Natural toxins

Mon, 05/20/2019 - 01:11
Available online 18 May 2019 Author(s): Xiaoxu Zhang, Menghua Li, Zhan Cheng, Liyan Ma, Longlian Zhao, Jingming LiAbstractThis study investigated discrimination and prediction of ochratoxin A (OTA) in three Aspergillus carbonarius strains cultured grape-based medium using E-nose technology and GC-MS analysis. Results showed that these strains cultured medium samples were divided into four groups...
Mon, 05/20/2019 - 01:10
Publication date: Available online 18 May 2019 Food and Chemical ToxicologyAuthor(s): Lu Chen, Patrick P.J. Mulder, Ad Peijnenburg, Ivonne M.C.M. RietjensAbstractIn this study five types of herbal teas were used to quantify the effect of comminution of the leaves on resulting PA exposure. Results show that PA levels extracted from intact leaves were consistently lower than from comminuted tea...
Mon, 05/20/2019 - 00:00
Toxins, Vol. 11, Pages 280: Development of an Anti-Idiotypic VHH Antibody and Toxin-Free Enzyme Immunoassay for Ochratoxin A in Cereals Toxins doi: 10.3390/toxins11050280 Authors: Caixia Zhang Qi Zhang Xiaoqian Tang Wen Zhang Peiwu Li Enzyme-linked immunosorbent assay (ELISA) test kits have been widely used for the determination of mycotoxins in agricultural products and foods,...
Fri, 05/17/2019 - 01:12
Available online 14 May 2019 Author(s): Dojin Ryu, Ryan Joseph Kowalski, Girish Ganjyal, Hyun Jung LeeAbstractOchratoxin A (OTA) is one of the most important mycotoxins due to its widespread occurrence and toxicity, including nephrotoxicity and potential carcinogenicity to humans. OTA has been detected in a wide range of agricultural commodities and their processed products such as infant cereals...
Thu, 05/16/2019 - 00:00
Abstract Aflatoxins (AFs) are secondary metabolites produced by aflatoxigenic strains of Aspergillus flavus and A. parasiticus, the most toxic being aflatoxin B1 (AFB1). The purpose of the present work was to investigate the effects of industrial-grade packaging materials (low-density polyethylene, polypropylene, polyethylene-laminated aluminium); temperatures (25 °C, 30 °C);...
Tue, 05/14/2019 - 00:00
Toxins, Vol. 11, Pages 271: Long Term Monitoring (2014–2018) of Multi-Mycotoxins in South African Commercial Maize and Wheat with a Locally Developed and Validated LC-MS/MS Method Toxins doi: 10.3390/toxins11050271 Authors: Hannalien Meyer Zanele Diana Skhosana Mamsy Motlanthe Wiana Louw Egmont Rohwer Mycotoxins occur worldwide in the major grains, and producers, traders and...
Tue, 05/14/2019 - 00:00
Toxins, Vol. 11, Pages 270: Assessment of Aflatoxin and Fumonisin Contamination and Associated Risk Factors in Feed and Feed Ingredients in Rwanda Toxins doi: 10.3390/toxins11050270 Authors: Kizito Nishimwe Erin Bowers Jean de Dieu Ayabagabo Richard Habimana Samuel Mutiga Dirk Maier Mycotoxins are fungal metabolites that contaminate crops, food, and animal feeds. Aflatoxins and...
Tue, 05/14/2019 - 00:00
Abstract Aflatoxin M1 (AFM1) is a hydroxylated metabolite of aflatoxin B1 (AFB1) and can be excreted in milk of cows after consuming aflatoxin (AF)-contaminated feed. The aim of this research was to assess the levels of total AFs in samples of feedingstuff for dairy cows (n = 193) and the levels of AFM1 in raw bulk tank milk samples (n = 375), in order to estimate the ratio of “...
Mon, 05/13/2019 - 01:11
Publication date: Available online 11 May 2019 Food and Chemical ToxicologyAuthor(s): Lenis Liverpool-Tasie, Nikita Saha Turna, Oluwatoyin Ademola, Adewale Obadina, Felicia WuAbstractAflatoxin and fumonisin are two major foodborne mycotoxins: toxic chemicals produced by fungi that contaminate food commodities including maize, a staple food in sub-Saharan Africa. Aflatoxin causes liver cancer, and...
