Antifungal activity of essential oils isolated from Egyptian plants against wood decay fungi

被引:38
|
作者
Mohareb, Ahmed S. O. [1 ]
Badawy, Mohamed E. I. [2 ]
Abdelgaleil, Samir A. M. [2 ]
机构
[1] Univ Alexandria, Fac Agr, Dept Forestry & Wood Technol, Alexandria 21545, Egypt
[2] Univ Alexandria, Fac Agr, Dept Chem Pesticides, Alexandria 21545, Egypt
关键词
Essential oils; Chemical composition; Antifungal activity; Wood preservation; Wood decay fungi; CHEMICAL-COMPOSITION; ANTIMICROBIAL ACTIVITY; BIOLOGICAL-ACTIVITIES; PARADISI L; LEAVES; CONSTITUENTS; EXTRACTS; VULGARE; GROWTH; LEAF;
D O I
10.1007/s10086-013-1361-3
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
The essential oils of eighteen Egyptian plants were extracted by hydrodistillation and their chemical compositions were analyzed by GC-MS. The antifungal activity of the isolated oils was evaluated against two wood decay fungi Hexagonia apiaria and Ganoderma lucidum in vitro. The essential oil of Artemisia monosperma showed the highest inhibitory effect against H. apiaria (EC50 = 31 mg L-1) and G. lucidum (EC50 = 53 mg L-1). The results of in vitro tests indicated that the essential oils of Cupressus sempervirens, Citrus limon, Thuja occidentalis, Schinus molle, A. monosperma and Pelargonium graveolens were the most potent inhibitors against both fungi. These six oils caused significant reduction of wood mass loss of Scots pine sapwood after 6 weeks of fungal exposure. The oil of C. limon revealed the highest reduction of wood mass loss caused by H. apiaria, while A. monosperma oil displayed the highest reduction of wood loss caused by G. lucidum. These results support the potential use of essential oils for wood protection against decay fungi.
引用
收藏
页码:499 / 505
页数:7
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