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Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment

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https://www.readbyqxmd.com/read/28447541/sensor-array-for-detection-of-organic-and-inorganic-contaminants-in-post-consumer-recycled-plastics-for-food-contact
#1
Nathan Davis, Jeffery Danes, Keith Vorst
Post-consumer recycled (PCR) plastic material is made by collecting used plastic products (e.g., bottles and other plastic packaging materials) and re-processing them into solid-state pellets or flakes. Plastic recycling has positive environmental benefits, but may also carry potential drawbacks due to unwanted organic and inorganic contaminants. These contaminants can migrate into food packaging made from these recycled plastic materials. The purpose of this research was to identify economically viable real-time monitoring technologies that can be used during conversion of virgin and recycled resin feedstocks (i...
April 27, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28434378/study-of-performance-properties-lactic-acid-specific-migration-and-swelling-by-simulant-of-biodegradable-poly-lactic-acid-nanoclay-multilayer-films-for-food-packaging
#2
Paola Scarfato, Luciano Di Maio, Maria Rosaria Milana, Silvia Giamberardini, Massimo Denaro, Loredana Incarnato
The aim of the study was the development of a multi-functional, high-performance, fully biodegradable multi-layer polylactic acid (PLA) film for food packaging applications. In particular, sealable multi-layer PLA/clay nanocomposite systems with different layouts in terms of composition and relative thickness of the layers, all consisting of a PLA/clay nanocomposite layer between two pure PLA layers for direct food contact, were designed and produced by blown film co-extrusion. The films which were obtained were analysed for their morphology, functional properties and lactic acid specific migration in 50% ethanol...
April 24, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28425836/development-and-validation-of-a-multi-analyte-method-for-the-regulatory-control-of-carotenoids-used-as-feed-additives-in-fish-and-poultry-feed
#3
Ursula Vincent, Federica Serano, Christoph von Holst
Carotenoids are used in animal nutrition mainly as sensory additives that favourably affect the colour of fish, birds and food of animal origin. Various analytical methods exist for their quantification in compound feed, reflecting the different physico-chemical characteristics of the carotenoid and the corresponding feed additives. They may be natural products or specific formulations containing the target carotenoids produced by chemical synthesis. In this study a multi-analyte method was developed that can be applied to the determination of all 10 carotenoids currently authorised within the European Union for compound feedingstuffs...
April 24, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28374638/options-for-reducing-food-waste-by-quality-controlled-logistics-using-intelligent-packaging-along-the-supply-chain
#4
Jenneke K Heising, G D H Claassen, Matthijs Dekker
Optimising supply chain management can help to reduce food waste. This paper describes how intelligent packaging can be used to reduce food waste when used in supply chain management based on quality-controlled logistics (QCL). Intelligent packaging senses compounds in the package that correlate with the critical quality attribute of a food product. The information on the quality of each individual packaged food item that is provided by the intelligent packaging can be used for QCL. In a conceptual approach it is explained that monitoring food quality by intelligent packaging sensors makes it possible to obtain information about the variation in the quality of foods and to use a dynamic expiration date (IP-DED) on a food package...
April 24, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28430022/safety-by-design-of-printed-multilayer-materials-intended-for-food-packaging
#5
Celia Domeño, Margarita Aznar, Cristina Nerín, Francesca Isella, Mauro Fedeli, Osvaldo Bosetti
Printing inks are commonly used in multilayer plastics materials used for food packaging and compounds present in inks can migrate to the food either by diffusion through the multilayers or because of set-off phenomena. To avoid this problem the right design of the packaging is crucial. In this work, the safety by design of multilayer materials has been studied. First, the migration from 4 different multilayers manufactured using polyethylene terephthalate (PET), aluminium (Al) and polyethylene (PE) was determined...