Sun, 05/12/2019 - 01:14
Publication date: Available online 11 May 2019 Innovative Food Science & Emerging TechnologiesAuthor(s): Yasin Sen, Baran Onal-Ulusoy, Mehmet MutluAbstractThe detoxification effects of cold atmospheric-pressure (AP,3000 L/h of air, 25 kHz, 655 W-1.7 min) and low-pressure (LP,air-100 W-30 min) plasmas and gamma irradiation(GMI,10 kGy-10 min) treatments on different concentrations of pure...
Sun, 05/12/2019 - 01:13
Available online 9 May 2019 Author(s): Jolien Van Cleemput, Katrien C.K. Poelaert, Kathlyn Laval, Wim Van den Broeck, Hans J. NauwynckAbstractThe horse’s respiratory tract daily encounters a plethora of respirable hazards including air pollutants, mycotoxins and airborne pathogens. To date, the precise effect of air pollution and mycotoxins on respiratory epithelial integrity and subsequent...
Sun, 05/12/2019 - 01:13
Publication date: 1 October 2019 , Volume 294Author(s): Bin Wang, Jiushang Zheng, Ailing Ding, Liqun Xu, Jiuncun Chen, Chang Ming LiAbstractA novel aptasensor, based on a perylene probe (PAPDI; N,N′-bis(propylenetrimethylammonium)-3,4,9,10-perylenediimide), was developed for the detection of aflatoxin B1 (AFB1) in maize samples. AuNPs/DNA composites were synthesized and integrated with aptamers-...
Sat, 05/11/2019 - 00:00
Toxins, Vol. 11, Pages 264: Effects of Subcutaneous Ochratoxin-A Exposure on Immune System of Broiler Chicks Toxins doi: 10.3390/toxins11050264 Authors: Shahzad Akbar Khan Emerson J. Venancio Mario A. Ono Eduardo V. Fernandes Elisa Y. Hirooka Cleverson F. Shimizu Alexandre Oba Karina K. M. C. Flaiban Eiko N. Itano Ochratoxin A (OTA), an immunosuppressive mycotoxin, can...
Fri, 05/10/2019 - 00:00
Abstract Ochratoxin A (OTA) is a nephrotoxic mycotoxin with nephrocarcinogenic potential found in a broad spectrum of food commodities. The mode of action of this compound, as well as its metabolism, is still not fully understood. To determine whether the conjugation of OTA with glutathione plays an important role in human OTA metabolism, an ochratoxin-glutathione conjugate (OTB...
Wed, 05/08/2019 - 00:00
Toxins, Vol. 11, Pages 259: Recombinant Aflatoxin-Degrading F420H2-Dependent Reductase from Mycobacterium smegmatis Protects Mammalian Cells from Aflatoxin Toxicity Toxins doi: 10.3390/toxins11050259 Authors: Che-Hsing Li Wei-Yang Li I-Ning Hsu Yung-Yu Liao Chi-Ya Yang Matthew C. Taylor Yu-Fan Liu Wei-Hao Huang Hsiang-Hua Chang Ho-Lo Huang Shao-Chi Lo Ting-Yu Lin Wei-...
Wed, 05/08/2019 - 00:00
Toxins, Vol. 11, Pages 258: NMR-Based Metabolic Profiles of Intact Zebrafish Embryos Exposed to Aflatoxin B1 Recapitulates Hepatotoxicity and Supports Possible Neurotoxicity Toxins doi: 10.3390/toxins11050258 Authors: Zain Zuberi Muhamed N. H. Eeza Joerg Matysik John P. Berry A. Alia Aflatoxin B1 (AFB1) is a widespread contaminant of grains and other agricultural crops and is...
Tue, 05/07/2019 - 00:00
Toxins, Vol. 11, Pages 257: Fusarium Mycotoxins Stability during the Malting and Brewing Processes Toxins doi: 10.3390/toxins11050257 Authors: Piacentini Benešová Pernica Savi Rocha Hartman Čáslavský Corrêa Běláková Mycotoxins are widely studied by many research groups in all aspects, but the stability of these compounds needs further research for clarification....
