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             and terpene alcohol are found to be the most common  Acknowledgement
             constituents in oil samples, with some variation in their  The first author would like to thank the Graduate
             contents.                                          School and Faculty of Pharmaceutical Sciences, Khon
                 Linalool and 2-methyl butanoic acid were the two  Kaen University, Thailand, for its financial support for
             major components in oil samples obtained from steam  the conduct of the present study.
             distillation and hexane extraction (66.92 and 33.01% in
             content, respectively).  Linalool was also found in high
             content in the oil sample obtained from hexane extrac-
             tion (28.92%). Indole was a major compound found in
             the oil sample obtained from the oil produced by the  References
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