April 21, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28429650/development-of-real-time-pcr-tests-for-the-detection-of-tenebrio-molitor-in-food-and-feed
#6
Frédéric Debode, Aline Marien, Amaury Gerard, Frédéric Francis, Olivier Fumiere, Gilbert Berben
Insects are rich in proteins and could be an alternative source of proteins to feed animals and humans. Numerous companies have started the production of insects for feed purposes. In Europe, these processed animal proteins are not yet authorized by legislation, as many questions still need to be answered concerning this "novel food". Authorizations will be possible when methods of authentication of the products are available. In this study we propose real-time PCR methods for the specific detection of the mealworm (Tenebrio molitor), one of the most widely used insects for food and feed production...
April 21, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28429634/migration-of-oligomers-from-pet-determination-of-diffusion-coefficients-and-comparison-of-experimental-versus-modelled-migration
#7
Maria Hoppe, Roberta Fornari, Pim de Voogt, Roland Franz
Polyethylene terephthalate is increasingly used as food contact material for example in containers for beverage such as bottles for soft drinks, mineral water, juices and beer. Mass transport of substances present in packaging materials into the packed food and beverages is monitored to verify the food law compliance of the materials. PET is known to contain or give rise to migrants that are oligomers derived from the polymeric material. Until now their actual migration potential has been investigated only poorly...
April 21, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28421870/collaborative-study-on-the-effect-of-grinding-on-the-detection-of-bones-from-processed-animal-proteins-in-feed-by-light-microscopy
#8
Pascal Veys, Viviane Planchon, Ruairi Colbert, Clara Cruz, Geneviève Frick, Ioannis Ioannou, Daniela Marchis, Erik Nordkvist, Inge Paradies-Severin, Arja Pohto, Roland Weiss, Vincent Baeten, Gilbert Berben
Bone fragments are essential structures for the detection of processed animal proteins (PAPs) in feed by light microscopy for official controls according to Annex VI of European Union Regulation EC/152/2009. The preparation of samples submitted for analysis requires a grinding step to make them suitable for microscopic slide preparation and observation. However, there are no technical guidelines set down for this step despite the fact that it can lead to an increase in bone numbers due to fragmentation. This was demonstrated by an in-house study carried out by the Irish National Reference Laboratory (NRL) for animal protein detection...
April 19, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28332449/estimated-daily-intake-and-safety-of-fd-c-food-colour-additives-in-the-us-population
#9
Maria Bastaki, Thomas Farrell, Sachin Bhusari, Xiaoyu Bi, Carolyn Scrafford
A refined exposure assessment was undertaken to calculate the estimated daily intake (EDI) of the seven FD&C straight-colour additives and five FD&C colour lakes ('synthetic' food colours) approved in the United States. The EDIs were calculated for the US population as a whole and specific age groups, including children aged 2-5 and 6-12 years, adolescents aged 13-18 years, and adults aged 19 or more y. Actual use data were collected from an industry survey of companies that are users of these colour additives in a variety of products, with additional input from food colour manufacturers...
April 19, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28406359/enantioselective-analysis-of-chloramphenicol-residues-in-honey-samples-by-chiral-lc-msms-and-results-of-a-honey-survey
#10
Gerhard G Rimkus, Dirk Hoffmann
Chloramphenicol (CAP) is a broad-spectrum antibiotic used widely both in human and in veterinary medication. Since 1994 CAP is not authorised anymore for use in food-producing animals in the EU due to several adverse effects. A minimum required performance level (MRPL) 0.3 µg kg(-1) was established in 2003. CAP molecule contains two asymmetric centres thus in total four para-CAP stereoisomers exist. Only the RR-CAP enantiomer is bioactive having significant antimicrobial activity. For the first time a chiral LC/MSMS method is reported to identify and quantify the four CAP enantiomers at residue levels in honey samples...
April 13, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28406073/rapid-multi-residue-determination-of-pesticides-in-livestock-muscle-and-liver-tissue-via-modified-quechers-sample-preparation-and-lc-ms-ms
#11
K Hamamoto, K Iwatsuki, R Akama, R Koike
Many multi-residue methods for the determination of pesticides in vegetables and fruits have been reported to date. However, few such methods have been employed to investigate pesticide residues in animal tissue. In this study, an LC/MS/MS multi-residue method coupled with modified QuEChERS extraction was developed and validated for the investigation of eight pesticide residues [prallethrin, resmethrin (RMT), imidacloprid, diflubenzuron, cyromazine (CYR), etofenprox, dinotefuran (DNT), and phthalthrin]. This method involves initial extraction in a water/acetone system, the addition of salts and a subsequent extraction/partitioning step, and finally, a clean-up step utilising dispersive SPE...