Tue, 05/07/2019 - 00:00
Toxins, Vol. 11, Pages 256: Hydrophobized Reversed-Phase Adsorbent for Protection of Dairy Cattle against Lipophilic Toxins from Diet. Efficiensy in Vitro and in Vivo Toxins doi: 10.3390/toxins11050256 Authors: Sotnichenko Pantsov Shinkarev Okhanov The steady growth of inflammatory diseases of the udder in dairy cattle forces us to look for the causes of this phenomenon in the...
Tue, 05/07/2019 - 00:00
Toxins, Vol. 11, Pages 254: Occurrence and Risk Assessment of Mycotoxins through Polish Beer Consumption Toxins doi: 10.3390/toxins11050254 Authors: Jan Grajewski Robert Kosicki Magdalena Twarużek Anna Błajet-Kosicka Poland is one of Europe’s leading producers and exporters of beer. The study, herein, describes the measurement of ochratoxin A, deoxynivalenol, nivalenol...
Sat, 05/04/2019 - 01:17
Available online 2 May 2019 Author(s): Cong Lv, Jing Jin, Ping Wang, Xiaofeng Dai, Yang Liu, Mumin Zheng, Fuguo XingAbstractWater activity (aw) and temperature are two pivotal environmental factors affecting Aspergillus flavus growth and aflatoxin production. Here, we found that AFB1 production on polished rice can occur over a wider range of temperature × aw levels than that on paddies. For...
Fri, 05/03/2019 - 01:13
Publication date: Available online 1 May 2019 Innovative Food Science & Emerging TechnologiesAuthor(s): Yasin Sen, Baran Onal-Ulusoy, Mehmet MutluAbstractThe decontamination effects of non-thermal atmospheric-pressure (AP) and low-pressure (LP) plasma systems were investigated on hazelnuts artificially contaminated with Aspergillus parasiticus and Aspergillus flavus spores. Furthermore, AP-...
Wed, 05/01/2019 - 01:10
Available online 29 April 2019 Author(s): Zahoor Ul Hassan, Roda Al Thani, Virgilio Balmas, Quirico Migheli, Samir JaouaAbstractThis study aimed to explore the incidence of Fusarium fungi and their mycotoxins in marketed feed in Qatar. Samples of mixed-grain-cereal, maize, wheat, millet, barley, oat and soybean were tested for the presence of zearalenone (ZEN), fumonisins, T2/HT2 and...
Tue, 04/30/2019 - 01:14
Publication date: Available online 28 April 2019 Food and Chemical ToxicologyAuthor(s): Arnau Vidal, Salma Ouhibi, Ridha Gali, Abderrazzek Hedhili, Sarah De Saeger, Marthe De BoevreAbstractPatulin (PAT) is a common mycotoxin in fruit products, especially in apples and apple-based products. The European Commission has set maximum levels for PAT in food. Nevertheless, worrying PAT levels were...
Mon, 04/29/2019 - 15:00
Abstract BACKGROUND The impact of climate change has been identified as an emerging issue worldwide due to potential effects that can provoke changes in the nature and occurrence of food safety hazards. Mycotoxins are a group of naturally occurring toxic substances produced by several genera of filamentous fungi, among which, primarily aflatoxins, fumonisins, ochratoxins, trichothecenes, and...
Mon, 04/29/2019 - 01:12
Available online 27 April 2019 Author(s): M.A. Dadzie, A. Oppong, K. Ofori, J.S. Eleblu, E.B. Ifie, E. Blay, E. Obeng –Bio, Z. Appiah-Kubi, M.L. WarburtonAbstractAflatoxins are carcinogenic secondary metabolites produced mainly by two species of Aspergillus fungi, (A. flavus and A. parasiticus). The toxin contaminates maize grains during the developmental stage as well as in storage. Grains with...
Mon, 04/29/2019 - 01:12
Available online 27 April 2019 Author(s): Kwabena Asare Bediako, Daniel Dzidzienyo, Kwadwo Ofori, Samuel Kwame Offei, James Yaw Asibuo, Richard Adu Amoah, Joshua ObengAbstractFungal species associated with stored groundnuts together with incidence of aflatoxin contamination in four major growing regions of Ghana were investigated in this study. Aspergillus niger (39.9%) and A. flavus (26.3%) were...
