@article{naozuka_oliveira_2007,  title={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},  volume={18},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532007000800015},  DOI={10.1590/S0103-50532007000800015},  number={8},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Naozuka, Juliana and Oliveira, Pedro V.},  year={2007},  pages={1547–1553} }