Table 1.

Hydrogen production (mmol/L) for different pretreatment methods across different fermentation temperature conditions.

Pretreatment Methods	Hydrogen Production (mmol/L) across Different Temperature Set-up
	55 °C	37 °C	30 °C
Heat	4.57 ± 0.53	12.76 ± 0.50	15.18 ± 0.26
Acid	1.94 ± 0.22	4.40 ± 0.51	7.05 ± 0.83
Alkali	4.22 ± 0.49	4.67 ± 0.59	10.02 ± 0.22
Microwave	3.98 ± 0.46	4.22 ± 0.49	6.09 ± 0.71
Chloroform	1.62 ± 0.91	2.71 ± 0.31	9.91 ± 0.68