Effects of Ultrasound Technique on the Composition of Different Essential Oils

Table 8

Changes in the chemical composition in solutions of rosemary oil.

Compound	IR	Chemical composition of essential oil (mg/ml)
		Alcohol solutions					Hexane solutions
		A	B	C	D	K	A	B	C	D	K
Pinene <alpha->	939	6.31^a	6.30^a	6.45^a	6.27^a	6.32^a	7.13^a	7.30^a	7.28^a	7.32^a	6.98^a
Camphene	953	5.22^a	5.22^a	5.33^a	5.21^a	5.26^a	5.69^a	5.83^a	5.77^a	5.74^a	5.75^a
Pinene <beta->	981	3.76	3.74	3.77	3.73	3.72	4.29	4.34	4.37	4.31	4.27
Myrcene	994	1.86	1.87	1.91	1.89	1.89	2.5	2.56	2.53	2.45	2.41
Phellandrene <alpha->	1008	0.64	0.63	0.64	0.64	0.63	0.63	0.65	0.65	0.64	0.63
Terpinene <alpha->	1020	0.55	0.54	0.57	0.55	0.55	0.42	0.44	0.43	0.43	0.42
Cymene <ortho->	1028	5.69^a	5.28^a	5.35^a	4.46^a	6.01^a	7.09^a	6.99^a	6.53^a	6.32^a	5.59^a
Cineole <1,8->	1033	20.31^a	20.13^a	20.75^a	20.39^a	20.38^a	19.54^a	19.16^a	19.06^a	19.22^a	19.47^a
Terpinene <gamma->	1060	2.17	2.17	2.18	2.18	2.05	2.12	2.15	2.15	2.11	2.21
Linalool	1099	6.24^a	6.23^a	6.29^a	6.37^a	6.06^a	6.02^a	5.95^a	6.08^a	6.03^a	6.22^a
Pinene oxide <alpha->	1103	0.36	0.35	0.36	0.36	0.35	0.36	0.37	0.37	0.36	0.38
Camphor	1146	13.80^a	13.75^a	13.92^a	13.93^a	13.61^a	12.94^a	12.70^a	13.02^a	12.85^a	13.36^a
Isoborneol	1159	2.53	2.53	2.52	2.57	2.49	2.25	2.26	2.24	2.22	2.33
Borneol	1169	3.73	3.69	3.74	3.78	3.70	3.83	3.55	3.77	3.62	3.91
Terpineol <alpha->	1190	2.87	2.79	2.83	2.90	2.83	2.84	2.87	2.86	2.86	2.99
Terpineol <gamma->	1203	1.47	1.46	1.47	1.50	1.42	1.25	1.27	1.23	1.23	1.29
Carvone	1243	0.82	0.81	0.82	0.85	0.79	0.76	0.78	0.77	0.77	0.79
Isobornyl acetate	1287	2.50	2.44	2.49	2.53	2.43	2.37	2.39	2.35	2.36	2.44
Caryophyllene <E->	1420	8.38^a	8.26^a	7.84^a	9.06^a	7.86^a	7.06^a	7.25^a	7.12^a	7.19^a	7.51^a

Designation according to Table 1. IR: retention indices (from temperature programming, using the definition of Van den Dool and Kratz [17]). Values designated with the same superscript letters for the dominant compound do not significantly differ at 5% error (Duncan’s test).