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Food Additives & Contaminants. Part B, Surveillance

Manyu Shao, Li Li, Zuli Gu, Ming Yao, Danning Xu, Wentao Fan, Liping Yan, Suquan Song
The aim of this study was to investigate the occurrence of the most common mycotoxins in commercial dry dog food using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Aflatoxin B1 (AFB1), aflatoxin G1 (AFG1), zearalenone (ZEN), deoxynivalenol (DON), T-2, beauvericin (BEA), citrinin (CIT), ochratoxin A (OTA), fumonisin B1 (FB1) were included in this study. The results showed that all these analytes could be found in the samples. Furthermore, only one sample was found free of mycotoxins contamination...
May 10, 2018: Food Additives & Contaminants. Part B, Surveillance
Vita Giaccone, Andrea Macaluso, Gaetano Cammilleri, Antonio Vella, Vincenzo Ferrantelli
The presence of corticosteroid residues was assessed in urine and liver samples from livestock of Sicily. A total of 630 bovine samples were collected from farms and slaughterhouses. The samples were analyzed using solid-phase extraction (SPE) coupled with ultra-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). All the corticosteroids found were under the maximum residue limit imposed by Commission Regulation (EC) 37/2010. About 4% of liver samples showed dexamethasone levels above the limit of detection (LOD), with a mean of 1...
May 2, 2018: Food Additives & Contaminants. Part B, Surveillance
Kevin Jørgensen, Pelle Thonning Olesen
Twenty samples of the seaweed Palmaria palmata (dulse) purchased mainly from commercial internet shops on the European market were analysed by a liquid chromatograph coupled with a tandem mass spectrometer (LC-MS/MS) method for the content of kainic acid, a naturally occurring neurotoxic compound in P. palmata. Kainic acid levels in the samples ranged widely from trace levels to approximately 560 μg g-1 dry weight.
April 15, 2018: Food Additives & Contaminants. Part B, Surveillance
Kai Zhang, Brenna M Flannery, Carolyn J Oles, Anthony Adeuya
The objective of this study was to conduct a mycotoxin survey of commercial infant/toddler foods (cereals and teething biscuits) and breakfast cereals in the United States. A total of 215 retail samples were collected from 3 geographical locations and analyzed for aflatoxins, fumonisins, deoxynivalenol, HT-2 toxin, ochratoxin A, T-2 toxin and zearalenone using a stable isotope dilution liquid-chromatography tandem mass spectrometry (LC-MS/MS) method. One or more mycotoxins were found in 69% (101/147) of the infant/toddler foods and 50% (34/68) of breakfast cereals...
March 26, 2018: Food Additives & Contaminants. Part B, Surveillance
Estefanija Bogdanova, Irina Rozentale, Iveta Pugajeva, Emeka E Emecheta, Vadims Bartkevics
This work reports data on the occurrence of nine mycotoxins and two food processing contaminants - acrylamide and furan - in a total of 100 beers produced in Latvia. Mycotoxins were detected by high-performance liquid chromatography (HPLC) coupled with time-of-flight mass spectrometry, acrylamide by HPLC coupled with quadrupole-Orbitrap mass spectrometry, and furan by headspace gas chromatography-mass spectrometry. The most frequently occurring mycotoxins were HT-2 and deoxynivalenol (DON), which were detected in 52% and 51% of the analysed samples...
March 16, 2018: Food Additives & Contaminants. Part B, Surveillance
Salum Mohammed, Joan J E Munissi, Stephen S Nyandoro
A total of 61 samples comprising sunflower seeds (40) and unrefined sunflower oils (21) samples collected randomly from Singida, Tanzania were analysed by Reverse Phase-high performance liquid chromatography (RP-HPLC). 15% (6/40) of the seed samples were contaminated with aflatoxin B1 ranging from limit of detection (LOD) to 218 ng g-1 with three of them exceeding the European Commission/European Union (EC/EU) and Tanzania Bureau of Standards (TBS)/Tanzania Food and Drug Authority (TFDA) maximum limits of 2 ng g-1 for AFB1 in oilseeds...
March 16, 2018: Food Additives & Contaminants. Part B, Surveillance
Gabriella Di Lena, Irene Casini, Roberto Caproni, Elena Orban
This study investigated mercury contamination levels in eight commercially valuable Crustacean species caught off the Central Adriatic and Tyrrhenian coasts of Italy. Total mercury levels were measured by Thermal Decomposition-Amalgamation-Atomic Absorption Spectrophotometry. Results showed a high variability among species with values ranging between 0.070 and 1.24 (mg kg-1 wet weight). The lowest mercury levels were detected in caramote prawn (Penaeus kerathurus), warty crab (Eriphia verrucosa) and European spider crab (Maja squinado), decapods living in shallow waters...
