@article{pires_taketa_gosmann_schenkel_2002,  title={Saponins and Sapogenins from Brachiaria decumbens Stapf},  volume={13},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532002000200002},  DOI={10.1590/S0103-50532002000200002},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Pires, Viviane S. and Taketa, Alexandre T. C. and Gosmann, Grace and Schenkel, Eloir P.},  year={2002},  pages={135–139} }