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Benefits and Pitfalls of HPLC Coupled to Diode-Array, Charged Aerosol, and Coulometric Detections: Effect of Detection on Screening of Bioactive Compounds in Apples
M. Hollá, A. Bílková, P. Jakubec, S. Košková, H. Kočová Vlčková, D. Šatínský, F. Švec, H. Sklenářová
Jazyk angličtina Země Švýcarsko
Typ dokumentu časopisecké články
Grantová podpora
TJ02000196
Technologická Agentura České Republiky
1466119
Grantová Agentura, Univerzita Karlova
CZ.02.1.01/0.0/0.0/15_003/0000465
Ministerstvo Školství, Mládeže a Tělovýchovy
SVV 260 548
Univerzita Karlova v Praze
NLK
Directory of Open Access Journals
od 1997
Free Medical Journals
od 1997
PubMed Central
od 2001
Europe PubMed Central
od 2001
ProQuest Central
od 1997-01-01
Open Access Digital Library
od 1997-01-01
Medline Complete (EBSCOhost)
od 2009-03-01
Health & Medicine (ProQuest)
od 1997-01-01
- MeSH
- aerosoly chemie MeSH
- antioxidancia chemie MeSH
- chromatografie metody MeSH
- elektrochemie metody MeSH
- fenol chemie MeSH
- fenoly analýza MeSH
- kalibrace MeSH
- limita detekce MeSH
- Malus metabolismus MeSH
- potravinářská technologie MeSH
- reprodukovatelnost výsledků MeSH
- vysokoúčinná kapalinová chromatografie metody MeSH
- Publikační typ
- časopisecké články MeSH
The new screening method for rapid evaluation of major phenolic compounds in apples has been developed. Suitability of coupling HPLC/UHPLC separation with the diode-array detection and universal charged aerosol detection with respect to the presence of interfering substances was tested. Characteristics of both detection techniques were compared and method linearity, limits of detection and quantitation, and selectivity of them determined. Student t-test based on slopes of calibration plots was applied for the detailed comparison. The diode-array detection provided the best results regarding sensitivity and selectivity of the developed method in terms of evaluation of phenolics profiles. The response of the charged aerosol detector was negatively affected by co-eluting substances during rapid-screening analyses. Coulometric detection was used for advanced characterization of extracts in terms of antioxidant content and strength to obtain more complex information concerning sample composition. This detection also allowed evaluation of unidentified compounds with antioxidant activity. HPLC/UHPLC separation using a combination of diode-array and coulometric detectors thus represented the best approach enabling quick, yet complex characterization of bioactive compounds in apples.
Citace poskytuje Crossref.org
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- $a The new screening method for rapid evaluation of major phenolic compounds in apples has been developed. Suitability of coupling HPLC/UHPLC separation with the diode-array detection and universal charged aerosol detection with respect to the presence of interfering substances was tested. Characteristics of both detection techniques were compared and method linearity, limits of detection and quantitation, and selectivity of them determined. Student t-test based on slopes of calibration plots was applied for the detailed comparison. The diode-array detection provided the best results regarding sensitivity and selectivity of the developed method in terms of evaluation of phenolics profiles. The response of the charged aerosol detector was negatively affected by co-eluting substances during rapid-screening analyses. Coulometric detection was used for advanced characterization of extracts in terms of antioxidant content and strength to obtain more complex information concerning sample composition. This detection also allowed evaluation of unidentified compounds with antioxidant activity. HPLC/UHPLC separation using a combination of diode-array and coulometric detectors thus represented the best approach enabling quick, yet complex characterization of bioactive compounds in apples.
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