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Comparison of Compositions and Antimicrobial Activities of Essential Oils from Chemically Stimulated Agarwood, Wild Agarwood and Healthy Aquilaria sinensis (Lour.) Gilg Trees

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Author(s): Huaiqiong Chen | Yun Yang | Jian Xue | Jianhe Wei | Zheng Zhang | Hongjiang Chen

Journal: Molecules
ISSN 1420-3049

Volume: 16;
Issue: 6;
Start page: 4884;
Date: 2011;
Original page

Keywords: Aquilaria sinensis (Lour.) Gilg | healthy trees | agarwood | essential oil | GC-MS | antimicrobial activity

ABSTRACT
The composition and antimicrobial activity of the essential oils which were obtained from agarwood originated from Aquilaria sinensis (Lour.) Gilg stimulated by the chemical method (S1) were characterized, taking wild agarwood (S2) and healthy trees (S3) respectively as the positive and negative controls. The chemical composition of S1 was investigated by gas chromatography-mass spectrometry (GC-MS). The essential oil of S1 showed a similar composition to that of S2, being rich in sesquiterpenes and aromatic constituents. However, the essential oil of S3 was abundant in fatty acids and alkanes. Essential oils of S1 and S2 had better inhibition activities towards Bacillus subtilis and Staphyloccus aureus, compared with essential oil of S3. Escherichia coli was not sensitive to any of them.

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