March 12, 2018: Food Additives & Contaminants. Part B, Surveillance
Muhammad Asif Asghar, Aftab Ahmed, Muhammad Arif Asghar
During 2016-2017, 156 samples of fresh milk samples were collected from local markets of Karachi-Pakistan and analyzed for aflatoxin M1 (AFM1 ) contamination using ELISA technique. AFM1 was detected in 143 (91.7%) samples, ranged from 20-3090 ng L-1 with a mean level of 346.2 ng L-1 . In 125 (80.1%) samples, the AFM1 contamination was greater than the maximum limit (ML = 50 ng L-1 ) set by EU. However, in 51 (32.7%) samples the AFM1 level was higher than the ML of 500 ng L-1 as assigned by the USA. Statistical analysis showed that the AFM1 level in milk samples from summer was significantly (P < 0...
March 12, 2018: Food Additives & Contaminants. Part B, Surveillance
Abebe Ayelign, Ashagrie Zewdu Woldegiorgis, Abdulaziz Adish, Sarah De Saeger
This study was conducted to determine the occurrence and levels of total aflatoxins in complementary foods (CFs) and their ingredients. A total of 126 samples collected from 20 Districts from Amhara, Tigray, Oromia, and Southern Nations Nationalities and Peoples (SNNP) regions were analysed for levels of total aflatoxins using enzyme linked immunosorbent assay (ELISA). Aflatoxins were detected in 62 out of 66 pre-milling samples with mean range of 0.3-9.9 µg/kg. Aflatoxins were also detected in 19 out of 20 post-production CFs and in all of the one-month stored CFs at households and grain banks, with a mean range of 0...
March 2, 2018: Food Additives & Contaminants. Part B, Surveillance
Amani Lahouar, Ines Jedidi, Vicente Sanchis, Salem Saïd
A total of 64 samples of sorghum (37 Tunisian sorghum samples and 27 Egyptian sorghum samples) were collected during 2011-2012 from markets in Tunisia. Samples were analysed for contamination with aflatoxin B1, ochratoxin A and zearalenone by High-Performance Liquid Chromatography Coupled with Fluorescence Detection (HPLC-FLD). Aflatoxin B1 was found in 38 samples in the range 0.03-31.7 µg kg-1 . Ochratoxin A was detected in 24 samples with concentrations ranging from 1.04 to 27.8 µg kg-1 . Zearalenone was detected in 21 samples and the concentration varied between 3...
March 2, 2018: Food Additives & Contaminants. Part B, Surveillance
Zahoor Ul Hassan, Roda Al Thani, Fathy A Atia, Saeed Al Meer, Quirico Migheli, Samir Jaoua
The present study was conducted to explore the occurrence of mycotoxins in commercial baby foods in Doha-Qatar. LCMS/MS- and HPLC-based analysis of baby food (n=67) for 12 mycotoxins, confirmed the presence of aflatoxin M1 (AFM1, 33%), ochratoxin A (OTA, 31%), deoxynivalenol (DON, 27%), aflatoxin B1 (AFB1, 22%), fumonisin B2 (FB2, 10%), zearalenone (ZEN, 4%) and T-2 toxin (2%). Noodles exhibited the maximum contamination percentage, with 33% of the samples being contaminated above the EU maximum limits, for at least one mycotoxin...
February 28, 2018: Food Additives & Contaminants. Part B, Surveillance
Nouara Ait Mimoune, Natalia Arroyo-Manzanares, Laura Gámiz-Gracia, Ana M García-Campaña, Karima Bouti, Nasserdine Sabaou, Amar Riba
The presence of Aspergillus section Flavi and aflatoxin (AF) contamination was investigated in 112 samples of peanuts, almonds and dried figs collected in Algeria. The occurrence of aflatoxin B1 (AFB1), B2 (AFB2), G1 (AFG1) and G2 (AFG2) in different commodities has been determined with a sensitive method based on high performance liquid chromatography (HPLC) coupled with fluorescence detection with post-column photochemical derivatisation. Analytical results indicated that 28 samples of peanuts, 16 samples of almonds and 26 samples of dried figs contained detectable levels of AFs...
June 2018: Food Additives & Contaminants. Part B, Surveillance
Silvia A V Tfouni, Raquel M Reis, Kamille Kamikata, Fernanda M L Gomes, Marcelo A Morgano, Regina P Z Furlani
Polycyclic aromatic hydrocarbons (PAHs) are food-processing contaminants considered to be carcinogenic and genotoxic. Due to its drying process stage, teas may be contaminated with PAHs. The aim of the study was to validate an analytical method involving QuEChERS and HPLC-FLD for the determination of PAH4 in teas and evaluate the contamination levels in 10 different types of teas from Brazil. Recoveries varied from 54% to 99% and relative standard deviations from 1% to 21%. Limits of detection and quantification were from 0...
