Research Article

Plackett–Burman Combined with Box–Behnken to Optimize the Medium of Fermented Tremella Polysaccharide and Compare the Characteristics before and after Optimization

Figure 3

(a∼c) Contour plots of yield of FTP showing interactions between potato extract and glucose (a), potato extract and peptone (b), and glucose and peptone (c). (d∼f) The interaction effect of variables on reducing the glucose utilization ratio.
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