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Showing 1-30 of 97 results for "M47949" within Papers
Kunchit Judprasong et al.
Food chemistry, 238, 173-179 (2017-09-05)
This study determined nutrients, chemical contaminants, (insecticide residues and heavy metals), and natural toxic substances (nitrate, nitrite, cyanide, oxalate, phytate, and trypsin inhibitor) in tubers of Jerusalem artichokes-Kaentawan in the Thai language-grown in four major provinces in Thailand. They were
Fuchao Xu et al.
Journal of chromatography. A, 1401, 33-41 (2015-05-23)
A multi-residue analytical method was developed for the determination of a range of flame retardants (FRs), including polybrominated diphenyl ethers (PBDEs), emerging halogenated FRs (EFRs) and organophosphate FRs (PFRs), in food matrices. An ultrasonication and vacuum assisted extraction (UVAE), followed
Angelo Maria Giuffrè et al.
Journal of oleo science, 66(11), 1193-1205 (2017-11-03)
Two important problems for the food industry are oil oxidation and oil waste after frying. Sunflower seed oil is one of the vegetable oils most commonly used in the food industry. Two variables were applied to the low oleic sunflower
Danyu Shen et al.
Journal of food science and technology, 58(4), 1358-1367 (2021-03-23)
Little is known about the phytochemical composition of iron walnuts. Differences in the geographical origin of iron walnuts associated with economic benefits should also be examined. In this study, the phytochemical composition (fatty acids, Vitamin E, total polyphenols and flavonoids
Jerrine Clare Pereira et al.
Journal of oleo science, 69(8), 837-849 (2020-08-08)
Aim of this study was to evaluate the effect of star fruit (Averrhoa carambola L.) by-products (peel and residue) on stability of sesame (Sesamum indicum) oil against oxidation. Antioxidant properties of extract of peel and residue at different time durations
Christoph Gallistl et al.
The Science of the total environment, 595, 303-314 (2017-04-07)
Dishcloths are routinely used in the clean-up process following daily kitchen activities and are thus subject to contamination commensurate with their frequent use. Here we analyzed dishcloths for the occurrence of polyhalogenated compounds after 14days of use in household kitchens.
Thomas J McGrath et al.
Journal of chromatography. A, 1631, 461574-461574 (2020-09-29)
This study evaluates the performance of a simplified screening method for short- and medium-chain chlorinated paraffins (SCCPs and MCCPs, respectively) based on gas chromatography-electron capture negative ionization/mass spectrometry (GC-ECNI/MS) analysis and chlorine content quantification. The response from different combinations of
A Bouagga et al.
Food additives & contaminants. Part B, Surveillance, 12(2), 135-144 (2019-02-16)
Sixty-four table grape samples from different regions of Tunisia were collected during three consecutive years (2015-2017). The presence of 96 pesticides, including dithiocarbamates, was assessed. Pesticides identification and quantification were performed by liquid or gas chromatography, coupled to tandem mass
Hongbo Zhao et al.
Foods (Basel, Switzerland), 9(5) (2020-05-28)
The increasing public awareness of health and sustainability has prompted the development of functional foods rich in health-promoting ingredients. Processing technologies and sustainable multifunctional ingredients are needed for structuring these formulations. Spruce galactoglucomannan (GGM), the main hemicelluloses in softwood cell
Erika Bruni et al.
International journal of environmental research and public health, 17(1) (2020-01-08)
Wastewater carries different pathogenic and non-pathogenic microorganisms that can be dispersed in the surrounding environment. Workers who frequent sewage treatment plants can therefore be exposed to aerosols that contain a high concentration of potentially dangerous biological agents, or they can
Jacopo La Nasa et al.
Analytica chimica acta, 1001, 51-58 (2018-01-03)
In this paper we present a new analytical GC/MS method for the analysis of mixtures of free fatty acids and metal soaps in paint samples. This approach is based on the use of two different silylating agents: N,O-bis(trimethylsilyl)trifluoroacetamide (BSTFA) and
A Deblais et al.
Nature communications, 7, 12458-12458 (2016-08-11)
Coating surfaces with different fluids is prone to instability producing inhomogeneous films and patterns. The contact line between the coating fluid and the surface to be coated is host to different instabilities, limiting the use of a variety of coating
Klaus Abraham et al.
Molecular nutrition & food research, 65(4), e2000735-e2000735 (2020-10-21)
2- and 3-monochloropropanediol (2/3-MCPD) and glycidol are absorbed in the intestine after lipase-catalyzed hydrolysis of their fatty acid esters. In an exposure study with 12 non-smoking participants, the complete urinary excretion of the metabolite 2,3-dihydroxypropylmercapturic acid (DHPMA) and of 2/3-MCPD
Alessandro Bellè et al.
ChemSusChem, 12(14), 3343-3354 (2019-04-17)
At 60-150 °C and 15-35 bar H2 , two model reactions of levulinic acid (LA), hydrogenation and reductive amination with cyclohexylamine, were explored in a multiphase system composed of an aqueous solution of reactants, a hydrocarbon, and commercial 5 % Ru/C as a
Jannik Sprengel et al.
