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Food Additives & Contaminants. Part B, Surveillance

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https://www.readbyqxmd.com/read/30280644/fumonisin-occurrence-in-wheat-based-products-from-argentina
#1
Eugenia Cendoya, Maria J Nichea, María P Monge, Michael Sulyok, Stella M Chiacchiera, María L Ramirez
In Argentina, wheat is the most consumed cereal by the human population. Since fumonisins occurence in wheat grains and wheat-based products have been reported worldwide, a survey was conducted in order to determine fumonisin contamination in 91 wheat-based products (white wheat flour samples, wheat flour used at bakery products and whole-wheat flour samples) collected from different retail stores of Rio Cuarto city in Argentina using HPLC-MS/MS. Sixty-seven samples (74%) showed contamination by fumonisins...
October 3, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/30277127/health-risk-due-to-chronic-heavy-metal-consumption-via-cow-s-milk-produced-in-puebla-mexico-in-irrigated-wastewater-areas
#2
Numa Pompilio Castro-González, Francisco Calderón-Sánchez, Marcos Pérez-Sato, Eutiquio Soní-Guillermo, Erick Reyes-Cervantes
The aim of this study was to determine the heavy metals content of milk from cows fed with forage irrigated with waste water from industrial sources and the health risk to children. Milk samples were taken from milk collection tanks of eight localities in the state of Puebla. On average, the heavy metals in the milk had the following order Zn> As> Pb > Cr> Cu > Ni. Pb (0.03 mg kg-1 ) exceeded the Codex limits. For As the hazard index was 8.0 ± 0.4, which is far above 1. On the other hand, the individual risk of cancer showed a descending order Cr> As > Pb, while the risk of total cancer (0...
October 2, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/30179572/occurrence-of-aflatoxin-m1-in-raw-and-processed-milk-and-assessment-of-daily-intake-in-lahore-multan-cities-of-pakistan
#3
Mateen Ahmad, Muhammad Awais, Shinawar Waseem Ali, Hafiz Azhar Ali Khan, Muhammad Riaz, Asif Sultan, Muhammad Shakeel Bashir, Adnan Ishtiaq Chaudhry
In this survey aflatoxin, M1 was quantified in raw and processed milk from various areas of two big cities of Punjab province, i.e. Lahore and Multan. The results indicated that approximately 90% of the raw milk samples collected from Lahore city was contaminated with aflatoxin M1 . Similarly, around 92% of the raw milk samples collected from Multan city was contaminated with aflatoxin M1 . All samples of processed milk and tea whiteners were contaminated and 56% of the contaminated processed milk samples and 66% of the contaminated tea whitener samples were violating the maximum limits...
September 4, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/30160642/alternaria-toxins-in-argentinean-wheat-bran-and-flour
#4
Ángela Rocío Romero Bernal, Cora Marcela Reynoso, Víctor Alonso García Londoño, Leticia Elvira Broggi, Silvia Liliana Resnik
Alternaria species have been reported to infect a wide variety of vegetables, fruits, and cereal crops. Wheat is one of the most consumed cereal worldwide. A sensitive HPLC-DAD methodology was applied to quantify alternariol (AOH), alternariol methyl ether (AME) and tenuazonic acid (TeA) in 65 samples of whole wheat, bran, and flour. The extraction methodology allowed extracting the three toxins simultaneously. Limits of detection in wheat were 3.4, 4.5, and 0.5 µg kg-1 for AOH, AME and TeA, respectively...
August 30, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/30160603/total-as-and-as-speciation-from-worldwide-collected-red-wine-samples
#5
Véronique Vacchina, Ekaterina N Epova, Sylvain Bérail, Bernard Médina, Olivier François Xavier Donard, Fabienne Séby
Total As and As speciation were measured in 147 red wines collected worldwide by ICP-MS and HPLC-ICP-MS, respectively. The samples included mid-priced to prestigious wines with vintages covering a period of almost 50 years. Total As concentration ranged from below 0.1 to 56 µg/L (average value: 4.0 ± 5.9 µg/L). None of the samples presented a concentration exceeding the limit set by the Office of Vine and Wine of 200 µg/L. Inorganic As was the most abundant form, representing from about half to all total As, mainly as As(III)...
