Table 3.

Final product yield (tube fermentation). Yields labelled with asterisk indicate values obtained from S2‐supplemented cultures that are significantly different from Avicel®‐supplemented cultures (* p‐value<0.05).

C. thermocellum	Substr.	Yield (g/g)
		Lactate	Acetate	Formate	Pyruvate
LL1111	Avicel®	0.426±0.026	0.161±0.015	0.015±0.001	0.10±0.007
	S2	0.274±0.023*	0.116±0.010	‐*	0.115±0.004
LL1630	Avicel®	0.379±0.003	0.233±0.035	0.031±0.005	0.112±0.065
	S2	0.337±0.028	0.220±0.014	‐*	0.179±0.022