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Long Y, Huang Y, Zhu M, Ma Y, Gan B, Wang Y, Yu Q, Xie J, Chen Y. Development of QuEChERS clean-up based on EMR-lipid for simultaneous analysis of 9 mycotoxins, acaylamide and 5-Hydroxymethylfurfural in biscuit by UHPLC-MS/MS. Food Chem 2023; 409:135265. [PMID: 36584524 DOI: 10.1016/j.foodchem.2022.135265] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 11/20/2022] [Accepted: 12/18/2022] [Indexed: 12/27/2022]
Abstract
A robust and sensitive analytical method for the simultaneous determination of 9 mycotoxins, AA, and 5-HMF by UHPLC-MS/MS was developed. Clean-up of the extracts was achieved by d-SPE with EMR-lipid. A new column phase (C18-PFP) was selected for HPLC separation after comparison with the C18 column. Finally, the method gave good linear relations with regression coefficients R2 > 0.99. The recovery of all the tested compounds was within the range of 70.67 to 104.88%, and the intraday and interday relative standard deviations (RSD) were lower than 12.49. The proposed method was then applied to investigate the mycotoxins, AA and 5-HMF in 20 food samples sold in the retail market. AA and 5-HMF were widely detected, and half of the samples were found to contain at least one mycotoxin contamination. Therefore, this method is potential to be used as a convenient and effective method for the cookies product quality control in the future.
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Affiliation(s)
- You Long
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Yousheng Huang
- Jiangxi Institute of Analysis and Testing, Nanchang 330029, China
| | - Mengting Zhu
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China
| | - Yingjie Ma
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Bei Gan
- Jiangxi Provincial Product Quality Supervision Testing College, Nanchang 330029, China
| | - YuanXing Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Qiang Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Yi Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China.
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2
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Jin Z, Sheng W, Liu J, Liu C, Ma Y, Wang S, Zhang W, Huang N. A fluorescence immunoassay based on GSH destroying MnO 2@QDs for the simultaneous ultrasensitive detection of four mycotoxins in cereals. Food Chem 2023; 420:136099. [PMID: 37037114 DOI: 10.1016/j.foodchem.2023.136099] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 03/26/2023] [Accepted: 03/31/2023] [Indexed: 04/12/2023]
Abstract
A novel fluorescence immunoassay based on MnO2 nanoflowers loading multicolor quantum dots and glutathione destroying MnO2 nanoflowers to release quantum dots combined with magnetic separation is developed for rapid, ultra-sensitive, and simultaneous quantitative detection of ochratoxin A, aflatoxin B1, fumonisin B1, and zearalenone in cereal samples. The test linear range of assay is from 0.001 to 200 μg L-1. The limit of detection for ochratoxin A, aflatoxin B1, fumonisin B1, and zearalenone is 0.0001 μg L-1, 0.0001 μg L-1, 0.0003 μg L-1, and 0.0001 μg L-1, respectively. The simultaneous detection of four mycotoxins can be achieve within 30 min. The test results of four mycotoxins in the incurred corn, rice, and oat samples have been confirmed by ultra-performance liquid chromatography tandem mass spectrometry, the differences between results are considered no significantly different (p > 0.05). This multiplexed test scheme has provided a potential analysis strategy for multiple food risk factors.
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Affiliation(s)
- Zixin Jin
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Wei Sheng
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Junli Liu
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Chenchen Liu
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yueru Ma
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Shuo Wang
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Wanli Zhang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Na Huang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Food Nutrition and Safety, Ministry of Education, Key Laboratory of Food Quality and Health of Tianjin, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, China
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3
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Liang SH, York JL, Konschnik JD, Majer H, Steimling JA. Simultaneous Determination of Alternaria Toxins, Ergot Alkaloid Epimers, and Other Major Mycotoxins in Various Food Matrixes by LC-MS/MS. J AOAC Int 2023; 106:333-340. [PMID: 36331343 DOI: 10.1093/jaoacint/qsac138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/21/2022] [Accepted: 10/26/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Various food commodities are vulnerable to different types of fungal pathogens and could be contaminated with differential classes of mycotoxins as a result. It is ideal to implement a generic method for the simultaneous determination of multi-mycotoxins in different food matrixes or agricultural products. OBJECTIVE In this study, a simplified sample preparation procedure and a reliable LC-MS/MS analytical method were developed for the comprehensive measurement of 37 regulated and emerging mycotoxins including five Alternaria toxins (ATs) and six major ergot alkaloids (EAs) and their corresponding epimers. Four different food commodities (baby wheat cereal, peanut, tomato puree, and blended flour) were chosen for method validation to demonstrate the applicability of this analytical method across a wide range of food types. METHODS Sample extraction was performed using a formic acid-acidified acetonitrile-water (4 + 1, v/v) solution followed by extract dry-down and reconstitution in a water-methanol (1 + 1, v/v) solution for analysis on a biphenyl LC column. Chromatographic analysis was performed using regular acidic LC conditions for baseline separation of ergot alkaloid epimers and completed with a short 11 min cycle time. RESULTS Accurate quantification was achieved using matrix-matched calibration standards in the range of 0.4 to 400 µg/kg. The recoveries of all mycotoxins (except citrinin) in fortified samples were from 70 to 120%, and the RSD was less than 20%. CONCLUSION The established workflow was simple and fast for multi-mycotoxin determination in a wide variety of food commodities with LOQs needed to meet the regulatory levels. HIGHLIGHTS The developed method provided the unique benefit of simultaneous analysis of Alternaria toxins (ATs) and ergot alkaloids (EAs) together with other major regulated mycotoxins.
