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. 2018 Apr 27;23(5):1029. doi: 10.3390/molecules23051029

Figure 3.

Figure 3

Figure 3

Three-dimensional contour plots showing the experimental factors and their mutual interactions: (A) effect of ultrasound-assisted extraction (UAE) power and EtOH% on the yield of flavonoids; (B) effect of UAE power and the amount of cellulase on the yield of flavonoids, and (C) effect of EtOH% and the amount of cellulase on the yield of flavonoids. Two-dimensional contour plots showing the experimental factors and their mutual interactions: (a) effect of ultrasound-assisted extraction (UAE) power and EtOH% on the yield of flavonoids; (b) effect of UAE power and the amount of cellulase on the yield of flavonoids, and (c) effect of EtOH% and the amount of cellulase on the yield of flavonoids.