@article{rotta_silva_maldaner_visentainer_2018,  title={Ultrasound-Assisted Saponification Coupled with Gas Chromatography-Flame Ionization Detection for the Determination of Phytosterols from Passion Fruit Seed Oil},  volume={29},  ISSN={0103-5053},  url={https://doi.org/10.21577/0103-5053.20170170},  DOI={10.21577/0103-5053.20170170},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Rotta, Eliza M. and Silva, Michele C. da and Maldaner, Liane and Visentainer, Jesuí V.},  year={2018},  month={Mar},  pages={579–586} }