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Affiliation(s)
- Shun-Hsin Liang
- Restek Corporation, 110 Benner Circle, Bellefonte, PA 16823, USA
| | - Jamie L York
- Restek Corporation, 110 Benner Circle, Bellefonte, PA 16823, USA
| | | | - Hansjoerg Majer
- Restek Corporation, 110 Benner Circle, Bellefonte, PA 16823, USA
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An accurate and efficient method for simultaneous determination of 16 trichothecenes in maize and wheat by UHPLC-Q-Orbitrap-HRMS combined one-step pretreatment with a novel isotope multipoint calibration strategy. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
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5
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Yang H, Wang W, Zeng L, Liang R, Xiao Q, Zhou Y, Wu W, Deng F. Development and optimization of a method based on dispersive solid phase extraction followed by ultra-high-performance liquid chromatography-quadrupole/orbitrap high-resolution mass spectrometry for simultaneous determination of 30 mycotoxins in Citrus products. J Sep Sci 2022; 45:4158-4166. [PMID: 36168883 DOI: 10.1002/jssc.202200584] [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: 07/18/2022] [Revised: 09/15/2022] [Accepted: 09/20/2022] [Indexed: 12/13/2022]
Abstract
Citrus, a raw material widely used in food and medicine, is susceptible to fungal infection and its metabolites during growth, transportation, and storage. Thus, monitoring the residual levels of various mycotoxins in Citrus traditional Chinese medicines and related products is crucial. This study described a simple, reliable, and sensitive method for simultaneous identification and quantification of 30 mycotoxins in Citrus products. The method is based on modified quick, easy, cheap, effective, rugged, and safe extraction and purification followed by ultra-high-performance liquid chromatography-quadrupole/orbitrap high-resolution mass spectrometry. The limit of detection ranged from 0.10 to 1.50 μg/kg, and the quantification ranged from 0.25 to 5.00 μg/kg. The recoveries at three spiked levels were 64.90-99.72% and the relative standard deviation was less than 12%. The method was applied to 55 Citrus samples. The detection rates of tentoxin and mycophenolic acid were the highest, reaching 22.7% and with concentration ranges of 0.33-1.03 and 0.57-2.09 μg/kg, respectively. All contamination levels were below the maximum residue limits recommended by the European Commission and China. These results could be used to establish guidelines for screening mycotoxins in Citrus products and the limits of acceptable levels.
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Affiliation(s)
- Huan Yang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, P. R. China
| | - Wei Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, P. R. China.,Chengdu Institute of Food Inspection, Chengdu, P. R. China
| | - Li Zeng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, P. R. China
| | - Run Liang
- Chengdu Institute of Food Inspection, Chengdu, P. R. China
| | - Quanwei Xiao
- Chengdu Institute of Food Inspection, Chengdu, P. R. China
| | - Yan Zhou
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, P. R. China.,University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Wenlin Wu
- Chengdu Institute of Food Inspection, Chengdu, P. R. China.,Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, P. R. China.,University of Chinese Academy of Sciences, Beijing, P. R. China
| | - Fang Deng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, P. R. China
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6
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Overview of Recent Liquid Chromatography Mass Spectrometry-Based Methods for Natural Toxins Detection in Food Products. Toxins (Basel) 2022; 14:toxins14050328. [PMID: 35622576 PMCID: PMC9143482 DOI: 10.3390/toxins14050328] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 01/25/2023] Open
Abstract
Natural toxins include a wide range of toxic metabolites also occurring in food and products, thus representing a risk for consumer health. In the last few decades, several robust and sensitive analytical methods able to determine their occurrence in food have been developed. Liquid chromatography mass spectrometry is the most powerful tool for the simultaneous detection of these toxins due to its advantages in terms of sensitivity and selectivity. A comprehensive review on the most relevant papers on methods based on liquid chromatography mass spectrometry for the analysis of mycotoxins, alkaloids, marine toxins, glycoalkaloids, cyanogenic glycosides and furocoumarins in food is reported herein. Specifically, a literature search from 2011 to 2021 was carried out, selecting a total of 96 papers. Different approaches to sample preparation, chromatographic separation and detection mode are discussed. Particular attention is given to the analytical performance characteristics obtained in the validation process and the relevant application to real samples.
