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 various solvents at 70°C for 160 min.</table>

The Scientific World Journal

Figure 7: Evaluation and Optimization of Downstream Process Parameters for Extraction of Betulinic Acid from the Bark of <i>Ziziphus jujubae</i> L. 