期刊
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
卷 122, 期 1-2, 页码 114-125出版社
ELSEVIER
DOI: 10.1016/j.ijfoodmicro.2007.11.050
关键词
maize; Aspergillus section Flavi; aflatoxin B-1; plant extracts; essential oils
The effect of essential oils, ethanolic and aqueous extract of 41 vegetable species on Aspergillus section Flavi growth was evaluated. The in vitro screen was a two-stage process. A wide-spectrum initial screen which identified promising antifungal plant extracts was carried out first. After that, identified extracts were studied in more detail by in vitro assays. A total of 96 plant extracts were screened. Essential oils were found to be the most effective extract controlling aflatoxigenic strains. Clove, mountain thyme, poleo and eucalyptus essential oils were selected to study their antifungal effect. Studies on percentage of germination, germ-tube elongation rate, growth rate, and aflatoxin B, accumulation were carried Out. Clove, Mountain thyme and poleo essential oils showed the most antifungal effect under all growth parameters analyzed as well as aflatoxin B, accumulation. Our results Suggest that mountain thyme and poleo, which are native vegetal species of Argentina, and clove essential oils could be used alone or in conjunction with other Substances to control the presence of aflatoxigenic fungi in stored maize. (C) 2007 Elsevier B.V. All rights reserved.
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