A bitter, aromatic gum resin extracted from an Asiatic plant(Ferula galbaniflua)or any of several related plants and used in incense and medicinally as a counterirritant.

• 白松香一种带苦味的、芳香的树脂胶（绿黄汁阿魏阿魏属），从一种亚洲植物或者相关的植物中提炼出并用于制香和作为药用对抗刺激素