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Purification and characterization of beta-lapachone and stability study of the crystals under different storing conditions

The beta-lapachone is a product obtained from the Ipê Roxo tree [Tabebuia avellandae], which has proved its excellent antineoplasic potential acting through a particular mechanism of apoptosis against various cancer types. This study aims at determining the identity card of beta-lapachone by means of physico-chemical and pharmaco-technical characterization. A purifying process has been performed, as well as the isolation of a contaminant, its isomer alpha-lapachone. A stability study was also performed, determining the ideal storing conditions for beta-lapachone, essential for the ongoing pre-formulation studies for obtaining the different classic pharmaceutical forms and modified release systems.

beta-lapachone; characterization and stability study


Sociedade Brasileira de Química Instituto de Química, Universidade Estadual de Campinas (Unicamp), CP6154, 13083-0970 - Campinas - SP - Brazil
E-mail: quimicanova@sbq.org.br