Results 11 to 20 of about 510,176 (333)

Volatile organic compounds in uremia. [PDF]

open access: yesPLoS ONE, 2012
BackgroundAlthough "uremic fetor" has long been felt to be diagnostic of renal failure, the compounds exhaled in uremia remain largely unknown so far. The present work investigates whether breath analysis by ion mobility spectrometry can be used for the ...
Nikolaos Pagonas   +6 more
doaj   +5 more sources

A Volatile Compound of Copper [PDF]

open access: bronzeNature, 1947
Korosy1 has recently reported that copper formate decomposes when heated, evolving a small amount of a volatile copper compound. I encountered a similar phenomenon when gently igniting a deposit from a copper rectifying column, the deposit containing cupric acetate.
J. G. Maltby
  +5 more sources

On the Volatility of Polonium Compounds [PDF]

open access: bronzeBulletin of the Chemical Society of Japan, 1958
To determine whether the sublimation of polonium dithizonate is characteristic of dithizonate, the volatility of polonium compounds with other organic reagents and polonium compounds extracted in the absence of organic reagents was investigated.
Hisao Mabuchi
openalex   +3 more sources

Volatile Compounds in Pulses: A Review [PDF]

open access: yesFoods, 2021
The worldwide demand for pulse-based products is increasing in the face of climate change, but their acceptability is limited due to the presence of off-flavours. Off-notes contribute to negative perceptions of pulses (beany notes). Volatile compounds belong to a large variety of chemical classes.
Karolkowski, Adeline   +3 more
openaire   +5 more sources

Comparative Analysis and Development of a Flavor Fingerprint for Volatile Compounds of Vegetable Soybean Seeds Based on Headspace-Gas Chromatography-Ion Mobility Spectrometry

open access: yesFrontiers in Plant Science, 2021
Evaluating the volatile compounds and characteristic fingerprints of the core cultivars of vegetable soybean would provide useful data for improving their aroma in the breeding programs.
Fengjie Yuan   +5 more
doaj   +1 more source

Impact of Grape Variety, Yeast and Malolactic Fermentation on Volatile Compounds and Fourier Transform Infrared Spectra in Red Wines

open access: yesPolish Journal of Food and Nutrition Sciences, 2022
Volatile compounds are very important to the flavour and quality of the wine. The study aimed to determine the effect of grape variety (Rondo and Zweigelt), yeast, malolactic fermentation (MLF) and yeast×MLF interaction on the content of volatile ...
Anna Stój   +4 more
doaj   +1 more source

Effects of Different Primary Processing Methods on the Flavor of Coffea arabica Beans by Metabolomics

open access: yesFermentation, 2023
The primary processing method of coffee plays a crucial role in determining its flavor profile. In this study, roasted coffee beans were subjected to three primary processing methods, i.e., natural processing (SC), washed processing (WC), and honey ...
Xiaojing Shen   +9 more
doaj   +1 more source

Comparative Analysis of Chemical Composition of Zanthoxylum myriacanthum Branches and Leaves by GC-MS and UPLC-Q-Orbitrap HRMS, and Evaluation of Their Antioxidant Activities

open access: yesMolecules, 2023
Zanthoxylum myriacanthum Wall. ex Hook. f., a plant belonging to the Rutaceae family and the Zanthoxylum genus, is extensively utilized for its medicinal properties and as a culinary seasoning in China and Southeast Asian countries. However, the chemical
Wei Dai   +7 more
doaj   +1 more source

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

Analysis of Volatile Compounds in Different Varieties of Plum Fruits Based on Headspace Solid-Phase Microextraction-Gas Chromatography-Mass Spectrometry Technique

open access: yesHorticulturae, 2023
To investigate the differences in the volatile compounds of plum fruit samples from different cultivars, the volatile compounds of the ‘Fengtang’ plum, ‘Kongxin’ plum, and ‘Cuihong’ plum fruits were analyzed using headspace solid-phase microextraction ...
Qin Zhang   +8 more
doaj   +1 more source

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