Natural toxins

Thu, 01/17/2019 - 01:02
Available online 15 January 2019 Author(s): Shumin Sun, Ran Zhao, Yanli Xie, Yong LiuAbstract:The photocatalytic efficiency of activated carbon supported TiO2 catalyst (AC/TiO2) for degradation of aflatoxin B1 (AFB1) under UV-Vis light was evaluated in this study. AC/TiO2 was prepared by simple hydrothermal synthesis and characterized by scanning electron micrograph (SEM), X-ray diffraction (XRD...
Thu, 01/17/2019 - 01:02
Available online 14 January 2019 Author(s): Xuhan Xia, Yuxi Wang, Hao Yang, Yi Dong, Kaixiang Zhang, Yunhao Lu, Ruijie Deng, Qiang HeAbstractAptamer probes provide an opportunity for achieving rapid and on-site detection of food contaminants. Herein, we proposed a general design strategy for aptamer probes enabling enzyme-free amplified, ultrafast and one-test tube homogeneous detection of...
Thu, 01/17/2019 - 00:00
Toxins, Vol. 11, Pages 54: Regional Sub-Saharan Africa Total Diet Study in Benin, Cameroon, Mali and Nigeria Reveals the Presence of 164 Mycotoxins and Other Secondary Metabolites in Foods Toxins doi: 10.3390/toxins11010054 Authors: Luc Ingenbleek Michael Sulyok Abimbola Adegboye Sètondji Epiphane Hossou Abdoulaye Zié Koné Awoyinka Dada Oyedele Chabi Sika K. J. Kisito Yara...
Thu, 01/17/2019 - 00:00
Toxins, Vol. 11, Pages 49: Gut Microbiota Profiling of Aflatoxin B1-Induced Rats Treated with Lactobacillus casei Shirota Toxins doi: 10.3390/toxins11010049 Authors: Winnie-Pui-Pui Liew Sabran Mohd-Redzwan Leslie Thian Lung Than Aflatoxin B1 (AFB1) is a ubiquitous carcinogenic food contaminant. Gut microbiota is of vital importance for the host’s health, regrettably,...
Wed, 01/16/2019 - 17:00
Ismail I. Althagafi, Saleh A. Ahmed, Waleed A. El-Said Aflatoxins (AFs) are a family of fungal toxins that produced in food and feed two Aspergillus species (Aspergillus flavus and Aspergillus parasiticus). Several techniques have been reported for AFs detection including high-pressure liquid chromatography, enzyme-linked immunosorbent assay, surface plasmon resonance and recombinant immune...
Tue, 01/15/2019 - 00:00
Toxins, Vol. 11, Pages 44: Spatial and Temporal Variation in Paralytic Shellfish Toxin Production by Benthic Microseira (Lyngbya) wollei in a Freshwater New York Lake Toxins doi: 10.3390/toxins11010044 Authors: Zacharias J. Smith Robbie M. Martin Bofan Wei Steven W. Wilhelm Gregory L. Boyer Butterfield Lake is a mesotrophic lake in New York State where residents and pets have...
Mon, 01/14/2019 - 01:10
Available online 11 January 2019 Author(s): Josué José Silva, Olivier Puel, Sophie Lorber, Larissa S. Ferranti, Luryan F. Ortiz, Marta H. Taniwaki, Beatriz T. Iamanaka, Maria Helena P. FungaroAbstractDried leaves and stems of Ilex paraguariensis St. Hil. (yerba mate) are used to make a popular beverage in some countries of South America, commonly known as “chimarrão”. The present study was...
Mon, 01/14/2019 - 00:00
Toxins, Vol. 11, Pages 37: Mesoscale Dynamics and Niche Segregation of Two Dinophysis Species in Galician-Portuguese Coastal Waters Toxins doi: 10.3390/toxins11010037 Authors: Patricio A. Díaz Beatriz Reguera Teresa Moita Isabel Bravo Manuel Ruiz-Villarreal Santiago Fraga Blooms of Dinophysis acuminata occur every year in Galicia (northwest Spain), between spring and autumn....
Sat, 01/12/2019 - 01:09
Available online 11 January 2019 Author(s): Min Wei, Chunlei Wang, Ensheng Xu, Jin Chen, Xiaolin Xu, Wei Wei, Songqin LiuAbstractOchratoxin A (OTA) poses a serious threat to the health of human beings and animals. In this paper, a simple and sensitive electrochemiluminescence (ECL) aptasensor was constructed to detect OTA based on electrochemiluminescence resonance energy transfer (ECL-RET) and a...
Thu, 01/10/2019 - 01:09
Available online 8 January 2019 Author(s): B. Ponzilacqua, G.E. Rottinghaus, B.R. Landers, C.A.F. OliveiraAbstractThe aim of this study was to evaluate the aqueous extracts of sweet passion fruit (Passiflora alata), araçá (Psidium cattleianum), rosemary (Rosmarinus officinalis) and oregano (Origanum vulgare) for their ability to degrade aflatoxin B1 (AFB1) in vitro. The AFB1 levels in...
Thu, 01/10/2019 - 00:00
Toxins, Vol. 11, Pages 31: Assessment of Toxigenic Fusarium Species and Their Mycotoxins in Brewing Barley Grains Toxins doi: 10.3390/toxins11010031 Authors: Karim C. Piacentini Liliana O. Rocha Geovana D. Savi Lorena Carnielli-Queiroz Livia De Carvalho Fontes Benedito Correa Fusarium species threaten yield and quality of cereals worldwide due to their ability to produce...
Thu, 01/10/2019 - 00:00
Toxins, Vol. 11, Pages 33: Safety of Corn and Corn-Based Products Intended for Human Consumption Concerning Fumonisins from a Brazilian Processing Plant Toxins doi: 10.3390/toxins11010033 Authors: Jaqueline Gozzi Bordini Mario Augusto Ono Melissa Tiemi Hirozawa Glauco Tironi Garcia Edio Vizoni Elisabete Yurie Sataque Ono Brazil is one of the world’s largest corn...
Tue, 01/08/2019 - 01:08
Publication date: April 2019 , Volume 150Author(s): Di Gong, Yang Bi, Hong Jiang, Sulin Xue, Zhengyu Wang, Yongcai Li, Yuanyuan Zong, Dov PruskyAbstractBlue mold caused by Penicillium expansum is a major postharvest disease of apple fruit, which leads to fruit loss and patulin accumulation. In this study, ‘Delicious’ and ‘Fuji’ apples were inoculated with P. expansum to investigate effects of...
Tue, 01/08/2019 - 00:00
Toxins, Vol. 11, Pages 25: The Impact of Dietary Grape Seed Meal on Healthy and Aflatoxin B1 Afflicted Microbiota of Pigs after Weaning Toxins doi: 10.3390/toxins11010025 Authors: Iulian A. Grosu Gina C. Pistol Ionelia Taranu Daniela E. Marin The study investigated the effect of grape seed (GS) meal, aflatoxin (AFB1), or their combination on the large intestine microbiota of...
Mon, 01/07/2019 - 00:00
Toxins, Vol. 11, Pages 23: Grape Seed Proanthocyanidin Extract Alleviates AflatoxinB1-Induced Immunotoxicity and Oxidative Stress via Modulation of NF-κB and Nrf2 Signaling Pathways in Broilers Toxins doi: 10.3390/toxins11010023 Authors: Shahid Ali Rajput Lvhui Sun Ni-Ya Zhang Mahmoud Mohamed Khalil Zhao Ling Li Chong Shuai Wang Imran Rashid Rajput Dost Muhammad Bloch Farhan...
Sun, 01/06/2019 - 01:16
LWT
Publication date: Available online 4 January 2019Source: LWTAuthor(s): Ali Heshmati, Sabah Ghadimi, Akram Ranjbar, Amin Mousavi KhaneghahAbstractThe current study was aimed to investigate the changes in aflatoxins (AFs) content during the production of pekmez. In this context, the artificially spiked grape samples in levels of 2.5, 5, and 7.5 μg/kg of aflatoxin B1 (AFB1), and 0.5, 1 and 1.5 μg/kg...
Fri, 01/04/2019 - 00:00
Toxins, Vol. 11, Pages 17: Lactobacillus bulgaricus or Lactobacillus rhamnosus Suppresses NF-κB Signaling Pathway and Protects against AFB1-Induced Hepatitis: A Novel Potential Preventive Strategy for Aflatoxicosis? Toxins doi: 10.3390/toxins11010017 Authors: Yuanyuan Chen Ruirui Li Qiaocheng Chang Zhihao Dong Huanmin Yang Chuang Xu Aflatoxin B1 (AFB1), a mycotoxin found in food...
