cou·ma·rin /ˈkumərən/
香豆精
cou·ma·rin /ˈkumərən/ 名詞
香豆素,香豆精,氧雜奈鄰酮
Cou·ma·rin n. Chem. The concrete essence of the tonka bean, the fruit of Dipterix (formerly Coumarouna) odorata and consisting essentially of coumarin proper, which is a white crystalline substance, C9H6O2, of vanilla-like odor, regarded as an anhydride of coumaric acid, and used in flavoring. Coumarin in also made artificially.
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