Effects of Ultrasound Technique on the Composition of Different Essential Oils

Table 9

Changes in chemical composition of standard solutions.

Compound	IR	Concentration (mg/ml)
		Alcohol solutions					Hexane solutions
		A	B	C	D	K	A	B	C	D	K
Limonene	1030	1.46^a	1.45^a	1.51^a	1.48^a	1.49^a	1.48^a	1.47^a	1.50^a	1.51^a	1.46^a
Cineole <1,8->	1033	1.47^a	1.51^a	1.47^a	1.49^a	1.51^a	1.52^a	1.53^a	1.54^a	1.47^a	1.49^a
Terpinene <gamma->	1060	1.46^a	1.46^a	1.51^a	1.55^a	1.52^a	1.47^a	1.45^a	1.48^a	1.53^a	1.54^a
Linalool	1099	1.45^a	1.45^a	1.48^a	1.51^a	1.49^a	1.50^a	1.48^a	1.47^a	1.49^a	1.50^a
Menthone	1155	1.50^a	1.47^a	1.46^a	1.48^a	1.45^a	1.46^a	1.50^a	1.47^a	1.53^a	1.47^a

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