TY - JOUR T1 - Cu, Fe, Mn and Zn distribution in protein fractions of Brazil-nut, cupuassu seed and coconut pulp by solid-liquid extraction and electrothermal atomic absorption spectrometry JO - Journal of the Brazilian Chemical Society A1 - Naozuka, Juliana A1 - Oliveira, Pedro V. SN - 0103-5053 UL - 10.1590/S0103-50532007000800015 VL - 18 Y1 - 2007 PB - Brasil ER -