Essential Oil Content of the Rhizome of Curcuma purpurascens Bl. (Temu Tis) and Its Antiproliferative Effect on Selected Human Carcinoma Cell Lines

Table 1

Chemical composition of the essential oil of temu tis’ rhizomes.

Number	Compounds	Arithmetic indices (AI)		Percentage of peak area	Methods of identification
		Calculated	Literature [13]
1	1,8-Cineole	1031	1026	3.3	MS, AI
2	Camphor	1144	1141	4.0	MS, AI
3	Borneol	1166	1165	0.3	MS, AI
4	Terpinen-4-ol	1178	1174	0.3	MS, AI
5	p-Cymen-8-ol	1184	1179	0.2	MS, AI
6	-Terpineol	1191	1186	0.8	MS, AI
7	Thymol	1293	1289	0.1	MS, AI
8	-Elemene	1339	1335	0.2	MS, AI
9	Piperitenone	1342	1340	0.7	MS, AI
10	β-Elemene	1393	1389	1.2	MS, AI
11	cis--Bergamotene	1416	1411	0.1	MS, AI
12	trans-Caryophyllene	1421	1417	1.8	MS, AI
13	-Elemene	1435	1434	1.6	MS, AI
14	Aromadendrene	1441	1439	0.1	MS, AI
15	α-Humulene	1455	1452	0.1	MS, AI
16	trans-β-Farnesene	1458	1454	0.2	MS, AI
17	-Muurolene	1478	1478	0.5	MS, AI
18	ar-Curcumene	1484	1479	2.6	MS, AI
19	-Selinene	1488	—	1.3	MS
20	Curzerene	1500	1499	5.8	MS, AI
21	-Bisabolene	1510	1505	0.4	MS, AI
22	-Sesquiphellandrene	1526	1521	2.7	MS, AI
23	Selina-3,7(11)-diene	1544	1545	0.6	MS, AI
24	Germacrene-B	1561	1559	8.8	MS, AI
25	ar-Turmerol	1580	1580	3.3	MS, AI
26	Guaiol	1595	1600	0.3	MS, AI
27	trans--Elemenone	1607	1602	2.5	MS, AI
28	-Eudesmol	1633	1630	0.7	MS, AI
29	-Eudesmol	1637	—	0.7	MS
30	Atractylone	1654	1657	0.6	MS, AI
31	ar-Turmerone	1671	1668	9.4	MS, AI
32	Turmerone	1675	—	13.5	MS
33	Germacrone	1702	—	13.2	MS
34	Curlone	1705	—	6.2	MS
		Total rhizome oil =		88.1%

Remarks: MS: mass spectroscopy [11]; AI: arithmetic indices [13].