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Table 1 Fractional compositions of constituents of the leaves flowers and stems oil of Callistemon citrinus

From: Terpene constituents of the aerial parts, phenolic content, antibacterial potential, free radical scavenging and antioxidant activity of Callistemon citrinus (Curtis) Skeels (Myrtaceae) from Eastern Cape Province of South Africa

Retention Time (Min) Constituents Oil Composition (%)
Leaves Flowers Stems
3.43 Isopentyl Acetate 0.17 - -
3.89 β-Thujene - 0.65 -
3.97 α-Pinene 20.02   31.03
3.98 1R-α-Pinene - 4.57 -
4.12 Camphene 0.63 3.81 -
4.25 Vinyl Amyl Carbinol - 0.14 -
4.29 β-Phellandrene - 0.37 -
4.34 β-Pinene 1.10 2.26 1.18
4.52 Heptane-3,4-dimethyl 0.81 - -
4.69 o-Cymene - 1.22 -
4.73 Limonene - - 3.97
4.77 Eucalyptol 48.98 8.11 56.00
4.97 γ-Terpinene 0.21 1.76 -
5.21 3-Carene 0.17 0.05 -
5.23 β-linalool 0.57 - 1.08
5.44 α-Fenchol 0.93 - -
5.67 Pinocarveol 5.75 - 0.51
5.73 (+)-2-Bornanone - 4.35 -
5.76 Camphenilanol 0.27 - -
5.85 Pinocarvone 2.81 - -
5.88 Borneol - 1.75 -
5.94 Terpinen-4-ol 0.79 0.77 0.77
6.03 α-Terpineol 8.01 0.22 3.69
6.09 Myrtenol 0.29 - -
6.22 Cis-Carveol 0.70 - -
6.23 (+)-Camphene - 0.26 -
6.30 Cis-p-metha-1(7), 8-diene-2-ol 0.53 - -
6.42 Geraniol 0.40 - -
6.75 (−)-Bornylacetate - 10.02 -
7.11 Trans −2-acetoxyl-1,8-cineole 0.18 - -
7.23 4-Carene 0.76 - -
7.42 Copaene - 0.34 -
7.77 Caryophyllene - 11.89 -
7.89 Aromadendrene - 3.80 -
7.93 α-Gurjinene - 0.70 -
7.98 Humulene - 1.05 -
8.03 Alloaromadendrene - 0.89 -
8.08 α-Elemene - 0.51 -
8.16 α-Farnesene - 0.42 -
8.25 Bicyclogermacrene - 5.71 -
8.36 (+)-δ-Cadinene - 2.10 -
8.52 Elemol - 0.58 -
8.65 (+)-Valencene - 0.37 -
8.76 Spathulenol 0.19 3.16 1.10
8.80 (−)-Globulol 0.39 - 0.65
8.82 (+)-Ledene - 2.33 -
8.86 γ-Gurjinene 0.20 - -
8.87 (+)-Viridiflorol - 0.49 -
8.91 Rosifoliol - 0.50 -
8.96 Benzoic acid, 3,4-dimethoxy, methyl Ester 1.72 - -
9.02 β-Eudesmol 0.26 - -
9.07 γ-Eudesmol - 5.21 -
9.11 Hinesol - 2.03 -
9.22 α-Eudesmol - 12.93 -
9.28 Cis-1(7), 8-p-mentha-diene-2-ol - 1.05 -
9.38 5-Amino-1-phenylpyrazole - 1.15 -
9.52 p-Cymene-3-propionic acid, α-methyl - 0.35 -
9.82 3-Carene, 4-isopropenyl - 0.34 -
9.93 Cis-Calemenene - 0.42 -
10.69 Geranyl-α-Terpinene - 0.28 -
  Total 96.84 98.92 99.98
  Hydrocarbons Monoterpene 22.89 15.24 36.18
  Oxygenated Monoterpenes 70.01 26.27 62.05
  Sesquiterpene Hydrocarbons 0.20 30.53 -
  Oxygenated Sesquiterpenes 0.84 24.90 1.75
  Others 2.88 1.98 -