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Chemical contaminants

Fri, 05/24/2019 - 01:11
Publication date: Available online 23 May 2019 Food and Chemical ToxicologyAuthor(s): Haroon Khan, Muhammad Zafar, Seema Patel, SM Mukarrum Shah, Anupam BishayeeAbstractα-glucosidase inhibition is a rational approach in the effective management of type 2 diabetes. Several inhibitors of this enzyme class are in clinical use, but are riddled with efficacy, potency and safety challenges. For this...
Fri, 05/24/2019 - 00:00
Toxins, Vol. 11, Pages 295: Fengycin Produced by Bacillus amyloliquefaciens FZB42 Inhibits Fusarium graminearum Growth and Mycotoxins Biosynthesis Toxins doi: 10.3390/toxins11050295 Authors: Alvina Hanif Feng Zhang Pingping Li Chuchu Li Yujiao Xu Muhammad Zubair Mengxuan Zhang Dandan Jia Xiaozhen Zhao Jingang Liang Taha Majid Jingyuau Yan Ayaz Farzand Huijun Wu Qin...
Thu, 05/23/2019 - 01:12
Available online 21 May 2019 Author(s): Marta Mesías, Laura Sáez-Escudero, Francisco J. Morales, Cristina Delgado-AndradeAbstractBreakfast cereals are important contributors to acrylamide daily exposure in Western countries. Acrylamide was determined by LC-ESI-MS/MS in 60 commercial breakfast cereals marketed in Spain. The influence of the predominant cereal, protein, fibre and sugar content, as...
Thu, 05/23/2019 - 01:12
Available online 21 May 2019 Author(s): Thomas Stroheker, Yong Joo Chung, Gabriele Scholz, Paolo MazzatortaAbstractChemical contaminants can occur at trace levels in foods or food ingredients either as intrinsic toxins produced in plant/animal metabolism or by external contamination due to fungal growth, agricultural practice, environment or food manufacturing processes. Monitoring and managing...
Thu, 05/23/2019 - 01:11
Available online 21 May 2019 Author(s): Xinying Gong, Mi Tang, Zhengjun Gong, Zhongping Qiu, Dongmei Wang, Meikun FanAbstractIn this work, we report a simple and rapid surface-enhanced Raman scattering (SERS) method for the screening of pesticide residues on fruit peels using a portable Raman spectrometer. Adhesive tapes were used as the sampling media; the effectiveness of different tape brands...
Thu, 05/23/2019 - 01:11
Publication date: Available online 20 May 2019 Environmental ResearchAuthor(s): Yu-Hsuan Shih, Maria Argos, Mary E. TurykAbstractBackgroundInorganic arsenic (iAs) is ubiquitous in the environment and has been linked to lung cancer and a number of non-malignant lung disease in both adults and children. However, most studies were conducted in populations with higher arsenic exposure levels in...
Thu, 05/23/2019 - 01:11
Publication date: Available online 21 May 2019 Environmental ResearchAuthor(s): Gudrun Koppen, Eva Govarts, Guido Vanermen, Stefan Voorspoels, Malarvannan Govindan, Marie-Christine Dewolf, Elly Den Hond, Pierre Biot, Ludwine Casteleyn, Marike Kolossa-Gehring, Gerda Schwedler, Jürgen Angerer, Holger M. Koch, Birgit K. Schindler, Argelia Castaño, Marta Esteban López, Ovnair Sepai, Karen Exley,...
Thu, 05/23/2019 - 00:00
Toxins, Vol. 11, Pages 292: Rapid and Simple Detection of Ochratoxin A using Fluorescence Resonance Energy Transfer on Lateral Flow Immunoassay (FRET-LFI) Toxins doi: 10.3390/toxins11050292 Authors: Hyun-Kyung Oh Hyou-Arm Joung Minhyuk Jung Hohjai Lee Min-Gon Kim The detection of mycotoxins is crucial because of their toxicity in plants, animals, and humans. It is very important...
Wed, 05/22/2019 - 12:02
Abstract Although sensory appeal influences peanut consumption, peanut varieties are mostly selected based on agronomic traits. As a result, the sensory properties of peanut varieties, especially in southern Africa, are not known. Therefore, the primary objective of the study was to determine the sensory properties of the Malawi peanut varieties and the volatile compounds associated with roasted...
