About: Extraction of Antioxidants from Plants Using Ultrasonic Methods and their Antioxidant Capacity

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The analytical method based on the HPLC coupled with UV detection (HPLC-UV) for the determination of selected antioxidants (i.e. esculetin, scopoletin, 7-hydroxycoumarine, rutin, xanthotoxin, 5-methoxypsoralen and quercetin) in plant material was developed. Two ultrasonic extraction methods for the isolation of these compounds from the plants such as Mentha longifolia L., Mentha spicata L., Ruta graveolens L., Achyllea millefolium L., Plantago lanceolata L. and Coriandrum sativum, L. were used. Both of these methods, i.e. ultrasonic probe and ultrasonic bath, were optimised and compared to each other. For the proposed HPLC-UV method LOQ values in the range from 22.7 (xanthotoxin) up to 97.2 ng/mL (rutin) were obtained. For all extracts the antioxidant capacity based on the reduction of free 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical was also determined. Obtained results ranged from 10.11 up to 73.50% of DPPH radical inhibition. The analytical method based on the HPLC coupled with UV detection (HPLC-UV) for the determination of selected antioxidants (i.e. esculetin, scopoletin, 7-hydroxycoumarine, rutin, xanthotoxin, 5-methoxypsoralen and quercetin) in plant material was developed. Two ultrasonic extraction methods for the isolation of these compounds from the plants such as Mentha longifolia L., Mentha spicata L., Ruta graveolens L., Achyllea millefolium L., Plantago lanceolata L. and Coriandrum sativum, L. were used. Both of these methods, i.e. ultrasonic probe and ultrasonic bath, were optimised and compared to each other. For the proposed HPLC-UV method LOQ values in the range from 22.7 (xanthotoxin) up to 97.2 ng/mL (rutin) were obtained. For all extracts the antioxidant capacity based on the reduction of free 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical was also determined. Obtained results ranged from 10.11 up to 73.50% of DPPH radical inhibition. (en)
Title	Extraction of Antioxidants from Plants Using Ultrasonic Methods and their Antioxidant Capacity Extraction of Antioxidants from Plants Using Ultrasonic Methods and their Antioxidant Capacity (en)
skos:prefLabel	Extraction of Antioxidants from Plants Using Ultrasonic Methods and their Antioxidant Capacity Extraction of Antioxidants from Plants Using Ultrasonic Methods and their Antioxidant Capacity (en)
skos:notation	RIV/00216275:25310/09:00008397!RIV10-MSM-25310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/08/1536), Z(MSM0021627502)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Dobiáš, Petr Adam, Martin Ventura, Karel Eisner, Aleš
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	314471
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/09:00008397
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Antioxidants; Antioxidant Capacity; High-Performance Liquid Chromatography; Ultrasonic Extraction (en)
http://linked.open.../riv/klicoveSlovo	High-Performance Liquid Chromatography Antioxidants Antioxidant Capacity Ultrasonic Extraction
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[1F2664CAB1AB]
http://linked.open...i/riv/nazevZdroje	Journal of Separation Science
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Progressive methods in chemical, food and clinical analysis
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	32
http://linked.open...iv/tvurceVysledku	Adam, Martin Dobiáš, Petr Ventura, Karel Eisner, Aleš
http://linked.open...n/vavai/riv/zamer	Pokročilé analytické a separační metody a jejich aplikace v diagnostice a technologii živých a neživých materiálů
issn	1615-9306
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	25310

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