Correlation between Chemical Composition of Curcuma domestica and Curcuma xanthorrhiza and Their Antioxidant Effect on Human Low-Density Lipoprotein Oxidation

Table 1

Chemical constituents of the rhizome oils of Curcuma domestica and Curcuma xanthorrhiza.

Compound	Percentage		RI	Method of identification
	C. domestica	C. xanthorrhiza
𝛼-Thujene	—	tr	931	a, b
𝛼-Pinene	—	0.3	940	a, b, c
Camphene	—	0.7	956	a, b, c
𝛽-Pinene	—	0.1	976	a, b, c
Cis-Pinane	—	0.1	986	a
Myrcene	—	0.1	991	a, b, c
𝛼-Phellandrene	1.1	tr	1009	a, b, c
𝛼-Terpinene	0.2	0.1	1016	a, b, c
p-Cymene	0.2	—	1029	a, b, c
1,8-Cineole	0.3	0.1	1034	a, b, c
(𝑍)-𝛽-Ocimene	—	0.1	1037	a, b, c
𝛾-Terpinene	—	tr	1063	a, b, c
Terpinolene	0.3	—	1090	a, b, c
6,7-Epoxymyrcene	—	tr	1093	a
Camphor	—	5.4	1156	a, b, c
Cis-dehydro-𝛽-terpineol	—	0.3	1160	a, b
𝛼-Terpineol	—	0.3	1167	a, b, c
Terpinen-4-ol	—	0.2	1177	a, b, c
Ethyl-4E-octenoate	—	0.1	1187	a
Dihydro citronellol acetate	—	0.1	1321	a
𝛼-Cubebene	—	0.1	1351	a, b
(𝑍)-𝛽-Damascenone	—	0.1	1364	a
n-Undecanol	—	tr	1370	a, b
Geranyl acetate	2.5	tr	1382	a, b, c
𝛽-Cubebene	—	tr	1388	a, b
𝛽-Elemene	1.5	—	1389	a, b
Methyl perillate	—	0.1	1394	a
(Z)-Isoeugenol	—	0.2	1407	a, b, c
𝛼-Cis-bergamotene	0.9	0.6	1414	a, b
Methyl undecanoate	—	0.1	1428	a
𝛽-Humulene	—	0.1	1439	a, b, c
(Z)-𝛽-Farnesene	—	0.2	1443	a, b
(E)-caryophyllene	0.3	—	1444	a, b, c
𝛾-elemene	—	0.4	1448	a, b
(E)-𝛽-farnesene	0.2.0	1.2	1457	a, b
𝛼-Humulene	0.1	—	1460	a
(E)-Ethyl cinnamate	—	tr	1467	a, b, c
Ar-Curcumene	1.2	13.2	1493	a, b, c
𝛾-Curcumene	0.4	2.6	1481	a, b
𝛽-Bisabolene	0.2	0.6	1505	a, b
Zingiberene	1.7	—	1506	a, b, c
(Z)-𝛾-Bisabolene	—	2.6	1516	a, b
𝛽-Curcumene	0.8	17.1	1523	a, b, c
𝛽-Sesquiphellandrene	1.9	0.4	1538	a, b
1,10-Decanediol	—	0.4	1549	a, b
(Z)-Isoeugenol acetate	0.3	1.2	1567	a, b
Ar-Turmerol	0.3	—	1571	a, b, c
Caryophyllene oxide	0.3	0.5	1581	a, b, c
Thujopsan-2-𝛼-ol	—	0.3	1587	a
Ar-Dihydro-turmerone	1.0	—	1592	a, b
Sesquithuriferol	—	0.2	1605	a
Geranyl isovalerate	0.3	—	1607	a
1,10-Di-epi-cubenol	—	0.4	1619	a
(Z)-Dihydromyrcene-1,6-diol	3.6	—	1621	a, b
10-Epi-𝛾-eudesmol	0.4	—	1624	a
Citronellyl pentanoate	—	5.7	1626	a, b
1-Epi-cubenol	0.8	—	1629	a
𝛾-Eudesmol	0.2	—	1632	a, b
Cis-cadin-4-en-7-ol	—	0.8	1637	a
Hinesol	0.4	—	1642	a, b
Cubenol	0.3	0.5	1647	a, b
𝛽-Eudesmol	1.3	—	1651	a, b
𝛼-Eudesmol	—	0.8	1654	a, b
(E)-Dihydromyrcene-1,6-diol	1.3	—	1655	a, b
(E)-Amyl cinnamic alcohol	—	0.7	1661	a
14-Hydroxy-9-epi-(E)-caryophyllene	0.4	—	1670	a
(E)-citronellyl tiglate	—	0.9	1668	a
𝛽-Bisabolol	—	3.5	1687	a, b
Ar-Turmerone	45.8	—	1689	a, b, c
Ar-Curcumen-15-al	—	0.8	1712	a
14-Hydroxy-𝛼-humulene	0.2	—	1714	a
1-Phenyl-hepta-1,3,5-triyne	—	0.3	1721	a
Curcumenol	18.2	—	1724	a, b
4-Hydroxy-3-methoxy-cinnamaldehyde	—	0.9	1728	a
Zerumbone	1.4	—	1730	a, b, c
Chamazulene	—	0.3	1732	a
(𝐸,𝑍)-Farnesol	—	0.1	1745	a, b
𝛼-Bisabolol oxide A	—	0.2	1749	a
𝛼-Amyl-cinnamyl acetate	0.2	—	1758	a
𝛽-Bisabolen-12-ol	0.3	—	1762	a
𝛾-Curcumen-15-al	1.1	—	1767	a, b
Xanthorrhizol	—	31.9	1768	a, b, c
𝛾-Eudesmol acetate	1.6	—	1782	a, b
Butyl dodecanoate	—	0.2	1786	a
8-Cedren-14-ol acetate	0.8	—	1789	a, b
𝛼-Eudesmol acetate	2.3	—	1795	a, b
Total	96.3	97.7

Percentages were calculated on the basis of results obtained on column DB 5; RI: retention index; a: retention index; b: mass fragmentation; c: co-chromatography with authentic samples.