Optimized Conditions for Flavonoid Extraction from Pomelo Peel Byproducts under Enzyme- and Ultrasound-Assisted Extraction Using Response Surface Methodology

Figure 1

Response surface plots (3D) showing the effects of different extraction parameters on extraction yield of flavonoids from Da Xanh pomelo peel (a) at varying liquid-to-solid ratio and enzyme concentration, (b) at varying liquid-to-solid ratio and incubation time, (c) at varying liquid-to-solid ratio and ultrasonic time, (d) at varying enzyme concentration and incubation time, (e) at varying enzyme concentration and ultrasonic time, and (f) at varying incubation time and ultrasonic time.

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