@article{li_zhang_xue_cui_hou_li_chen_2016,  title={Optimization of ultrasound-assisted extraction of phenolic compounds, antioxidants and rosmarinic acid from perilla leaves using response surface methodology},  volume={36},  ISSN={0101-2061},  url={https://doi.org/10.1590/1678-457X.13516},  DOI={10.1590/1678-457X.13516},  number={4},  journal={Food Science and Technology},  publisher={Sociedade Brasileira de Ciência e Tecnologia de Alimentos},  author={LI, Hui-Zhen and ZHANG, Zhi-Jun and XUE, Jiao and CUI, Li-Xia and HOU, Tian-yu and LI, Xiao-Jun and CHEN, Tie},  year={2016},  month={Oct},  pages={686–693} }