Mon, 05/20/2019 - 11:47
Abstract For addressing the issues of pesticide residue analysis characterized by the trace levels of target analytes and the complexity of sample matrices, a selective extracting material, carbon nanotubes (CNTs)/β‐cyclodextrin (β‐CD) nanocomposite reinforced hollow fiber (HF), was developed. CNTs were chemically modified with β‐CD and then the resultant nanocomposite was immobilized into the...
Mon, 05/20/2019 - 11:20
The Zur-regulon is central to zinc homeostasis in the zinc-resistant bacterium Cupriavidus metallidurans. It comprises the transcription regulator Zur, the zinc importer ZupT, and three members of the COG0523 family of metal-chaperoning G3E-type GTPases, annotated as CobW1, CobW2, and CobW3. The operon structures of the zur and cobW1 loci were determined. To analyze the interplay between the Zur...
Mon, 05/20/2019 - 06:49
Abstract The fumigant toxicity of eight individual essential oils (EOs; basil, cinnamon, eucalyptus, mandarin, oregano, peppermint, tea tree, and thyme) and one binary combination (thyme and oregano) for control of the rice weevil, Sitophilus oryzae, were investigated. In bioassays, all individual and combined EOs were toxic to the rice weevil. Eucalyptus EO exhibited the highest toxicity among...
Mon, 05/20/2019 - 01:11
Publication date: 1 October 2019 , Volume 294Author(s): Chong Wang, Yunting Xie, Huiyuan Wang, Yun Bai, Chen Dai, Chunbao Li, Xinglian Xu, Guanghong ZhouAbstractThe effect of various beer marinades on formation of polycyclic aromatic hydrocarbons (PAHs) in charcoal-grilled chicken wings (CWs) and the active ingredients in beer contributing to inhibition of PAH formation were studied. The 1,1-...
Mon, 05/20/2019 - 01:11
Available online 16 May 2019 Author(s): Anibal Concha-meyer, Stephanie Grandon, Gloria Sepúlveda, Ricardo Diaz, José Antonio Yuri, Carolina TorresAbstractPesticide residues on foods are a global concern due to the impact on human health. Many countries have adopted regulations to establish Maximum Residue Levels (MRLs) to control use of pesticides. This study aimed to determine pesticide residues...
Mon, 05/20/2019 - 01:11
Available online 16 May 2019 Author(s): Saeed S. AlbaseerAbstractControl of residual levels of synthetic pyrethroids in fresh fruits and vegetables as well as in foodstuff made of fresh agricultural produces is of utmost importance. Apart from the need to more control on application of pesticides by farmers, simple and effective postharvest practices by consumers and/or manufacturers usually...
Sun, 05/19/2019 - 01:12
Publication date: Available online 18 May 2019 Environmental ResearchAuthor(s): Zhiwei Xu, Hilary Bambrick, Laith Yakob, Gregor Devine, Francesca D. Frentiu, Rina Marina, Pandji Wibawa Dhewantara, Roy Nusa, R. Tedjo Sasmono, Wenbiao HuAbstractBackgroundAlthough the association between dengue in Bali, Indonesia, and imported dengue in Australia has been widely asserted, no study has quantified...
Sat, 05/18/2019 - 01:08
Publication date: Available online 16 May 2019 Innovative Food Science & Emerging TechnologiesAuthor(s): Jessica Genovese, Silvia Tappi, Wei Luo, Urszula Tylewicz, Silvia Marzocchi, Sara Marziali, Santina Romani, Luigi Ragni, Pietro RocculiAbstractThis preliminary study aimed to compare the application of pulsed electric field (PEF) with a traditional blanching as pre-treatments before frying...
Fri, 05/17/2019 - 15:35
Abstract Pesticide residues in produce are not commonly monitored in developing countries. This study aims to determine whether washing and peeling has an effect on removing pesticide residues from guava fruits. Seventy‐five guava samples were purchased from Thai markets, and analyzed for 67 pesticides. Eighteen pesticides were detected in the guava samples. The incidence of pesticide detection...
