A Green Antioxidant Activity-Integrated Dual-Standard Method for Rapid Evaluation of the Quality of Traditional Chinese Medicine Xuebijing Injection by On-Line DPPH-CE-DAD

<div>Capillary electropherograms of standard mixture of twelve compounds (a) and Xuebijing injection (b). Peaks: 1 = oxypaeoniflorin, 2 = hydroxysafflor yellow A, 3 = protocatechuic aldehyde, 4 = peoniflorin, 5 = rosmarinic acid, 6 = salvianolic acid B, 7 = sodium danshensu, 8 = caffeic acid, 9 = ferulic acid, 10 = senkyunolide I, 11 = rutin, 12 = isoquercitrin. Experimental conditions: 50 <i>μ</i>m i.d. × 375 <i>μ</i>m o.d. × 60.5 cm length (52 cm effective length), uncoated; 20 mM NaH<sub>2</sub>PO<sub>4</sub> (pH 5.5), 100 mM SDS, 10 mM <i>β</i>-CD, 5% (v/v) ACN, 25 kV; temperature, 22°C; detection wavelength, 280 nm; pressure injection, 50 mbar for 8 s.</div>

Evidence-Based Complementary and Alternative Medicine

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Figure 5: A Green Antioxidant Activity-Integrated Dual-Standard Method for Rapid Evaluation of the Quality of Traditional Chinese Medicine Xuebijing Injection by On-Line DPPH-CE-DAD 

Figure 5 | A Green Antioxidant Activity-Integrated Dual-Standard Method for Rapid Evaluation of the Quality of Traditional Chinese Medicine Xuebijing Injection by On-Line DPPH-CE-DAD 