Antifungal activity in vitro of Baccharis glutinosa and Ambrosia confertiflora extracts on Aspergillus flavus, Aspergillus parasiticus and Fusarium verticillioides

被引：0
作者：
Ema Carina Rosas-Burgos
Mario O. Cortez-Rocha
Francisco J. Cinco-Moroyoqui
Ramón E. Robles-Zepeda
Jaime López-Cervantes
Dalia I. Sánchez-Machado
Fernando Lares-Villa
机构：
[1] Universidad de Sonora,Departamento de Investigación y Posgrado en Alimentos
[2] Universidad de Sonora,Departamento de Ciencias Químico Biológicas
[3] Instituto Tecnológico de Sonora,Departamento de Biotecnología y Ciencias Alimentarias
来源：
World Journal of Microbiology and Biotechnology | 2009年 / 25卷
关键词：
Antifungal activity; Plant extracts; Phytopathogenic molds;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The aims of this study were to evaluate the antifungal properties of Baccharis glutinosa and Ambrosia confertiflora extracts against Aspergillus flavus, A. parasiticus and Fusarium verticillioides, and to isolate the group of compounds that are responsible for the antifungal activity. Samples of aerial parts from each plant were extracted with 70% methanol and sequentially partitioned with hexane, ethyl acetate, and n-butanol. The partitioned fractions were evaluated in their capacity to inhibit the radial growth of the three species of fungi. The active fraction was used for an assay-guided chromatography of antifungal extracts. The results showed that the extract from B. glutinosa partitioned in ethyl acetate (Bea) showed the highest antifungal activity against the three fungi. Bea completely inhibited the growth of F. verticillioides at 0.8 mg/ml, whereas the radial growth of A. flavus and A. parasiticus was inhibited 70% at 1.5 mg/ml. The purified antifungal fraction from Bea showed 72, 54, and 52% of antifungal activity, respectively.
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页码：2257 / 2261
页数：4
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