Journal
JOURNAL OF STORED PRODUCTS RESEARCH
Volume 45, Issue 2, Pages 108-111Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jspr.2008.10.006
Keywords
Eucalyptus globulus; Essential oil; 1.8-Cineole; Storage fungi; Aflatoxin production
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The essential oil from leaves of Eucalyptus globulus obtained by hydrodistillation, as well as its major compound 1,8-cineole, identified by gas chromatography coupled with a mass selective detector, were evaluated for their effectiveness against the storage fungi Aspergillus flavus and Aspergillus parasiticus. The evaluation was performed by compound dissolution in yeast extract sucrose (YES) medium and exposure to headspace volatiles. Complete fungal growth inhibition of both species was achieved with the essential oil by contact and volatile assays. Volatile exposure showed total inhibition at the lower level tested of 500 mu L. The 1,8-cineole tested alone showed partial inhibition only at the highest level of 1.3492 mu L. Aflatoxin 131 production was reduced in headspace volatile assays and partial inhibition was observed at the 200 mu L dose of the essential oil. (c) 2008 Elsevier Ltd. All rights reserved.
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