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Influence of storage time and moisture content on the development of ochratoxin A and citrinin in legumes kernel of ecological and conventional provenance Mould growth can cause the occurrence of mycotoxins in grain and legumes. Less information is known for legumes of ecological provenance. For this reason a storage trial was carried out with peas and horse beans, to examine the production of ochratoxin A (OTA) and citrinin (CT) in legumes kernel from ecological provenance. For that purpose kernels from legumes were remoistened to different moisture contents (MC, 14%/19%) and stored 24 weeks in a research granary (tower silo). This experiment should simulate the storage situation in farm scale from winter to summer. Every four weeks, the CO2-content was determined and samples taken for the analysis of moisture, OTA and CT. At week 24 and a MC of <18% 1.9 μg OTA/kg of beans and 0.7 μg OTA/kg of peas (conventionally produced) were found.