About: Microextraction by Packed Sorbent (MEPS) as a Suitable Selective Method for L-Ascorbic Acid Determination in Beverages

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About: Microextraction by Packed Sorbent (MEPS) as a Suitable Selective Method for L-Ascorbic Acid Determination in Beverages Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.sciencedirect.com/science/article/pii/S0308814612010114
Description	In this study the modern microextraction by packed sorbent (MEPS) method followed by HPLC-UV analysis was optimised and evaluated for determination of L-ascorbic acid (AA) content in beverages. In this case 300 ?L of sample was passed through silica BIN (barrel insert and needle assembly) and entrapped AA was eluted by 60 ?L of methanol-water (10%, v/v) solution. Recovery of the proposed method for three concentration levels ranged between 97.46% and 106.88% with relative standard deviation 8.7% (low conc.), 2.49% (medium conc.) and 1.98% (high). Obtained results of AA contents in real samples were in the ranges 56.5-195.4 ?g/mL and 130.4-1090.0 ?g/mL for ice-tea and fruit juice samples, respectively. Proposed method was compared with iodometric titration and DPPH methods, but microextraction method was found to be more selective for AA determination in tested samples. In this study the modern microextraction by packed sorbent (MEPS) method followed by HPLC-UV analysis was optimised and evaluated for determination of L-ascorbic acid (AA) content in beverages. In this case 300 ?L of sample was passed through silica BIN (barrel insert and needle assembly) and entrapped AA was eluted by 60 ?L of methanol-water (10%, v/v) solution. Recovery of the proposed method for three concentration levels ranged between 97.46% and 106.88% with relative standard deviation 8.7% (low conc.), 2.49% (medium conc.) and 1.98% (high). Obtained results of AA contents in real samples were in the ranges 56.5-195.4 ?g/mL and 130.4-1090.0 ?g/mL for ice-tea and fruit juice samples, respectively. Proposed method was compared with iodometric titration and DPPH methods, but microextraction method was found to be more selective for AA determination in tested samples. (en)
Title	Microextraction by Packed Sorbent (MEPS) as a Suitable Selective Method for L-Ascorbic Acid Determination in Beverages Microextraction by Packed Sorbent (MEPS) as a Suitable Selective Method for L-Ascorbic Acid Determination in Beverages (en)
skos:prefLabel	Microextraction by Packed Sorbent (MEPS) as a Suitable Selective Method for L-Ascorbic Acid Determination in Beverages Microextraction by Packed Sorbent (MEPS) as a Suitable Selective Method for L-Ascorbic Acid Determination in Beverages (en)
skos:notation	RIV/00216275:25310/12:39895227!RIV13-MSM-25310___
http://linked.open...avai/riv/aktivita	I S
http://linked.open...avai/riv/aktivity	I, S
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Adam, Martin Čížková, Andrea Pavlíková, Petra Ventura, Karel Bajerová, Petra
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	150335
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/12:39895227
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Alcohol-Free Beverages; High-Performance Liquid Chromatography; Microextraction by Packed Sorbent; L-Ascorbic Acid (en)
http://linked.open.../riv/klicoveSlovo	Alcohol-Free Beverages High-Performance Liquid Chromatography L-Ascorbic Acid Microextraction by Packed Sorbent
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[FA305E5193B3]
http://linked.open...i/riv/nazevZdroje	Food Chemistry
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	135
http://linked.open...iv/tvurceVysledku	Adam, Martin Pavlíková, Petra Ventura, Karel Čížková, Andrea Bajerová, Petra
http://linked.open...ain/vavai/riv/wos	000310396700106
issn	0308-8146
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.foodchem.2012.06.039
http://localhost/t...ganizacniJednotka	25310

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