Production of alternariol and alternariol mono-methyl ether by isolates of Alternaria spp. From Argentinian maize.
TORRES, A., GONZALEZ, H.H.L., ETCHEVERRY, M., RESNIK, S.L. and CHULZE, S.
Food Additives and Contaminants 15 : 56-60.
1998
บทคัดย่อ
Eighty seven isolates of Alternaria alternata, 4 of A. tenuissima, 2 of A. radicina, and 3 of Alternaria state of Pleospora infectoria isolated from maize were screened to determine their ability to produce alternariol (AOH) and alternariol monomethyl ether (AME) on maize and rice. Only 28 A. alternata stains had toxigenic capacity. When maize was used as substrate, 21/28 isolates produced AOH and AME. When grown on rice, 23/28 strains produced AOH and 22/28 produced AME. The level of AOH produced by the isolates ranged front 0.3 to 2.1 mg/kg on maize and from 0.4 to 9.9 mg/kg on rice. AME production ranged between 0.3 and 3.3 mg/kg both on maize and on rice. These results could indicate a low probability of AOH and AME occurring naturally on maize in Argentina.