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coumarin
(redirected from Coumarins)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
coumarin /cou·ma·rin/ (koo´mah-rin)
1. a principle extracted from the tonka bean; it contains a factor, dicumarol, that inhibits hepatic synthesis of vitamin K–dependent coagulation factors, and a number of its derivatives are used as anticoagulants in treating disorders characterized by excessive clotting.
2. any of these derivatives or any synthetic compound with similar activity.

coumarin
[ko̅o̅′mərin]
a class of orally active anticoagulant agents with warfarin as its prototype.
indications It is prescribed for prophylaxis and treatment of thrombosis and embolism.
contraindications Known hypersensitivity to the drug prohibits its use. It is not prescribed to patients who are at risk for hemorrhage or who are pregnant.
adverse effects The most serious adverse reaction is hemorrhage. Many other drugs interact with this drug to increase or decrease its effect.

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.

coumarin,
n C9H6O, derived from a variety of sources, including tonka bean and sweet clover; may also be artificially manufactured.
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Coumarin.

coumarin
1. a principle extracted from the tonka bean, from which several anticoagulants are derived, that inhibits hepatic synthesis of vitamin K-dependent coagulation factors.
2. any of these derivatives.
3. see also dicoumarol.


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The authors say: "Overall, the present study has determined that sesquiterpene coumarins from F.
Cnidium seeds contain several vital compounds including coumarins, osthol, imperatorin, glucides and hepatoprotective sesquiterpenes.
Results Chemical characterization of aqueous plant extract by HPLC and MS analyses Three different compound classes in Pelargonium are known, Besides coumarins such as umckalin, scopoletin of fraxetin-derivatives, simple phenolic structures such as gallic acid and protocatechuic acids as well as flavonoid and catechin derivatives have been previously identified.
 
 
 
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