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7
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Zainudin BH, Iskandar MI, Sharif S, Ahmad AA, Safian MF. Validation of quick and highly specific quantitation method of mycotoxin in cocoa beans by high resolution multiple reaction monitoring technique for reference materials analysis. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2021.104289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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8
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Xing J, Zhang Z, Zheng R, Xu X, Mao L, Lu J, Shen J, Dai X, Yang Z. Simultaneous Detection of Seven Alternaria Toxins in Mixed Fruit Puree by Ultra-High-Performance Liquid Chromatography-Tandem Mass Spectrometry Coupled with a Modified QuEChERS. Toxins (Basel) 2021; 13:toxins13110808. [PMID: 34822592 PMCID: PMC8619939 DOI: 10.3390/toxins13110808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/11/2021] [Accepted: 11/11/2021] [Indexed: 11/25/2022] Open
Abstract
The presence of Alternaria toxins (ATs) in fruit purees may cause potential harm to the life and health of consumers. As time passes, ATs have become the key detection objects in this kind of food. Based on this, a novel and rapid method was established in this paper for the simultaneous detection of seven ATS (tenuazonic acid, alternariol, alternariol monomethyl ether, altenuene, tentoxin, altenusin, and altertoxin I) in mixed fruit purees using ultra-high performance liquid chromatography-tandem mass spectrometry. The sample was prepared using the modified QuEChERS (quick, easy, cheap, effective, rugged, and safe) method to complete the extraction and clean-up steps in one procedure. In this QuEChERS method, sample was extracted with water and acetonitrile (1.5% formic acid), then salted out with NaCl, separated on an ACQUITY UPLC BEH C18 with gradient elution by using acetonitrile and 0.1% formic acid aqueous as eluent, and detected by UPLC-MS/MS under positive (ESI+) and negative (ESI−) electrospray ionization and MRM models. Results showed that the seven ATs exhibited a good linearity in the concentration range of 0.5–200 ng/mL with R2 > 0.9925, and the limits of detection (LODs) of the instrument were in the range of 0.18–0.53 μg/kg. The average recoveries ranged from 79.5% to 106.7%, with the relative standard deviations (RSDs) no more than 9.78% at spiked levels of 5, 10, and 20 μg/kg for seven ATs. The established method was applied to the determination and analysis of the seven ATs in 80 mixed fruit puree samples. The results showed that ATs were detected in 31 of the 80 samples, and the content of ATs ranged from 1.32 μg/kg to 54.89 μg/kg. Moreover, the content of TeA was the highest in the detected samples (23.32–54.89 μg/kg), while the detection rate of Ten (24/31 samples) was higher than the other ATs. Furthermore, the other five ATs had similar and lower levels of contamination. The method established in this paper is accurate, rapid, simple, sensitive, repeatable, and stable, and can be used for the practical determination of seven ATs in fruit puree or other similar samples. Moreover, this method could provide theory foundation for the establishment of limit standard of ATs and provide a reference for the development of similar detection standard methods in the future.
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Affiliation(s)
- Jiali Xing
- Ningbo Academy of Product and Food Quality Inspection (Ningbo Fibre Inspection Institute), Ningbo 315048, China; (J.X.); (X.X.); (L.M.); (J.L.); (J.S.)
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China;
| | - Zigeng Zhang
- College of Life Sciences, China Jiliang University, Hangzhou 310018, China;
| | - Ruihang Zheng
- Ningbo Academy of Product and Food Quality Inspection (Ningbo Fibre Inspection Institute), Ningbo 315048, China; (J.X.); (X.X.); (L.M.); (J.L.); (J.S.)
- Correspondence: (R.Z.); (X.D.); Tel.: +86-574-89078647 (R.Z.); +86-574-89077478 (X.D.)
| | - Xiaorong Xu
- Ningbo Academy of Product and Food Quality Inspection (Ningbo Fibre Inspection Institute), Ningbo 315048, China; (J.X.); (X.X.); (L.M.); (J.L.); (J.S.)
| | - Lingyan Mao
- Ningbo Academy of Product and Food Quality Inspection (Ningbo Fibre Inspection Institute), Ningbo 315048, China; (J.X.); (X.X.); (L.M.); (J.L.); (J.S.)
| | - Jingping Lu
- Ningbo Academy of Product and Food Quality Inspection (Ningbo Fibre Inspection Institute), Ningbo 315048, China; (J.X.); (X.X.); (L.M.); (J.L.); (J.S.)
| | - Jian Shen
- Ningbo Academy of Product and Food Quality Inspection (Ningbo Fibre Inspection Institute), Ningbo 315048, China; (J.X.); (X.X.); (L.M.); (J.L.); (J.S.)
| | - Xianjun Dai
- College of Life Sciences, China Jiliang University, Hangzhou 310018, China;
- Correspondence: (R.Z.); (X.D.); Tel.: +86-574-89078647 (R.Z.); +86-574-89077478 (X.D.)
