Deep Eutectic Solvents (DESs)-Ultrasonic-Assisted Extraction of Paeoniflorin and Paeonol from Moutan Cortex

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Factors</td><td class="align_center" colspan="3">Level</td></tr><tr class="thead"><td class="align_center">-1</td><td class="align_center">0</td><td class="align_center">1</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Ultrasonic power/W</td><td class="align_center">200</td><td class="align_center">300</td><td class="align_center">400</td></tr><tr><td class="align_left">Ultrasonic time/min</td><td class="align_center">20</td><td class="align_center">30</td><td class="align_center">40</td></tr><tr><td class="align_left">Ultrasonic temperature/°C</td><td class="align_center">40</td><td class="align_center">50</td><td class="align_center">60</td></tr><tr><td class="align_left">Vortex time/min</td><td class="align_center">3</td><td class="align_center">5</td><td class="align_center">7</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Response surface test factors and horizontal design.</div>

Journal of Chemistry

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Table 4

Table 4: Deep Eutectic Solvents (DESs)-Ultrasonic-Assisted Extraction of Paeoniflorin and Paeonol from Moutan Cortex 