Characterization of natural vanilla flavour in foodstuff by HS‐SPME and GC‐C‐IRMS
Sign Up to like & getrecommendations! Published in 2017 at "Flavour and Fragrance Journal"
DOI: 10.1002/ffj.3364
Abstract: Vanillin can be obtained by extraction from the pods of Vanilla (organic vanillin), by synthetic pathways using different precursors (mainly lignin and guaiacol), and by enzymatic bioconversion (biovanillin) from natural precursors, (mainly ferulic acid, eugenol… read more here.
Keywords: characterization natural; natural vanilla; vanillin; vanilla flavour ... See more keywords
Modeling solid-phase microextraction of volatile organic compounds by porous coatings using finite element analysis.
Sign Up to like & getrecommendations! Published in 2019 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2019.05.042
Abstract: Experimental optimization of analytical methods based on solid-phase microextraction (SPME) is a complex and labor-intensive process associated with uncertainties. Using the theoretical basics of SPME and finite element analysis software for the optimization proved to… read more here.
Keywords: model; element analysis; spme; finite element ... See more keywords
Analysis of endocannabinoids in plasma samples by biocompatible solid-phase microextraction devices coupled to mass spectrometry.
Sign Up to like & getrecommendations! Published in 2019 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2019.09.002
Abstract: Anandamide (AEA) and 2-arachidonoyl glycerol (2-AG) represent two of the most important endocannabinoids (ECs) investigated in neurobiology as therapeutic targets for several mental disorders. However, the determination of these ECs in biological matrices remains a… read more here.
Keywords: bio spme; analysis; spme; plasma samples ... See more keywords
Comparative analysis of the aroma chemicals of Melissa officinalis using hydrodistillation and HS-SPME techniques
Sign Up to like & getrecommendations! Published in 2017 at "Arabian Journal of Chemistry"
DOI: 10.1016/j.arabjc.2013.09.015
Abstract: Abstract Headspace solid-phase micro extraction (HS-SPME) coupled with gas chromatography–mass spectrometry (GC–MS) has been used for the chemical analysis of Melissa officinalis (leaves) cultivated in Institute Germplasm. The HS-SPME analysis led to the identification of… read more here.
Keywords: comparative analysis; analysis; spme; hydrodistillation ... See more keywords
Development and optimization of a HS-SPME-GC-MS methodology to quantify volatile carbonyl compounds in Port wines.
Sign Up to like & getrecommendations! Published in 2019 at "Food chemistry"
DOI: 10.1016/j.foodchem.2018.07.093
Abstract: A method based on headspace solid-phase microextraction (HS-SPME) coupled to gas chromatography-triple quadrupole/mass spectrometry detection (GC-TQ/MS) with a prior derivatization step with O-(2,3,4,5,6-pentafluorobenzyl)hydroxylamine hydrochloride (PFBHA) was developed to quantify carbonyl compounds in different categories of… read more here.
Keywords: methodology; carbonyl compounds; spme; development optimization ... See more keywords
Chemotyping the medicinal herb Egletes viscosa through SPME-GC‑MS
Sign Up to like & getrecommendations! Published in 2021 at "Microchemical Journal"
DOI: 10.1016/j.microc.2021.106434
Abstract: Abstract A solid-phase microextraction coupled with gas chromatography and mass spectrometry (SPME-GC-MS) method was developed to discriminate the two chemotypes of the medicinal herb Egletes viscosa. The optimization of the extraction conditions was carried out… read more here.
Keywords: method; herb egletes; medicinal herb; spme ... See more keywords
Quantification of 19 Aldehydes in Human Serum by Headspace SPME/GC/High-Resolution Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2018 at "Environmental science & technology"
DOI: 10.1021/acs.est.8b02745
Abstract: Sources of human aldehyde exposure include food additives, combustion of organic matter (tobacco smoke), water disinfection byproducts via ozonation, and endogenous processes. Aldehydes are potentially carcinogenic and mutagenic, and chronic human aldehyde exposure has raised… read more here.
Keywords: high resolution; mass spectrometry; exposure; spme ... See more keywords
Analysis of Hop-Derived Thiols in Beer Using On-Fiber Derivatization in Combination with HS-SPME and GC-MS/MS.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.0c06305
Abstract: The quantitation of the hop varietal thiols 4-mercapto-4-methyl-2-pentanone (4MMP), 3-mercapto-1-hexanol (3MH), and 3-mercaptohexylacetate (3MHA) from beer is challenging. This primarily relates to their low concentration (ng/L levels) and their reactivity. Published assays for thiol quantitation… read more here.
Keywords: fiber derivatization; analysis; hop; spme ... See more keywords
Development of a Fully Automated Method HS-SPME-GC-MS/MS for the Determination of Odor-Active Carbonyls in Wines: a "Green" Approach to Improve Robustness and Productivity in the Oenological Analytical Chemistry.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.2c07083
Abstract: The aim of this study was the optimization and validation of a green, robust, and comprehensive method for the determination of volatile carbonyl compounds (VCCs) in wines that could be added as a new quality… read more here.
Keywords: chemistry; spme; chemistry development; determination ... See more keywords
Analysis of Echinacea flower volatile constituents by HS-SPME-GC/MS using laboratory-prepared and commercial SPME fibers
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Essential Oil Research"
DOI: 10.1080/10412905.2018.1545707
Abstract: ABSTRACT HS-SPME-GC/MS has been widely used in herbs and spices for essential oil analysis. This paper reports on the utility of HS-SPME method for profiling of volatile compounds from Echinacea flower using commercial and laboratory-prepared… read more here.
Keywords: method; echinacea flower; spme fibers; spme ... See more keywords
Solid-Phase Microextraction for Organic Contamination Control Throughout Assembly and Operational Phases of Space Missions.
Sign Up to like & getrecommendations! Published in 2022 at "Astrobiology"
DOI: 10.1089/ast.2021.0030
Abstract: Space missions concerned with life detection contain highly sensitive instruments for the detection of organics. Terrestrial contamination can interfere with signals of indigenous organics in samples and has the potential to cause false-positive biosignature detections,… read more here.
Keywords: contamination; spme; phase microextraction; solid phase ... See more keywords