Research Article

Optimization of Ultrasound-Assisted Extraction Followed by Macroporous Resin Purification for Maximal Recovery of Functional Components and Removal of Toxic Components from Ginkgo biloba Leaves

Figure 4

Three-dimensional contour plots showing the experimental factors and their mutual interactions: (a) effect of HAc% and EtOH% on the yield of flavonoids, (b) effect of HAc% and UAE power on the yield of flavonoids, and (c) effect of EtOH% and UAE power on the yield of flavonoids.
(a)
(b)
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