Spectrum-Effect Relationship between HPLC Fingerprints and Antioxidant Activity of Yangyin Tongnao Prescription

<div>The HPLC fingerprint of mixed reference solution. Vanillic acid (<i>P5</i>), puerarin (<i>P7</i>), ferulic acid (<i>P13</i>), daidzein (<i>P21</i>), and formononetin (<i>P23</i>).</div>

Journal of Analytical Methods in Chemistry

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Figure 3

Figure 3: Spectrum-Effect Relationship between HPLC Fingerprints and Antioxidant Activity of Yangyin Tongnao Prescription 