Table 2.

Contents (μg/g) of five sesquiterpenes in a variety of species of Ezhu and Yujin.

Samples no.	Content(μg/g)
	α-pinene	β-elemene	Curcumol	Germacrone	Curdione
1	0.28	1.82	5.68	12.08	28.72
2	0.62	4.08	7.28	15.45	4.56
3	0.03	1.56	40.79	10.55	13.25
4	0.33	5.60	57.02	18.99	–
5	0.20	2.17	15.26	14.93	185.18
6	0.60	1.99	16.13	5.72	38.63
7	0.05	6.15	43.17	30.81	–
8	0.07	8.88	33.70	21.56	–
9	0.01	1.23	24.61	7.42	11.89
10	0.27	2.26	10.16	17.13	255.12
11	0.09	1.11	6.35	6.56	5.68
12	0.02	0.48	0.97	–	7.74
13	0.01	0.53	0.83	–	4.27
14	0.03	0.50	0.97	–	3.51
15	0.07	0.71	1.17	–	2.20
16	0.45	9.68	12.14	48.27	33.90

Numbers 1–2 are Ezhu from Yunan Province, 3–8 from Sichuan Province, 10 from Guangxi Province and 11–12 are Ezhu purchased from Leiyunshang (Shanghai, China). Numbers 13–15 are Yujin from Sichuan Province and 16 is Yujin purchased from Leiyunshang (Shanghai, China).