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A novel sorbent for solid-phase extraction coupling to high performance liquid chromatography for the determination of olaquindox in fish feed
HPCL molecular imprinting SPE olaquindox
2014/10/11
A new and hydrophilic molecularly imprinted polymer (MIP) selective for olaquindox was prepared by bulk polymerisation using methacrylic acid as the functional monomer and ethylene glycol dimethacryla...
Determination of volatiles in beer using solid-phase microextraction in combination with gas chromatography/mass spektrometry
GC headspace technique solid phase microextraction volatile compounds
2014/7/10
Headspace solid phase microextraction and purge and trap analysis were used for the determination of volatiles in beer. These methods were compared with the analysis of unconcentrated gas phase and li...
Application of ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MS) metabolomic fingerprinting to characterise GM and conventional maize varieties
chemometric analysis maize metabolomics
2014/2/24
The feasibility of metabolomic fingerprinting approach based on ultra-high performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UHPLC-QTOFMS) was studied to assess its abilit...
Analysis of ochratoxin A in malt beverage samples using dispersive liquid–liquid microextraction coupled with liquid chromatography-fluorescence detection
mycotoxin beverage microextraction HPLC
2014/2/24
A simple and economic procedure based on dispersive liquid–liquid microextraction has been applied to extract and pre-concentrate trace levels of ochratoxin A (OTA) in malt beverage prior to analysis ...
Simple Validated Method for Determination of Deoxynivalenol and Zearalenone in Some Cereals Using High Performance Liquid Chromatography
Deoxynivalenol and Zearalenone Simple Validated Method
2016/6/1
Deoxynivalenol (DON) and zearalenone (ZON) are two of the five most important naturally occurring mycotoxins in human foods and animal feeds produced by Fusarium species. The aim of the present study ...
Simultaneous determination of the residues of fourteen quinolones and fluoroquinolones in fish samples using liquid chromatography with photometric and fluorescence detection
chromatographic method UV detectecton salmon
2014/2/25
A chromatographic method is described for assaying fourteen quinolones and fluoroquinolones (pipemidic acid, marbofloxacin, norfloxacin, ciprofloxacin, danofloxacin, lomefloxacin, enrofloxacin, sarafl...
Preparation of flaxseed for lignan determination by gas chromatography–mass spectrometry method
defatting extraction GC/MS hydrolysis lignans
2014/2/25
Since 1980s, several methods for the determination of lignans in food samples have been developed depending on the types of lignans and foods analysed, but mostly on flaxseed as a reference food. In t...
Simultaneous determination of chloride, bromide and iodide in foodstuffs by low pressure ion-exchange chromatography with visible light detection
LPIEC spectrophotometry halide
2014/2/25
An ion-exchange chromatography method with visible light detection was developed for the simultaneous determination of chloride, bromide, and iodide in foodstuffs. They were separated by means of low ...
Rapid detection of dimethyl yellow dye in curry by liquid chromatography-electrospray-tandem mass spectrometry
azo dyes dimethyl yellow curry LC-ESI-/MS/MS
2014/2/27
An accurate and rapid method, was devised for the identification and quantitation of dimethyl yellow dye in curry, based on liquid chromatography-tandem mass spectrometry interfaced with electrospray....
Analysis of Dabsyl-Cl Derivated Amino Acids by High Performance Liquid Chromatography and Tandem Mass Spectrometry
amino acid dabsyl chloride analysis HPLC-MS/MS
2009/6/17
A high performance liquid chromatograph coupled with a tandem mass (MS/MS) detector was used for the analysis of 4-dimethylaminoazobenzene-4-sulfonyl chloride (dabsyl-Cl) derivated amino acids. Apart ...
Flavor Design of Sesame-flavored Dressing Using Gas Chromatography/Olfactometry and Food Kansei Model
sesame-flavored dressing solid-phase microextraction (SPME) sensory analysis
2009/5/31
Instrumental and sensory analyses were carried out on sesame-flavored dressings to identify the odorants affecting their perceived quality. The sampling of the odor-active compounds was performed by s...
Determination of Amitraz Residue by Headspace Gas Chromatography in Honey and Beeswax Samples from Iran
Amitraz Residue Headspace Gas Chromatography
2016/5/31
In this study, 70 samples of honey and beeswax from different beehives (Eastern and Western Azerbaijan, Ardabil territory, Iran), markets and store shelves of (Tehran, Iran) were collected during 2006...
Determination of Reductones, Furans and Organic Acids in Aqueous Model Matrices Using Solid-Phase Extraction and Gas Chromatography/Mass Spectrometry
reductone furan organic acid
2009/5/31
A method using solid-phase extraction (SPE) and GC-MS was developed for the determination of a series of polar and unstable flavor compounds: reductones, furans and volatile organic acids, in aqueous ...
Determination of Sorbitol Concentration in Diet Chocolate by High-Performance Liquid Chromatography
diet chocolate sorbitol HPLC
2009/3/20
Confectionery products are among the ever increasing group of healthy foodstuffs. In the diet chocolate mass used in this study the sucrose was replaced with sorbitol and sweetener aspartame. A new me...
A Simple and Rapid Determination of ATP, ADP and AMP Concentrations in Pericarp Tissue of Litchi Fruit by High Performance Liquid Chromatography
HPLC ATP ADP AMP
2009/3/9
A simple and rapid method using high performance liquid chromatography (HPLC) was developed to determine levels of adenosine triphosphate (ATP), adenosine diphosphate (ADP) and adenosine monophosphate...