0.895
IF
20
MNiSW
166.26
ICV
 
 

Volatile profiles of toxigenic and non-toxigenic Aspergillus flavus using SPME for solid phase extraction.

 
1
Southern Regional Research Center, USDA, ARS, New Orleans, LA 70124, USA. Anthony.DeLucca@ars.usda.gov
Ann Agric Environ Med 2010;17(2):301–308
KEYWORDS:
ABSTRACT:
Toxigenic and atoxigenic strains of Aspergillus flavus were grown on potato dextrose agar (PDA) and wetted (23% moisture) sterile, cracked corn for 14 and 21 days, respectively. Volatile compounds produced by A. flavus, as well as those present in the PDA controls and sterile cracked maize, were collected using solid-phase micro-extraction (SPME) and identified by gas chromatography/mass spectrometry. Results show that growth substrate had a major impact on the number and type of volatiles detected. Growth on sterile cracked maize produced many more volatiles than did potato dextrose agar. There were also differences observed in the type of volatiles produced between toxigenic and non-toxigenic isolates, as well as between isolates of the same toxigenic grouping.
eISSN:1898-2263
ISSN:1232-1966