Positive correlation between high levels of ochratoxin A and resveratrol-related compounds in red wines (Articolo in rivista)

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  • Positive correlation between high levels of ochratoxin A and resveratrol-related compounds in red wines (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jf070993l (literal)
Alternative label
  • Perrone G.; Nicoletti I.; Pascale M.; De Rossi A.; De Girolamo A.; Visconti A. (2007)
    Positive correlation between high levels of ochratoxin A and resveratrol-related compounds in red wines
    in Journal of agricultural and food chemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Perrone G.; Nicoletti I.; Pascale M.; De Rossi A.; De Girolamo A.; Visconti A. (literal)
Pagina inizio
  • 6807 (literal)
Pagina fine
  • 6812 (literal)
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  • Questa ricerca è stata parzialmente finanziata dal progetto ministeriale MIUR (D.M. n. 593/2000) N° 12818 – SIVINA - “Individuazione di metodologie innovative e prontamente trasferibili per migliorare la sicurezza dei vini rossi di qualità del Salento”. (literal)
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  • 55 (literal)
Rivista
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  • 16 (literal)
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  • In questo lavoro viene analizzata la presenza di stilbeni e ocratossina A in campioni di vino provenienti da diverse regioni d’Italia (Nord, Centro e Sud). Viene evidenziata un correlazione positiva tra alti livelli di ocratossina e resveratrolo, questo dato è interessante perché si ipotizza che il livello tossico dell’ocratossina nei vini rossi potrebbe essere bilanciato dagli effetti benefici del resveratrolo e derivati. (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Giancarlo Perrone, Michelangelo Pascale, Annalisa De Girolamo, Angelo Visconti - Istituto di Scienze delle Produzioni Alimentari, Consiglio Nazionale delle Ricerche, Via Amendola 122/O, 70126 Bari, Italy; Isabella Nicoletti, Antonella De Rossi - Istituto di Metodologie Chimiche, Consiglio Nazionale delle Ricerche, Area della Ricerca di Roma 1, Via Salaria, Km 29,300, C.P.10 - 00016, Monterotondo Staz., Roma, Italy. (literal)
Titolo
  • Positive correlation between high levels of ochratoxin A and resveratrol-related compounds in red wines (literal)
Abstract
  • The natural occurrence of ochratoxin A in red wines has been widely reported by several authors, as well as a that of group of stilbenes including cis- and trans-resveratrols and related glucosylated forms. In the present study 112 samples of retail red wines were collected from northern (17), central (46), and southern (49) Italy and were analyzed for both ochratoxin A and resveratrol-related stilbenes. The mean levels of total resveratrols and total piceids were 3.14 and 5.80 mg/L, respectively, whereas the ochratoxin A mean level was 0.64 íg/L. The Merlot wines showed the highest mean value of total stilbenes, followed by Negroamaro and Negroamaro blend, Aglianico, and Syrah, all with mean levels of >10 mg/L. Ochratoxin A was detected in 70, 59, and 100% of wine samples from northern, central, and southern Italy, with mean levels of 0.12, 0.07, and 1.36 íg/L, respectively. The highest values of ochratoxin A were recorded in Negroamaro- and Primitivo-based wine samples from southern Italy, showing also the highest content of stilbenes. In wine samples from southern Italy, a positive correlation was obtained between levels of ochratoxin A and total stilbenes (r = 0.74) as well asbetween ochratoxin A and total resveratrols (r = 0.50) and between ochratoxin A and total piceids (r= 0.74). These results suggest that toxic levels of ochratoxin A in red wine may be, at some extent, counterbalanced by the beneficial effects of resveratrol derivatives. Further investigation should be warranted in this regard. (literal)
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