Published January 1, 2011
| Version v1
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ANTIBACTERIAL ACTIVITIES OF EXTRACTS AND ESSENTIAL OILS OF THREE ORIGANUM SPECIES AGAINST PLANT PATHOGENIC BACTERIA AND THEIR POTENTIAL USE AS SEED DISINFECTANTS
Creators
- 1. Ataturk Univ, Fac Agr, Dept Plant Protect, TR-25240 Erzurum, Turkey
- 2. Ataturk Univ, Kazim Karabekir Educ Fac, Dept Chem, TR-25240 Erzurum, Turkey
- 3. Kilis 7 Aralik Univ, Fac Sci & Art, Dept Chem, TR-79000 Kilis, Turkey
- 4. Ataturk Univ, Fac Agr, Dept Field Crops, TR-25240 Erzurum, Turkey
- 5. Ataturk Univ, Fac Arts & Sci, Dept Chem, TR-25240 Erzurum, Turkey
Description
The chemical compositions of hydrodistilled essential oils and n-hexane extracts from Origanum acutidens, O. rotundifolium and O. vulgare were analyzed by GC and GC-MS. Essential oils and hexane, chloroform, acetone and methanol extracts were tested against 25 plant pathogenic bacterial strains. Essential oils showed a wide spectrum of antibacterial activity, probably due to the phenolic components such as carvacrol and thymol. It was also shown that carvacrol, thymol and other main components such as terpinen-4-ol and linalool possess antimicrobial activity. Plant extracts, however, did not show any antibacterial activity, with the exception of the acetone and hexane extracts from O. rotundifolium. Our findings suggest that the essential oils may be valuable as potential antibacterial agents against plant pathogens, and show the potential value of Origanum oils as seed disinfectant.
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