Results 11 to 20 of about 7,183 (228)
The present study aims at the development and validation of a quali-quantitative headspace solid-phase microextraction gas chromatography–mass spectrometry (HS-SPME GC-MS) method for the analysis of odorants in different Chinese and Japanese green teas ...
Roberto Gotti +2 more
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Headspace Solid-Phase Microextraction Analysis of Volatile Components in Peanut Oil
Peanut oil is favored by consumers due to its rich nutritional value and unique flavor. This study used headspace solid-phase microextraction (HS-SPME) combined with gas chromatography (GC) and gas chromatography–mass spectrometry (GC-MS) to examine the ...
Kai-Min Yang +4 more
doaj +1 more source
Background Pyrazines are used in food industry to impart the foods nutty-roasted flavor. However, their extraction from natural sources is difficult and expensive. At the same time, there is awareness against the chemical food additives.
Hoda Hanem Mohamed Fadel +4 more
doaj +1 more source
Synthesis of Chromeno[3,4-b]piperazines by an Enol-Ugi/Reduction/Cyclization Sequence
Keto piperazines and aminocoumarins are privileged building blocks for the construction of geometrically constrained peptides and therefore valuable structures in drug discovery.
Ana Bornadiego +2 more
doaj +1 more source
2-Diphenylphosphinomethyl-3-methylpyrazine
The lateral metalation-electrophilic trapping reaction of alkyl-substituted pyrazines has always been challenging and poorly regioselective, with the corresponding derivatives often being isolated in moderate yield.
Tiziana Boccuzzi +6 more
doaj +1 more source
Synthesis of Symmetrical and Unsymmetrical Pyrazines [PDF]
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Douglass F, Taber +2 more
openaire +3 more sources
Changes during the extrusion of semolina in mixture with sugars
Wheat semolina and its mixtures with 5% glucose, fructose of sucrose were processed in a sigle screw extruder at the maximum temperature of 140°C and the processing time of 30 s.
A. Farouk Mansour +3 more
doaj +1 more source
This study evaluated how the generation of pyrazines was promoted by high-intensity ultrasound (HIU) in a Maillard reaction (MR) model system of glucose-glycine.
Ruyue Zhang +7 more
doaj +1 more source
Flavor Profile for Fusel Oil Pyrazines
The aim of the research was to identify the flavor profile and the sensory performance in food [...]
Catalin Bilbie +2 more
doaj +1 more source
Evaluation of Changes in Alkyl Pyrazines, Color and Sensory Properties of Cocoa Powder under Different Roasting Conditions [PDF]
Cocoa is an important product in the world and the raw material for the production of cocoa powder, which is widely used in the chocolate and food industries. Its value and quality are related to its unique and complex flavor combinations.
Samaneh Ebrahimzadegan +3 more
doaj +1 more source

