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Food Additives & Contaminants. Part B, Surveillance

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https://www.readbyqxmd.com/read/28494640/identification-of-3-mcpd-esters-to-verify-the-adulteration-of-extra-virgin-olive-oil
#1
Wei-Ching Hung, Guan-Jhih Peng, Wen-Ju Tsai, Mei-Hua Chang, Chia-Ding Liao, Su-Hsiang Tseng, Ya-Min Kao, Der-Yuan Wang, Hwei-Fang Cheng
Abstracts The adulteration of olive oil is an important issue around the world. This paper reports an indirect method by which to identify 3-monochloropropane-1,2-diol esters (3-MCPD esters) in olive oils. Following sample preparation, the samples were spiked with 1,2-bis-palmitoyl-3-chloropropanediol standard for analysis using gas chromatograph-tandem mass spectrometry. The total recovery ranged from 102.8 to 105.5%, the coefficient of variation ranged from 1.1 to 10.1%, and the limit of quantification was 0...
May 12, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28494690/acrylamide-in-thermal-processed-carbohydrate-rich-foods-from-chinese-market
#2
Fan Hu, Shao Qiang Jin, Bing Qi Zhu, Wan Qin Chen, Xin Yi Wang, Zhu Liu, Jin Wen Luo
Acrylamide content in food market in China was determined with the goal to evaluate related health concern. In this survey products of rice, potato corn, wheat, as well as dried fruit slices and instant foods were analysed. All these types of thermal processed carbohydrate-rich foods were frequently consumed in China. They were purchased from markets in Zhejiang province and analyzed using a LC-MS/MS method. Acrylamide was detected in 94.3% of 105 investigated samples, ranging from 10 to 3649 μg/kg with an average value of 231μg/kg and a median of 114μg/kg...
May 11, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28485661/lead-and-cadmium-in-mangrove-root-crab-goniopsis-cruentata-in-natura-and-at-food-processing-stages
#3
Renata G Costa, Homegnon A Ferreol Bah, Matheus J Bandeira, Sérgio S P Oliveira, José A Menezes-Filho
Lead (Pb) and cadmium (Cd) were determined in mangrove root crab (Goniopsis cruentata) tissues (in natura) and in two culinary preparations by graphite furnace atomic absorption spectrometry. Mangrove root crab samples from three sampling sites along the Jaguaripe River, Bahia, Brazil where lead glazed ceramics are produced and from two commercial preparations, were collected or purchased in March and April 2016. Cd levels in raw and processed samples were below the methods' LOD (0.016 mg kg(-1)), while Pb levels in the raw tissues were determined only in the gills (0...
May 9, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28464711/mercury-in-canned-tuna-marketed-in-cartagena-colombia-and-estimation-of-human-exposure
#4
Maria Alcala-Orozco, Yenifer Morillo-Garcia, Karina Caballero-Gallardo, Jesus Olivero-Verbel
The presence of mercury in tuna is ubiquitous, so national authorities should guarantee food safety of canned tuna available on the market, according to legal regulations. The objective of this survey was to assess total mercury (T-Hg) levels in brands of canned tuna marketed in Cartagena, Colombia, and determining fish consumption-based risks after ingestion. For that purpose, 252 cans of tuna were collected, representing six brands (A-F), in two mediums (water and oil). Mean T-Hg levels were 0.66±0.05 and 0...
May 2, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28447535/natural-occurrence-of-fumonisins-and-characteristics-of-pamonhas-sweet-type-from-southern-brazil
#5
Bruna Aparecida Silva, Rafaela Rosa, Juliana Regina Silva, Geovana D Savi, Vildes Maria Scussel
Fresh and frozen pamonhas, a native Brazilian food made with sweet corn (Zea mays L.), similar to the Mexican tamal, which has been incorporated into the country's diet were investigated for fumonisins (FBs: FB1 and FB2) contamination and product characteristics. The laboratory conditions of the applied fumonisins method with liquid chromatography and fluorescence detection were validated. Five out of the total samples showed FBs contamination above the national maximum level (ML) of 1000-1500 µg/kg. Despite this, in 59...