April 13, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28406050/investigation-of-pyrrolizidine-alkaloids-including-their-respective-n-oxides-in-selected-food-products-available-in-hong-kong-by-liquid-chromatography-electrospray-ionization-mass-spectrometry
#12
Stephen W C Chung, Aaron C H Lam
The aim of this study was to determine the levels of pyrrolizidine alkaloids (Shimshoni, Mulder et al.), including their respective N-oxides, in foodstuffs available in Hong Kong, by liquid chromatography-electrospray ionization tandem mass spectrometry. A total of 234 samples (48 food items) were collected randomly from local market and analyzed. About 50% of samples were found to contain detectable amount of PAs. Amongst the 48 food items, PAs were not detected in 11 food items, including barley flour, beef, cattle liver, pork, pig liver, chicken meat, chicken liver, milk, non-fermented tea, Melissa tea and linden tea...
April 13, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28402200/elimination-of-dioxins-in-milk-by-dairy-cows-after-the-long-term-intake-of-contaminated-sugar-beet-pellets
#13
Jadwiga Piskorska-Pliszczynska, Sebastian Maszewski, Szczepan Mikolajczyk, Marek Pajurek, Pawel Strucinski, Marek Olszowy
Dried feed materials, such as sugar beet pellets, may be a source of high levels of PCDD/Fs. The studies followed up dioxin congener elimination from contaminated milk (5.02 ± 1.39 pg WHO PCDD/F-PCBs-TEQ g(-1) fat) up to 338 days after withdrawal of polluted feed ingredient (4.37 ± 0.25 ng PCDD/F/DL-PCBs-TEQ kg(-1) feed). The main objectives of the study were to estimate the length of the time needed to achieve an acceptable PCDD/F milk level as set by European Union law, to track the fate of the PCDD/F congeners, and to assess the potential risk for consumers associated with long-term consumption of contaminated milk...
April 12, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28402181/chemical-composition-of-rosehips-from-different-rosa-species-an-alternative-source-of-antioxidants-for-food-industry
#14
Sandra Jiménez, Nerea Jiménez-Moreno, Asunción Luquin, Mariano Laguna, María Jesús Rodríguez-Yoldi, Carmen Ancín-Azpilicueta
It is important to explore new sources of natural additives because the demand for these compounds by consumers is increasing. These products also provide health benefits and help in food preservation. An unexplored source of nutrients and antioxidant compounds is rosehip, the fleshy fruit of roses. This work compares antioxidant compounds (vitamin C, neutral phenols and acidic phenols) content of four Rosa species rosehips: R. pouzinii, R. corymbifera, R. glauca and R. canina coming from different geographical zones...
April 12, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28402180/analytical-determination-of-bisphenol-a-bpa-and-bisphenol-analogues-in-paper-products-by-gc-ms-ms
#15
A Jurek, E Leitner
Bisphenol A (BPA; 4-[2-(4-Hydroxyphenyl)propan-2-yl]phenol), a suspected endocrine disruptor with a weak estrogenic activity is used in a variety of consumer products, including food contact materials made of paper and cardboard products. Due to restrictions for the use of BPA because of its potential health risks, BPA is gradually being replaced by other bisphenols, as no limitations exist for these substances. The present study presents a method for the simultaneous analysis of bisphenol A (BPA), bisphenol AF (BPAF), bisphenol B (BPB), bisphenol E (BPE), bisphenol F (BPF) and bisphenol S (BPS) in paper and board products, using gas chromatography-tandem mass spectrometry (GC-MS/MS)...
