Quantitative Determination of p-Cymene, Thymol, Neryl Acetate, and β-Caryophyllene in Different Growth Periods and Parts of Eupatorium fortunei Turcz. by GC-MS/MS

Table 3

Investigation of extraction conditions.

	p-Cymene	Thymol	Neryl acetate	β-Caryophyllene
Extraction method (μg·g^−1)
Ultrasonic	3.67 ± 0.079	96.98 ± 0.759	47.49 ± 1.390	58.70 ± 0.642
Reflux	2.96 ± 0.137	77.59 ± 0.461	30.82 ± 0.227	10.49 ± 0.661
Extraction duration (μg·g^−1)
15 min	2.07 ± 0.040c	61.60 ± 0.632d	42.22 ± 0.651d	28.53 ± 0.449d
30 min	3.67 ± 0.079b	96.98 ± 0.759c	47.49 ± 1.390c	58.70 ± 0.642c
45 min	4.01 ± 0.079a	107.06 ± 1.937b	60.16 ± 0.940b	65.36 ± 1.282b
60 min	4.12 ± 0.139a	111.80 ± 2.317a	67.32 ± 0.659a	70.64 ± 1.906a

Data are presented as mean ± standard deviation. Values with the same letter within each column are not significantly different ().