Table 2: Physicochemical properties of cinnamon(Sangal., 2011 [1]).

ParameterLeaf oil Bark oil

Specific gravity (20°C) 1.030–1.050 1.010–1.030
Optical rotation (°) (20°C) 1°96′–0°40′Slightly laevorotatory
Refractive index (20°C) 1.529–1.537 1.573–1.591
Aldehyde content 4% 65–76%
Eugenol content 77.3–90.5% 4–10%
Solubility characteristics Soluble in 1.5 volumes of 70% alcohol Soluble in 2.0–3.0 volumes of 70% alcohol