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 4

The content of p-cymene, thymol, neryl acetate, and β-caryophyllene in different parts of Eupatorium fortunei Turcz.

Harvest date	p-Cymene (μg·g^−1)		Thymol (μg·g^−1)			Neryl acetate (μg·g^−1)		β-Caryophyllene (μg·g^−1)
	Leaf	Stem	Leaf	Stem	Root	Leaf	Stem	Leaf
April 15	—	1.80 ± 0.008c	39.19 ± 0.056g	19.10 ± 1.729a	—	—	40.94 ± 0.182a	—
May 1	1.51 ± 0.056g	1.85 ± 0.051c	46.51 ± 1.160g	13.00 ± 0.139b	—	—	—	13.36 ± 2.611e
May 15	—	2.70 ± 0.129bc	43.80 ± 0.406g	13.41 ± 0.410b	—	—	22.15 ± 6.623bc	—
June 1	7.22 ± 0.013e	3.77 ± 0.278bc	59.04 ± 1.227f	—	32.60 ± 0.409a	—	—	—
June 15	15.63 ± 0.325c	3.43 ± 0.310bc	86.68 ± 4.316c	—	5.56 ± 0.551c	48.58 ± 0.951c	—	105.55 ± 8.190b
July 1	10.73 ± 0.832d	5.20 ± 0.060ab	78.25 ± 1.503d	—	12.07 ± 0.554b	54.69 ± 2.065b	26.41 ± 0.266b	144.21 ± 1.365a
July 15	25.25 ± 2.600a	5.06 ± 0.170ab	68.32 ± 1.462e	—	5.64 ± 0.504c	59.90 ± 1.006a	37.42 ± 1.648a	96.55 ± 1.316b
August 1	20.93 ± 1.012b	5.25 ± 0.345ab	74.21 ± 3.726de	—	5.42 ± 0.547c	28.11 ± 0.149d	32.38 ± 4.046ab	67.45 ± 6.657c
August 15	8.11 ± 0.398e	5.90 ± 0.659a	113.77 ± 4.040b	—	5.49 ± 0.450c	—	—	20.31 ± 0.188e
September 1	5.06 ± 0.267f	4.18 ± 0.279ab	20.81 ± 0.688h	—	—	17.86 ± 0.452e	—	36.42 ± 1.665d
September 15	21.61 ± 0.006b	2.20 ± 0.173c	132.21 ± 3.169a	—	—	44.38 ± 1.773c	—	137.05 ± 2.760a
October 1	7.49 ± 0.308e	2.62 ± 0.279bc	40.76 ± 3.921g	—	—	13.77 ± 2.600ef	16.64 ± 4.196c	—
October 15	7.79 ± 0.180e	3.98 ± 0.166b	78.68 ± 0.573d	—	—	14.11 ± 1.807ef	12.51 ± 0.115c	—
November 1	3.48 ± 0.087f	1.79 ± 0.034c	63.24 ± 3.444ef	5.48 ± 0.043c	—	—	—	—

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