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. 2016 Nov 30;2016:9273078. doi: 10.1155/2016/9273078

Table 1.

Components of essential oils of dried leaves of R. officinalis (REO) and rhizomes of C. longa (CEO) and Z. officinale (GEO) from Southern Brazil, identified by GC/MS.

Components Percentage (%)
REO CEO GEO
Monoterpenes
α-Pinene 12.4 0.6 6.0
Camphene 3.7 16.4
β-Pinene 1.8 0.7
p-Cymene 2.1 0.8 0.1
β-Myrcene 0.7
1.8-Cineole 52.2 0.7 8.9
3-Carene 0.2
Myrcene 1.9
α-Terpinene 0.4
trans-β-Ocimene 0.1
γ-Terpinene 0.4
cis-Ocimene 0.2
Terpinolene 0.4
6-Camphenol 0.1
Oxygenated monoterpenes
Vinyl propionate 1.7
Tricyclene 0.4
Sabinene 0.1
Camphor 15.2 0.1
α-Phellandrene 0.1 0.7
β-Phellandrene 8.8
α-Terpineol 2.3 0.2 0.6
4-Terpineol 0.5
γ-Curcumene 0.5
α-Turmerone 23.5
β-Turmerone 22.7
Limonene 3.5
Linalool 0.4 0.6
Borneol 3.0 0.9
Isoborneol 0.1
Citronellol 0.5
Neral 4.6
Geraniol 2.4
Sesquiterpenes
β-Sesquiphellandrene 2.4
β-Caryophyllene 0.4
ar-Turmerol 1.5
ar-Turmerone 33.2
ar-Curcumene 2.6
α-Cadinol 1.3
(6R,7R)-Bisabolone 3.1
(E)-α-Atlantone 1.4
geranial 9.9
α-zingiberene 1.0

Source: Bomfim et al. [10], Ferreira et al. [11] and Nerilo et al. [12]. Majority components of essential oils.