HS-SPME-GC/MS
Comprehensive sensory and chemical data on the flavor of 16 red wines from two varieties: sensory descriptive analysis, HS-SPME-GC-MS volatile compounds quantitative analysis, and odor-active compounds identification by HS-SPME-GC-MS-O
... Wine a b s t r a c t This paper describes data collected on 2 sets of 8 French red wines from two grape varieties: Pinot Noir (PN) and Cabernet Franc (CF). It provides, for the 16 wines, (i) sensory descriptive data ...
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Development of a headspace solid-phase microextraction method coupled to gas chromatography (HS-SPME GC-MS) to capture and analyze the volatile organic compounds emitted by barley roots (Hordeum vulgare cv. Quench)
... Development of a headspace solid-phase microextraction method coupled to gas chromatography (HS-SPME GC-MS) to capture and analyze the volatile organic compounds emitted by barley roots ...
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Validation of a sub-room temperature ID-SPME-GC-MS method for the analysis of furan in food
... The HS-SPME parameters were optimised by experimental design and the major finding resulted in a sub-room optimal extraction temperature ...the HS-SPME for hot drink, juices, sauces and baby ...
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Validated ready-to-use GC-MS/MS method for dioxin analysis in food and feed following the new EU Regulations
... and DL-PCBs Limit of quantitation and instrumental limit of quantitation The document doesn’t state exactly how to calculate the instrumental limit of quantitation (iLOQ) and ‘matrix’ limit of quantitation (LOQ) that ...
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PTV-LV Injection Coupled to Capillary GC Ion Trap MS/MS as Alternative Method for PCDD/Fs Analysis in Foods.
... Limits of quantification of PTVLV-GC-MS/MS technique for PCDD/Fs in different food matrices, using at once the same sample size and the same sample preparation as for GC/HRMS injections[r] ...
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Development of a gc×gc-tof/ms based method to study the fate of 206 dioxin-like micropollutants in meat during cooking
... due to technological processes applied to the food matrix before ingestion. Therefore, worldwide food safety agencies encourage residue chemists to investigate their fate during processes like cooking in order to upgrade ...
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Caractérisation chimiques des écorces d'oranges, identification par GC-MS et évaluation du pouvoir antioxydant de leurs huiles essentielles
... Mots-clés : Écorce, Orange, Screening phytochimique, Huiles essentielles, Activité antioxydante, GCMS. Abstract In this study we are interested in the recovery of some orange peel varieties from the region of Bejaia ...
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Compost pile monitoring with GC-MS, e-nose and olfactometry : comparison of different approaches
... A portable e-nose developed by the Environmental Monitoring Research Team was located in different places to monitor the odorous emissions from the piles. The sensor chamber consisted of humidity and temperature sensors ...
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Influence of step duration in fractionated Py-GC/MS of lignocellulosic biomass
... Temperature of ion source and quadrupole were set at 230 °C and 150 °C respectively. Four profiles of temperature/time steps were considered ( Table 2 ). Temperatures were chosen to cover the typical degradation range of ...
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Influence of step duration in fractionated Py-GC/MS of lignocellulosic biomass
... Temperature of ion source and quadrupole were set at 230 °C and 150 °C respectively. Four profiles of temperature/time steps were considered ( Table 2 ). Temperatures were chosen to cover the typical degradation range of ...
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Development of a quantification method for up to 50 pesticides in honey and beeswax by LC-MS/MS and GC-MS detection
... Unfortunately, a common extraction solvents mixture and elution solvent is not yet optimized. The optimization of recoveries leads to water-acetone-NaCl 20% in the extraction solvent for LC-MS/MS group of ...
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Development of a GC×GC-TOF/MS-based method to investigate the fate of 206 dioxin-related micro-pollutants during food cooking
... Food-producing animals are exposed to various dioxin-related compounds like polychlorodibenzo-p-dioxins (PCDDs), polychlorodibenzofurans (PCDFs) and Polychlorobiphenyls (PCBs). Due to their lipophilic nature, these ...
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Pyrolysis-GC–MS to assess the fungal pretreatment efficiency for wheat straw anaerobic digestion
... A good estimation of the main components of lignocellulose can be obtained from certain quantitative methods; however different methods tend to produce different results. This is partly due to the difficulty in isolating ...
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Determination of total cyanide in soil by isotope dilution GC/MS following pentafluorobenzyl derivatization
... 2.4. GC-MS analysis An Agilent 5973 GC/MS system equipped with a CombiPAL autosampler (CTC Analytics, Switzerland) was used for all ...The GC was fitted with a (50%-cyanopropylphenyl)- ...
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Headspace in-tube microextraction and GC-ICP-MS determination of mercury species in petroleum hydrocarbons
... Stock solutions of bitumen spiked with varying concentrations of primary InHg and MeHg standards were mechanically shaken for 60 min, and then enriched Me 198 Hg and In 201 Hg internal standards were added. Samples were ...
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TD-GC×GC-LRTOFMS/FID and TD-GC×GC-HRTOFMS for the Analysis of Tobacco Heating Products
... TD-GC×GC-LRTOFMS/FID and TD-GC×GC-HRTOFMS for the Analysis of Tobacco Heating Products B. Savareear a* , J.Escobar-Arnanz a , M. Brokl b , C.G. Wright b , C. Liu b and J.-F. Focant a a Centre ...
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Integrated Analysis by GC(RI), GC-MS and 13C NMR of Fortunella japonica Leaf Volatiles Obtained by Hydrodistillation, Microwave- assisted Hydrodistillation and Hydrolate Extraction
... al. GC-MS analysis: The EO, ME and HE were analysed with a Perkin-Elmer TurboMass detector (quadrupole), directly coupled to a Perkin-Elmer Autosystem, equipped with two fused silica capillary columns (50 m ...
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SPME in environmental analysis: biotransformation pathways
... that SPME–GC–ECD and SPME–HPLC can be used both as a purification technique for sediment extracts and as an extrac- tion technique for water samples prior to ...applied SPME–GC–ECD and ...
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SOLID STATE MODULATED GC×GC
... The first dual-stage thermal modulator for GC×GC was invented by Liu and Philips in 1991 [1]. Air at ambient temperature was used for trapping, and releasing was done by resistive heating of the modulation ...
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DETERMINATION OF TRACE LEVEL DECHLORANE FLAME RETARDANTS IN FOOD AND FEED BY A NEW APPROACH BASED ON LOW RESOLUTION GC-MS/MS
... resolution GC-MS/MS to quantify Dechlorane 602, 603, 604, DP, CP, and Mirex in feed/food samples collected during continuous EU dioxins monitoring ...
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