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coumarin

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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,
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 ability of Cd to induce the murine CYP2A5, which is an ortholog of human cytochrome P450 2A6 (CYP2A6), is consistent with results obtained from a study in healthy human subjects, which fotmda positive correlation between Cd burden and accelerated rate of hepatic coumarin metabolism known to be mediated exdusively by CYP2A6 (Satarug et al.
Another study examined coumarin 7-hydroxylation (the enzymatic conversion of plant substances into products that are soluble and can be excreted by the body) in subjects consuming a raw foods vegan diet matched with omnivorous controls, and concluded that plant substances had little effect on coumarin hydroxylase activity in subjects consuming a raw foods diet.
The Food and Drug Administration prohibits the use of coumarin in food because animal tests show it damages the liver and other organs when ingested.
 
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