Results 211 to 220 of about 31,983 (261)
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Ochratoxins: A global perspective
Mycopathologia, 2006Ochratoxins have been overshadowed by better-known mycotoxins, but they are gaining importance. Here we consider ochratoxins in the context of aflatoxins, which are better understood than ochratoxins on many levels. We review recent work on taxonomic distribution, contamination of commodities, biosynthesis, toxicity and regulatory aspects of ...
Paul, Bayman, James L, Baker
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Colloids and Surfaces B: Biointerfaces, 2019
This study demonstrates the evaluation of ochratoxin A (OTA) in coffee on compact surface plasmon resonance (SPR) biosensors based on crosslinked chitosan and carboxymethyl chitosan nanomatrix substrates.
Zainia Rehmat +4 more
semanticscholar +1 more source
This study demonstrates the evaluation of ochratoxin A (OTA) in coffee on compact surface plasmon resonance (SPR) biosensors based on crosslinked chitosan and carboxymethyl chitosan nanomatrix substrates.
Zainia Rehmat +4 more
semanticscholar +1 more source
Aspergilli as Ochratoxin Producers
Mycologia, 1972To determine whether ochratoxin is produced by species of Aspergillus other than Asp. ochraceus, 44 strains representative of the 9 spp. composing the Asp. ochraceus group were grown on both pearled wheat and cracked corn in duplicate shaken flasks at 28°C for 5 days. Rice was a poor substrate for ochratoxin production.
C W, Hesseltine +4 more
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In this section, ochratoxins are described in general, and their effects on human health and the toxic effects are particularly discussed. Ochratoxins are considered to be among the mycotoxins with significant health implications due to their widespread presence in food and feed.
Izem Bilinmis +2 more
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Izem Bilinmis +2 more
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Targeting Ochratoxin Biosynthetic Genes
2016The pathway of ochratoxin A (OTA) biosynthesis has not yet been completely elucidated. Essentially, two kind of genes have been demonstrated to be involved in the biosynthesis of OTA. One of them is the nrps gene encoding a non-ribosomal peptide synthetase (NRPS) which catalyzes the ligation between the isocoumarin group, constituting the polyketide ...
Gallo Antonia, Perrone Giancarlo
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Immunotoxic activity of ochratoxin A
Journal of Veterinary Pharmacology and Therapeutics, 2006Ochratoxin A (OTA) is an immunosuppressant fungal compound, produced by toxigenic species ofAspergillusandPenicilliumfungi in a wide variety of climates and geographical regions. The contamination of food by this mycotoxin takes place primarily during preharvest periods. Almost all types of food can be contaminated.
L, Al-Anati, E, Petzinger
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Journal of Food Biochemistry, 2005
In this research, 47 wine samples produced from 2001 to 2002 harvest period in four Turkish regions were analyzed for the presence of ochratoxin A (OTA). Based on the results, the OTA levels of red wines are generally higher than those of white and rose wines.
Vural, NİLÜFER +3 more
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In this research, 47 wine samples produced from 2001 to 2002 harvest period in four Turkish regions were analyzed for the presence of ochratoxin A (OTA). Based on the results, the OTA levels of red wines are generally higher than those of white and rose wines.
Vural, NİLÜFER +3 more
openaire +2 more sources
2001
Recommendations. Studies should be conduced to clarify the mechanism by which ochratoxin A induces nephhrotoxicity and carcinogenicity. Appropriate sampling procedures should be developed for food commodities likely to be contaminated with ochratoxin A.
Pleština, Radovan, Fuchs, Radovan
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Recommendations. Studies should be conduced to clarify the mechanism by which ochratoxin A induces nephhrotoxicity and carcinogenicity. Appropriate sampling procedures should be developed for food commodities likely to be contaminated with ochratoxin A.
Pleština, Radovan, Fuchs, Radovan
openaire
, 2006 Cette présentation montre les résultats majeurs obtenus au cours d'un travail R&D portant sur la contamination du café par l'ochratoxine A (OTA) et les moisissures toxinogènes responsables. Partant de l'hypothèse que les contaminations se développent essentiellement au cours du premier traitement post-récolte au cours duquel, la teneur en eau du ...
Duris, Daniel, et al.,
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Ochratoxin A and Related Mycotoxins
2014Ochratoxins are toxins produced by fungal species belonging not only to Aspergilli but also to Penicillia with ochratoxin A (OTA) being the main toxin of the group followed by ochratoxin B (OTB) and ochratoxin C (OTC). These mycotoxins are formed in a variety of plant products as well as in some animal-derived products following fungal invasion.
REVERBERI, Massimo +2 more
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