Chemical composition and antimicrobial activity of Rosmarinus officinalis L. oils from Sardinia and Corsica

A detailed analysis of Rosmarinus officinalis L. essential oil from Sardinia and Corsica (α‐pinene/verbenone/bornyl acetate chemotype) was carried out using GC–RI, GC–MS and 13C‐NMR, on the bulk sample or after repeated chromatography. Fifty‐eight compounds were identified. The antimicrobial activit...

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Bibliographic Details
Published in:Flavour and fragrance journal 2002-01, Vol.17 (1), p.15-19
Main Authors: Pintore, Giorgio, Usai, Marianna, Bradesi, Pascale, Juliano, Claudia, Boatto, Gianpiero, Tomi, Félix, Chessa, Mario, Cerri, Riccardo, Casanova, Joseph
Format: Article
Language:English
Subjects:
13C-NMR
a-Pinene
antimicrobial activity
Applied sciences
Biological and medical sciences
Bornyl acetate
Chemical industry and chemicals
essential oil composition
Essential oils, perfumes
Exact sciences and technology
GC-MS
General pharmacology
Medical sciences
Pharmacognosy. Homeopathy. Health food
Pharmacology. Drug treatments
Rosmarinus officinalis
Rosmarinus officinalis L
Verbenone
Washing products. Cosmetics and toiletries. Perfumes
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Summary:A detailed analysis of Rosmarinus officinalis L. essential oil from Sardinia and Corsica (α‐pinene/verbenone/bornyl acetate chemotype) was carried out using GC–RI, GC–MS and 13C‐NMR, on the bulk sample or after repeated chromatography. Fifty‐eight compounds were identified. The antimicrobial activity of two Sardinian samples was investigated and both exhibited a moderate antibacterial activity. Gram‐positive bacteria were more sensitive (MIC 2.5–4 mg/ml) than Gram‐negative bacteria. Killing time experiments demonstrated that prolonged times (60 min) are needed to completely inactivate the bacterial inoculum. Copyright © 2001 John Wiley & Sons, Ltd.
ISSN:0882-5734
1099-1026
DOI:10.1002/ffj.1022