Characterization of Volatile Constituents of Haplopappus greenei and Studies on the Antifungal Activity against Phytopathogens
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- 作者：Betul Demirci ; Kemal Husnu Can Baser ; Nurhayat Tabanca ; and David E. Wedge
- 刊名：Journal of Agricultural and Food Chemistry
- 出版年：2006
- 出版时间：April 19, 2006
- 年：2006
- 卷：54
- 期：8
- 页码：3146 - 3150
- 全文大小：45K
- 年卷期：v.54,no.8(April 19, 2006)
- ISSN：1520-5118
文摘
Essential oil of Haplopappus greenei A. Gray was obtained by hydrodistillation of aerial parts, whichwere subsequently analyzed by gas chromatography and gas chromatography-mass spectrometry.Major components were identified as carvacrol (8.7%), 
-pinene (7.6%), trans-pinocarveol (6.2%),and caryophyllene oxide (5.8%), respectively. In total, 104 components representing 84.9% of theinvestigated essential oil were characterized. Furthermore, the essential oil was evaluated forantimalarial, antimicrobial, and antifungal activities. However, only antifungal activity was observedagainst the strawberry anthracnose-causing fungal plant pathogens Colletotrichum acutatum,Colletotrichum fragariae, and Colletotrichum gloeosporioides using the direct overlay bioautographyassay. Major essential oil components were also evaluated for antifungal activity; the carvacrolstandard demonstrated nonselective activity against the three Colletotrichum species and the othercompounds were inactive.Keywords: Haplopappus greenei; Asteraceae; essential oil; GC-MS; carvacrol; -pinene; strawberrypathogenic fungi; biological activity; antifungal activity
-pinene (7.6%), trans-pinocarveol (6.2%),and caryophyllene oxide (5.8%), respectively. In total, 104 components representing 84.9% of theinvestigated essential oil were characterized. Furthermore, the essential oil was evaluated forantimalarial, antimicrobial, and antifungal activities. However, only antifungal activity was observedagainst the strawberry anthracnose-causing fungal plant pathogens Colletotrichum acutatum,Colletotrichum fragariae, and Colletotrichum gloeosporioides using the direct overlay bioautographyassay. Major essential oil components were also evaluated for antifungal activity; the carvacrolstandard demonstrated nonselective activity against the three Colletotrichum species and the othercompounds were inactive.Keywords: Haplopappus greenei; Asteraceae; essential oil; GC-MS; carvacrol; -pinene; strawberrypathogenic fungi; biological activity; antifungal activity