Mon, 04/29/2019 - 00:00
Toxins, Vol. 11, Pages 245: Toxicity and Toxin Composition of the Greater Blue-Ringed Octopus Hapalochlaena lunulata from Ishigaki Island, Okinawa Prefecture, Japan Toxins doi: 10.3390/toxins11050245 Authors: Asakawa Matsumoto Umezaki Kaneko Yu Gomez-Delan Tomano Noguchi Ohtsuka The toxicity of the greater blue-ringed octopus Hapalochlaena lunulata, whose bite is...
Sun, 04/28/2019 - 01:13
Publication date: Available online 25 April 2019 Food and Chemical ToxicologyAuthor(s): Iman Saleh, Ipek GoktepeAbstractMycotoxins are the secondary metabolites secreted by different types of fungi to which humans can get exposed mainly via ingestion. Patulin (C7H6O4) is a polyketide lactone produced by various fungal specifies, including Penicillium expansum as the main producer. P. expansum can...
Sun, 04/28/2019 - 01:13
Publication date: Available online 26 April 2019 Food and Chemical ToxicologyAuthor(s): Belqes Ahmad Al-Jaal, Morana Jaganjac, Andrei Barcaru, Peter Horvatovich, Aishah LatiffAbstractHuman exposure to mycotoxins occurs mostly through dietary intake, although exposure through dermal and inhalation routes has also been shown. Depending on the type of mycotoxins, the applied dose and duration of...
Sun, 04/28/2019 - 00:00
Toxins, Vol. 11, Pages 242: Altered Gene Response to Aflatoxin B1 in the Spleens of Susceptible and Resistant Turkeys Toxins doi: 10.3390/toxins11050242 Authors: Kent M. Reed Kristelle M. Mendoza Roger A. Coulombe Susceptibility and/or resistance to aflatoxin B1 (AFB1) is a threshold trait governed principally by glutathione S transferase (GST)-mediated detoxification. In poultry,...
Sat, 04/27/2019 - 01:14
Publication date: Available online 25 April 2019Source: Author(s): Sumei Ling, Xiulan Li, Danping Zhang, Ke Wang, Wenwen Zhao, Qiang Zhao, Rongzhi Wang, Jun Yuan, Sijie Xin, Shihua WangAbstractTetrodotoxin (TTX) is a neurotoxin mainly responsible for severe neurological illness, and okadaic acid (OA) is another important lipophilic toxin to humans. In this study, we developed a gold strip for...
Sat, 04/27/2019 - 01:14
Available online 24 April 2019 Author(s): Wei Liu, Pengguang Zhao, Chaosheng Wu, Changhong Liu, Jianbo Yang, Lei ZhengAbstractSoybean oil is often contaminated by aflatoxin B1 (AFB1) which is regarded as a class Ⅰ carcinogen. The feasibility of rapid determination of AFB1 in soybean oil with terahertz spectroscopy was examined. t-SNE, as the pre-treatment method was used to get the best features...
Fri, 04/26/2019 - 00:00
Toxins, Vol. 11, Pages 240: Public Health Risks Associated with Tetrodotoxin and Its Analogues in European Waters: Recent Advances after The EFSA Scientific Opinion Toxins doi: 10.3390/toxins11050240 Authors: Katikou Tetrodotoxin (TTX) and its analogues are naturally occurring toxins responsible worldwide for human intoxication cases and fatalities, mainly associated with pufferfish...
Thu, 04/25/2019 - 20:00
Role of Starter Cultures on the Safety of Fermented Meat Products Marta Laranjo1*, Maria Eduarda Potes1,2 and Miguel Elias1,3 1ICAAM-Instituto de Ciências Agrárias e Ambientais Mediterrânicas, Universidade de Évora, Pólo da Mitra, Évora, Portugal 2Departamento de Medicina Veterinária, Escola de Ciências e Tecnologia, Universidade de Évora, Pólo...
