01060naa a2200229 a 450000100080000000500110000800800410001902200140006010000250007424501390009926000090023852003830024765000170063070000200064770000190066770000200068670000210070670000180072770000250074570000190077077300410078920142792015-04-25       2010    bl uuuu     u00u1 u    #d  a0018-019X1 aSENA FILHO, J. G. de  aCytotoxic evaluation of pungencinebA new tropane alkaloid from the roots of erythroxylum pungens O. E. Schulz.h[electronic resource]  c2010  aThe genus Erythroxylum (Erythroxylaceae), which is distributed throughout the tropics [1], comprises ca. 240 species of tropical trees and shrubs [2]. Erythroxylum pungens O. E. Schulz (Erythroxylaceae), vulgarly known as _rompegibao _, is a tree found in the caatinga region of Brazil, specially in the Brazilian states of Bahia, Ceara´ , Maranha?o, Pernambuco, and Piau_ [3].  aErythroxylum1 aSILVA, M. S. da1 aTAVARES, J. F.1 aOLIVEIRA, S. L.1 aROMERO, M. A. V.1 aXAVIER, H. S.1 aBARBOSA-FILHO, J. M.1 aBRAZ-FILHO, R.  tHelvetica Chimica Actagv. 93, 2010.