No Compounds SD (%) MSD (%)
1 α-Pinene 0.67 0.55
2 β-Pinene 0.94 0.69
3 Myrcene 1.87 1.95
4 Limonene 93.39 92.42
5 δ-Carene 0.74 0.00
6 Cyclohexene 1.55 0.12
7 α-Terpineol 0.84 0.86
8 Cyclotrisiloxane 0.00 0.79
9 Sabinene 0.00 0.20
10 Octyl aldehyde 0.00 0.19
11 n-Octanol 0.00 0.10
12 n-Nonadecanoic 0.00 0.50
13 Hexasiloxane 0.00 0.18
14 Thiocynic acid 0.00 0.25
15 Dimethoxybenzylidene 0.00 0.20
16 γ-Gurjunene 0.00 0.32
17 δ-Guaiene 0.00 0.12
18 n-Decanal 0.00 0.16
19 β-Fenchyl alcohol 0.00 0.30
Table 1: Chemical compositions of essential oils obtained by steam distillation (SD) and microwave steam distillation (MSD) of orange peel.