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coumarin
cou·ma·rin C0682600 (ko͞o′mər-ĭn)n. A fragrant crystalline compound, C9H6O2, present in tonka beans and produced synthetically for use as a fragrance. Coumarin has been banned as a food additive in the United States because it can be toxic in large amounts.
[French coumarine, from coumarou, tonka bean tree, from Spanish coumarú, from Portuguese cumaru, from Tupí cumarú, commaru.]
cou′ma·ric (-mər-ĭk) adj.coumarin (ˈkuːmərɪn) or cumarinn (Elements & Compounds) a white vanilla-scented crystalline ester, used in perfumes and flavourings and as an anticoagulant. Formula: C9H6O2[C19: from French coumarine, from coumarou tonka-bean tree, from Spanish cumarú, from Tupi] ˈcoumaric, ˈcumaric, coumarilic adjcou•ma•rin (ˈku mə rɪn)
n. a fragrant crystalline compound, C9H6O2, used chiefly in soaps and perfumery. [1820–30; < French coumarine=coumar(ou) tonka-bean tree (< Sp cumarú < Portuguese < Tupi cumaru) + -ine -in1] TranslationsCoumarin
coumarin[′kü·mə·rən] (organic chemistry) C9H6O2 The anhydride of o-coumaric acid; a toxic, white, crystalline lactone found in many plants and made synthetically; used in making perfume and soap. Also known as 1,2-benzopyrone. Coumarin a lactone of o-coumarinic acid; colorless crystals with an odor of new-mown hay. Melting point, 70°C; boiling point, 291°C. It has the following structural formula: 
Coumarin is readily soluble in alcohol and ether and poorly soluble in water. It occurs in glucoside form in many plant species, for example, in sweet clover and sweet grass. Coumarin is industrially prepared from salicylic aldehyde and acetic anhydride. It serves as an odor-enhancing substance in the tobacco and perfume industries. coumarin
coumarin [koo´mah-rin] 1. a principle extracted from the tonka bean, from which several anticoagulants are derived that inhibit hepatic synthesis of vitamin K–dependent coagulation factors.2. any of these derivatives.cou·ma·rin (kū'mă-rin), 1. A general descriptive term applied to anticoagulants and other drugs derived from dicumarol, a component of the Tonka bean. 2. A fragrant neutral principle obtained from the Tonka bean, Dypterix odorata, and made synthetically from salicylic aldehyde; it is used to disguise unpleasant odors. Synonym(s): coumaric anhydride, cumarin [coumarou, native name of Tonka bean] coumarin (ko͞o′mər-ĭn)n. A fragrant crystalline compound, C9H6O2, present in tonka beans and produced synthetically for use as a fragrance. Coumarin has been banned as a food additive in the United States because it can be toxic in large amounts.
cou′ma·ric (-mər-ĭk) adj.cou·ma·rin (kū'mă-rin) Fragrant neutral principle obtained from the Tonka bean, Dypterix odorata, and also made synthetically from salicylic aldehyde; used to disguise unpleasant odors. cou·ma·rin (kū'mă-rin) A general descriptive term applied to anticoagulants and other drugs derived from dicumarol. |