Results 31 to 40 of about 165,992 (261)

Comparison of two extraction methods for evaluation of volatile constituents patterns in commercial whiskeys: Elucidation of the main odour-active compounds [PDF]

open access: yes, 2007
An analytical procedure based on manual dynamic headspace solid-phase microextraction (HS-SPME) method and the conventional extraction method by liquid–liquid extraction (LLE), were compared for their effectiveness in the extraction and quantification of
Caldeira, M.   +4 more
core   +1 more source

Characterization of Cabernet Sauvignon Wines by Untargeted HS-SPME GC-QTOF-MS

open access: yesMolecules, 2022
Untargeted metabolomics approaches are emerging as powerful tools for the quality evaluation and authenticity of food and beverages and have been applied to wine science. However, most fail to report the method validation, quality assurance and/or quality control applied, as well as the assessment through the metabolomics-methodology pipeline ...
Alejandra Chávez-Márquez   +3 more
openaire   +3 more sources

Analysis of the volatile components of five Turkish Rhododendron species by headspace solid-phase microextraction and GC-MS (HS-SPME-GC-MS) [PDF]

open access: yes, 2003
Volatile constituents of various solvent extracts (n-hexane, CH2Cl2, H2O) of 15 different organs (leaves, flowers, fruits) of five Rhododendron species (Ericaceae) growing in Turkey were trapped with headspace solid-phase microextraction (HS-SPME ...
Baser, K. M. C.   +5 more
core   +1 more source

Analyzing Volatile Compounds of Young and Mature Docynia delavayi Fruit by HS-SPME-GC-MS and rOAV

open access: yesFoods, 2022
This study focused on the examination of the volatile compounds and fragrance properties of the young and mature fruit of Docynia delavayi. Headspace solid-phase microextraction combined with gas chromatography–mass spectrometry (HS-SPME-GC-MS) was ...
Yun-Jia Wang   +3 more
semanticscholar   +1 more source

Comparative chemical analysis of volatile compounds of Echinops ilicifolius using hydrodistillation and headspace solid-phase microextraction and the antibacterial activities of its essential oil [PDF]

open access: yesRoyal Society Open Science, 2018
The volatile compounds from various parts of Echinops ilicifolius (Compositae) such as flowers, leaves and roots obtained by hydrodistillation (HD) and headspace solid-phase microextraction (HS-SPME) methods were subsequently analysed by GC and GC/MS and
Razieh Mohebat, Mina Zare Bidoki
doaj   +1 more source

Antibacterial Activity of Thymus vulgaris L. Essential Oil Vapours and Their GC/MS Analysis Using Solid-Phase Microextraction and Syringe Headspace Sampling Techniques

open access: yesMolecules, 2021
While the inhalation of Thymus vulgaris L. essential oil (EO) is commonly approved for the treatment of mild respiratory infections, there is still a lack of data regarding the antimicrobial activity and chemical composition of its vapours.
Julien Antih   +3 more
doaj   +1 more source

Discrimination and Characterization of the Volatile Organic Compounds in Schizonepetae Spica from Six Regions of China Using HS-GC-IMS and HS-SPME-GC-MS

open access: yesMolecules, 2022
Volatile organic compounds (VOCs) are the main chemical components of Schizonepetae Spica (SS), which have positive effects on the quality evaluation of SS.
Chao Li   +10 more
doaj   +1 more source

A headspace solid-phase microextraction method of use in monitoring hexanal and pentane during storage: Application to liquid infant foods and powdered infant formulas [PDF]

open access: yes, 2006
The determination of two secondary lipid oxidation compounds (hexanal and pentane) in liquid infant foods using a headspace solid-phase microextraction gas chromatographic (HS-SPME-GC) method has been developed and validated.
Adams   +37 more
core   +1 more source

Distinguishing between Decaffeinated and Regular Coffee by HS-SPME-GC×GC-TOFMS, Chemometrics, and Machine Learning

open access: yesMolecules, 2022
Coffee, one of the most popular beverages in the world, attracts consumers by its rich aroma and the stimulating effect of caffeine. Increasing consumers prefer decaffeinated coffee to regular coffee due to health concerns.
Y. Zou   +4 more
semanticscholar   +1 more source

Solid-phase microextraction for headspace analysis of key volatile compounds in orange beverage emulsion [PDF]

open access: yes, 2007
Headspace solid-phase microextraction (HS-SPME) gas chromatography was used to analyze target flavor compounds in orange beverage emulsion. The effects of SPME fiber (PDMS 100 lm, CAR/PDMS 75 lm, PDMS/DVB 65 lm and DVB/CAR/PDMS 50/30 lm), adsorption ...
Mirhosseini, Seyed Hamed   +3 more
core   +1 more source

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