. 2022 Oct 29;27(21):7356. doi: 10.3390/molecules27217356

Table 2.

Essential oil composition of citral chemotype C. camphora and C. bodinieri.

No	RI ^a (lit)	RI ^b (exp)	Compounds ^c	Molecular Formula	Percent Composition
No	RI ^a (lit)	RI ^b (exp)	Compounds ^c	Molecular Formula	N1	N2	N3	N4	N5	N6	N7
1	972	975	sabinene	C₁₀H₁₆	-	6.0	-	-	-	-	-
2	981	978	β-Pinene	C₁₀H₁₆	-	-	0.4	0.3	-	-	-
3	1026	1025	limonene	C₁₀H₁₆	-	-	-	-	-	-	0.2
4	1030	1029	eucalyptol	C₁₀H₁₈O	1.1	4.5	0.1	-	-	-	-
5	1101	1098	linalool	C₁₀H₁₈O	-	2.0	-	-	-	-	0.3
6	1158	1156	citronellal	C₁₀H₁₈O	-	-	-	-	-	-	1.5
7	1165	1165	Z-isocitral	C₁₀H₁₆O	3.2	3.2	3.1	-	-	1.8	-
8	1184	1179	E-isocitral	C₁₀H₁₆O	3.8	3.5	3.2	3.9	4.7	-	-
9	1227	1217	nerol	C₁₀H₁₈O	1.2	-	-	-	-	1.1	-
10	1245	1247	neral	C₁₀H₁₆O	28.7	28.6	32.6	30.7	34.1	39.2	34.6
11	1254	1244	geraniol	C₁₀H₁₈O	2.0	-	-	1.5	2.6	1.9	1.3
12	1276	1277	geranial	C₁₀H₁₆O	31.8	35.3	36.9	40.2	44.7	35.3	54.1
13	1355	1346	geranic acid	C₁₀H₁₆O₂	-	-	0.1	0.1	-	2.6	2.0
14	1354	1353	β-Citronellyl acetate	C₁₂H₂₂O₂	0.3	-	0.6	0.4	-	-	-
15	1362	1361	neryl acetate	C₁₂H₂₀O₂	-	-	0.3	-	-	-	-
16	1371	1370	α-copaene	C₁₅H₂₄	-	-	0.2	-	-	-	-
17	1388	1380	β-elemene	C₁₅H₂₄	0.3	0.2	-	-	-	-	-
18	1384	1383	geranyl acetate	C₁₂H₂₀O₂	0.6	0.1	4.1	0.8	-	-	-
19	1410	1403	caryophyllene	C₁₅H₂₄	1.9	1.6	2.2	1.0	2.4	-	0.6
20	1454	1454	humulene	C₁₅H₂₄	1.0	0.5	1.3	1.0	-	-	-
21	1480	1477	germacrene D	C₁₅H₂₄	0.3	0.3	0.2	0.3	-	0.3	-
22	1486	1484	β-selinene	C₁₅H₂₄	0.7	0.2	0.4	0.6	-	-	-
23	1495	1491	bicyclogermacrene	C₁₅H₂₄	2.2	2.8	0.8	2.1	2.6	0.7	-
24	1524	1518	delta-cadinene	C₁₅H₂₄	-	-	0.2	-	-	-	-
25	1537	1540	elemol	C₁₅H₂₆O	0.2	0.1	0.4	0.4	0.5	-	-
26	1550	1548	(1E,5E)-germacrene B	C₁₅H₂₄	0.1	0.1	0.1	0.1	-	-	-
27	1562	1557	(E)-nerolidol	C₁₅H₂₆O	0.2	0.1	0.3	1.6	1.5	-	-
28	1577	1571	10′-apocarotenal	C₁₅H₂₄O	2.9	-	3.9	0.9	0.6	2.8	-
29	1576	1572	spathulenol	C₁₅H₂₄O	0.4	3.2	0.5	0.3	-	0.3	-
30	1578	1574	caryophyllene oxide	C₁₅H₂₄O	2.7	-	0.1	1.1	0.8	-	-
31	1591	1587	guaiol	C₁₅H₂₆O	0.3	0.2	-	0.3	0.4	-	-
32	1593	1589	humulene oxide I	C₁₅H₂₄O	-	-	0.3	-	-	-	-
33	1606	1600	humulene epoxide II	C₁₅H₂₄O	1.2	0.2	1.5	1.4	-	0.2	-
34	1631	1624	caryophylla-4(12),8(13)-dien-5.alpha.-ol	C₁₅H₂₄O	0.1	-	-	-	-	-	-
35	1635	1635	τ-cadinol	C₁₅H₂₆O	-	-	0.2	-	-	-	-
36	1643	1645	τ-muurolol	C₁₅H₂₆O	-	0.3	-	-	-	-	-
37	1651	1647	selin-11-en-4-α-ol	C₁₅H₂₆O	0.5	-	0.7	-	-	0.3	-
38	1705	1705	(Z,Z)-2,6-farnesol	C₁₅H₂₆O	0.2	-	0.2	0.2	-	-	-
39	1709	1709	(Z)-epi-β-santalol	C₁₅H₂₄O	-	-	-	-	-	1.0	-
40	1720	1721	(E,Z)-2,6-farnesal	C₁₅H₂₄O	0.1	-	-	-	-	-	-
Amount of chemical compounds					27	21	28	22	11	13	8
Total identified constituents					88.0	93.0	94.9	89.2	94.9	87.5	94.6
Hydrocarbon monoterpenes (HM) 1,2,3.					0.0	6.0	0.4	0.3	0.0	0.0	0.2
Oxygenated monoterpenes (OM) 4,5,6,7,8,9,10,11,12,13.					71.7	77.2	75.9	76.4	86.1	81.8	93.7
Hydrocarbon sesquiterpenes (HS) 16,17,19,20,21,22,23,24,26.					6.4	5.6	5.1	5.0	5.0	1.0	0.6
Oxygenated sesquiterpenes (OS) 25,27,28,29,30,31,32,33,34,35,36,37,38,39,40.					8.8	4.2	8.0	6.1	3.7	4.5	0.0
Non-terpenic compounds (NT) 14,15,18.					0.9	0.1	0.6	1.2	0.0	0.0	0.0

Note: Table presents only the compounds for which the peak area exceeds 0.1% in chromatograms of the analyzed EOCC. a. RI (lit) refers to “Retention Index” found in the Wiley7n.l /NIST17.L library and the literature [29,30,31]; b. RI (exp) refers to “Retention Index” measured with respect to saturated alkanes standard; c. Compounds listed in the order of elution from a,—not detected.