June 2018: Food Additives & Contaminants. Part B, Surveillance
Irina Rozentale, Dzintars Zacs, Elena Bartkiene, Vadims Bartkevics
A total of 77 traditionally smoked meat samples produced in Latvia, Lithuania, and Estonia were tested for the occurrence of four EU regulated polycyclic aromatic hydrocarbons (PAHs). Levels of PAHs exceeding the EU maximum levels for benzo[a]pyrene and for the sum of four PAHs (PAH4) were detected in 46% and 48% of the samples originating from Latvia. The detected BaP levels in smoked meats ranged from 0.05 to 166 μg kg-1 , while the PAH4 content ranged from 0.42 to 628 μg kg-1 . The mean dietary exposure to PAHs was estimated at the levels of 5...
June 2018: Food Additives & Contaminants. Part B, Surveillance
Kathrin Ertl, Walter Goessler
Aluminium is an omnipresent part of everyday life. It is widely used in industry and furthermore in products like cosmetics, sun creams or it can be applied for instance as aluminium foil by consumers during food preparation in households. However, over the last decades the toxicity of aluminium for humans has been heavily discussed and is still not completely clarified. Therefore, food aluminium concentrations were investigated in different untreated foodstuff as well as a possible aluminium transfer from aluminium foil to food...
June 2018: Food Additives & Contaminants. Part B, Surveillance
Alemayehu Getachew, Alemayehu Chala, Ingerd Skow Hofgaard, May Bente Brurberg, Michael Sulyok, Anne-Marte Tronsmo
The natural occurrence of fungi, mycotoxins and fungal metabolites was investigated in 100 samples of maize grains collected from south and southwestern Ethiopia in 2015. The maize samples were contaminated by Fusarium, Aspergillus and Penicillium species. Using liquid chromatography tandem mass spectrometry 127 secondary metabolites were analysed. Zearalenone was the most prevalent mycotoxin, occurring in about 96% of the samples. Zearalenone sulfate was the second most prevalent, present in 81% of the samples...
March 2018: Food Additives & Contaminants. Part B, Surveillance
Monica Scordino, Francesco Lazzaro, Marco A Borzì, Leonardo Sabatino, Pasqualino Traulo, Giacomo Gagliano
This paper reports the occurrence of dehydroacetic acid in cheese and cheese coatings collected in Italy during Agricultural Ministry Official control. Dehydroacetic acid is an antimicrobial substance not allowed to be used in EU countries as a food additive, with unknown effects on human health. Dehydroacetic acid was measured by a validated HPLC method according to Commission Decision 2002/657/EC criteria in terms of specificity, linearity, precision and accuracy, limit of detection, and limit of quantification...
March 2018: Food Additives & Contaminants. Part B, Surveillance
Igor Tomasevic, Margarita Dodevska, Milan Simić, Smiljana Raicevic, Violeta Matovic, Ilija Djekic
In total 7351 meat preparations and fresh processed meat products were analysed from 555 different Serbian meat producers over a 10-year period, 4.5 years before and 5.5 years after mandatory Hazard Analysis and Critical Control Points (HACCP) implementation. From the obtained results, it could be concluded that HACCP has contributed to a better alignment of practices with the legal provisions. The share of non-compliant samples dropped from 18.6% before HACCP to 8.3% after its mandatory implementation. Average sulphite concentrations for all categories of meat preparations and fresh processed meat products decreased by 43%, declining from 33...
March 2018: Food Additives & Contaminants. Part B, Surveillance
Dafeng Jiang, Jindong Chen, Fenghua Li, Wei Li, Lianlong Yu, Fengjia Zheng, Xiaolin Wang
In the present study, 100 commercial breads and biscuits were investigated for the occurrence of deoxynivalenol (DON) and its acetylated derivatives 3-acetyldeoxynivalenol (3-Ac-DON) and 15-acetyldeoxynivalenol (15-Ac-DON). The target mycotoxins were determined by isotope dilution ultrahigh performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). DON was determined in 95% of the test samples with a mean value of 153.3 µg/kg. Compared with DON, 3-Ac-DON and 15-Ac-DON were far less frequently detected, with mean values of 1...
March 2018: Food Additives & Contaminants. Part B, Surveillance
Helga Tima, Adrienn Berkics, Zoltán Hannig, András Ittzés, Eleonóra Kecskésné Nagy, Csilla Mohácsi-Farkas, Gabriella Kiskó
Among Fusarium mycotoxins, deoxynivalenol (DON) is the most common contaminant in case of cereals and cereal-based foods in Hungary. In this study, Hungarian wheat (n = 305), maize (n = 108), wheat flour (n = 179) and pasta (n = 226) samples were analysed (N = 818). The samples were collected during 2008-2015 in Hungary. Applied methods of analysis were enzyme-linked immunosorbent assay and liquid-chromatography coupled with a mass spectrometer. Results were compared and evaluated with Hungarian weather data...
March 2018: Food Additives & Contaminants. Part B, Surveillance
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