Ohcratoxin producing Aspergillus spp. Isolated from tropical soils in Sarawak, Malaysia

Authors

  • J.S.S. Seelan
  • S. Muid

DOI:

https://doi.org/10.11609/JoTT.o2247.762-5

Abstract

Aspergillus strains isolated from tropical soils were selected for additional characterization and for ochratoxin analysis, which was determined by ELISA method and high performance liquid chromatography (HPLC) profiles. Because of its great morphological variability and mycotoxin production availability, 18 isolates of Aspergillus species were selected for this study. Only two isolates of these tropical soils, A. sulphureus and A. carbonarius, showed positive results for ohcratoxin (OA) in lower concentration (0.05-0.10 µg/ml). Ochratoxin production by these species was confirmed by high performance liquid chromatography. HPLC analysis for ochratoxin producing A. sulphureus and A. carbonarius showed retention time, Rt value = 4.417 and Rt value = 4.081 respectively.

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Published

26-03-2010

Issue

Vol. 2 No. 3 (2010)

Section

Notes

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