UPLC-ESI-MS/MS Analysis and Evaluation of Antioxidant Activity of Total Flavonoid Extract from <i>Paeonia lactiflora</i> Seed Peel and Optimization by Response Surface Methodology (RSM)

<div>Effects of three independent variables on the total flavonoid content (TFC): (a) ethanol concentration; (b) liquid-solid ratio; (c) ultrasonic time.</div>

BioMed Research International

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Figure 1

Figure 1: UPLC-ESI-MS/MS Analysis and Evaluation of Antioxidant Activity of Total Flavonoid Extract from <i>Paeonia lactiflora</i> Seed Peel and Optimization by Response Surface Methodology (RSM) 

Figure 1 | UPLC-ESI-MS/MS Analysis and Evaluation of Antioxidant Activity of Total Flavonoid Extract from Paeonia lactiflora Seed Peel and Optimization by Response Surface Methodology (RSM) 