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Statements

Subject Item
n2:RIV%2F62690094%3A18470%2F14%3A50002980%21RIV15-MSM-18470___
rdf:type
n9:Vysledek skos:Concept
dcterms:description
Ochratoxin A (OTA) is nephrotoxic, hepatotoxic, immunotoxic, neurotoxic, reprotoxic, teratogenic and carcinogenic (group 2B, IARC, 1993), being characterized by species and sex differences in sensitivity. Despite the fact that OTA remains in some aspects a controversial topic, OTA is the most powerfull renal carcinogen. Therefore the aim of this study was to investigate small survey concerning OTA content in black tea, fruit tea and ground roasted coffee and to assess OTA transfer into beverages. Validated and accredited HPLC-FLD method with limit of quantification (LOQ) of 0.35 ng/g was employed for OTA determination. The OTA amount ranged from LOQ up to 250 ng/g in black tea and up to 104 ng/g in fruit tea. Black tea and fruit tea naturally contaminated were used to prepare tea beverages. The real OTA transfer from the black tea to the beverage was 34.8 % ± 1.3 % and from the fruit tea 4.1 % ± 0.2 %. Ground roasted coffee naturally contaminated at 0.92 ng/g was used to prepare 7 different coffee beverages. Depending on the type of the beverage and the process used, OTA transfer into coffee ranged from 22.3-66.1 %. OTA intake from fruit, black tea and coffee represent non-negligible human source. Ochratoxin A (OTA) is nephrotoxic, hepatotoxic, immunotoxic, neurotoxic, reprotoxic, teratogenic and carcinogenic (group 2B, IARC, 1993), being characterized by species and sex differences in sensitivity. Despite the fact that OTA remains in some aspects a controversial topic, OTA is the most powerfull renal carcinogen. Therefore the aim of this study was to investigate small survey concerning OTA content in black tea, fruit tea and ground roasted coffee and to assess OTA transfer into beverages. Validated and accredited HPLC-FLD method with limit of quantification (LOQ) of 0.35 ng/g was employed for OTA determination. The OTA amount ranged from LOQ up to 250 ng/g in black tea and up to 104 ng/g in fruit tea. Black tea and fruit tea naturally contaminated were used to prepare tea beverages. The real OTA transfer from the black tea to the beverage was 34.8 % ± 1.3 % and from the fruit tea 4.1 % ± 0.2 %. Ground roasted coffee naturally contaminated at 0.92 ng/g was used to prepare 7 different coffee beverages. Depending on the type of the beverage and the process used, OTA transfer into coffee ranged from 22.3-66.1 %. OTA intake from fruit, black tea and coffee represent non-negligible human source.
dcterms:title
Transfer of ochratoxin A into tea and coffee beverages Transfer of ochratoxin A into tea and coffee beverages
skos:prefLabel
Transfer of ochratoxin A into tea and coffee beverages Transfer of ochratoxin A into tea and coffee beverages
skos:notation
RIV/62690094:18470/14:50002980!RIV15-MSM-18470___
n3:aktivita
n15:I n15:S
n3:aktivity
I, S
n3:cisloPeriodika
12
n3:dodaniDat
n12:2015
n3:domaciTvurceVysledku
n14:8812853
n3:druhVysledku
n18:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
50994
n3:idVysledku
RIV/62690094:18470/14:50002980
n3:jazykVysledku
n6:eng
n3:klicovaSlova
OTA transfer in beverage; beverage coffee; fruit tea; black tea; OTA; Ochratoxin A
n3:klicoveSlovo
n10:OTA%20transfer%20in%20beverage n10:black%20tea n10:OTA n10:Ochratoxin%20A n10:fruit%20tea n10:beverage%20coffee
n3:kodStatuVydavatele
CH - Švýcarská konfederace
n3:kontrolniKodProRIV
[D89D6098B9D1]
n3:nazevZdroje
Toxins
n3:obor
n4:FP
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:rokUplatneniVysledku
n12:2014
n3:svazekPeriodika
6
n3:tvurceVysledku
Malíř, František Bazin, Ingrid Roubal, Tomáš Toman, Jakub Pfohl-Leszkowicz, Annie Ostrý, Vladimír
n3:wos
000346794900014
s:issn
2072-6651
s:numberOfPages
16
n17:doi
10.3390/toxins6123438
n8:organizacniJednotka
18470