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. 2020 Oct 15;13:3613–3626. doi: 10.2147/IDR.S267590

Table 1.

Variables and Levels Used in RSM Central Composite Design for Optimization of Antifungal Production

Variables Level
−1 0 +1
Starch (g/L) 1 3 5
Ammonium chloride (g/L) 1 3 5
pH 6 7 8
Temperature (°C) 30 35 40
Agitation rate (rpm) 150 225 300