Fri, 01/04/2019 - 00:00
Microsphere-based immunoassays involving flow cytometry have recently gained popularity for use in protein detection and infectious disease diagnosis due to their simple assay format and capacity for multiplexed analysis. In this work, four mycotoxins, including aflatoxin M1 (AFM1), ochratoxin A (OTA), deoxynivalenol (DON), and fumonisin B1 (FB1), were selected as model...
Tue, 01/01/2019 - 00:00
Toxins, Vol. 11, Pages 12: Effect of Compound Probiotics and Mycotoxin Degradation Enzymes on Alleviating Cytotoxicity of Swine Jejunal Epithelial Cells Induced by Aflatoxin B1 and Zearalenone Toxins doi: 10.3390/toxins11010012 Authors: Weiwei Huang Juan Chang Ping Wang Chaoqi Liu Qingqiang Yin Andong Song Tianzeng Gao Xiaowei Dang Fushan Lu Zearalenone (ZEA) and aflatoxin...
Tue, 01/01/2019 - 00:00
Patulin is a mycotoxin that exhibits a number of toxic effects in animals. The main sources of patulin intake in human diet that was shown for EU consumers are apple juice and nectar and for this reason, apple-based food is most often monitored for this mycotoxin. However, the presence of patulin in other fruits, including stone fruits, and soft fruits has been reported as...
Fri, 12/28/2018 - 01:07
Available online 26 December 2018 Author(s): Benigni A. Temba, Mary T. Fletcher, Glen P. Fox, Jagger Harvey, Sheila A. Okoth, Yasmina SultanbawaAbstractDifferent methods have been applied in controlling contamination of foods and feeds by the carcinogenic fungal toxin, aflatoxin, but nevertheless the problem remains pervasive in developing countries. Curcumin is a natural polyphenolic compound...
Thu, 12/27/2018 - 01:11
Available online 26 December 2018 Author(s): Beatriz Thie Iamanaka, Aline de Souza Lopes, Ligia Manoel Martins, Jens Christian Frisvad, Angel Medina, Naresh Magan, Daniele Sartori, Fernanda Pelisson Massi, Maria Helena Pelegrinelli Fungaro, Marta Hiromi TaniwakiAbstractThe presence of Aspergillus section Flavi and aflatoxins in sugarcane as well as in by-products, such as molasses, sugar, yeast...
Wed, 12/26/2018 - 00:00
The aim of the present study was to evaluate the effects of Lactobacillus rhamnosus GG (LGG; ATCC 53013) on growth performance and hepatotoxicity in calves fed a single dose of aflatoxin B1 (AFB1) and to investigate the absorption, distribution, and elimination of AFB1 and the hydroxylated metabolite aflatoxin M1 (AFM1) in rumen fluid, blood, and excretions. Twenty-four male Holstein calves were...
Mon, 12/24/2018 - 01:08
Available online 19 December 2018 Author(s): Rossana V. C. Cardoso, Ângela Fernandes, Sandrina A. Heleno, Paula Rodrigues, Ana M. Gonzaléz-Paramás, Lillian Barros, Isabel C.F.R. FerreiraAbstractSeven types of wheat and rye flours were studied regarding their physical and chemical properties, as well as the presence of mycotoxins and microorganisms. The results revealed that flours presented...
Mon, 12/24/2018 - 00:00
Toxins, Vol. 11, Pages 4: Toxins in Fermented Foods: Prevalence and Preventions—A Mini Review Toxins doi: 10.3390/toxins11010004 Authors: Bhagavathi Sundaram Sivamaruthi Periyanaina Kesika Chaiyavat Chaiyasut Fermented foods (FF) are widely consumed around the world, and FF are one of the prime sources of toxins and pathogenic microbes that are associated with several foodborne...
Mon, 12/24/2018 - 00:00
The growth of Aspergillus flavus and the production of aflatoxins (AF) during the aerobic deterioration of corn silage represent a problem for animal and human health. This experiment was conducted to evaluate whether the presence of A. flavus and AF production originate from the field or additional AF are produced during the fermentation phase or during aerobic deterioration of corn silage. The...
Sun, 12/23/2018 - 01:10
Available online 21 December 2018 Author(s): Lourdes Sánchez-Montero, Juan J. Córdoba, Belén Peromingo, Micaela Álvarez, Félix NúñezAbstractEcological conditions during ripening of dry-cured meat products favour the growth of an uncontrolled mould population that could suppose a risk of ochratoxin A (OTA) production. In this work the influence of water activity (aw), temperature and substrate...
