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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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