Cited by 164Biofuel production and bioconversionCatalysis for Biomass ConversionMicrobial Metabolic Engineering and Bioproduction

Lactic acid production from waste sugarcane bagasse derived cellulose

Adsul, Mukund G., Varma, Anjani J., Gokhale, Digambar V.·2007·Green Chem.

Abstract

Production of L(+)lactic acid from sugarcane bagasse cellulose, one of the abundant biomass materials available in India, was studied. The bagasse was chemically treated to obtain a purified bagasse cellulose sample, which is much more amenable to cellulase enzyme attack than bagasse itself. This sample, at high concentration (10%), was hydrolyzed by cellulase enzyme preparations (10 FPU g–1 cellulose) derived from mutants generated in our own laboratory. We obtained maximum hydrolysis (72%), yielding glucose and cellobiose as the main end products. Lactic acid was produced from this bagasse cellulose sample by simultaneous saccharification and fermentation (SSF) in a media containing a cellulase enzyme preparation derived from Penicillium janthinellum mutant EU1 and cellobiose utilizing Lactobacillus delbrueckii mutant Uc-3. A maximum lactic acid concentration of 67 g l–1 was produced from a concentration of 80 g l–1 of bagasse cellulose, the highest productivity and yield being 0.93 g l–1 h–1 and 0.83 g g–1, respectively. The mutant Uc-3 was found to utilize high concentrations of cellobiose (50 g l–1) and convert it into lactic acid in a homo-fermentative way. Considering that bagasse is a waste material available in abundance, we propose to valorize this biomass to produce cellulose and then sugars, which can be fermented to products such as ethanol and lactic acid.

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Crossref · 10.1039/b605839f

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  • Polylactic acid (PLA) is a lactic acid derivative produced from renewable resources such as wheat, straw, corn, and sorghum, and it is completely biodegradable.

    “Polylactic acid (PLA) is a kind of lactic acid (LA) derivative produced from renewable resources such as wheat, straw, corn, and sorghum, and it is completely biodegradable [4,5].”

    From Synthesis and Biological Application of Polylactic Acid (2020) · cites this paper as [4]

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Authors
Adsul, M. G., Varma, A. J., & Gokhale, D. V.
Affiliations
National Chemical Laboratory (IN)
Corresponding author
Gokhale, Digambar V.
Venue
Green Chem.
Published
2007
Volume
9
Issue
1
Pages
58-62
ISSN
  • 1463-9262 (ISSN-L)
  • 1463-9270
OpenAlex
W2099785711
Cited by
164
References
19
Citations by year
2026: 1 · 2025: 3 · 2024: 15 · 2023: 8 · 2022: 7 · 2021: 14 · 2020: 15 · 2019: 12 · 2018: 11 · 2017: 7 · 2016: 8 · 2015: 13 · 2014: 8 · 2013: 10 · 2012: 5
FWCI
3.07
Type
journal article
Language
en
Open access
closed
Locations
Green Chemistry (publishedVersion)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
  • Physical Sciences › Engineering › Biomedical Engineering › Catalysis for Biomass Conversion
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Microbial Metabolic Engineering and Bioproduction
Keywords
lactic acid production, sugarcane bagasse, bagasse cellulose, cellulase hydrolysis, simultaneous saccharification and fermentation, cellobiose utilization, Lactobacillus delbrueckii, Penicillium janthinellum, biomass valorization, glucose

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