April 27, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28374639/pesticide-residues-in-orange-fruit-from-citrus-orchards-in-nuevo-leon-state-mexico
#6
Angela Suárez-Jacobo, Victor Manuel Alcantar-Rosales, Diana Alonso-Segura, Maria Heras-Ramírez, Dalau Elizarragaz-De La Rosa, Ofelia Lugo-Melchor, Octavio Gaspar-Ramirez
Some international organisations established maximum residue limits (MRLs) in food to protect human health. Mexico lacks regulations in this matter, affecting national and international trade from agroindustry. The aim of this study was to diagnose pesticide residues in oranges from Nuevo Leon, México, in citrus orchards. In May 2014, 100 orange fruit samples were taken randomly from orchards and subjected to analysis for 93 pesticides at residual level by GC/QQQ-MS and LCQ-TOF-MS. Results showed the presence of 15 pesticide residues in the samples...
April 25, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28424000/heavy-metals-and-pahs-in-canned-fish-supplies-on-the-serbian-market
#7
Nikolina J Novakov, Željko A Mihaljev, Brankica D Kartalović, Bojan J Blagojević, Jelana M Petrović, Miroslav A Ćirković, Dragan R Rogan
The aim of this study was to determine the level of heavy metals and PAHs in 57 samples of canned tuna, 25 samples of canned sardines and 16 samples of canned smoked sprouts, collected from supermarkets in Serbia. Heavy metal levels (lead, cadmium, mercury, arsenic, iron, copper and zinc) were determined using an ICP-MS method. Sixteen analyzed PAHs were determined using a GC-MS method. The trace elements in canned fish were in the range (mg kg(-1)) of 0.01-0.28 for lead, 0.003-0.08 for cadmium, 0.007-0.64 for mercury, 0...
April 20, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28393675/assessment-risk-to-children-s-health-due-to-consumption-of-cow-s-milk-in-polluted-areas-in-puebla-and-tlaxcala-m%C3%A3-xico
#8
Numa Pompilio Castro Gonzalez, Rafael Moreno-Rojas, Francisco Calderón Sánchez, Alicia Moreno Ortega, Mayté Juarez Meneses
This study aimed to determine the heavy metal content in cow's milk produced in areas irrigated with wastewater and to evaluate the risk to the health of children by the consumption of it. The sample consisted of four zones in which small farmers were selected and the milk of 160 cows in two seasons of the year. On average, the metals in the milk in decreasing order were 0.36; 0.046; 0.035; 0.029; 0.015; 0.012 and 0.002 mg kg (-1) for Zn, Pb, As, Cu, Cr, Ni and Cd, respectively. The Pb exceeded the limits allowed by Codex...
April 10, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28350272/cadmium-lead-tin-total-mercury-and-methylmercury-in-canned-tuna-commercialized-in-s%C3%A3-o-paulo-brazil
#9
Esther Lima de Paiva, Marcelo Antonio Morgano, Raquel Fernanda Milani
The objective of this work was to determine levels of inorganic contaminants in 30 samples of 5 commercial brands of canned tuna, acquired on the local market in Campinas, Sao Paulo, Brazil in the year of 2015. Total mercury and methylmercury (MeHg+) were determined by atomic absorption with thermal decomposition and amalgamation; and cadmium, lead and tin were determined by inductively coupled plasma optical emission spectrometry. Results indicated that 20% of the tuna samples surpassed limits determined by the Brazilian and European Commission legislation for cadmium; for lead the maximum value found was 59 µg kg(-1) and tin was not detected in any samples...
March 28, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28349741/organochlorine-pesticides-ocps-in-raft-mussels-coming-from-galician-r%C3%A3-as
#10
Nieves Carro, Isabel García, María Ignacio, Ana Mouteira
This survey gives an overview of the range of organochlorine pesticides (OCPs) α and γ-HCH (lindane), HCB, pp´-DDE, pp´-DDD, op´-DDT, pp´-DDT, aldrin, dieldrin, endrin, isodrin and trans-nonachlor in raft mussels cultivated in several polygons of the Galician Rías (Ares-Betanzos, Muros-Noia, Arousa, Pontevedra and Vigo) during the period 1998-2014. A significant number of OCPs were detected but the levels found were generally low, mainly in the recent samplings (2010-2014). The levels of ∑DDs (sum of DDTs and its metabolites, pp´-DDE and pp´-DDD) ranged between 0...
