Results 11 to 20 of about 50,739 (222)

Changes in SPME-extracted volatile compounds from Iberian ham during ripening

open access: yesGrasas y Aceites, 2009
A headspace SPME procedure was tested to study the evolution of volatile compounds during the ripening of Iberian hams from pigs reared in a Montanera system (outdoorbased, with acorn and pasture available) and a HO-Pienso system (indoor-based, with a ...
Ángela Jurado   +3 more
doaj   +1 more source

Development of Head Space Sorptive Extraction Method for the Determination of Volatile Compounds in Beer and Comparison with Stir Bar Sorptive Extraction [PDF]

open access: yes, 2020
A headspace sorptive extraction method coupled with gas chromatography-mass spectrometry (HSSE-GC-MS) was developed for the determination of 37 volatile compounds in beer.
Castro Mejías, Remedios   +3 more
core   +1 more source

Speciation without chromatography: Part I. Determination of tributyltin in aqueous samples by chloride generation, headspace solid-phase microextraction and inductively coupled plasma time of flight mass spectrometry [PDF]

open access: yes, 2001
An analytical procedure was developed for the determination of tributyltin in aqueous samples. The relatively high volatility of the organometal halide species confers suitability for their headspace sampling from the vapour phase above natural waters or
Lam, J.   +4 more
core   +1 more source

Low-Cost Quantitation of Multiple Volatile Organic Compounds in Air Using Solid-Phase Microextraction

open access: yesSeparations, 2019
Current standard approaches for quantitation of volatile organic compounds (VOCs) in outdoor air are labor-intensive and/or require additional equipment.
Olga P. Ibragimova   +2 more
doaj   +1 more source

Identification of volatile compounds in several meat and bone broth using Solid Phase Micro Extraction-Gas Chromatography Mass Spectrometry (SPME-GCMS) for initial detection of Halal and Non-Halal Food [PDF]

open access: yesJournal of Pure and Applied Chemistry Research, 2023
The development of techniques for detecting halal and non-halal animal meat is of great importance as a useful tool for monitoring and assuring food quality for Muslim.
Diana Candra Dewi   +3 more
doaj  

Microfibers for juice analysis by solid-phase microextraction. [PDF]

open access: yes, 2008
In view of the interest in analyzing volatile compounds by SPME, the following five microfibers were tested, polydimethylsiloxane; polyacrylate; polydimethylsiloxane/divinylbenzene; carboxen/polydimethylsiloxane, and carbowax/divinylbenzene, to select ...
Bizzo, Humberto Ribeiro   +3 more
core   +3 more sources

The Effect of Roasting on Volatile Compounds of Ground Coffee and Turkish Coffee Brew

open access: yesTurkish Journal of Agriculture: Food Science and Technology, 2022
Roasting is the most important coffee processing stage that affects coffee flavour. Coffee brew is prepared by various methods and Turkish coffee brewing technique is one of the oldest methods among other coffee preparation techniques.
Ceyda Dadalı
doaj   +1 more source

Control-oriented implementation and model order reduction of a lithium-ion battery electrochemical model [PDF]

open access: yes, 2019
The use of electrochemical models makes it computationally intractable for online implementation as the model is subject to a complicated mathematical structure including partial-differential equations (PDE).
Li, Liuying   +3 more
core   +1 more source

Methoxypyrazines in Sauvignon blanc wines, detection of addition of artificial aroma

open access: yesCzech Journal of Food Sciences, 2009
Methoxypyrazines are the principal aroma components responsible for the vegetative and herbaceous green bell-pepper flavour of Sauvignon blanc wines produced in Moravia.
A. Rajchl   +4 more
doaj   +1 more source

Analytical Technique Optimization on the Detection of β-cyclocitral in Microcystis Species

open access: yesMolecules, 2020
β-Cyclocitral, specifically produced by Microcystis, is one of the volatile organic compounds (VOCs) derived from cyanobacteria and has a lytic activity.
Ryuji Yamashita   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy