Cellulosic ethanol production via consolidated bioprocessing by a novel thermophilic anaerobic bacterium isolated from a Himalayan hot spring

Table 1 Comparison of different Clostridium strains as reported in the literature for ethanol production

Clostridium strain	Substrate (g L⁻¹)	Ethanol (mM)	Acetate (mM)	Lactate (mM)	Time (h)	Reference
ATCC 27405	Avicel 5	18.0	13.8	ND	–	[55]
ATCC 27405	Avicel 10.3	37.0	46.0	6.0	50	[56]
DSM 1313	Avicel 5	15.2	18.3	0.6	–	[57]
DSM 1313	Avicel 19.5	28.7	45.6	27.6	100	[58]
S14	MCC type 20 10	41.2	61.9	8.2	72	[14]
CS7	Milled Whatman No. 1 filter paper 3	17.1	5.3	ND	20	[26]
CS8	Milled Whatman No. 1 filter paper 3	18.0	7.2	ND	20	[26]
JN4	Avicel 5	6.2	7.6	13	60	[59]
YS	Avicel 20	36.0	12.0	ND	–	[27]
ATCC 35609	MN300 8	31.2	22.5	ND	120	[60]
JW20	Avicel 10	25.4	13.0	9.4	16	[28]
YM4	Avicel 10	44.7	26.5	20.4	96	[61]
BC1	Whatman No. 1 filter paper 10	10	2	ND	144	[40]
DBT-IOC-C19	Avicel 10	32.55	18.67	5.14	96	This study

ND not detected, metabolite yield reported as g L⁻¹ converted to millimolar using a molecular weight of 46.07 g mol⁻¹ for ethanol, 60.05 g mol⁻¹ for acetate, and 90.08 g mol⁻¹ for lactate

ISSN: 2731-3654