Thu, 04/25/2019 - 15:26
Abstract Aflatoxins (AFs) are naturally occurring contaminants classified as human carcinogens. This article describes presence and concentrations of AFs in both raw and roasted almonds collected from Turkey from September 2017 to February 2018. Long‐term exposure to AFs was then calculated using the per capita consumption of almonds and the concentration of AFs in almonds. AFs were determined...
Thu, 04/25/2019 - 00:00
Abstract 1-Octen-3-ol is one of the most abundant volatile compounds associated with fungi and functions as a germination and growth inhibitor in several species. By investigating its effect on the biosynthesis of patulin, a mycotoxin made by Penicillium expansum, it was found that a sub-inhibitory level of volatile 1-octen-3-ol increased accumulation of patulin on a medium that...
Thu, 04/25/2019 - 00:00
The objective was to evaluate the efficacy of 2 dietary mycotoxin sequestrants, Toxy-Nil (TN) or Unike Plus (UP), in reducing aflatoxin (AF) M1 concentrations in milk of dairy cows challenged with dietary AF. Thirty-two mid-lactation Holstein cows were blocked by parity, days in milk, and milk yield and were randomly assigned within block to receive one of the following treatments: (1) 2.8 mg of...
Wed, 04/24/2019 - 00:00
Abstract Microbial contamination in metalworking systems is a critical problem. This study determined the microbial communities in metalworking fluids (MWFs) from two machining shops and investigated the effect of quorum sensing inhibition (QSI) on biofilm growth. In both operations, biofilm-associated and planktonic microbial communities were dominated by Pseudomonadales (60.2–...
Tue, 04/23/2019 - 11:53
High‐TB Pu‐erh tea made by a novel process was compared with commercial tea samples. All teas were free of aflatoxins, fumonisins, ochratoxin A, and viable microbes. Dietary intake of investigated trace elements was below the safe limits. The new tea was comparable to conventional Pu‐erh tea in appearance and taste. Summary Theabrownins (TB) are polymeric phenolic compounds associated with...
Fri, 04/19/2019 - 01:12
Publication date: Available online 17 April 2019Source: Author(s): Lucian Del Fabbro, Cristiano Ricardo Jesse, Marcelo Gomes de Gomes, Carlos Borges Filho, Franciele Donato, Leandro Cattelan Souza, André Rossito Goes, Ana Flásvia Furian, Silvana Peterini BoeiraAbstractThe mycotoxin zearalenone (ZEA) has strong estrogenic effects and elicits reproductive toxicity. Chrysin is a natural flavonoid...
Thu, 04/18/2019 - 00:00
Toxins, Vol. 11, Pages 229: Dehydrocrenatidine Inhibits Voltage-Gated Sodium Channels and Ameliorates Mechanic Allodia in a Rat Model of Neuropathic Pain Toxins doi: 10.3390/toxins11040229 Authors: Fang Zhao Qinglian Tang Jian Xu Shuangyan Wang Shaoheng Li Xiaohan Zou Zhengyu Cao Picrasma quassioides (D. Don) Benn, a medical plant, is used in clinic to treat inflammation, pain...
Tue, 04/16/2019 - 00:00
Toxins, Vol. 11, Pages 227: Mycotoxins during the Processes of Nixtamalization and Tortilla Production Toxins doi: 10.3390/toxins11040227 Authors: Sara Schaarschmidt Carsten Fauhl-Hassek Tortillas are a traditional staple food in Mesoamerican cuisine, which have also become popular on a global level, e.g., for wraps or as snacks (tortilla chips). Traditional tortilla production includes...
Mon, 04/15/2019 - 03:00
Journal of Food Protection, Volume 82, Issue 5, Page 796-803, May 2019.
Mon, 04/15/2019 - 00:00
Toxins, Vol. 11, Pages 224: Occurrence of Mycotoxigenic Fusarium Species and Competitive Fungi on Preharvest Maize Ear Rot in Poland Toxins doi: 10.3390/toxins11040224 Authors: Karolina Gromadzka Lidia Błaszczyk Jerzy Chełkowski Agnieszka Waśkiewicz Maize has become one of the most important crops for food and feed production—both as a silage and crop residue worldwide...

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