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- Title
Chemical constituents and antimicrobial activities of the essential oil of Acroptilon repens (L.) DC.
- Authors
Norouzi-Arasi, Hassan; Yavari, Issa; Chalabian, Firoozeh; Kiarostami, Vahid; Ghaffarzadeh, Fatimeh; Nasirian, Abdolhamid
- Abstract
The volatile oil from the aerial parts of Acroptilon repens (L.) DC. (Russian knapweed) growing wild in Iran was investigated by GC and GC-MS. Twenty-two components, representing 84.0% of the oil, were identified. The main constituents of the oil were caryophyllene oxide (36.6%), α-copaene (15.6%), β-caryophylene (10.0%) and β-copaene-4- α-ol (5.0%). In addition, the oil was assayed against six Gram-positive and Gram-negative bacteria by measuring the growth inhibitory zone. The oil of A. repens inhibited the growth of Gram-positive bacteria. Staphylococcus saprophyticus and Staphylococcus epidermidis showed strong inhibition zones, while Staphylococcus aureus showed a lower inhibition. The Gram-negative bacteria were insensitive to the oil. Copyright © 2005 John Wiley & Sons, Ltd.
- Publication
Flavour & Fragrance Journal, 2006, Vol 21, Issue 2, p247
- ISSN
0882-5734
- Publication type
Article
- DOI
10.1002/ffj.1568