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Etymologie

Was (wer) ist cumarin$18081$ - definition

CHEMICAL COMPOUND

Coumarins; Coumarine; Pyranocoumarins; Coumarinoids; Coumarinoid; 1,2-benzopyrone; Chroman ring; Cumarin

Coumarin

·noun 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.

coumarin

['ku:m?r?n]

¦ noun Chemistry a vanilla-scented organic compound found in many plants.

Origin

C19: from Fr. coumarine, from coumarou, via Port. and Sp. from Tupi cumaru 'tonka bean'.

Aesculin

·noun ·same·as Esculin.

Wikipedia

Coumarin

Coumarin () or 2H-chromen-2-one is an aromatic organic chemical compound with formula C₉H₆O₂. Its molecule can be described as a benzene molecule with two adjacent hydrogen atoms replaced by a lactone-like chain −(CH)=(CH)−(C=O)−O−, forming a second six-membered heterocycle that shares two carbons with the benzene ring. It can be placed in the benzopyrone chemical class and considered as a lactone.

Coumarin is a colorless crystalline solid with a sweet odor resembling the scent of vanilla and a bitter taste. It is found in many plants, where it may serve as a chemical defense against predators. By inhibiting synthesis of vitamin K, a related compound is used as the prescription drug warfarin – an anticoagulant – to inhibit formation of blood clots, deep vein thrombosis, and pulmonary embolism.

https://en.wikipedia.org/wiki/Coumarin