@article{herek_oliveira_rubira_pinheiro_2006,  title={Impregnation of pet films and PHB granules with curcumin in supercritical CO2},  volume={23},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322006000200010},  DOI={10.1590/S0104-66322006000200010},  number={2},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Herek, L. C. S. and Oliveira, R. C. and Rubira, A. F. and Pinheiro, N.},  year={2006},  month={Apr},  pages={227–234} }