@article{silva_gamarra_oliveira_cabral_2008,  title={Extraction of bixin from annatto seeds using supercritical carbon dioxide},  volume={25},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322008000200019},  DOI={10.1590/S0104-66322008000200019},  number={2},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Silva, G. F. and Gamarra, Felix M. C. and Oliveira, A. L. and Cabral, F. A.},  year={2008},  month={Apr},  pages={419–426} }