Fri, 05/17/2019 - 15:35
Abstract Pesticide residues in produce are not commonly monitored in developing countries. This study aims to determine whether washing and peeling has an effect on removing pesticide residues from guava fruits. Seventy‐five guava samples were purchased from Thai markets, and analyzed for 67 pesticides. Eighteen pesticides were detected in the guava samples. The incidence of pesticide detection...
Fri, 05/17/2019 - 01:14
Publication date: Available online 16 May 2019 Food and Chemical ToxicologyAuthor(s): Véronique Sirot, Gilles Riviere, Stéphane Leconte, Karine Vin, Thiema Traore, Julien Jean, Géraldine Carne, Sébastien Gorecki, Bruno Veyrand, Philippe Marchand, Bruno Le Bizec, Cravedi Jean-Pierre, Cyril Feidt, Paule Vasseur, Marine Lambert, Chanthadary Inthavong, Thierry Guerin, Marion HulinAbstractA total diet...
Fri, 05/17/2019 - 01:12
Publication date: 1 October 2019 , Volume 294Author(s): Toshiaki Yoshioka, Yoshihiro Izumi, Yasushi Nagatomi, Yasuhisa Miyamoto, Koji Suzuki, Takeshi BambaAbstractAcrylamide (AA) analysis is an important topic in food safety. However, it is difficult to rapidly and accurately analyze low concentrations of AA with currently available methods. In the present study, we introduce a highly sensitive...
Fri, 05/17/2019 - 00:00
Solid-phase extraction (SPE) was combined with dispersive liquid-liquid microextraction based on solidification of floating organic droplet (DLLME-SFO) as a pretreatment technique for the simultaneous analysis of 11 organochlorine pesticides (OCPs) and 5 polychlorinated biphenyls (PCBs) in fish tissue. Gas chromatography with electron capture detector was used for the...
Thu, 05/16/2019 - 11:01
Microcin PDI (MccPDI), a class IIa microcin that is produced by Escherichia coli strains 25 and 284, is known to inhibit foodborne pathogenic enterohemorrhagic E. coli serotypes O157:H7 and O26. Here we demonstrate that MccPDI can inhibit Shigella strains and E. coli isolates that are multidrug resistant, the latter including strains known to cause urinary tract infections in people and companion...
Thu, 05/16/2019 - 01:07
Publication date: Available online 14 May 2019 Environmental ResearchAuthor(s): Akin Cayir, Timothy M. Barrow, Liqiong Guo, Hyang-Min ByunAbstractThe epitranscriptome comprises more than 100 forms of RNA modifications. Of these, N6-methyladenosine (m6A) is the most abundantform of RNA methylation, with roles in modulating mRNA transcript processing and regulation. The aims of the study...
Thu, 05/16/2019 - 01:07
Publication date: Available online 14 May 2019 Environmental ResearchAuthor(s): Monique Williams, Krassimir N. Bozhilov, Prue TalbotAbstractBackgroundSince their release in 2004, electronic cigarettes (ECs) and their atomizers have undergone significant evolution.ObjectiveThe purpose of this study was to evaluate and compare the elemental/metal composition of atomizers in cartomizer and tank...
Sun, 05/12/2019 - 01:13
Publication date: 1 October 2019 , Volume 294Author(s): Jian Zhou, Xiao-Hong Chen, Sheng-Dong Pan, Jun-Lin Wang, Yi-Bin Zheng, Jiao-Jiao Xu, Yong-Gang Zhao, Zeng-Xuan Cai, Mi-Cong JinAbstractAn effective method has been developed for the simultaneous determination of four bisphenols (bisphenol A, S, F and B) in various foodstuffs. The contaminants were extracted by QuEChERS-based strategy and...
Sat, 05/11/2019 - 09:58
Abstract BACKGROUND Smoked fish is a major source of animal protein in developing countries. It is largely produced by hot‐smoking on traditional kilns using fuelwood. This practice is associated with high polycyclic aromatic hydrocarbon (PAH) contamination in products, with consequences for public health. An improved kiln, called FAO‐Thiaroye Technique (FTT), has been introduced by the Food and...
