The Efficacy Study on Si Ni San Freeze-Dried Powder on Sleep Phase in Insomniac and Normal Rats

<table>Contrast analysis of the HPLC chromatogram of Si Ni San (freeze-dried powder) and mixed standard substance a: peoniflorin, b: naringin, c: aurantiamarin, d: ammonium glycyrrhizinate salt, e: saikoside A, f: saikoside D, and g: enoxolone.</table>

Evidence-Based Complementary and Alternative Medicine

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Figure 2

Figure 2: The Efficacy Study on Si Ni San Freeze-Dried Powder on Sleep Phase in Insomniac and Normal Rats 