@article{guerra_sepúlveda_2021,  title={Saponin production from <i>Quillaja</i> genus species. An insight into its applications and biology},  volume={78},  ISSN={0103-9016},  url={https://doi.org/10.1590/1678-992X-2019-0305},  DOI={10.1590/1678-992X-2019-0305},  number={5},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Guerra, Fernando and Sepúlveda, Sebastián},  year={2021},  pages={e20190305} }