Chemical Identification and Antioxidant Screening of Bufei Yishen Formula using an Offline DPPH Ultrahigh-Performance Liquid Chromatography Q-Extractive Orbitrap MS/MS

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="3">FRAP (mmol FeSO<sub>4</sub>/g)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">BYF</td><td class="align_center">0.51 ± 0.04</td><td class="align_center"> </td></tr><tr><td class="align_left"> </td><td class="align_center">DPPH IC<sub>50</sub> (<i>μ</i>g/mL)</td><td class="align_center">ABTS IC<sub>50</sub> (<i>μ</i>g/mL)</td></tr><tr><td class="align_left">BYF</td><td class="align_center">1136.36 ± 148.03</td><td class="align_center">602.3533 ± 81.26</td></tr><tr><td class="align_left">Rosmarinic acid</td><td class="align_center">25.72 ± 1.02</td><td class="align_center">19.00 ± 0.75</td></tr><tr><td class="align_left">Calycosin</td><td class="align_center">147.23 ± 25.12</td><td class="align_center">19.34 ± 5.05</td></tr><tr><td class="align_left">Hesperidin</td><td class="align_center">940.32 ± 65.02</td><td class="align_center">75.7 ± 0.62</td></tr><tr><td class="align_left">Naringenin</td><td class="align_center">—</td><td class="align_center">177.44 ± 16.94</td></tr><tr><td class="align_left">L-ascorbic acid</td><td class="align_center">24.58 ± 0.32</td><td class="align_center">26.10 ± 1.16</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>ABTS radical scavenging activity, DPPH radical scavenging activity, and ferric-reducing antioxidant power (FRAP) of BYF.</div>

International Journal of Analytical Chemistry

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Table 2

Table 2: Chemical Identification and Antioxidant Screening of Bufei Yishen Formula using an Offline DPPH Ultrahigh-Performance Liquid Chromatography Q-Extractive Orbitrap MS/MS 

Table 2 | Chemical Identification and Antioxidant Screening of Bufei Yishen Formula using an Offline DPPH Ultrahigh-Performance Liquid Chromatography Q-Extractive Orbitrap MS/MS 