quebracho

quebracho (ke-brah´cho)

The dried bark of a genus of trees, Aspidosperma quebrachoblanco (family Apocynaceae); has been used as a respiratory stimulant in emphysema, dyspnea, and chronic bronchitis; the two chief alkaloids are aspidospermine and quebrachine. [Port. quebrahacho, fr. quebrar, to break, + hacha, axe, referring to the hardness of the wood]

 

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