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. 2021 Jun 15;26(12):3652. doi: 10.3390/molecules26123652

Table 2.

Chemical composition of R. albiflorum essential oils (%) isolated from flowers (REOFl) and leaves (REOLv) a.

No RRI Compound REOLv REOFl N° RRI Compound REOLv REOFl
1 1032 α-Pinene t 1.2 33 1612 β-Caryophyllene 0.4
2 1076 Camphene t 0.1 34 1650 γ-Elemene 2.4 0.6
3 1118 β-Pinene t 1.1 35 1661 Alloaromadendrene t
4 1132 Sabinene 0.9 36 1662 Pulegone t
5 1174 Myrcene 1.2 37 1668 (Z)-β-Farnesene t
6 1176 α-Phellandrene 0.6 38 1687 α-Humulene 0.9
7 1188 α-Terpinene 0.4 39 1704 γ-Curcumene 0.4
8 1203 Limonene t 14.2 40 1719 Borneol 1.1
9 1218 β-Phellandrene 8.9 41 1726 Germacrene D 0.5
10 1246 (Z)-β-Ocimene 6.5 42 1742 β-Selinene t
11 1255 γ-Terpinene 7.1 43 1744 α-Selinene t
12 1266 (E)-β-Ocimene 3.4 44 1755 Bicyclogermacrene 8.9 0.4
13 1280 p-Cymene 2.8 45 1786 ar-Curcumene 0.6
14 1290 Terpinolene t 37.7 46 1815 2-Tridecanone 0.5
15 1382 cis-Alloocimene 0.5 47 1854 Germacrene B 6.8
16 1398 2-Nonanone t 48 1886 Curzerene 17.8 2.2
17 1437 α-Thujone t 49 2050 (E)-Nerolidol 0.2
18 1443 2,5-Dimethylstyrene 0.4 50 2096 Elemol 1.4
19 1451 β-Thujone 1.2 51 2104 Viridiflorol 22.0 1.2
20 1477 4,8-Epoxyterpinolene 0.9 52 2106 β-Elemenone 5.3 1.7
21 1479 δ-Elemene t 53 2144 Spathulenol 14.4 0.3
22 1495 Bicycloelemene t 54 2147 Germacrone 3.3
23 1528 α-Bourbonene t 55 2198 Thymol 0.3
24 1535 β-Bourbonene t 56 2199 Alismol 1.3
25 1536 Italicene t 57 2203 β-Eudesmol 0.3
26 1541 Benzaldehyde t 58 2219 Porosadienol 0.6
27 1545 cis-α-Bergamotene t 59 2217 Alismol isomer 1.2
28 1553 Linalool 0.5 60 2368 Eudesma-4(15),7-diene-1-β-ol t
29 1590 Bornyl acetate 0.6 0.2
30 1600 β-Elemene 2.2 61 2400 Tetracosane 0.5
31 1604 2-Undecanone 0.2 62 2500 Pentacosane 0.9
32 1611 Terpinen-4-ol 0.8 63 2656 Furanoeremophil-1-one t

a The data are presented as relative % for each component that was identified in REOFl and REOLv. RRI, relative retention index calculated on the basis of retention of n-alkanes; %, calculated from flame ionization detector data. Trace amounts (t) were present at <0.1%. All other compounds were identified by comparison with co-injected standards. Major component compounds (>2%) are indicated in bold.