Synergistic Interaction between Boesenbergia rotunda (L.) Mansf. Essential Oil and Cloxacillin on Methicillin-Resistant Staphylococcus aureus (MRSA) Inhibition

Table 1

Chemical constituents present in B. rotunda essential oil.

Retention time (RT) (min)	Peak name	% area
9.502	Tricyclene	0.16
9.872	alpha-Thujene	0.01
10.164	alpha-Pinene	0.65
10.969	Camphene	4.45
12.565	beta-Pinene	0.11
13.745	beta-Myrcene	1.00
14.380	alpha-Phellandrene	0.04
15.180	alpha-Terpinene	0.05
16.113	Eucalyptol	8.99
16.877	trans-beta-Ocimene	3.92
17.783	beta-Ocimene	36.73
18.108	gamma-Terpinene	0.06
19.987	Terpinolene	0.15
21.166	beta-Linalool	1.01
23.807	Camphor	14.98
24.000	Camphene hydrate	0.36
24.665	Isoborneol	0.04
25.320	endo-Borneol	0.28
26.091	4-Terpineol	0.13
27.126	alpha-Terpineol	0.43
32.157	trans-Geraniol	25.29
32.716	alpha-Citral	0.15
39.831	Methyl cinnamate	1.01
51.294	Caryophyllene oxide	0.01
Total		100.00

The high value of chemical constituents is represented by bold values.