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Food Additives & Contaminants. Part B, Surveillance

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https://www.readbyqxmd.com/read/29962292/cadmium-and-lead-intake-by-consumption-of-ready-to-eat-infant-foods-on-the-polish-market
#1
Anna Winiarska-Mieczan, Małgorzata Kwiecień, Katarzyna Kwiatkowska, Edyta Kowalczuk-Vasilev, Bożena Kiczorowska
The purpose of this survey was to estimate the safety of ready to eat infant foods in terms of Pb and Cd content. The studied samples were ready to eat infant products: dinners (n = 74), soups (n = 27) and desserts (n = 82) containing components of animal origin: meat and/or milk. Cd and Pb content was determined using a GF-AAS method. The analysed products contained 1.82 to 3.54 µg Pb and 1.32 - 1.50 µg Cd per kg. The content of Pb per kg of the product can be represented as dinners > soups > desserts, whereas the content of Cd was dinners > desserts > soups...
July 2, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29886818/reduction-of-polycyclic-aromatic-hydrocarbons-in-common-carp-meat-smoked-in-traditional-conditions
#2
Jelena M Babić, Brankica D Kartalović, Snežana Škaljac, Suzana Vidaković, Dragana Ljubojević, Jelena M Petrović, Miroslav A Ćirković, Vlado Teodorović
Common carp meat was smoked in traditional conditions without filter and with zeolite, granular activated carbon, and gravel filters. The aim of this study was to determine the influence of using different filters in traditional smoking conditions on 16 polycyclic aromatic hydrocarbons from the Environmental Protection Agency list (16 US-EPA PAHs). Determination and quantification of PAHs were performed by gas chromatography-mass spectrometry (GC-MS). According to the obtained results, all examined samples of common carp meat smoked in traditional conditions were safe for consumers regarding to the European Commission Regulation on PAH content...
June 28, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29909756/phosphodiesterase-5-inhibitors-in-chinese-tonic-liquors-by-liquid-chromatography-coupled-with-quadrupole-time-of-flight-mass-spectrometry
#3
Bo Ding, Zhiyuan Wang, Jianjun Xie, Guangfeng Zeng, Wenrui Chen
Chinese tonic liquor is an important dietary supplement in daily use, but it often happens that illicitly adulterated drugs in Chinese tonic liquor could lead to food safety issues. In this survey an analytical method consisting of a liquid chromatography quadrupole time of flight mass spectrometer (LC-Q-TOF-MS), coupled with QuEChERS pretreatment, was established for identification of phosphodiesterase type 5 enzyme (PDE-5) inhibitors in Chinese tonic liquors. 86 PDE-5 inhibitors were qualitatively analyzed by employing information dependent acquisition mass spectrometry (IDA-MS) in comparison with the accurate mass of the protonated molecular ion, isotopic pattern, library and chemical formula...
June 18, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29788825/dioxin-like-polychlorinated-biphenyls-in-marine-fish-from-shandong-china-and-human-dietary-exposure
#4
Yanping Cao, Dafeng Jiang, Fenghua Li, Jindong Chen, Wei Li, Yanni Jiao, Lu Li
The occurrence and human dietary exposure of 12 dioxin-like polychlorinated biphenyls (DL-PCBs) in 41 marine fish samples from Shandong Province of China were investigated. The DL-PCB congeners were extracted using automated Soxhlet extraction, purified via a composite column cleanup procedure and analyzed by gas chromatography-triple quadrupole mass spectrometry. DL-PCB congeners were found in all analyzed samples, with a mean concentration of 0.887 ng/g ww (wet weight). The TEQ concentrations of DL-PCBs in individual fish samples ranged from 0...
May 22, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29716443/corticosteroids-in-liver-and-urine-in-sicilian-cattle-by-a-lc-ms-ms-method
#5
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 analysed 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 22, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29490584/co-occurrence-of-mycotoxins-in-commercial-formula-milk-and-cereal-based-baby-food-on-the-qatar-market
#6
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...
May 15, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29747556/mycotoxins-in-commercial-dry-pet-food-in-china
#7
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
https://www.readbyqxmd.com/read/29656702/kainic-acid-in-the-seaweed-palmaria-palmata-dulse
#8
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 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 27, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29575988/mycotoxins-in-infant-toddler-foods-and-breakfast-cereals-in-the-us-retail-market
#9
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 three geographical locations and analysed 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...
April 23, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29547065/occurrence-and-risk-assessment-of-mycotoxins-acrylamide-and-furan-in-latvian-beer
#10
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...
June 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29502487/aspergillus-section-flavi-and-aflatoxins-in-dried-figs-and-nuts-in-algeria
#11
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
https://www.readbyqxmd.com/read/29486662/polycyclic-aromatic-hydrocarbons-in-teas-using-quechers-and-hplc-fld
#12
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
https://www.readbyqxmd.com/read/29486658/polycyclic-aromatic-hydrocarbons-in-traditionally-smoked-meat-products-from-the-baltic-states
#13
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
https://www.readbyqxmd.com/read/29486656/aluminium-in-foodstuff-and-the-influence-of-aluminium-foil-used-for-food-preparation-or-short-time-storage
#14
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
https://www.readbyqxmd.com/read/29421965/total-aflatoxins-in-complementary-foods-produced-at-community-levels-using-locally-available-ingredients-in-ethiopia
#15
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...
June 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29388477/aflatoxin-b1-ochratoxin-a-and-zearalenone-in-sorghum-grains-marketed-in-tunisia
#16
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...
June 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29310543/cadmium-and-lead-in-cocoa-powder-and-chocolate-products-in-the-us-market
#17
Eileen Abt, Jennifer Fong Sam, Patrick Gray, Lauren Posnick Robin
Cocoa powder and chocolate products are known to sometimes contain cadmium (Cd) and lead (Pb) from environmental origins. A convenience sample of cocoa powder, dark chocolate, milk chocolate, and cocoa nib products was purchased at retail in the US and analysed using inductively coupled plasma mass spectrometry to assess Cd and Pb concentrations. Cd and Pb were evaluated in relation to the percent cocoa solids and to the reported origin of the cocoa powder and chocolate products. Cd ranged from 0.004 to 3.15 mg/kg and Pb ranged from <LOD to 0...
June 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29284371/glyphosate-residues-in-swiss-market-foods-monitoring-and-risk-evaluation
#18
Otmar Zoller, Peter Rhyn, Heinz Rupp, Jürg A Zarn, Christoph Geiser
A total of 243 samples of diverse foodstuffs were analysed for glyphosate and aminomethylphosphonic acid (AMPA) using a liquid chromatography triple quadrupole mass spectrometry (LC/MS/MS) method with a relatively low limit of quantification in the range of 0.0005-0.0025 mg kg-1 . Main contributors for dietary glyphosate and AMPA intake were cereals and pulses. The results suggest that pasta is a very important foodstuff for dietary glyphosate residue intake in Switzerland. Interestingly all samples of wine, fruit juice and nearly all samples of honey tested positive for glyphosate although at very low levels...
June 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29529944/total-mercury-levels-in-crustacean-species-from-italian-fishery
#19
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 from 0.070 to 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...
April 13, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29529936/aflatoxin-m-1-in-fresh-milk-collected-from-local-markets-of-karachi-pakistan
#20
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 analysed for aflatoxin M1 (AFM1 ) contamination using ELISA technique. AFM1 was detected in 143 (91.7%) samples, ranged from 20 to 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...
March 21, 2018: Food Additives & Contaminants. Part B, Surveillance
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