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Description
| - Antioxidant compounds and the antioxidative activities of new Israeli citrus fruit sweetie [(Oroblanco, pummelo-grapefruit hybrid (Citrus grandis x C. paradisi)] were compared with the better-known white grapefruit. Total and free phenols were determined with the Folin-Ciocalteu reagent, phenolic acids (free, esters and glycosides) by HPLC analysis and anthocyanins spectrophotometrically. The antioxidant activities were estimated with two scavenging radicals: 2, 2'-azinobis (3-ethylbenzothiazoline-6-sulfonate)- (ABTS) and nitric oxide (NO). Free radical scavenging properties of sweetie and grapefruit were evaluated by beta-carotene bleaching (beta-carotene). The results of kinetic reactions showed that both fruits differed in their capacities to quench these radicals and sweetie showed more antioxidative activity than grapefruit. Trans-hydroxycinnamic acids (caffeic, p-coumaric, ferulic, and sinapic) were more abundant in grapefruits than in sweeties. High correlation was observed b...
- Antioxidant compounds and the antioxidative activities of new Israeli citrus fruit sweetie [(Oroblanco, pummelo-grapefruit hybrid (Citrus grandis x C. paradisi)] were compared with the better-known white grapefruit. Total and free phenols were determined with the Folin-Ciocalteu reagent, phenolic acids (free, esters and glycosides) by HPLC analysis and anthocyanins spectrophotometrically. The antioxidant activities were estimated with two scavenging radicals: 2, 2'-azinobis (3-ethylbenzothiazoline-6-sulfonate)- (ABTS) and nitric oxide (NO). Free radical scavenging properties of sweetie and grapefruit were evaluated by beta-carotene bleaching (beta-carotene). The results of kinetic reactions showed that both fruits differed in their capacities to quench these radicals and sweetie showed more antioxidative activity than grapefruit. Trans-hydroxycinnamic acids (caffeic, p-coumaric, ferulic, and sinapic) were more abundant in grapefruits than in sweeties. High correlation was observed b... (en)
- Byly srovnány antioxidační vlastnosti nového israelského citrusového plodu sweetie (hybrid Citrus grandis x C. paradisi) s plody bílého grapefruitu. Celkové fenolické látky byly stanoveny Folin-Ciocalteu činidlem, volné, estericky a glykosidicky vázane fenoly pomocí HPLC a anthokyany spektrofotometricky. Oba studované plody měly vysokou koncentraci přírodních antioxidačních látek. Přestože grapefruit obsahoval vyšší obsah kys. kávové, p-kumarové, ferulové a sinapové, celkový antioxidační potenciál byl vyšší ve sweeties. Konzumace tohoto plodu přispěje ke zvýšení příjmu rostlinných antioxidačních látek. (cs)
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Title
| - Characterization of antioxidant compounds in Jaffa sweeties and white grapefruits
- Charakteristika antioxidačních látek extrahovaných z Jaffa sweeties a bílých grapefruitů (cs)
- Characterization of antioxidant compounds in Jaffa sweeties and white grapefruits (en)
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skos:prefLabel
| - Characterization of antioxidant compounds in Jaffa sweeties and white grapefruits
- Charakteristika antioxidačních látek extrahovaných z Jaffa sweeties a bílých grapefruitů (cs)
- Characterization of antioxidant compounds in Jaffa sweeties and white grapefruits (en)
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skos:notation
| - RIV/61389030:_____/04:00109156!RIV/2005/AV0/A56005/N
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(IA63819), P(KSK5020115), Z(AV0Z5038910)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/61389030:_____/04:00109156
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - citrus fruits; antioxidant compounds; antioxidative activities (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Cvikrová, Milena
- Gorinstein, S.
- Macháčková, Ivana
- Park, Y. S.
- Haruenkit, R.
- Yamamoto, K.
- Katrich, E.
- Trakhtenberg, S.
- Jung, S. T.
- Ayala, A. L. M.
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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