Thu, 05/09/2019 - 17:00
Liang Sun, Hyunwook Lee, Hendrik Jan Thibaut, Kristina Lanko, Eva Rivero-Buceta, Carol Bator, Belen Martinez-Gualda, Kai Dallmeier, Leen Delang, Pieter Leyssen, Federico Gago, Ana San-Félix, Susan Hafenstein, Carmen Mirabelli, Johan Neyts Enterovirus A71 (EV-A71) is a non-polio neurotropic enterovirus with pandemic potential. There are no antiviral agents approved to prevent or treat EV-A71...
Tue, 05/07/2019 - 00:00
Toxins, Vol. 11, Pages 255: Varanid Lizard Venoms Disrupt the Clotting Ability of Human Fibrinogen through Destructive Cleavage Toxins doi: 10.3390/toxins11050255 Authors: James S. Dobson Christina N. Zdenek Chris Hay Aude Violette Rudy Fourmy Chip Cochran Bryan G. Fry The functional activities of Anguimorpha lizard venoms have received less attention compared to serpent...
Sat, 05/04/2019 - 01:17
Available online 2 May 2019 Author(s): Yuting Wang, Huiyu Hu, David Julian McClements, Shaoping Nie, Mingyue Shen, Chang Li, Yousheng Huang, Yadong Zhong, Jie Chen, Maomao Zeng, Mingyong XieAbstractThe effect of unsaturated free fatty acids (FFAs) and triglycerides (TGs) on the formation of acrylamide and 5-hydroxymethylfurfural (HMF) at frying temperature was investigated. We hypothesized that...
Sat, 05/04/2019 - 00:00
Abstract In this study various coatings from apple press cake (AP) with immobilized antifungal bacterial cells were used for bread surface treatment to increase anti-moulding effect. The antifungal effect and technological properties of newly isolated Lactobacillus coryniformis LUHS71, L. curvatus LUHS51, L. farraginis LUHS206 and Leuconostoc mesenteroides LUHS225 strains. Then...
Thu, 05/02/2019 - 11:02
Western Canada produces large amounts of bitumen, a heavy, highly weathered crude oil. Douglas Channel and Hecate Strait on the coast of British Columbia are two water bodies that may be impacted by a proposed pipeline and marine shipping route for diluted bitumen (dilbit). This study investigated the potential of microbial communities from these waters to mitigate the impacts of a potential...
Thu, 05/02/2019 - 00:00
The development and validation of a capillary electrophoresis–tandem mass spectrometry method for the determination of nine pesticides residues in corn samples is presented. The residues of thiabendazole, aminocarb, imazalil, atrazine, metazachlor, metoxuron, carbofuran, metosulam, and imazapyr have been extracted from corn samples using QuEChERS based extraction procedure. The...
Thu, 05/02/2019 - 00:00
Toxins, Vol. 11, Pages 249: Toxicity Studies of Chanoclavine in Mice Toxins doi: 10.3390/toxins11050249 Authors: Sarah C. Finch John S. Munday Jan M. Sprosen Sweta Bhattarai Epichloë endophytes have been used successfully in pastoral grasses providing protection against insect pests through the expression of secondary metabolites. This approach could be extended to...
Wed, 05/01/2019 - 01:12
Publication date: Available online 29 April 2019 Environmental ResearchAuthor(s): Antonio J. Signes-Pastor, Jesús Vioque, Eva M. Navarrete-Muñoz, Manus Carey, Miguel García-Villarino, Ana Fernández-Somoano, Adonina Tardón, Loreto Santa-Marina, Amaia Irizar, Maribel Casas, Mònica Guxens, Sabrina Llop, Raquel Soler-Blasco, Manoli García-de-la-Hera, Margaret R. Karagas, Andrew A. MehargAbstractEarly...
Wed, 05/01/2019 - 01:10
Available online 29 April 2019 Author(s): Xueli Wang, Yan Zhang, Zhi Geng, Yang Liu, Lixia Guo, Gexin XiaoAbstractMeat for human consumption, may contain a variety of contaminants, including heavy metals. The data of five heavy metals (cadmium, lead, arsenic, chromium, and mercury) in meat products collected from major production provinces in China during 2015-2017 were analyzed by...
Wed, 05/01/2019 - 01:10
Available online 29 April 2019 Author(s): Chunjian Wu, Li Wang, Xiaobing Guo, He Li, Shujuan YuAbstractAn ultra-performance liquid chromatography-tandem mass spectrometry method was developed and validated for the simultaneous analysis of 4(5)-methylimidazole (4-MI) and acrylamide (AA) in biscuit products. The samples were extracted with methanol followed by dispersive primary secondary amine...
