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Table 2 Fed-batch production of Adh with IPTG and concentrated whey permeate/glycerol mixture. The results were calculated from samples at 18 hours after induction.

From: Cheese whey-induced high-cell-density production of recombinant proteins in Escherichia coli

Inducer Carbon source Digestion of carbon source Cell wet weight Yield
0.5 mM IPTG Glucose 100% 200 g l-1 7000 U g-1
Lactose (whey) Glycerol /lactose (whey) 100% / 35% 203 g l-1 7200 U g-1