 @article{bispo_santos_granja_freitas_2021,  title={Ultrasonic Pretreatment of Cowpea Bean Pod with K<sub>3</sub>PO<sub>4</sub>: Effect on Bio-Oil Yield and Phenolic Compounds Content},  volume={32},  ISSN={0103-5053},  url={https://doi.org/10.21577/0103-5053.20210066},  DOI={10.21577/0103-5053.20210066},  number={9},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Bispo, Diego F. and Santos, Roberta M. and Granja, Honnara S. and Freitas, Lisiane S.},  year={2021},  month={Sep},  pages={1752–1761} }