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Table 1 Variables levels used in the full-factorial design for biosurfactant production by Serratia marcescens UCP 1549

From: Sustainable biosurfactant produced by Serratia marcescens UCP 1549 and its suitability for agricultural and marine bioremediation applications

Variables Levels
Low (−1) Central (0) High (+1)
Lactose (% m/v) 0.2 0.6 1.0
Cassava flour wastewater (% v/v) 1.0 3.5 6.0
Corn oil (% v/v) 5 6.25 7.5