| | - Zhenfeng Yang
- College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo 315100, China;
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9
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Zhao X, Liu D, Zhang L, Zhou Y, Yang M. Development and optimization of a method based on QuEChERS-dSPE followed by UPLC-MS/MS for the simultaneous determination of 21 mycotoxins in nutmeg and related products. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106499] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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10
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Bochetto A, Merino N, Kaplan M, Guiñez M, Cerutti S. Design of a combined microextraction and back-extraction technique for the analysis of mycotoxins in amaranth seeds. J Food Compost Anal 2021. [DOI: 10.1016/j.jfca.2021.103818] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Pantano L, La Scala L, Olibrio F, Galluzzo FG, Bongiorno C, Buscemi MD, Macaluso A, Vella A. QuEChERS LC-MS/MS Screening Method for Mycotoxin Detection in Cereal Products and Spices. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:3774. [PMID: 33916634 PMCID: PMC8038554 DOI: 10.3390/ijerph18073774] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/29/2021] [Accepted: 04/02/2021] [Indexed: 12/11/2022]
Abstract
We developed and validated a screening method for mycotoxin analysis in cereal products and spices. Ultra-high-performance liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS) was used for the analysis. Dispersive solid-phase extractions (d-SPEs) were used for the extraction of samples. Ochratoxin A (OTA), zearalenone (ZEA), aflatoxins (AFLA; AFB1, AFB2, AFG1, AFG2), deoxynivalenol (DON), fumonisin (FUMO; FB1, FB2, FB3), T2, and HT2 were validated in maize. AFLA and DON were validated in black pepper. The method satisfies the requirements of Commission Regulation (EC) no. 401/2006 and (EC) no. 1881/2006. The screening target concentration (STC) was under maximum permitted levels (MLs) for all mycotoxins validated. The method's performance was assessed by two different proficiencies and tested with 100 real samples.
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Affiliation(s)
- Licia Pantano
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy; (L.P.); (L.L.S.); (F.O.); (C.B.); (M.D.B.); (A.M.); (A.V.)
| | - Ladislao La Scala
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy; (L.P.); (L.L.S.); (F.O.); (C.B.); (M.D.B.); (A.M.); (A.V.)
| | - Francesco Olibrio
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy; (L.P.); (L.L.S.); (F.O.); (C.B.); (M.D.B.); (A.M.); (A.V.)
| | - Francesco Giuseppe Galluzzo
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy; (L.P.); (L.L.S.); (F.O.); (C.B.); (M.D.B.); (A.M.); (A.V.)
- Dipartimento di Scienze della Vita, Università degli studi di Modena e Reggio Emilia, Via Università 4, 41121 Modena, Italy
| | - Carmelo Bongiorno
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy; (L.P.); (L.L.S.); (F.O.); (C.B.); (M.D.B.); (A.M.); (A.V.)
| | - Maria Drussilla Buscemi
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy; (L.P.); (L.L.S.); (F.O.); (C.B.); (M.D.B.); (A.M.); (A.V.)
| | - Andrea Macaluso
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy; (L.P.); (L.L.S.); (F.O.); (C.B.); (M.D.B.); (A.M.); (A.V.)
| | - Antonio Vella
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy; (L.P.); (L.L.S.); (F.O.); (C.B.); (M.D.B.); (A.M.); (A.V.)
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12
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Mirón-Mérida VA, Gong YY, Goycoolea FM. Aptamer-based detection of fumonisin B1: A critical review. Anal Chim Acta 2021; 1160:338395. [PMID: 33894965 DOI: 10.1016/j.aca.2021.338395] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/02/2021] [Accepted: 03/05/2021] [Indexed: 01/07/2023]
Abstract
Mycotoxin contamination is a current issue affecting several crops and processed products worldwide. Among the diverse mycotoxin group, fumonisin B1 (FB1) has become a relevant compound because of its adverse effects in the food chain. Conventional analytical methods previously proposed to quantify FB1 comprise LC-MS, HPLC-FLD and ELISA, while novel approaches integrate different sensing platforms and fluorescently labelled agents in combination with antibodies. Nevertheless, such methods could be expensive, time-consuming and require experience. Aptamers (ssDNA) are promising alternatives to overcome some of the drawbacks of conventional analytical methods, their high affinity through specific aptamer-target binding has been exploited in various designs attaining favorable limits of detection (LOD). So far, two aptamers specific to FB1 have been reported, and their modified and shortened sequences have been explored for a successful target quantification. In this critical review spanning the last eight years, we have conducted a systematic comparison based on principal component analysis of the aptamer-based techniques for FB1, compared with chromatographic, immunological and other analytical methods. We have also conducted an in-silico prediction of the folded structure of both aptamers under their reported conditions. The potential of aptasensors for the future development of highly sensitive FB1 testing methods is emphasized.
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Affiliation(s)
| | - Yun Yun Gong
- School of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, United Kingdom.
| | - Francisco M Goycoolea
- School of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, United Kingdom.
