Biotechnological Applications of Hemicellulosic Derived Sugars: State-of-the-Art - Sustainable Biotechnology: Sources of Renewable Energy - page 79

Ta b l e 4 Fermentation of various hemicellulosic hydrolysates for xylitol production by different microorganisms

Sugars in
hydrolysate
(g/L)

Lignocellulose
material

Detoxification
strategy

Xylitol Yield
(g/g) Hydrolysis conditions Microbial Strain References

1% (v/v) H 2 SO 4 , 120 ◦ C, 1 h,
Solid:liquid = 1:5

Sugarcane bagasse 30.0 Activated charcoal

+ Ion exchanger

C. tropicalis 0.65 [47]

126 ◦ C, 1% (v/v) H 2 SO 4,
90 min, Solid:liquid
= 1:10

Rice straw 20.7 Calcium

hydroxide +
Activated
charcoal

C. subtropicalis WF79 0.73 g [49]

140 ◦ C, 30 min, Solid:liquid
= 0.2:1

Wheat straw 0.26 g

sugar/g of
wheat
straw

Activated charcoal C. guilliermondii FTI

20037

0.90 [50]

1.25% (w/v) H 2 SO 4, 120 ◦ C,
17 min, Solid:liquid

Brewer's spent grain 70 Alkali treatment C. guilliermondii 0.78 [51]

= 1:8

2% (w/w) H 2 SO 4, 121 ◦ Cfor
15 min, Solid:liquid

Brewer's spent grain 26.3 Activated charcoal Debaryomyces

hansenii CCMI 941

0.50 [52]

= 1:8

5% H 2 SO 4, 140 ◦ Cfor
10 min, Total immersion
time in acid solution 24 h
and treated with CaO

Eucalyptus grandis 0 · 54.7 Calcium

hydroxide +
NaOH

C. guilliermondii FTI
20037

0.54 [53]

1% (v/v) H 2 SO 4 , 120 ◦ C, 1 h,
Solid:liquid

Corn fiber 30.0 Activated charcoal

+ ion exchanger

C. tropicalis 0.58 [47]

= 1:5

Mixed wood 3.5% H 2 SO 4, normal boiling

temperature, 11 h

58-78 Activated charcoal D. hansenii NRRL

Y-7426

0.73 [54]