Now showing items 1-4 of 4

    • Determination of fumonisins in maize by HPLC with ultraviolet detection of o-phthaldialdehyde derivatives 

      Ndube, N.; Van Der Westhuizen, L.; Shephard, G.S. (Springer, 2009)
      Fumonisins are mycotoxins that are produced by various Fusarium species and occur naturally in maize and maize-based foods. Fumonisins are carcinogenic, causing liver cancer in rats, and are associated with oesophageal ...
    • Fumonisin mycotoxins in human hair 

      Sewram, V.; Mshicilelo, N.; Shephard, G.S.; Marasas, W.F.O (2003)
      This study shows for the first time the accumulation of fumonisin mycotoxins in human hair of population clusters exposed to contaminated maize, and thus the feasibility of human hair analysis for the assessment of past ...
    • Occurrence of patulin in the commercial processing of apple juice 

      Leggott, N.L.; Vismer, H.F.; Sydenham, E.W.; Shephard, G.S.; Rheeder, J.P.; Marasas, W.E.O. (Academy of Science for South Africa, 2000)
      Patulin is a mycotoxin produced by microscopic fungi belonging to the Penicillium and Aspergillus genera. The natural occurrence of patulin in four apple products marketed in Italy and purchased from the supermarket, ...
    • Preparation of South African maize porridge : effect on fumonisin mycotoxin levels 

      Stockenstrom, S.; Leggott, N.L.; Marasas, W.F.O.; Somdyala, N.I.M.; Shephard, G.S. (Academy of Science for South Africa, 2002-08)
      The estimated levels of fumonisin exposure in South African communities tiiat consume maize as their staple diet have previously been based on the analysis of raw maize collected from subsistence farmers, rather than on ...