Aflatoxin contamination of groundnuts in MozambiqueP S vanWykauthorP J A Van derMerweauthorPSubrahmanyamauthorDBoughtonauthorThe incidence of fungal infection and levels of aflatoxin contamination (produced by Aspergillus flavus) were studied in groundnuts collected from farmers at lifting and after drying/curing, and from traders in Nampula, Mozambique, during 1997-98. Of 34 samples collected at lifting, 13 were contaminated with aflatoxins and 8 had aflatoxin levels >30 µg/kg. Of 30 samples collected after drying, 10 had aflatoxins and 4 had >30 µg/kg. Of 10 samples collected from traders, only 2 had aflatoxin contamination. Aflatoxin G1 was predominant in samples collected at lifting and aflatoxin B1 in samples collected from traders.Groundnut1999International Crops Research Institute for the Semi-Arid TropicsArticle