Table 1.

Proteolytic activity in culture supernatants over the course of the methanol and glucose fed‐batch processes.

	Proteolytic activity [µg ml−1]
	Glycerol	Methanol	Glucose
Glycerol batch	0.04 ± 0.009
Glycerol fed‐batch	0.05 ± 0.01
1 h fed‐batch		0.04 ± 0.003	0.05 ± 0.002
27 h fed‐batch		0.07 ± 0.005	0.08 ± 0.007
67 h fed‐batch		0.07 ± 0.004	0.10 ± 0.005