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Table 2 Changes in EO constituents of various plant residues

From: Exploitation of sweet lemon residues in the production of essential oils

No EO constituents (%) RI Fractions Leaves Flowers Peels F values
Mean SD Mean SD Mean SD
1 α-Thujene 931 MH 0.3 ± 0.1 0.1 ± 0.0 1.1 ± 0.1 126.1**
2 α-Pinene 939 MH 0.4 ± 0.1 1.6 ± 0.2 0.2 ± 0.1 86.1**
3 Camphene 953 MH 0.4 ± 0.1 0.1 ± 0.0 0.1 ± 0.0 27.0**
4 Sabinene 976 MH 0.5 ± 0.1 0.6 ± 0.1 1.8 ± 0.2 78.5**
5 β-Pinene 980 MH 0.3 ± 0.1 1.6 ± 0.2 0.3 ± 0.1 112.5**
6 Myrcene 991 MH 3.8 ± 0.2 2.8 ± 0.2 0.7 ± 0.2 187.8**
7 α-Phellandrene 1005 MH 0.3 ± 0.2 0.1 ± 0.0 0.7 ± 0.2 9.9**
8 Δ-3-carene 1011 MH 0.2 ± 0.1 1.4 ± 0.4 0.4 ± 0.1 20.7**
9 α-Terpinene 1018 MH 0.2 ± 0.1 1.4 ± 0.4 0.1 ± 0.0 27.7**
10 p-Cymene 1026 MH 0.3 ± 0.1 0.4 ± 0.1 0.1 ± 0.0 22.8**
11 Limonene 1031 MH 13.8 ± 0.2 12.5 ± 0.5 72.5 ± 0.5 19,576.1**
12 Cis-β-Ocimene 1040 MH 3.7 ± 0.3 0.6 ± 0.1 0.3 ± 0.1 289.9**
13 γ-Terpinene 1062 MH 0.4 ± 0.1 0.9 ± 0.1 0.7 ± 0.2 14.1**
14 α-Terpinolene 1088 MH 0.3 ± 0.1 0.6 ± 0.1 0.6 ± 0.1 9.1*
15 Cis-Sabinene hydrate 1097 OM 0.5 ± 0.1 0.9 ± 0.1 0.1 ± 0.0 72.0**
16 Linalool 1098 OM 11.1 ± 0.1 0.8 ± 0.2 1.6 ± 0.1 4924.5**
17 Isopulegol 1145 OM 0.1 ± 0.0 0.1 ± 0.0 0.2 ± 0.1 3.0ns
18 Citronellal 1153 OM 51.1 ± 0.1 0.2 ± 0.1 1.9 ± 0.1 250,717.0**
19 Terpinen-4-ol 1177 OM 0.3 ± 0.1 0.1 ± 0.0 0.3 ± 0.1 6.1ns
20 α-Terpineol 1189 OM 0.4 ± 0.1 0.4 ± 0.1 1.1 ± 0.1 49.1**
21 Decanal 1204 OM 0.1 ± 0.0 0.1 ± 0.0 0.1 ± 0.0 5.2ns
22 Citronellol 1228 OM 4.9 ± 0.1 0.4 ± 0.1 2.1 ± 0.1 1549.0**
23 Nerol 1228 OM 0.4 ± 0.1 53.9 ± 0.1 0.1 ± 0.0 431,758.5**
24 Cis-Carveol 1229 OM 0.2 ± 0.1 0.1 ± 0.0 0.1 ± 0.0 3.0ns
25 Citral 1240 OM 0.1 ± 0.0 1.1 ± 0.1 1.2 ± 0.2 66.6**
26 Geranial 1270 OM 0.3 ± 0.1 1.6 ± 0.4 0.6 ± 0.2 19.9**
27 Thymol 1290 OM 0.4 ± 0.1 0.5 ± 0.1 0.8 ± 0.2 6.5*
28 Cis-Limonene oxide 1294 OM 0.4 ± 0.1 0.1 ± 0.0 0.9 ± 0.1 73.5**
29 Citronellyl acetate 1354 OM 0.1 ± 0.0 0.1 ± 0.0 0.1 ± 0.0 5.2ns
30 Neryl acetate 1365 OM 0.2 ± 0.1 0.1 ± 0.0 0.1 ± 0.0 3.0ns
31 Geranyl acetate 1383 OM 0.5 ± 0.1 0.9 ± 0.1 0.9 ± 0.1 16.0**
32 β-Humulene 1440 SH 0.3 ± 0.1 0.1 ± 0.1 0.3 ± 0.1 36.0**
33 α-Caryophyllene 1454 SH 0.3 ± 0.1 0.6 ± 0.1 0.8 ± 0.2 9.5**
34 β-Selinene 1485 SH 0.2 ± 0.1 0.4 ± 0.1 1.1 ± 0.1 67.0**
35 Germacrene D 1490 SH 0.5 ± 0.1 0.4 ± 0.1 0.4 ± 0.1 1.0ns
36 β-Bisabolene 1509 SH 0.3 ± 0.1 0.3 ± 0.1 1.7 ± 0.3 53.5**
37 β-Nerolidol 1546 OS 0.3 ± 0.1 10.3 ± 0.3 0.1 ± 0.0 3061.2**
38 Spathulenol 1576 OS 0.4 ± 0.1 0.1 ± 0.0 0.1 ± 0.0 27.0**
39 Caryophyllene oxide 1581 OS 0.5 ± 0.1 0.2 ± 0.1 1.8 ± 0.4 20.4**
40 α-Eudesmol 1652 OS 0.2 ± 0.1 0.3 ± 0.1 0.6 ± 0.1 13.0**
41 α-Bisabolol 1683 OS 0.2 ± 0.1 0.4 ± 0.1 0.5 ± 0.1 7.0*
42 Ѐ,Ѐ-Farnesol 1722 OS 0.1 ± 0.0 0.1 ± 0.0 0.2 ± 0.1 3.0ns
  1. Note: Under table, *P < 0.05 = significant; **P < 0.01 = highly significant; nsinsignificant. Values are given as Mean ±SD