Abstract：
:In order to use sugarcane bagasse as a substrate for lactic acid production, optimum conditions for acid hydrolysis of the bagasse were investigated. After lignin extraction, the conditions were varied in terms of hydrochloric (HCl) or sulfuric (H(2)SO(4)) concentration (0.5-5%, v/v), reaction time (1-5h) and incubation temperature (90-120 degrees C). The maximum catalytic efficiency (E) was 10.85 under the conditions of 0.5% of HCl at 100 degrees C for 5h, which the main components (in gl(-1)) in the hydrolysate were glucose, 1.50; xylose, 22.59; arabinose, 1.29; acetic acid, 0.15 and furfural, 1.19. To increase yield of lactic acid production from the hydrolysate by Lactococcus lactis IO-1, the hydrolysate was detoxified through amberlite and supplemented with 7 g l(-1) of xylose and 7 g l(-1) of yeast extract. The main products (in gl(-1)) of the fermentation were lactic acid, 10.85; acetic acid, 7.87; formic acid, 6.04 and ethanol, 5.24.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Laopaiboon P,Thani A,Leelavatcharamas V,Laopaiboon Ldoi
10.1016/j.biortech.2009.08.091subject
Has Abstractpub_date
2010-02-01 00:00:00pages
1036-43issue
3eissn
0960-8524issn
1873-2976pii
S0960-8524(09)01158-4journal_volume
101pub_type
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