乳香树为橄榄科乳香树属，是一种矮小乔木。主产于索马里、也门、埃塞俄比亚

Mastic tree mastic tree is Olive Branch, is a dwarf tree. The main production in Somalia, Yemen, Ethiopia, the United States, Britain, France. Steam distillation secreted resin mastic tree, frankincense oil can be obtained, as a colorless to pale yellow liquid, the relative density of 0.865 - 0.917, a refractive index of 1.469 ~ 1.483.

The frankincense tree is an olive coriander tree genus, a kind of small tree. Mainly produced in Somalia, Yemen, Ethiopia, the United States, the United Kingdom, France. The resin secreted by distilled frankincense tree with water vapor can obtain the frankincense oil, which is colorless to pale yellow liquid, with a relative density of 0.865 to 0.917, and a refractive index of 1.469 to 1.483.

Frankincense belongs to the genus frankincense in olive family, which is a kind of dwarf tree. Mainly produced in Somalia, Yemen, Ethiopia, the United States, Britain, France. The oil is a colorless to yellowish liquid with relative density of 0.865-0.917 and refractive index of 1.469-1.483.<br>