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Author: V. Betina
Publisher: Elsevier
ISBN: 9780080858623
Category : Science
Languages : en
Pages : 433
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Book Description
This work comprises two parts, Part A: Techniques and Part B: Applications. In Part A the most important principles of sample preparation, extraction, clean-up, and of established and prospective chromatographic techniques are discussed in relation to mycotoxins. In Part B the most important data, scattered in the literature, on thin-layer, liquid, and gas chromatography of mycotoxins have been compiled. Mycotoxins are mostly arranged according to families, such as aflatoxins, trichothecenes, lactones etc. Chromatography of individual important mycotoxins and multi-mycotoxin chromatographic analyses are also included. Applications are presented in three chapters devoted to thin-layer, liquid, and gas chromatography of mycotoxins.
Author: V. Betina
Publisher: Elsevier
ISBN: 9780080858623
Category : Science
Languages : en
Pages : 433
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Book Description
This work comprises two parts, Part A: Techniques and Part B: Applications. In Part A the most important principles of sample preparation, extraction, clean-up, and of established and prospective chromatographic techniques are discussed in relation to mycotoxins. In Part B the most important data, scattered in the literature, on thin-layer, liquid, and gas chromatography of mycotoxins have been compiled. Mycotoxins are mostly arranged according to families, such as aflatoxins, trichothecenes, lactones etc. Chromatography of individual important mycotoxins and multi-mycotoxin chromatographic analyses are also included. Applications are presented in three chapters devoted to thin-layer, liquid, and gas chromatography of mycotoxins.
Author: Aldo Laganà
Publisher: MDPI
ISBN: 3038426067
Category : Electronic books
Languages : en
Pages : 195
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Book Description
This book is a printed edition of the Special Issue "LC-MS/MS Method for Mycotoxin Analysis" that was published in Toxins
Author: Richard J. Cole
Publisher: Elsevier
ISBN: 0323148530
Category : Science
Languages : en
Pages : 487
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Book Description
Modern Methods in the Analysis and Structural Elucidation of Mycotoxins presents available methods of analysis and structural elucidation of mycotoxins by recognized experts in the various disciplines. The approach in each chapter of the book is to present each method initially in theoretical terms and then to review the method as it specifically applies to the analysis and/or structural elucidation of mycotoxins. Comprised of 15 chapters, the book's opening chapters deal with screening, sampling, and survey methods for mycotoxins and toxigenic fungi. This is followed by chapters dealing mostly with methods for structural elucidation, such as NMR and X-ray crystallography and IR and UV spectroscopy, as well as biosynthetic techniques. Significant chapters consider the analytical methods for mycotoxin analyses, including enzyme-linked immunosorbent assay system and tandem mass spectrometry. The concluding chapter examines the mycotoxin analytical problem in taxonomic or ecological terms. This book is of value to food and feed researchers, scientists, and manufacturers who are interested in product contamination control.
Author: Vladimír Betina
Publisher: Elsevier Publishing Company
ISBN:
Category : Mycotoxins
Languages : en
Pages : 544
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Book Description
Author: Laura Gámiz-Gracia
Publisher: MDPI
ISBN: 3039362062
Category : Science
Languages : en
Pages : 302
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Book Description
Mycotoxins are secondary metabolites produced by the fungi of different species (mainly Aspergillus, Fusarium, and Penicillium), with toxic effects for humans and animals. These mycotoxins can contaminate food and feed. The European Union (EU) has established the maximum permitted or recommended levels for well-known mycotoxins in different foodstuffs. However, there are other mycotoxins that are not included in the regulations: the “emerging mycotoxins” (whose toxicity is still not clear), and the “modified or masked mycotoxins” (produced as a consequence of a detoxification strategy of the host plant of the fungus or during food processing). These mycotoxins could pose a risk and should also be taken into account. In order to assure consumers’ health, analytical methods for the accurate determination of mycotoxins in different food matrices and feeds are required. In this sense, liquid chromatography tandem mass spectrometry (LC–MS/MS) is a powerful tool for their unique identification and quantification. Moreover, the use of high-resolution mass spectrometry (HRMS) allows one to identify novel mycotoxins and targeted/untargeted approaches for study. This Special Issue compiles recent applications of LC–MS/MS in mycotoxin studies, as well as the development and validation of new analytical methods for their identification and quantification in different food matrices and feed, occurrence studies, and the biomonitoring of mycotoxins and their metabolites in biological fluids.
