ability to produce sub-samples with consistent particle size fraction distributions. No practical differences were observed on the particle size fraction distribution of test portions of finely ground oats produced using the four different division methods; therefore, no effects on mycotoxin analysis were anticipated. The effects of processing naturally contaminated whole oats on mycotoxin concentrations was also assessed. Laboratory scale dehulling, steaming, and kilning were examined. Dehulling showed the greatest impact and removed 60-100% of various Fusarium- and Alternaria-produced mycotoxins, as well as ergosterol, present on the naturally contaminated whole oats. Different from the other analytes studied, only 48% of the mycotoxin plant transformation product deoxynivalenol-3-glucoside was present in hulls and removed during dehulling. Steaming and kilning appeared to increase ergosterol in groats, as well as decrease deoxynivalenol and deoxynivalenol-3- glucoside. The observed inconsistent changes in concentrations of tentoxin after heat treatment of groats appeared to be due to sample heterogeneity.
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Affiliation(s)
- S.A. Tittlemier
- Grain Research Laboratory, Canadian Grain Commission, 1404-303 Main St., Winnipeg, Manitoba R3C 3G8, Canada
| | - R. Blagden
- Grain Research Laboratory, Canadian Grain Commission, 1404-303 Main St., Winnipeg, Manitoba R3C 3G8, Canada
| | - J. Chan
- Grain Research Laboratory, Canadian Grain Commission, 1404-303 Main St., Winnipeg, Manitoba R3C 3G8, Canada
| | - T.L. McMillan
- Grain Research Laboratory, Canadian Grain Commission, 1404-303 Main St., Winnipeg, Manitoba R3C 3G8, Canada
| | - K. Pleskach
- Grain Research Laboratory, Canadian Grain Commission, 1404-303 Main St., Winnipeg, Manitoba R3C 3G8, Canada
| | - M.S. Izydorczyk
- Grain Research Laboratory, Canadian Grain Commission, 1404-303 Main St., Winnipeg, Manitoba R3C 3G8, Canada
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Ryu D, Kowalski RJ, Ganjyal G, Lee HJ. Reduction of ochratoxin A in oats and rice by twin-screw extrusion processing with baking soda. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.05.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Lee HJ, Gu BJ, Ganjyal G, Ryu D. Reduction of ochratoxin A in direct steam injected oat-based infant cereals with baking soda. Food Control 2019. [DOI: 10.1016/j.foodcont.2018.10.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Lee HJ, Kim S, Suh HJ, Ryu D. Effects of explosive puffing process on the reduction of ochratoxin A in rice and oats. Food Control 2019. [DOI: 10.1016/j.foodcont.2018.08.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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