Mycological analysis and multimycotoxins in maize from rural subsistence farmers in the former Transkei, South Africa (Articolo in rivista)

Type
Label
  • Mycological analysis and multimycotoxins in maize from rural subsistence farmers in the former Transkei, South Africa (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jf4021762 (literal)
Alternative label
  • Gordon S. Shephard,*,+ Hester-Mari Burger,+ Lucia Gambacorta,? Rudolf Krska,§ Stephen P. Powers,# John P. Rheeder,+ Michele Solfrizzo,? Michael Sulyok,§ Angelo Visconti,? Benedikt Warth,§ and Liana van der Westhuizen+ (2013)
    Mycological analysis and multimycotoxins in maize from rural subsistence farmers in the former Transkei, South Africa
    in Journal of agricultural and food chemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gordon S. Shephard,*,+ Hester-Mari Burger,+ Lucia Gambacorta,? Rudolf Krska,§ Stephen P. Powers,# John P. Rheeder,+ Michele Solfrizzo,? Michael Sulyok,§ Angelo Visconti,? Benedikt Warth,§ and Liana van der Westhuizen+ (literal)
Pagina inizio
  • 8232 (literal)
Pagina fine
  • 8240 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 61 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • +PROMEC Unit, Medical Research Council, P.O. Box 19070, Tygerberg 7505, South Africa ?Institute of Sciences of Food Production (ISPA), National Research Council of Italy, Bari, Italy §Department for Agrobiotechnology (IFA-Tulln), Center for Analytical Chemistry, University of Natural Resources and Life Sciences, Vienna (BOKU), Tulln, Austria #Vicam, a Waters Business, Milford, Massachusetts, United States (literal)
Titolo
  • Mycological analysis and multimycotoxins in maize from rural subsistence farmers in the former Transkei, South Africa (literal)
Abstract
  • Maize harvested in the Centane region of the former Transkei, Eastern Cape Province, South Africa, by subsistence farmers has been shown over many seasons to be contaminated with fumonisin mycotoxins. However, there are limited data on the presence of other mycotoxins. Two multimycotoxin LC-MS/MS methods were applied to good and moldy maize samples, as separated by the farmers themselves from the 2011 harvest. One method involved extract cleanup on multitoxin immunoaffinity columns before LC-MS/MS analysis for aflatoxins, fumonisins, deoxynivalenol (DON), zearalenone (ZEN), and T-2 and HT-2 toxins. The other method was based on a \"dilute-and-shoot\" approach for the above mycotoxins and a wide range of other fungal secondary metabolites. Both methods showed high incidences of fumonisins B1 and B2 (FB1 and FB2) in good maize (100% for both by the first method, means were 2083 and 927 ?g/kg for the two analogues; 93% for both by the second method, positive means of 2764 and 1050 ?g/kg, respectively). All samples of moldy maize were contaminated (mean FB1 of 27.64 and 35.98 mg/kg, respectively; mean FB2 of 10.58 and 14.14 mg/kg, respectively). Comparison of the two methods for FB1 and FB2 over the entire range of samples gave R2 values 0.9144 and 0.8859, respectively. Low levels of DON were found by both methods (positive means of 12 and 4.7 ?g/kg in good maize, respectively, and of 14 and 5.8 ?g/kg in moldy maize, respectively). ZEN was determined with positive means of 108 and 25 ?g/kg in good maize, respectively, and of 111 and 135 ?g/ kg in moldy maize, respectively. No aflatoxins, OTA, or T-2 or HT-2 toxins were detected. A wide range of other Fusarium, Aspergillus, Alternaria, and Penicillium mycotoxins and secondary metabolites were determined. (literal)
Prodotto di
Autore CNR

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
data.CNR.it