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González-Jartín JM, Alfonso A, Sainz MJ, Vieytes MR, Botana LM. Multi-detection method for mycotoxins with a modified QuEChERS extraction in feed and development of a simple detoxification procedure. Anim Feed Sci Technol 2021. [DOI: 10.1016/j.anifeedsci.2020.114745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Kumari A, Joshua R, Kumar R, Ahlawat P, Sindhu SC. Fungal Mycotoxins: Occurrence and Detection. Fungal Biol 2021. [DOI: 10.1007/978-3-030-68260-6_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Tebele SM, Gbashi S, Adebo O, Changwa R, Naidu K, Njobeh PB. Quantification of multi-mycotoxin in cereals (maize, maize porridge, sorghum and wheat) from Limpopo province of South Africa. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2020; 37:1922-1938. [PMID: 32897164 DOI: 10.1080/19440049.2020.1808715] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Mycotoxins are secondary metabolites that are produced by filamentous mycotoxigenic fungi belonging to the Alternaria, Aspergillus, Fusarium and Penicillium genera amongst others. Multi-class mycotoxins were extracted from 55 cereal samples and analysed using liquid chromatography-tandem mass spectrometry. The adopted extraction method for maize, maize porridge, sorghum and wheat was comprehensively validated. This method was further tested to determine the natural occurrence of mycotoxins in foodstuffs. Twelve (12) out of 22 mycotoxins were detected in maize, maize porridge, sorghum and wheat, including α-zearalenol (α-ZEL) (89%), fumonisin B3 (FB3) (84%), fumonisin B1 (FB1) (80%), tenuazonic acid (TeA) (78%), ochratoxin B (42%), deoxynivalenol (DON) (12%), ochratoxin A (11%), 3-acetyldeoxynivalenol (7%), sterigmatocystin (STG) (6%), 15-acetyldeoxynivalenol (2%), cyclopiazonic acid (CPA) (2%) and aflatoxin B2 (2%). The data revealed high incidence rate of α-ZEL (range: 6.5-70.5 µg kg-1) in all matrices. Maize samples had high mycotoxin co-occurrence compared to other matrices. All recovered mycotoxins in food commodities were within the maximum regulatory limits, with the exception of fumonisins (FB1 and FB3) exceeded the South African and European Commission regulation, and the highest concentration was 2153 µg kg-1 in maize. It is essential to monitor the level of emerging mycotoxins in food commodities from rural areas as trace amount of CPA (< limit of quantification), STG (range: 0.30-0.74 µg kg-1) were detected and high concentration of TeA (292.7 µg kg-1) was detected in sorghum. The occurrence of these mycotoxins further encourages frequent analyses, their co-occurrence in the samples poses a significant threat to public health and more emphasis should thus be placed on reducing the contamination levels of these toxins in staples.
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Affiliation(s)
- Shandry Mmasetshaba Tebele
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus , Doornfontein, South Africa
| | - Sefater Gbashi
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus , Doornfontein, South Africa
| | - Oluwafemi Adebo
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus , Doornfontein, South Africa
| | - Rumbidzai Changwa
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus , Doornfontein, South Africa
| | - Kayleen Naidu
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus , Doornfontein, South Africa
| | - Patrick Berka Njobeh
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, Doornfontein Campus , Doornfontein, South Africa
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16
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Determination of Multi-Class Mycotoxins in Apples and Tomatoes by Combined Use of QuEChERS Method and Ultra-High-Performance Liquid Chromatography Tandem Mass Spectrometry. FOOD ANAL METHOD 2020. [DOI: 10.1007/s12161-020-01753-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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17
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Vaz A, Cabral Silva AC, Rodrigues P, Venâncio A. Detection Methods for Aflatoxin M1 in Dairy Products. Microorganisms 2020; 8:E246. [PMID: 32059461 PMCID: PMC7074771 DOI: 10.3390/microorganisms8020246] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/06/2020] [Accepted: 02/10/2020] [Indexed: 12/13/2022] Open
Abstract
Mycotoxins are toxic compounds produced mainly by fungi of the genera Aspergillus, Fusarium and Penicillium. In the food chain, the original mycotoxin may be transformed in other toxic compounds, reaching the consumer. A good example is the occurrence of aflatoxin M1 (AFM1) in dairy products, which is due to the presence of aflatoxin B1 (AFB1) in the animal feed. Thus, milk-based foods, such as cheese and yogurts, may be contaminated with this toxin, which, although less toxic than AFB1, also exhibits hepatotoxic and carcinogenic effects and is relatively stable during pasteurization, storage and processing. For this reason, the establishment of allowed maximum limits in dairy products and the development of methodologies for its detection and quantification are of extreme importance. There are several methods for the detection of AFM1 in dairy products. Usually, the analytical procedures go through the following stages: sampling, extraction, clean-up, determination and quantification. For the extraction stage, the use of organic solvents (as acetonitrile and methanol) is still the most common, but recent advances include the use of the Quick, Easy, Cheap, Effective, Rugged, and Safe method (QuEChERS) and proteolytic enzymes, which have been demonstrated to be good alternatives. For the clean-up stage, the high selectivity of immunoaffinity columns is still a good option, but alternative and cheaper techniques are becoming more competitive. Regarding quantification of the toxin, screening strategies include the use of the enzyme-linked immunosorbent assay (ELISA) to select presumptive positive samples from a wider range of samples, and more reliable methods-high performance liquid chromatography with fluorescence detection or mass spectroscopy-for the separation, identification and quantification of the toxin.
