Evaluation and Optimization of Downstream Process Parameters for Extraction of Betulinic Acid from the Bark of <i>Ziziphus jujubae</i> L.

<table>The effect of stirring extraction with methanol at varying pH values.</table>

The Scientific World Journal

Figure 9: Evaluation and Optimization of Downstream Process Parameters for Extraction of Betulinic Acid from the Bark of <i>Ziziphus jujubae</i> L. 