Proximate analysis, physicochemical properties and chemical constituent’s characterization of Rosemarinus officinalis oil

Yıl 2019, Cilt: 6 Sayı: 2, 20 - 24, 28.06.2019

Abayneh Kassahun Gezu Feleke

Öz

Rosmarinus
officinalis
is a powerful herb belonging to the family Lamiaceae that originates from the
Mediterranean region, is a common medicinal and aromatic plant, grown in many
parts of the world including Ethiopia. The dried leaves
of Rosmarinus officinalis cultivated in Ankober woreda, Ethiopia were subjected
to hydro distillation for 3 h using a Clevenger-type apparatus. The
percent yield (1.23 %), Physico-Chemical properties such as refractive index
(1.463), relative density (0.899), optical rotation (-5^o),
Solubility, color and odour were determined. Proximate analysis of Rosmarinus
officinalis leaves such as total ash, water soluble ash, acid insoluble ash,
moisture content, pH, were found to be (7.64), (3.59), (1.71), (10.4) and(5.95)
respectively. The essential oil of Rosmarinus officinalis were analyzed using
GC-MS and the main components of the Rosmarinus officinalis oils are  α -pinene (50.83 %), 1, 8-cineole (24.43 %),
camphene (5.21 %), camphor (3.85 %), Caryophyllene (2.94 %)and β-pinene (2.07
%). 

Anahtar Kelimeler

Rosmarinus officinalis, Essential oil, GC/MS

Kaynakça

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