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furocoumarin

   Also found in: Wikipedia 0.01 sec.
furocoumarin
photosensitizing substances which occur normally in some plants such as Ammi majus and Cymopterus watsonii, and in others only if they are infected with bacteria or fungi. The furocoumarins are endogenous photodynamic agents which have the capacity to cause photosensitive keratoconjunctivitis. See also phytoallexin.


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Dong quai extracts contain at least 6 coumarin derivatives including bergapten, osthol, oxy-peucedanin, and psoralen and two furocoumarin derivatives, sen-byak-angelicole and 7-demrthylsuberosin.
A clinical trial by Partonen (1998) demonstrated that administration of furocoumarin psoralen inhibited hepatic melatonin metabolism to treat seasonal affective disorders in humans in Finland.
Beer, beef and mushrooms contain carcinogens such as hydrazine, furocoumarin and ethyl carbamate.
 
 
 
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