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- El-Seedi, Hesham R., et al.
(författare)
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Essential oil analysis of Micromeria nubigena HBK and its antimicrobial activity
- 2008
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Ingår i: The journal of essential oil research. - 1041-2905 .- 2163-8152. ; 20:5, s. 452-456
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Tidskriftsartikel (refereegranskat)abstract
- Water-distilled essential oil from leaves and flowers of Micromeria nubigena H.B.K. (Lamiaceae) were analyzed by GC and GUMS systems. The major components identified were thymol (36.9%), carvacrol (16.7%), pulegone (10.8%), caryophyllene oxide (4.6%) and (E)-phytol (3.2%). The major volatiles released by beta P-glucosidase treatment of the aqueous plant residue were (Z)-3-hexenol (31.2%), (4-2-hexenol (18.3%) and delta-cadinene (3.4%). The oil showed significant antibacterial activity against Staphylococcus aureus, Escherichia coli, Klebsiella pneumonia, and Pseudomonas aeruginosa, and antifungal activity against Candida albicans, Botrytis cinerea and Aspergillus niger, while the beta-glucosidase-liberated fraction was inactive.
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