Wed, 05/01/2019 - 00:00
Sensitive identification and detection of melamine illegally added to food to increase false protein content is important for food safety monitoring because melamine can cause tissue injury or even death above the safety regulation level. Melamine can coordinate with two thymines to form stable T-melamine-T structures. On the basis of such a unique interaction, we have...
Mon, 04/29/2019 - 20:00
Surveillance and Genomics of Toxigenic Vibrio cholerae O1 From Fish, Phytoplankton and Water in Lake Victoria, Tanzania Yaovi M. Gildas Hounmanou1*, Pimlapas Leekitcharoenphon2, Rene S. Hendriksen2, Tamegnon V. Dougnon3, Robinson H. Mdegela4, John E. Olsen1 and Anders Dalsgaard1 1Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen,...
Mon, 04/29/2019 - 20:00
Integrative Analyses of Long Non-coding RNA and mRNA Involved in Piglet Ileum Immune Response to Clostridium perfringens Type C Infection Xiaoyu Huang1, Wenyang Sun1, Zunqiang Yan1, Hairen Shi1, Qiaoli Yang1, Pengfei Wang1, Shenggui Li1, Lixia Liu2, Shengguo Zhao1 and Shuangbao Gun1,3* 1College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China 2College of Life...
Sat, 04/27/2019 - 01:14
Available online 25 April 2019 Author(s): Jonatan V. Dias, Maria da Graça P. Nunes, Ionara R. Pizzutti, Bárbara Reichert, Aliar A. Jung, Carmem D. CardosoAbstractA simple and rapid method for simultaneous determination of pesticides and mycotoxins in red wine is presented. Sample preparation approach, called direct injection, consists of a sequence of only three steps: centrifugation, dilution...
Sat, 04/27/2019 - 01:14
Available online 25 April 2019 Author(s): Xi Chen, Mengshi Lin, Lin Sun, Taotao Xu, Keqiang Lai, Meizhen Huang, Hetong LinAbstractThe contamination of pesticide residues in Oolong tea has raised much concern in recent years. The objective of this study was to synthesize gold nanoparticles (AuNPs) and develop surface-enhanced Raman spectroscopy (SERS) methods for detection and quantification of...
Sat, 04/27/2019 - 01:14
Available online 26 April 2019 Author(s): Juan Manuel Montiel-León, Sung Vo Duy, Gabriel Munoz, Marc-André Verner, Mohammed Y. Hendawi, Hector Eduardo Moya Rojas, Marc Amyot, Sébastien SauvéAbstractHuman exposure to pesticides commands the implementation of food safety control, but few studies have provided a comparative assessment of conventional and organic products. This study set out to...
Sat, 04/27/2019 - 01:14
Available online 24 April 2019 Author(s): Ellen De Paepe, Jella Wauters, Mik Van Der Borght, Johan Claes, Steve Huysman, Siska Croubels, Lynn VanhaeckeAbstractA generic extraction and UHPLC-Q-OrbitrapTM-HRMS method was developed for four insect species (mealworm, grasshopper, house cricket and black soldier fly) analyzing a large spectrum of organic chemical contaminants, including pesticides (n=...
Sat, 04/27/2019 - 01:14
Available online 24 April 2019 Author(s): Zhijun Chen, Yiping Xu, Na Li, Yongzhong Qian, Zijian Wang, Yan LiuAbstractUsing the data from the “Agro-product Quality and Safety Risk Monitoring Plan” of the Ministry of Agriculture of China between 2012 and 2016, acute and chronic risk assessments of cumulative exposure to organophosphorus pesticides (OPPs) through vegetable consumption were conducted...
Sat, 04/27/2019 - 01:14
Available online 26 April 2019 Author(s): Shouxue Li, Xia Fan, Jiaqi Mei, Guanghui Shen, Lujia Han, Yang Li, Xian Liu, Zengling YangAbstractNear-infrared microscopy (NIRM) technology can analyze different components within a sample while also obtaining spatial information about the sample. No rapid detection methods are available for effectively identifying antibiotic mycelia residues (AMRs) in...

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