Biotechnological Applications of Hemicellulosic Derived Sugars: State-of-the-Art - Sustainable Biotechnology: Sources of Renewable Energy - page 76

Ta b l e 3 Fermentation of various hemicellulosic hydrolysates for ethanol production by different microorganisms

Lignocellulose
material

Ethanol
yield (g/g) Hydrolysis conditions Released sugars (g/L) Detoxification Microbial strains References

(2.5% (v/v) HCl, 140 ◦ C,
30 min), # Solid:liquid
=

Sugarcane
bagasse

30.29 Overliming + ion

exchanger

C. shehatae
NCIM3501

0.48 [24]

1:10

Rice straw Presoaking with 0.5% of

H 2 SO 4 for 18 h
followed by steam
heating at 15 bar
pressure for 10 min,
Solid:liquid

228 g sugar/Kg of
substrate

Overliming Mucor indicus 0.24 [35]

600 g:4
Lof0.5%H 2 SO 4

=

(90 ◦ C, 1.85% (w/v)
H 2 SO 4, 18 h),
Solid:liquid

Wheat straw 17.10 Overliming P. stipitis NRRL

Y-7124

0.41 ± 0.01 [36]

= 1:20

(0.3 M H 2 SO 4 ,98 ◦ C,
1 h), Solid:liquid

Corn cob 45.0 Overliming +ZSM-39

shaking

P. stipitis 0.44 [37]

=

1:12

Eicchornia
crassipies

(1% (v/v) H 2 SO 4, 7h),
Solid:liquid

67.5 Overliming + sodium

sulfite

P. stipitis NRRL
Y-7124

0.35 [38]

= 1:8

Pine Sulfur dioxide (30 min,

160 ◦ C + (225 ◦ C, 30 s,
HCI equivalent to 1%
of dry weight),
Solid:liquid = 1:3

72 Overliming + sodium

sulfite

E. coli K011 0.43 [39]