March 28, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28112031/mercury-in-canned-fish-from-local-markets-in-the-czech-republic
#11
Tomas Kral, Jana Blahova, Lenka Sedlackova, Jiri Kalina, Zdenka Svobodova
The aim of this survey was to compare total mercury (THg) in canned fish in terms of species and fishing area. A number of 110 samples of canned fish, which were divided by fish species and fishing area, were analysed. The highest THg content in muscle tissue was found in the escolar. In other fish species, the highest level was detected in tuna. Mercury content in tuna differed significantly from mackerel, sardine, and sprat. Mercury content in herring differed significantly from sprat. The order of the fish according to their THg content corresponds to their status in the aquatic food chain...
June 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28112034/ochratoxin-a-and-aflatoxin-b1-in-breakfast-cereals-marketed-in-serbia-occurrence-and-health-risk-characterisation
#12
Ljilja Torović, Ljiljana Trajković Pavlović, Milka Popović
The present paper reports data on the occurrence of ochratoxin A (OTA) and aflatoxin B1 (AFB1) in breakfast cereals marketed in Serbia and interprets consequent dietary exposure. A total of 136 samples was collected in 2012 and 2015 and analysed using high-performance liquid chromatography with fluorescence detection. OTA was detected in 20.7% of the samples in 2012 and 13.0% in 2015, with 3.6% and 0% of the samples above the EU maximum level, respectively. AFB1 was found in low concentrations in 11.1% of the samples collected in 2015, mainly corn based...
February 6, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28100150/polycyclic-aromatic-hydrocarbon-levels-and-risk-assessment-for-food-from-service-facilities-in-korea
#13
Shin-Woong Park, Jun-Hyun Jeong, Jae-Young Her, Mina K Kim, Kwang-Geun Lee
In this study, levels of benzo[a]anthracene, chrysene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene (BaP), dibenzo[a,h]anthracene, benzo[g,h,i]perylene and indeno[1,2,3-c,d]pyrene in 412 food items collected from food service facilities in Korea were analysed. The concentrations of the eight polycyclic aromatic hydrocarbons (PAHs) ranged 0.13-0.48 μg/kg. The concentrations of benzo[a]pyrene in all food samples were <1 μg/kg, which is the lowest maximum limit in foods regulated by European Union legislation...
February 2, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28110624/natural-occurrence-of-fumonisins-b1-and-b2-in-maize-from-eight-provinces-of-china-in-2014
#14
Yanxing Liu, Yan Jiang, Renjie Li, Minhao Pang, Yingchao Liu, Jingao Dong
A total of 249 maize kernel samples from 8 maize-producing provinces of China were collected after the harvest season in 2014. All samples were analysed using high-performance liquid chromatography. The incidences of FBs (FB1 + FB2) from Guizhou, Hebei, Inner Mongolia, Shanxi, Chongqing, Liaoning, Heilongjiang, and Henan provinces were 71.4%, 73.8%, 28.0%, 52.6%, 85.0%, 87.5%, 38.1%, and 100.0%, respectively. The average concentration of FBs was 817 µg kg(-1) and the concentrations ranged from <6 to 15,252 µg kg(-1)...
January 29, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28100125/sulphur-dioxide-in-meat-products-3-year-control-results-of-an-accredited-italian-laboratory
#15
Marco Iammarino, Anna Rita Ientile, Aurelia Di Taranto
Sulphiting agents are well-known food preservatives. The European legislation does not allow their addition in fresh meat preparations. Therefore this type of food products has often been verified. To high sulphite levels in food is a health safety risk, due to toxic effects that these compounds may exercise on humans. In this study the control activity as performed by an Italian accredited laboratory from 2013 to 2015, relating to determination of sulphites in meat products, is described. Six hundred and sixty-nine meat product samples were analysed...
