The genus Cinnamomum

Table 15.9 Compounds identified in the essential oil of C. osmeophleum
Compound % Occurrence
-Pinene 0.53
-Pinene 0.14
Benzaldehyde 10.32
Camphene 0.27
p-Cymene 0.24
Limonene 0.21
3-Phenyl propanal 5.38
Estragole (methyl chavicol) 1.52
Eugenol 1.18
Terpinen-4-ol 0.33
trans-Cinnamaldehyde 76.96
Unidentified compounds 2.92
Source: Hussain et al., 1986.
Table 15.10 Composition of the essential oil of C. porrectum
Other Useful Species of Cinnamomum 343
Compound Content (%) Compound Content (%)
-Thujene 0.06 Geranyl formate 0.09
-Pinene 2.42 -Copaene 0.12
Camphene 1.26 trans-Methylcinnamate 0.02
Sabinene 0.21 n-Dodecane 0.20
-Pinene 1.38 -Elemene 0.12
Myrcene 0.38 Caryophyllene 4.67
-Phellandrene 0.32 -Guaiene 0.04
3 -Carene 0.01 -Guaiene 0.06
p-Cymene 0.21 -Selinene 0.97
-Limonene 1.57 Azulene 0.38
1,8-Cineole 0.82 -Cubebene 0.30
-Phellandrene 0.10 n-Pentadecane 0.05
cis-Linalool oxide 0.07 -Gurjunene 0.04
Linalool 8.43 epi--Santalene 0.46
Epicamphor 0.26 Aremophilene 0.05
Camphor 1.10 Alloaromadendrene 0.03
Borneol 1.07 -Elemene 0.26
-Citral (neral) 28.28 trans -Farnasene 0.04
Geraniol 0.25 (z)--Farnasene 0.30
Nerol 0.47 -Elemene 0.03
-Citral/geranial 35.83 -Bisaboiol 0.41
Methyl citronellate 0.12 Cedrol 0.16
n-Undeceane 0.18 Methyl geranate 0.2
Safrole 0.02
Source: Liang-Fang et al., 1984.
64,500 daltons, and a sugar content of 2.5%. It consists of an A-chain (MW 30,500) and
a B-chain (MW 33,500) linked by the disulphide bond. The terminal sugar of glycan in
the B-chain is a mannose residue. Porrectin is a potent inhibitor of eukaryotic protein
synthesis in the rabbit reticulocyte lysate system. The molecular mechanism of action
of porrectin on rat liver ribosomes was shown to be specific for RNA-N-glycosidase.