Fri, 12/21/2018 - 01:11
Available online 19 December 2018 Author(s): Abass, Adebayo Busura, Adegoke, Gabriel Olaniran, Awoyale, Wasiu, Gaspar Audifas, Mlingi, Nicholas, Andrianavalona, Voahangy, Randrianarivelo, Roger, Sulyok, Michael, Mneney, Agnes, Ranaivoson, Lalao RogerAbstractCassava processing practices vary among communities and countries with implications for food safety. The study examined the microbiota and...
Tue, 12/18/2018 - 00:00
Toxins, Vol. 10, Pages 545: Biomarker of Aflatoxin Ingestion: 1H NMR-Based Plasma Metabolomics of Dairy Cows Fed Aflatoxin B1 with or without Sequestering Agents Toxins doi: 10.3390/toxins10120545 Authors: Ibukun Ogunade Yun Jiang James Adeyemi Andre Oliveira Diwakar Vyas Adegbola Adesogan The study applied 1H NMR-based plasma metabolomics to identify candidate biomarkers of...
Mon, 12/17/2018 - 01:12
LWT
Publication date: March 2019Source: LWT, Volume 102Author(s): Gislaine Oliveira, Suzana Reis Evangelista, Fabiana Reinis Franca Passamani, Wilder Douglas Santiago, Maria das Graças Cardoso, Luís Roberto BatistaAbstractThis study investigated the influence of temperature and water activity (aw) on the growth and biosynthesis of Ochratoxin A (OTA) by Aspergillus carbonarius and Aspergillus...
Mon, 12/17/2018 - 01:12
Available online 15 December 2018 Author(s): Pablo Estevez, David Castro, J. Manuel Leao, Takeshi Yasumoto, Robert Dickey, Ana Gago-MartinezAbstractThe increased emergence of Ciguatera Fish Poisoning in the Canary Islands and Madeira demanded the development of confirmatory methods by liquid chromatography coupled to tandem mass spectrometry to characterize the risk. Efforts were particularly...
Mon, 12/17/2018 - 01:11
Publication date: Available online 14 December 2018 Food and Chemical ToxicologyAuthor(s): M.L. González Pereyra, M.P. Martínez, L.R. CavaglieriAbstractMicrobial degradation of aflatoxins (AFs) is an alternative to the use of mycotoxin binders. The lactone ring is a possible target for microbial enzymes and its cleavage reduces AFs toxicity. The aim of this study was to isolate and identify...
Mon, 12/17/2018 - 00:00
Toxins, Vol. 10, Pages 543: Occurrence and Levels of Aflatoxins in Fish Feeds and Their Potential Effects on Fish in Nyeri, Kenya Toxins doi: 10.3390/toxins10120543 Authors: Evalyn Wanjiru Mwihia Paul Gichohi Mbuthia Gunnar Sundstøl Eriksen James K. Gathumbi Joyce G. Maina Stephen Mutoloki Robert Maina Waruiru Isaac Rumpel Mulei Jan Ludvig Lyche Aflatoxins are fungal...
Thu, 12/13/2018 - 11:00
Fusarium fujikuroi is a pathogenic fungus that infects rice. It produces several important mycotoxins, such as fumonisins. Fumonisin production has been detected in strains of maize, strawberry, and wheat, whereas it has not been detected in strains from rice seedlings infested with bakanae disease in Japan. We investigated the genetic relationships, pathogenicity, and resistance to a fungicide,...
Thu, 12/13/2018 - 00:00
Toxins, Vol. 10, Pages 533: Post-Harvest Contamination with Mycotoxins in the Context of the Geographic and Agroclimatic Conditions in Romania Toxins doi: 10.3390/toxins10120533 Authors: Valeria Gagiu Elena Mateescu Ileana Armeanu Alina Alexandra Dobre Irina Smeu Mirela Elena Cucu Oana Alexandra Oprea Enuta Iorga Nastasia Belc This study aimed to assess post-harvest...
Wed, 12/12/2018 - 01:08
Available online 10 December 2018 Author(s): Bárbara Alves dos Santos-Ciscon, Anne van Diepeningen, José da Cruz Machado, Iara Eleutéria Dias, Cees WaalwijkAbstractAspergilli are common contaminants of food and feed and a major source of mycotoxins. In this study, 87 Aspergillus strains were isolated from beans from 14 different cities in Brazil and identified to the species level based on...