August 30, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/30157711/aflatoxins-in-maize-harvested-in-the-republic-of-serbia-over-the-period-2012-2016
#6
Jovana Kos, Elizabet Janić Hajnal, Bojana Šarić, Pavle Jovanov, Anamarija Mandić, Olivera Đuragić, Bojana Kokić
Aflatoxins (AFs) are one of the most frequent contaminants in maize. The Republic of Serbia represents a leader in terms of maize production and exports in Europe. In recent years, Serbia faced climate changes. Therefore, the main objective of this study was to examine AF occurrence in 3000 maize samples collected during 2012-2016. In maize samples from 2012, 2013, 2015, and 2016, AFs were detected in 72.3%, 24.7%, 36.7%, and 5.0% of the samples, in concentration ranges of 1.0-111.2, 1.2-65.2, 1.1-76.2, and 1...
August 29, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/30136906/lead-in-mangrove-root-crab-goniopsis-cruentata-and-risk-assessment-due-to-exposure-for-estuarine-villagers
#7
Renata Guerreiro Costa, Cecília Freitas da Silva Araújo, Antonin H Ferreol Bah, Erival Amorim Gomes Junior, Ynayara Joane de Melo Rodrigues, José Antonio Menezes-Filho
This study evaluated lead (Pb) content in mangrove root crabs Goniopsis cruentata and performed a risk assessment based on individual frequency of food consumption of the residents of an estuarine village in Brazil. The Pb content in the raw and two forms of processed crabs were analyzed by graphite furnace atomic absorption spectrometry. Based on consumption by the community, estimates of non-carcinogenic target hazard quotients (THQ) were calculated. The mean (± SD) Pb concentrations in raw tissues were: 0...
August 23, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29962292/estimation-of-weekly-intake-of-cadmium-and-lead-by-consumption-of-commercial-ready-to-feed-infant-foods
#8
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 1.82-3.54 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...
September 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
#9
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 quick easy cheap effective rugged safe (QuEChERS) pretreatment, was established for identification of phosphodiesterase type 5 enzyme (PDE-5) inhibitors in Chinese tonic liquors. 86 PDE-5 inhibitors were qualitatively analysed 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...
September 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
#10
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...
September 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
#11
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 clean-up procedure and analysed by gas chromatography-triple quadrupole mass spectrometry. DL-PCB congeners were found in all analysed 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...
September 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
#12
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...
September 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29656702/kainic-acid-in-the-seaweed-palmaria-palmata-dulse
#13
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.
September 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
#14
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...
September 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29529944/total-mercury-levels-in-crustacean-species-from-italian-fishery
#15
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...
September 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
#16
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...
September 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
#17
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...
September 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/29486657/aflatoxins-in-sunflower-seeds-and-unrefined-sunflower-oils-from-singida-tanzania
#18
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...
September 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/30102133/heavy-metals-in-seafood-purchased-from-a-fishery-market-in-hungary
#19
József Lehel, András Bartha, Dávid Dankó, Katalin Lányi, Péter Laczay
Heavy-metal content (arsenic, cadmium, lead and mercury) was investigated and evaluated in shellfish, oysters and squids. The samples were collected weekly for 20 weeks from a fishery product market in Hungary. The concentration of heavy metals was measured by Inductively Coupled Plasma Optical Emission Spectrometer (ICP-OES) analysis after sample preparation. The results were analysed statistically by one-way ANOVA method. The average concentration of arsenic (3.01 ± 1.46 mg kg-1 ) in shellfish was significantly higher (p < 0...
August 13, 2018: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/30052135/perfluorinated-compounds-in-food-simulants-after-migration-from-fluorocarbon-resin-coated-frying-pans-baking-utensils-and-non-stick-baking-papers-on-the-korean-market
#20
Heeju Choi, In-Ae Bae, Jae Chun Choi, Se-Jong Park, MeeKyung Kim
Perfluorinated compounds (PFCs) are used in manufacturing food contact materials, including non-stick cookware coatings and oil- and moisture-resistant paper coatings. The chemical stability of PFCs poses an issue for human safety, as they do not degrade well naturally and hence may accumulate in the body. In terms of food safety, since dietary intake is thought to be a major source of exposure to PFCs, it is necessary to assess the migration of PFCs from food packaging articles to food under typical cooking and storage conditions...
August 10, 2018: Food Additives & Contaminants. Part B, Surveillance
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