Table 1.

GC-MS identified compounds in A. rosea essential oil

Compound	Mean Area (%) ± SEM	Retention Index (RI)	Group (Tukey’s HSD)
Monoterpenes & Oxygenated Derivatives
α-Pinene	0.79 ± 0.03	940	c
Camphene	2.48 ± 0.10	953	b
β-Pinene	1.27 ± 0.05	970	c
Myrcene	0.73 ± 0.02	979	c
Cymene	1.50 ± 0.04	1025	c
Limonene	0.65 ± 0.03	1028	c
Cineole	1.76 ± 0.06	1030	c
β-Phellandrene	0.78 ± 0.03	1033	c
Linalool	2.67 ± 0.12	1098	b
Carveol	0.80 ± 0.03	1138	c
Verbenone	0.98 ± 0.04	1204	c
Thymol	2.96 ± 0.15	1291	b
Undecanone	0.73 ± 0.03	1293	c
Carvacrol	12.80 ± 0.32	1297	a
Sesquiterpenes & Related Compounds
β-Elemene	2.66 ± 0.13	1392	b
Eugenol	2.33 ± 0.11	1411	b
α-Copaene	1.72 ± 0.08	1411	c
β-Caryophyllene	5.89 ± 0.19	1417	b
Germacrene	18.43 ± 0.50	1483	a
Valencene	2.78 ± 0.13	1493	b
Cadinene	3.02 ± 0.15	1513	b
Spathulenol	3.66 ± 0.17	1577	b
α-Muurolol	3.75 ± 0.19	1647	b
α-Cadinol	1.43 ± 0.06	1654	c
Fatty Acid Esters & Hydrocarbons
Hexadecanoic acid methyl ester	1.82 ± 0.08	1962	c
Eicosane	2.35 ± 0.11	2000	b
Octadecanoic acid methyl ester	14.43 ± 0.45	2124	a
Total identified compounds (%)	99.9 ± 0.02		-
Different letters in the Statistical Grouping column indicate statistically significant differences (p < 0.05) based on Tukey’s HSD test