Environment international, 128, 438-445 (2019-05-15)
Chlorinated paraffins (CPs) are a group of man-made pollutants of growing environmental concern. Short-chain chlorinated paraffins (SCCPs) were recently classified as persistent organic pollutants (POPs), while medium-chain chlorinated paraffins (MCCPs) are still unregulated. Foodstuff is a major pathway for the
Matthias Onghena et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 31(12), 2090-2102 (2014-11-20)
In 2011, the European Union prohibited the production of polycarbonate (PC) baby bottles due to the toxic effects of the PC monomer bisphenol-A. Therefore, baby bottles made of alternative materials, e.g. polypropylene (PP) or polyethersulphone (PES), are currently marketed. The
Gerhard Liebisch et al.
Journal of lipid research, 56(6), 1234-1239 (2015-04-03)
In general, mass spectrometric quantification of small molecules in routine laboratory testing utilizes liquid chromatography coupled to low mass resolution triple-quadrupole mass spectrometers (QQQs). Here we introduce high-resolution tandem mass spectrometry (quadrupole-Orbitrap) for the quantification of 25-hydroxy-vitamin D [25(OH)D], a
Andreas F Lehner et al.
Toxicology mechanisms and methods, 30(4), 284-296 (2020-01-30)
Persistent organic pollutants (POPs) are organic compounds of anthropogenic origin that resist atmospheric and microbial degradation and thus persist in the environment and in food chains for exceptionally long periods of time. Veterinarians and wildlife researchers need simple methodologies for
Federico L Sinche et al.
Environmental toxicology and chemistry, 38(6), 1188-1197 (2019-02-23)
The Tenax technique was used as an alternative exposure metric to assess the bioavailability of polychlorinated biphenyls (PCBs) from contaminated marine sediments. The sediments used were collected from 2 Superfund sites, New Bedford Harbor (MA, USA) and Gould Island (RI
Magda Aniołowska et al.
Journal of food science and technology, 53(1), 712-720 (2016-01-21)
The pan fryings of frozen pre-fried French fries in refined rapeseed oil (RO) and professional blend (PB) were of 8 h duration. Initially, while fresh, and after every 1 h of frying, the oils were analyzed for acid and anisidine values, colour
Sara Romanelli et al.
Talanta, 170, 540-545 (2017-05-16)
A sample preparation method was evaluated for the determination of polybrominated diphenyl ethers (PBDEs) in mussel samples, by using colorimetric and electrochemical immunoassay-based screening methods. Herein, a rapid procedure based on QuEChERS-like extraction approach followed by solid phase purification was
Isabel Natalia Sierra-Garcia et al.
Extremophiles : life under extreme conditions, 21(1), 211-229 (2016-12-05)
Microorganisms have shown their ability to colonize extreme environments including deep subsurface petroleum reservoirs. Physicochemical parameters may vary greatly among petroleum reservoirs worldwide and so do the microbial communities inhabiting these different environments. The present work aimed at the characterization
Silke Matysik et al.
Steroids, 99(Pt B), 151-154 (2015-02-07)
A fast and sensitive GC-MS/MS method is proposed to determine pregnenolone, dehydroepiandrosterone (DHEA), testosterone and dihydrotestosterone from human plasma. Steroids were extracted by liquid/liquid extraction, and derivatized with N-methyl-N-trimethylsilyl-trifluoracetamide. Electron ionization at 30eV was applied to generate high abundant precursor
Alexandre Démolis et al.
ChemSusChem, 10(12), 2612-2617 (2017-05-04)
This article reports a detailed study on the reactivity of levulinic acid and cellulose with 1-butene and iso-butene for the catalytic formation of sec- and tert-butyl levulinates. The influence of catalyst type and various solvent conditions have been investigated to
Naser Mohammadpour Dounighi et al.
Current pharmaceutical design, 23(18), 2665-2672 (2017-01-13)
There is no doubt about the whole cell pertussis vaccine efficacy, but it is necessary to improve the vaccine quality specially to decrease its toxicity by obtaining good immunogenicity with low bacterial content. In this work, under optimum condition inactivated
Lucio Previtera et al.
Journal of the science of food and agriculture, 96(6), 1953-1958 (2015-06-23)
Epidemiological studies have proved that tomato consumption is associated with a lower risk of developing several diseases (for example, certain types of cancers, cardiovascular diseases, macular degeneration, age-related eye disease). Many micronutrients and bioactive compounds are mainly present in peel
Dániel Koren et al.
Journal of food science and technology, 54(5), 1158-1167 (2017-04-19)
In this study 40 Hungarian retail beers were evaluated for folic acid content, antioxidant profile and physicochemical parameters. The physicochemical parameters, folic acid content and antioxidant activity of alcohol-free beers were the lowest. Folic acid content of beers aged with
Stella Corsetti et al.
The journal of physical chemistry. A, 119(51), 12797-12804 (2015-12-04)
Using blends of bioethanol and gasoline as automotive fuel leads to a net decrease in the production of harmful emission compared to the use of pure fossil fuel. However, fuel droplet evaporation dynamics change depending on the mixing ratio. Here
Christina Christia et al.
Environmental research, 171, 204-212 (2019-01-22)
Plasticizers are a category of chemicals extensively used in consumer products and, consequently, their presence is ubiquitous in the indoor environment. In the present study, an analytical method has been developed for the quantification of plasticizers (7 legacy phthalate esters
Fariba Shafiei-Koij et al.
Physiology and molecular biology of plants : an international journal of functional plant biology, 26(3), 419-432 (2020-03-25)
The diversity of 11 fatty acid desaturase (fad2) genes has not been investigated between cultivated and wild species in the Carthamus genus. In this study, 17 C. tinctorius accessions and 28 accessions from other Carthamus species were subjected to sequence analyses
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