About: Quality assessment of fruit juices by NIR spetroscopy

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.mendelu.cz/cz/veda_vyzkum/acta/ac313
Description	Possibilities of detection of substances used for adulteration of fruit juices were investigated in juice products distributed within the framework of retail stores network. This detection was performed by the method of near-infrared spectroscopy (NIR). Analysed were samples of orange, apple, and grapefruit juices. At first it was assessed if their quality parameters (soluble dry matter, total acids, formol number, malic acid, citric acid, ascorbic acid, lactic acid, specific density and ethanol content) did correspond with the limit values specified by the Association of the Industries of Juices and Nectars. Altogether 45 various fruit juices were analysed and it was found out that in 10 cases at least one parameter was out of the approved limits. Thereafter, juice samples were mixed with different amounts of water and sugar and, besides, they were also mixed together. The objective of this mixing was to find out if it is possible to detect, by the NIR spectroscopy, those juices that contained admixtures of foreign substances. The discrimination analysis enabled to separate pure juices from those containing at least 1 % of admixtures. Possibilities of detection of substances used for adulteration of fruit juices were investigated in juice products distributed within the framework of retail stores network. This detection was performed by the method of near-infrared spectroscopy (NIR). Analysed were samples of orange, apple, and grapefruit juices. At first it was assessed if their quality parameters (soluble dry matter, total acids, formol number, malic acid, citric acid, ascorbic acid, lactic acid, specific density and ethanol content) did correspond with the limit values specified by the Association of the Industries of Juices and Nectars. Altogether 45 various fruit juices were analysed and it was found out that in 10 cases at least one parameter was out of the approved limits. Thereafter, juice samples were mixed with different amounts of water and sugar and, besides, they were also mixed together. The objective of this mixing was to find out if it is possible to detect, by the NIR spectroscopy, those juices that contained admixtures of foreign substances. The discrimination analysis enabled to separate pure juices from those containing at least 1 % of admixtures. (en)
Title	Quality assessment of fruit juices by NIR spetroscopy Quality assessment of fruit juices by NIR spetroscopy (en)
skos:prefLabel	Quality assessment of fruit juices by NIR spetroscopy Quality assessment of fruit juices by NIR spetroscopy (en)
skos:notation	RIV/62156489:43510/13:00200388!RIV14-MSM-43510___
http://linked.open...avai/predkladatel	Zahradnická fakulta (Lednice)
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Šnurkovič, Petr
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	Mendelova univerzita v Brně / Zahradnická fakulta (Lednice)
http://linked.open...dnocenehoVysledku	101150
http://linked.open...ai/riv/idVysledku	RIV/62156489:43510/13:00200388
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	discrimination analysis; NIR spectroscopy; fruit juice (en)
http://linked.open.../riv/klicoveSlovo	NIR spectroscopy discrimination analysis fruit juice
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[5CB5E018CBE0]
http://linked.open...i/riv/nazevZdroje	Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
http://linked.open...in/vavai/riv/obor	GM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	61
http://linked.open...iv/tvurceVysledku	Šnurkovič, Petr
issn	1211-8516
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.11118/actaun201361030803
http://localhost/t...ganizacniJednotka	43510

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