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Affiliation(s)
- Andreia Vaz
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; (A.V.); (A.C.C.S.)
| | - Ana C. Cabral Silva
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; (A.V.); (A.C.C.S.)
| | - Paula Rodrigues
- CIMO—Mountain Research Center, Bragança Polytechnic Institute, Campus de Santa Apolónia, 5300-253 Bragança, Portugal;
| | - Armando Venâncio
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal; (A.V.); (A.C.C.S.)
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18
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Eshelli M, Qader MM, Jambi EJ, Hursthouse AS, Rateb ME. Current Status and Future Opportunities of Omics Tools in Mycotoxin Research. Toxins (Basel) 2018; 10:E433. [PMID: 30373184 PMCID: PMC6267353 DOI: 10.3390/toxins10110433] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 10/20/2018] [Accepted: 10/24/2018] [Indexed: 12/12/2022] Open
Abstract
Mycotoxins are toxic secondary metabolites of low molecular weight produced by filamentous fungi, such as Aspergillus, Fusarium, and Penicillium spp. Mycotoxins are natural contaminants of agricultural commodities and their prevalence may increase due to global warming. Dangerous mycotoxins cause a variety of health problems not only for humans, but also for animals. For instance, they possess carcinogenic, immunosuppressive, hepatotoxic, nephrotoxic, and neurotoxic effects. Hence, various approaches have been used to assess and control mycotoxin contamination. Significant challenges still exist because of the complex heterogeneous nature of food composition. The potential of combined omics approaches such as metabolomics, genomics, transcriptomics, and proteomics would contribute to our understanding about pathogen fungal crosstalk as well as strengthen our ability to identify, isolate, and characterise mycotoxins pre and post-harvest. Multi-omics approaches along with advanced analytical tools and chemometrics provide a complete annotation of such metabolites produced before/during the contamination of crops. We have assessed the merits of these individual and combined omics approaches and their promising applications to mitigate the issue of mycotoxin contamination. The data included in this review focus on aflatoxin, ochratoxin, and patulin and would be useful as benchmark information for future research.
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Affiliation(s)
- Manal Eshelli
- School of Computing, Engineering, & Physical Sciences, University of the West of Scotland, Paisley PA1 2BE, UK.
- Food Science and Technology Department, Faculty of Agriculture, University of Tripoli, Tripoli 13538, Libya.
| | - M Mallique Qader
- School of Computing, Engineering, & Physical Sciences, University of the West of Scotland, Paisley PA1 2BE, UK.
- National Institute of Fundamental Studies, Hantana Road, Kandy 20000, Sri Lanka.
| | - Ebtihaj J Jambi
- Biochemistry Department, Faculty of Science, Girls Section, King Abdulaziz University, Jeddah 21551, Saudi Arabia.
| | - Andrew S Hursthouse
- School of Computing, Engineering, & Physical Sciences, University of the West of Scotland, Paisley PA1 2BE, UK.
| | - Mostafa E Rateb
- School of Computing, Engineering, & Physical Sciences, University of the West of Scotland, Paisley PA1 2BE, UK.
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19
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Shao M, Li L, Gu Z, Yao M, Xu D, Fan W, Yan L, Song S. Mycotoxins in commercial dry pet food in China. FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE 2018; 11:237-245. [DOI: 10.1080/19393210.2018.1475425] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Manyu Shao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Li Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Zuli Gu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, China
| | - Ming Yao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Danning Xu
- College of Animal Science & Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, China
| | - Wentao Fan
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Liping Yan
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
| | - Suquan Song
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China
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20
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De Berardis S, De Paola EL, Montevecchi G, Garbini D, Masino F, Antonelli A, Melucci D. Determination of four Alternaria alternata mycotoxins by QuEChERS approach coupled with liquid chromatography-tandem mass spectrometry in tomato-based and fruit-based products. Food Res Int 2018; 106:677-685. [PMID: 29579974 DOI: 10.1016/j.foodres.2018.01.032] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Revised: 12/30/2017] [Accepted: 01/16/2018] [Indexed: 10/18/2022]
Abstract
A liquid chromatography-tandem mass spectrometry method for the determination of four Alternaria toxins, i.e. alternariol, alternariol monomethyl ether, tentoxin, and tenuazonic acid in tomato-based and fruit-based products was developed using a QuEChERs approach for the extraction of the mycotoxins. To optimise the QuEChERs extraction, several parameters were tested: types of QuEChERs pouches, sample weights, quantities of added water, use of dispersive SPE as a purification step, types of solvent and conditions of shaking. The method showed good linearity (R2 > 0.997) and precision (RSD% < 10) for all analytes. Tenuazonic acid showed very good recovery (98.8%-108.9%) for tomato-based products, as well as for fruit-based products. The method was successfully applied to 57 samples collected from the Italian market. Tenuazonic acid was found in appreciable concentrations in some products. The highest value was found in a tomato sauce sample (814 μg/kg).
