Cinnamic Acid in Frankincense Sap as a Criterion for Determining the Best Mother Plant for Vegetative Propagation of Styrax benzoin (Sumatra Benzoin) in Sumatra, Indonesia
Table 2
Physical and chemical properties of cinnamic acid isolated from frankincense sap samples.
Description of frankincense sap
Cinnamic acid
Purity (%)
Physical properties
Chemical properties
Crystal gum, pure white color, has a fragrant smell.
86–93
Amorphous crystal, semisolid soft texture (balsamate), yellowish white color, melting point of 134°C, boiling point of 300°C.
Soluble in organic solvents (chloroform, ether, ethanol/methanol) and hot distilled water. It has a distinctive smell.