Tue, 12/11/2018 - 00:00
Toxins, Vol. 10, Pages 530: Chestnut Drying Is Critical in Determining Aspergillus flavus Growth and Aflatoxin Contamination Toxins doi: 10.3390/toxins10120530 Authors: Simona Prencipe Ilenia Siciliano Carlotta Gatti Maria Lodovica Gullino Angelo Garibaldi Davide Spadaro Chestnut drying is used to prevent postharvest losses and microorganism contamination during storage. Several...
Mon, 12/10/2018 - 00:00
Toxins, Vol. 10, Pages 529: Response Surface Methodology for the Optimization of Ultrasound-Assisted Extraction of Tetrodotoxin from the Liver of Takifugu pseudommus Toxins doi: 10.3390/toxins10120529 Authors: Xiaojun Zhang Chengcheng Han Si Chen Le Li Jingjing Zong Junjie Zeng Guangming Mei Tetrodotoxin (TTX) is a marine biotoxin that has high scientific value. However, the...
Sun, 12/09/2018 - 01:10
Available online 7 December 2018 Author(s): Monica Olsen, Roland Lindqvist, Albina Bakeeva, Su-lin L. Leong, Michael SulyokAbstractEstimations of consumer exposure to mycotoxins through surveillance of mycotoxins in the food trade are well described, but the exposure due to mouldy food in private homes is not known, and may result from removing visible mould on food and eating the rest. In this...
Sat, 12/08/2018 - 00:00
Toxins, Vol. 10, Pages 526: Combined Cytotoxicity of the Phycotoxin Okadaic Acid and Mycotoxins on Intestinal and Neuroblastoma Human Cell Models Toxins doi: 10.3390/toxins10120526 Authors: Aiko Hayashi Juan José Dorantes-Aranda John P. Bowman Gustaaf Hallegraeff Mycotoxins are emerging toxins in the marine environment, which can co-occur with algal toxins to exert synergistic or...
Fri, 12/07/2018 - 01:10
Publication date: 25 April 2019 , Volume 278Author(s): Xenia Pascari, Yelko Rodriguez-Carrasco, Cristina Juan, Jordi Mañes, Sonia Marin, Antonio J. Ramos, Vicente SanchisAbstractThe fate of deoxynivalenol, deoxynivalenol-3-glucoside, 3- and 15-acetyl-deoxynivalenol, zearalenone, α- and β-zearalenol and fumonisins (fumonisin B1 and fumonisin B2) through mashing and wort boiling was studied. Three...
Fri, 12/07/2018 - 00:00
Toxins, Vol. 10, Pages 524: New Insights into the Occurrence and Toxin Profile of Ciguatoxins in Selvagens Islands (Madeira, Portugal) Toxins doi: 10.3390/toxins10120524 Authors: Pedro Reis Costa Pablo Estevez David Castro Lucía Soliño Neide Gouveia Carolina Santos Susana Margarida Rodrigues José Manuel Leao Ana Gago-Martínez Ciguatoxins (CTXs), endemic from tropical and...
Thu, 12/06/2018 - 01:11
Publication date: Available online 4 December 2018Source: Author(s): Maryam Khanian, Mohammad-Amir Karimi-Torshizi, Abdolamir AllamehAbstractGrowing broiler chicks on a diet contaminated with aflatoxins (200 or 2000 ppb) for entire growth period resulted in increased oxidative stress and liver damage markers. The toxicity was subsided in broilers received a specific aflatoxin-binding probiotic i....
Wed, 12/05/2018 - 01:08
Publication date: April 2019 , Volume 78Author(s): Anelli Pamela, Haidukowski Miriam, Epifani Filomena, Cimmarusti Maria Teresa, Moretti Antonio, Logrieco Antonio, Susca AntoniaAbstractCave cheese is a surface mold-ripened variety of cheese produced also in South of Italy, exploiting fungal population naturally occurring on cave walls, as part of secondary microbiota for ripening. In this study,...
Wed, 12/05/2018 - 01:08
Publication date: 16 February 2019 , Volume 291Author(s): M.L. Abarca, M.R. Bragulat, G. Castellá, F.J. CabañesAbstractOchratoxin A (OTA) is a nephrotoxic mycotoxin which may contaminate various foods and feed products worldwide. Aspergillus niger is one of the species responsible for OTA contamination in grapes and derived products. This species has recently been split into A. niger and...

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