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Affiliation(s)
- Sara De Berardis
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Eleonora Laura De Paola
- Department of Life Science (Agro-Food Science Area), University of Modena and Reggio Emilia, Via G. Amendola 2 (Padiglione Besta), 42122 Reggio Emilia, Italy
| | - Giuseppe Montevecchi
- BIOGEST - SITEIA Interdepartmental Centre, University of Modena and Reggio Emilia, Piazzale Europa 1, 42124 Reggio Emilia, Italy.
| | - Davide Garbini
- Coop Italia soc.coop., Via del Lavoro 6/8, 40033, Casalecchio di Reno, Bologna, Italy
| | - Francesca Masino
- Department of Life Science (Agro-Food Science Area), University of Modena and Reggio Emilia, Via G. Amendola 2 (Padiglione Besta), 42122 Reggio Emilia, Italy; BIOGEST - SITEIA Interdepartmental Centre, University of Modena and Reggio Emilia, Piazzale Europa 1, 42124 Reggio Emilia, Italy
| | - Andrea Antonelli
- Department of Life Science (Agro-Food Science Area), University of Modena and Reggio Emilia, Via G. Amendola 2 (Padiglione Besta), 42122 Reggio Emilia, Italy; BIOGEST - SITEIA Interdepartmental Centre, University of Modena and Reggio Emilia, Piazzale Europa 1, 42124 Reggio Emilia, Italy
| | - Dora Melucci
- Department of Chemistry "Giacomo Ciamician", University of Bologna, Via Selmi 2, 40126 Bologna, Italy
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21
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Laganà A. Introduction to the Toxins Special Issue on LC-MS/MS Methods for Mycotoxin Analysis. Toxins (Basel) 2017; 9:toxins9100325. [PMID: 29035304 PMCID: PMC5666372 DOI: 10.3390/toxins9100325] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 09/27/2017] [Accepted: 10/10/2017] [Indexed: 01/09/2023] Open
Affiliation(s)
- Aldo Laganà
- Department of Chemistry, Università di Roma "La Sapienza", Piazzale Aldo Moro 5, 00185 Rome, Italy.
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22
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Sadhasivam S, Britzi M, Zakin V, Kostyukovsky M, Trostanetsky A, Quinn E, Sionov E. Rapid Detection and Identification of Mycotoxigenic Fungi and Mycotoxins in Stored Wheat Grain. Toxins (Basel) 2017; 9:toxins9100302. [PMID: 28946706 PMCID: PMC5666349 DOI: 10.3390/toxins9100302] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 09/19/2017] [Accepted: 09/20/2017] [Indexed: 02/06/2023] Open
Abstract
This study aimed to assess the occurrence of toxigenic fungi and mycotoxin contamination in stored wheat grains by using advanced molecular and analytical techniques. A multiplex polymerase chain reaction (PCR) strategy was established for rapid identification of mycotoxigenic fungi, and an improved analytical method was developed for simultaneous multi-mycotoxin determination in wheat grains by liquid chromatography-tandem mass spectrometry (LC/MS/MS) without the need for any clean-up. The optimized multiplex PCR method was highly specific in detecting fungal species containing species-specific and mycotoxin metabolic pathway genes. The method was applied for evaluation of 34 wheat grain samples collected from storage warehouses for the presence of mycotoxin-producing fungi, and a few samples were found positive for Fusarium and Aspergillus species. Further chemical analysis revealed that 17 samples contained mycotoxins above the level of detection, but only six samples were found to be contaminated over the EU regulatory limits with at least one mycotoxin. Aflatoxin B1, fumonisins, and deoxynivalenol were the most common toxins found in these samples. The results showed a strong correlation between the presence of mycotoxin biosynthesis genes as analyzed by multiplex PCR and mycotoxin detection by LC/MS/MS. The present findings indicate that a combined approach might provide rapid, accurate, and sensitive detection of mycotoxigenic species and mycotoxins in wheat grains.
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Affiliation(s)
- Sudharsan Sadhasivam
- Department of Food Quality and Safety, Institute for Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Center, Rishon LeZion 7528809, Israel.
| | - Malka Britzi
- National Residue Control Laboratory, Kimron Veterinary Institute, Bet Dagan 50250, Israel.
| | - Varda Zakin
- Department of Food Quality and Safety, Institute for Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Center, Rishon LeZion 7528809, Israel.
| | - Moshe Kostyukovsky
- Department of Food Quality and Safety, Institute for Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Center, Rishon LeZion 7528809, Israel.
| | - Anatoly Trostanetsky
- Department of Food Quality and Safety, Institute for Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Center, Rishon LeZion 7528809, Israel.
| | - Elazar Quinn
- Department of Food Quality and Safety, Institute for Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Center, Rishon LeZion 7528809, Israel.
| | - Edward Sionov
- Department of Food Quality and Safety, Institute for Postharvest and Food Sciences, Agricultural Research Organization, The Volcani Center, Rishon LeZion 7528809, Israel.
