The Role of Deterpination on the Essential Oil Composition of Citrus sinensis (L.) Osbeck

The fruits of Citrus sinensis (L.) from Rutacea family were collected from North of Iran and after pilling, the essential oil of the cover was obtained by the methods of cold-press and examined by GC and GC/MS. Twenty-one compounds were characterized representing about 98% of the oil. The yield of total oil was 1.5% (w/w). The oil was characterized by a high content of limonene which composed 94.3% of the oil. The other components were myrcene (1.5%), linalool (0.94%), decanal (0.45%), α-pinene (0.38%) and octanol (0.26%). After deterpination, the percentage of different componenets changed. The main constitute were limonene (92.2%), linalole (1.46%), myrcene (0.52%), a-pinene (0.12%) and decanal (0.73%).