Inhibitory effect of essential oils on apical growth of Aspergillus fumigatus by vapour contact.

作者: Inouye , Tsuruoka , Watanabe , Takeo , Akao

DOI: 10.1046/J.1439-0507.2000.00538.X

关键词: MyceliumAgar plateTea tree oilBarkBiologyEssential oilVapoursAspergillus fumigatusHyphaBotanyChromatography

摘要: The inhibitory effect of seven essential oils on the apical growth hyphae Aspergillus fumigatus was studied using a bio cell tracer by vapour contact in sealed vessel. Based pattern, these were classified into three groups. first group, composed citron, lavender and tea tree oils, stopped loading dose 63 micrograms ml-1 air, but allowed regrowth after removal vapour, indicating fungistatic action. second consisting perilla lemon-grass 6.3 did not allow gaseous at indicative fungicidal third cinnamon bark thyme retarded it incompletely suppressed hyphae. Gas chromatographic analysis revealed that vapours absorbed fungal mycelia agar medium most abundantly followed groups, reflecting volatility respective Suppression ascribed to direct deposition mycelia, together with an indirect via absorbed.

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