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23
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Alshannaq A, Yu JH. Occurrence, Toxicity, and Analysis of Major Mycotoxins in Food. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:E632. [PMID: 28608841 PMCID: PMC5486318 DOI: 10.3390/ijerph14060632] [Citation(s) in RCA: 600] [Impact Index Per Article: 85.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 06/06/2017] [Accepted: 06/06/2017] [Indexed: 11/16/2022]
Abstract
Mycotoxins are toxic secondary metabolites produced by certain filamentous fungi (molds). These low molecular weight compounds (usually less than 1000 Daltons) are naturally occurring and practically unavoidable. They can enter our food chain either directly from plant-based food components contaminated with mycotoxins or by indirect contamination from the growth of toxigenic fungi on food. Mycotoxins can accumulate in maturing corn, cereals, soybeans, sorghum, peanuts, and other food and feed crops in the field and in grain during transportation. Consumption of mycotoxin-contaminated food or feed can cause acute or chronic toxicity in human and animals. In addition to concerns over adverse effects from direct consumption of mycotoxin-contaminated foods and feeds, there is also public health concern over the potential ingestion of animal-derived food products, such as meat, milk, or eggs, containing residues or metabolites of mycotoxins. Members of three fungal genera, Aspergillus, Fusarium, and Penicillium, are the major mycotoxin producers. While over 300 mycotoxins have been identified, six (aflatoxins, trichothecenes, zearalenone, fumonisins, ochratoxins, and patulin) are regularly found in food, posing unpredictable and ongoing food safety problems worldwide. This review summarizes the toxicity of the six mycotoxins, foods commonly contaminated by one or more of them, and the current methods for detection and analysis of these mycotoxins.
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Affiliation(s)
- Ahmad Alshannaq
- Department of Food Science, University of Wisconsin-Madison, 1550 Linden Drive, Madison, WI 53706, USA.
- Food Research Institute, University of Wisconsin-Madison, 1550 Linden Drive, Madison, WI 53706, USA.
| | - Jae-Hyuk Yu
- Food Research Institute, University of Wisconsin-Madison, 1550 Linden Drive, Madison, WI 53706, USA.
- Department of Bacteriology, University of Wisconsin-Madison, 1550 Linden Drive, Madison, WI 53706, USA.
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24
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Wu L, Qiu L, Zhang H, Sun J, Hu X, Wang B. Optimization for the Production of Deoxynivalenoland Zearalenone by Fusarium graminearum UsingResponse Surface Methodology. Toxins (Basel) 2017; 9:toxins9020057. [PMID: 28208576 PMCID: PMC5331436 DOI: 10.3390/toxins9020057] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 01/26/2017] [Accepted: 02/04/2017] [Indexed: 11/16/2022] Open
Abstract
Fusarium mycotoxins deoxynivalenol (DON) and zearalenone (ZEN) are the most common contaminants in cereals worldwide, causing a wide range of adverse health effects on animals and humans. Many environmental factors can affect the production of these mycotoxins. Here, we have used response surface methodology (RSM) to optimize the Fusarium graminearum strain 29 culture conditions for maximal toxin production. Three factors, medium pH, incubation temperature and time, were optimized using a Box-Behnken design (BBD). The optimized conditions for DON production were pH 4.91 and an incubation temperature of 23.75 °C for 28 days, while maximal ZEN production required pH 9.00 and an incubation temperature of 15.05 °C for 28 days. The maximum levels of DON and ZEN production were 2811.17 ng/mL and 23789.70 ng/mL, respectively. Considering the total level of DON and ZEN, desirable yields of the mycotoxins were still obtained with medium pH of 6.86, an incubation temperature of 17.76 °C and a time of 28 days. The corresponding experimental values, from the validation experiments, fitted well with these predictions. This suggests that RSM could be used to optimize Fusarium mycotoxin levels, which are further purified for use as potential mycotoxin standards. Furthermore, it shows that acidic pH is a determinant for DON production, while an alkaline environment and lower temperature (approximately 15 °C) are favorable for ZEN accumulation. After extraction, separation and purification processes, the isolated mycotoxins were obtained through a simple purification process, with desirable yields, and acceptable purity. The mycotoxins could be used as potential analytical standards or chemical reagents for routine analysis.
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Affiliation(s)
- Li Wu
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South St., Haidian District, Beijing 100081, China.
- Laboratory of Quality and Safety Risk Assessment for Cereal Products (Beijing), Ministry of Agriculture, Beijing 100081, China.
| | - Lijuan Qiu
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South St., Haidian District, Beijing 100081, China.
| | - Huijie Zhang
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South St., Haidian District, Beijing 100081, China.
- Laboratory of Quality and Safety Risk Assessment for Cereal Products (Beijing), Ministry of Agriculture, Beijing 100081, China.
| | - Juan Sun
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South St., Haidian District, Beijing 100081, China.
- Laboratory of Quality and Safety Risk Assessment for Cereal Products (Beijing), Ministry of Agriculture, Beijing 100081, China.
| | - Xuexu Hu
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South St., Haidian District, Beijing 100081, China.
- Laboratory of Quality and Safety Risk Assessment for Cereal Products (Beijing), Ministry of Agriculture, Beijing 100081, China.
| | - Bujun Wang
- Institute of Crop Science, Chinese Academy of Agricultural Sciences, No.12 Zhongguancun South St., Haidian District, Beijing 100081, China.
- Laboratory of Quality and Safety Risk Assessment for Cereal Products (Beijing), Ministry of Agriculture, Beijing 100081, China.
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