cumarin$18081$ - definitie. Wat is cumarin$18081$
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Wat (wie) is cumarin$18081$ - definitie

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         
  • UV visible spectrum of aesculin with a maximum of absorbance at 346 nm
·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.