Author: Vladimír Betina
Publisher: Elsevier Publishing Company
ISBN: 9780444815217
Category : Science
Languages : en
Pages : 440
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Book Description
Sampling, sampling preparation, extraction and clean-up. techniques of thin layer chromatography. techniques of liquid column chromatography. Techniques of gas chromatography. Emerging techniques: Immunoaffinity chromatography, enzyme-linked immunosorbent assay (ELISA) as alternatives to chromatographic methods. Thin-layer chromatography of mycotoxins. liquid column chromatography of mycotocxins. gas chromatography of mycotoxins.
Author: R. Romero-González
Publisher:
ISBN: 9781617284427
Category : Medical
Languages : en
Pages : 63
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Book Description
Author: Cristina Juan García
Publisher: MDPI
ISBN: 3036514163
Category : Medical
Languages : en
Pages : 156
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Book Description
The evaluation of the presence of mycotoxins in different matrices is achieved through different analytical tools (including quantitative or qualitative determinations). Studies of mycotoxin isolation, using chromatographyc equipment coupled to spectrometry detectors (QTrap-MS/MS, MS/MS tandem, QTOF-MS/MS), are the most useful tools to control their presence. All these studies represent key steps in the establishment of the limits of detection, limits of quantification, points of identification, accuracy, reproducibility, and repeatability of different procedures. The maximum permitted or recommended levels for mycotoxins in different matrices are within a wide range (including the levels tolerated by infants and animals). In addition, decontaminated strategies, as well as control and evaluation of exposure, are demanded by authorities and food safety systems. These authorities are not only concerned with the determination of mycotoxin presence but also with the toxicological effects of mycotoxins, and in vivo or in vitro assays are necessary for a complete evaluation. In fact, these assays are the basis for the control and prevention of population exposure to mycotoxins in dietary exposure studies. The most recent surveys focused on regulated mycotoxins (aflatoxins, fumonisins, trichothecenes, and zearalenones) and emerging toxins, such as enniatins and beauvericin in adult consumers, while very few studies have monitored mycotoxin levels in infant products. This Book of Toxins comprises 11 original contributions and one review. New findings regarding presence of mycotoxins in aromatic and medicinal plants, mango and orange juice, juices, pulps, jams, and beer, from Morocco, Pakistan, and Portugal are reported. In these studies, innovative techniques to study their presence has been developed, including liquid chromatography coupled with time-of-flight mass spectrometry to analyse mycotoxins and conjugated mycotoxins. Novel strategies to detect mycotoxin presence and comparisons the characteristics of a rapid quantitative analysis of different mycotoxins (deoxynivalenol, ochratoxin A, patulin, sterigmatocystin, and zearalenone) are also presented using acetyl- and butyrylcholinesterases and photobacterial strains of luminescent cells. Additionally, toxicological effects of zearalenone metabolites and beauvericin on SH-SY5Y neuronal cells are presented. One important point in the control of mycotoxins is related to decontaminated strategies, and in this sense the efficacy of potentially probiotic fruit-derived Lactobacillus isolates in removing aflatoxin M1 (AFM1) is presented. Other mycotoxin decontaminated techniques included in this book are electron beam irradiation (EBI) and degradation of zearalenone and ochratoxin A using ozone. Finally, a review that summarizes the newly discovered macrocyclic trichothecenes and their bioactivities over the last decade is included.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789251029473
Category : Business & Economics
Languages : en
Pages : 122
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Book Description
Organizational aspects of training courses. Mycotoxins: significance and analysis. Laboratory procedures. Thin layer chromatography laboratory techniques. Thin layer chromatographic methods for the determination of aflatoxin in foods and animal feeds. Enzyme-linked immunosorbent assay for the determination of aflatoxin in foods and animal feeds.
Author: Solomon Kadis
Publisher: Elsevier
ISBN: 1483259684
Category : Medical
Languages : en
Pages : 419
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Book Description
Microbial Toxins: A Comprehensive Treatise, Volume VIII, Fungal Toxins is devoted to topics related to algal and fungal toxins and includes critically reviewed articles from different experts in related fields. The text is divided into three sections. Section A covers coumarins — its isolation, identification, biological action, natural occurrence, and uses. Section B deals with the epizootiology, clinical characteristics, and pathological findings of Stachybotryotoxicosis. Section C talks about phytopathogenic and helminthosporium toxins, toxic peptides found in Amanita species as well as other mushroom toxins, compounds accumulating in plants after an infection, and ergot. The book is recommended for microbiologists and toxicologists, especially those who would like to know more about the toxins produced by algae and fungi and their effects.