January 29, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28091279/aflatoxin-m1-in-human-breast-milk-in-shahrekord-iran-and-association-with-dietary-factors
#16
Tina Jafari, Aziz A Fallah, Soleiman Kheiri, Abdolmajid Fadaei, Sayed Asadollah Amini
This survey was conducted to determine the occurrence and levels of aflatoxin M1 (AFM1) in 250 breast milk samples of lactating mothers, obtained from urban and rural regions of Shahrekord, Iran. Moreover, the association between AFM1 occurrence levels and dietary factors was assessed. AFM1 analysis was carried out using the competitive enzyme-linked immunosorbent assay technique for screening and high-performance liquid chromatography with fluorescence detection (HPLC-FLD) for confirmatory purposes. The toxin was detected in 39 samples (15...
January 29, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28090975/pesticide-residues-in-leafy-vegetables-and-human-health-risk-assessment-in-north-central-agricultural-areas-of-chile
#17
Sebastian Elgueta, Stella Moyano, Paulina Sepúlveda, Carlos Quiroz, Arturo Correa
To investigate pesticide residue concentrations and potential human health risk, a study was conducted in 118 leafy vegetable samples collected in 2014-2015 from the North Central agricultural areas of Chile. The pesticide residues were determined using the multiresidue QuEChERS method by gas chromatography as well as high-performance liquid chromatography. The results indicated that 27% of the total samples contained pesticide residues above the maximum residue limits of each active ingredient. The maximum estimated daily intake obtained for carbon disulphide (CS2), methamidophos, azoxystrobin and cypermethrin were 0...
January 29, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28077025/total-mercury-levels-in-commercial-fish-species-from-italian-fishery-and-aquaculture
#18
Gabriella Di Lena, Irene Casini, Roberto Caproni, Andrea Fusari, Elena Orban
Total mercury levels were measured in 42 commercial fish species caught off the Central Adriatic and Tyrrhenian coasts of Italy and in 6 aquaculture species. The study on wild fish covered species differing in living habitat and trophic level. The study on farmed fish covered marine and freshwater species from intensive and extensive aquaculture and their feed. Mercury levels were analysed by thermal decomposition-amalgamation-atomic absorption spectrophotometry. Total mercury concentrations in the muscle of wild fish showed a high variability among species (0...
January 29, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28093040/cadmium-in-liver-and-kidneys-of-domestic-balkan-and-alpine-dairy-goat-breeds-from-montenegro-and-serbia
#19
Vladimir Tomović, Marija Jokanović, Mila Tomović, Milana Lazović, Branislav Šojić, Snežana Škaljac, Maja Ivić, Sunčica Kocić-Tanackov, Igor Tomašević, Aleksandra Martinović
Concentrations of cadmium (Cd) were determined in the samples of 144 animals around 1 and of 144 animals around 4 years old. Cd was analysed by inductively coupled plasma-optical emission spectrometry (ICP-OES), after microwave digestion. Cd concentrations were higher (p < 0.05) in kidney than in liver and higher (p < 0.05) in older animals than in young ones. In domestic Balkan goat which was raised in a free-ranged system Cd accumulation was lower (p < 0.05) than in Alpine goat raised in an intensive production system...
January 25, 2017: Food Additives & Contaminants. Part B, Surveillance
https://www.readbyqxmd.com/read/28043208/evaluation-of-pesticide-residues-in-fruits-and-vegetables-from-algeria
#20
Samira Mebdoua, Mohamed Lazali, Sidi Mohamed Ounane, Sihem Tellah, Fahima Nabi, Ghania Ounane
A total of 160 samples of 13 types of fresh fruits and vegetables from domestic production and import were analysed to detect the presence of pesticide residues. Analysis was performed by multi-residual extraction followed by gas chromatography-mass spectrometry. In 42.5% of the tested samples, no residues were found and 12.5% of samples contained pesticide residues above maximum residue limits. Risk assessment for long-term exposure was done for all pesticides detected in this study. Except chlorpyrifos and lambda-cyhalothrin, exposure to pesticides from vegetables and fruits was below 1% of the acceptable daily intake...
January 17, 2017: Food Additives & Contaminants. Part B, Surveillance
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