It contains about 8% terpenes; about 65% of a resin which contains sulfur; about 20% gum; and a very small quantity of the colorless crystalline substance umbelliferone.
Mengandung sekitar 8% terpena; sekitar 65% resin yang mengandung belerang; sekitar 20% gum; dan sejumlah sangat kecil bahan kristalin tak berwarna umbelliferone.