April 12, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28401806/quantification-of-mycotoxins-in-vegetable-oil-by-uplc-ms-ms-after-magnetic-solid-phase-extraction
#16
Yan Zhao, Li-Hong Wan, Xiao-Lin Bai, Yi-Ming Liu, Feng-Ping Zhang, Yao-Min Liu, Xun Liao
Detection of mycotoxin contamination in foodstuffs is highly significant for public health. Herein we report an analytical method based on magnetic solid phase extraction (MSPE) and UPLC-MS/MS for simultaneous determination of mycotoxins, including fumonisins B1 (FB1), zearalenone (ZON) and ochratoxin A (OTA) in vegetable oil. Magnetic nanoparticles coated with double layers of silicon dioxide were synthesized and found to be an effective MSPE adsorbent for mycotoxins. The proposed MSPE procedure serves not only for sample cleanup, but also for mycotoxin enrichment that enhances greatly the assay sensitivity...
April 12, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28399711/effects-of-microwaves-on-the-reduction-of-aspergillus-flavus-and-aspergillus-parasiticus-on-brown-rice-oryza-sativa-l-and-barley-hordeum-vulgare-l
#17
Seung-Hun Lee, Shin Young Park, Kye-Hwan Byun, Hyang Sook Chun, Sang-Do Ha
Aspergillus flavus and Aspergillus parasiticus are primary pathogen molds on brown rice and barley. This study investigated the effects of microwave irradiation (MWI) (2,450 MHz, 700 W, 10-50 sec) on inactivation of A. flavus and A. parasiticus (7-8 log) on brown rice and barley and the quality of these samples. The counts of both strains were significantly (p < 0.05) reduced by the stepwise increase in MWI treatment time. The log reductions of A. flavus on brown rice and barley were 0.05 and 0.04 after 10 sec; 1...
April 12, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28399706/sampling-design-by-core-food-approach-for-taiwan-total-diet-study-on-veterinary-drugs
#18
Chien-Chih Chen, Ching-Lun Tsai, Chia-Chin Chang, Shih-Pei Ni, Yi-Tzu Chen, Chow-Feng Chiang
The Core Food (CF) approach, first adopted in the USA in the 1980s, has been widely used by many countries for assessing the exposure to dietary hazards at a population level. However, the reliability of exposure estimates (C×CR) depends critically on sampling methods designed for the detected chemical concentrations (C) of each CF to match with the corresponding consumption rate (CR) estimated from the surveyed intake data. In order to reduce the uncertainty of food matching, this study presents a sampling design scheme, namely the Sub-Sample method for 2016 Taiwan total diet study on veterinary drugs...
April 12, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28397545/nutritional-evaluation-of-former-food-products-ex-food-intended-for-pig-nutrition
#19
C Giromini, M Ottoboni, M Tretola, D Marchis, D Gottardo, V Caprarulo, A Baldi, L Pinotti
Ex-food or former food products (FFPs) have been proposed as one of the categories with great promise as alternative feed ingredients. FFPs' nutritional potential is not yet fully exploited. Therefore, the aim of this study was to perform a nutritional evaluation of selected FFPs. In particular, six samples of mixed FFPs, all based on bakery products, were analysed for moisture, crude protein, ether extract, crude fibre, neutral detergent fibre, acid detergent fibre, starch and ash. Nitrogen-free extractives and non-structural carbohydrate were also determined...
April 11, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28395647/validation-of-an-hplc-dad-uv-method-for-the-quantification-of-cyclamate-in-tabletop-sweeteners-risk-of-exceeding-the-acceptable-daily-intake
#20
B Sargaço, C Serra, E Vasco
Cyclamate is widely used as intense sweetener in the European Union. The absence of a maximum limit for the use of cyclamate in tabletop sweeteners and the growing demand for this type of product highlights the importance of developing robust analytical methods for the determination of its content to understand if the consumption of tabletop sweeteners can have a negative impact on human health. The present work aimed at the optimisation and validation of an high-performance liquid chromatography (HPLC) analytical method for cyclamate determination in tabletop sweeteners based on the procedure of European Standard EN 12857...
April 11, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
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